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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 17:45:29 +0000
commit83506c85f8d4332b3edfdc8f1fd07aa691415350 (patch)
tree316b9630e093bb3b80e5d6e1c304151b5597901e /drivers
parentAdding upstream version 5.10.209. (diff)
downloadlinux-upstream/5.10.216.tar.xz
linux-upstream/5.10.216.zip
Adding upstream version 5.10.216.upstream/5.10.216
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/accessibility/speakup/main.c2
-rw-r--r--drivers/accessibility/speakup/synth.c4
-rw-r--r--drivers/acpi/acpi_extlog.c5
-rw-r--r--drivers/acpi/acpi_video.c9
-rw-r--r--drivers/acpi/acpica/dbnames.c8
-rw-r--r--drivers/acpi/apei/ghes.c29
-rw-r--r--drivers/acpi/processor_idle.c2
-rw-r--r--drivers/acpi/scan.c8
-rw-r--r--drivers/acpi/sleep.c12
-rw-r--r--drivers/android/binder.c14
-rw-r--r--drivers/ata/ahci.c29
-rw-r--r--drivers/ata/ahci.h1
-rw-r--r--drivers/ata/libata-eh.c2
-rw-r--r--drivers/ata/sata_mv.c63
-rw-r--r--drivers/ata/sata_sx4.c6
-rw-r--r--drivers/atm/idt77252.c2
-rw-r--r--drivers/base/core.c26
-rw-r--r--drivers/base/cpu.c8
-rw-r--r--drivers/base/power/domain.c2
-rw-r--r--drivers/base/power/main.c251
-rw-r--r--drivers/base/power/runtime.c22
-rw-r--r--drivers/base/power/wakeirq.c4
-rw-r--r--drivers/base/regmap/internal.h4
-rw-r--r--drivers/base/regmap/regmap.c79
-rw-r--r--drivers/block/aoe/aoecmd.c12
-rw-r--r--drivers/block/aoe/aoenet.c1
-rw-r--r--drivers/block/ataflop.c56
-rw-r--r--drivers/block/nbd.c6
-rw-r--r--drivers/block/rbd.c22
-rw-r--r--drivers/block/rnbd/rnbd-srv.c19
-rw-r--r--drivers/block/virtio_blk.c7
-rw-r--r--drivers/bluetooth/btintel.c2
-rw-r--r--drivers/bluetooth/btusb.c2
-rw-r--r--drivers/bluetooth/hci_qca.c1
-rw-r--r--drivers/bus/Kconfig5
-rw-r--r--drivers/bus/mhi/host/main.c4
-rw-r--r--drivers/bus/moxtet.c7
-rw-r--r--drivers/char/hw_random/core.c34
-rw-r--r--drivers/clk/clk.c157
-rw-r--r--drivers/clk/hisilicon/clk-hi3519.c2
-rw-r--r--drivers/clk/hisilicon/clk-hi3620.c4
-rw-r--r--drivers/clk/mmp/clk-of-pxa168.c3
-rw-r--r--drivers/clk/qcom/dispcc-sdm845.c2
-rw-r--r--drivers/clk/qcom/gcc-ipq6018.c2
-rw-r--r--drivers/clk/qcom/gcc-ipq8074.c2
-rw-r--r--drivers/clk/qcom/gcc-sdm845.c1
-rw-r--r--drivers/clk/qcom/mmcc-apq8084.c2
-rw-r--r--drivers/clk/qcom/mmcc-msm8974.c2
-rw-r--r--drivers/clk/qcom/reset.c27
-rw-r--r--drivers/cpufreq/brcmstb-avs-cpufreq.c5
-rw-r--r--drivers/cpufreq/cpufreq-dt.c2
-rw-r--r--drivers/crypto/ccp/sev-dev.c10
-rw-r--r--drivers/crypto/qat/qat_common/adf_aer.c23
-rw-r--r--drivers/crypto/stm32/stm32-crc32.c2
-rw-r--r--drivers/crypto/virtio/virtio_crypto_akcipher_algs.c5
-rw-r--r--drivers/crypto/xilinx/zynqmp-aes-gcm.c3
-rw-r--r--drivers/devfreq/devfreq.c83
-rw-r--r--drivers/dma/Kconfig14
-rw-r--r--drivers/dma/dmaengine.c3
-rw-r--r--drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c10
-rw-r--r--drivers/dma/fsl-qdma.c50
-rw-r--r--drivers/dma/idma64.c4
-rw-r--r--drivers/dma/owl-dma.c4
-rw-r--r--drivers/dma/sh/shdma.h2
-rw-r--r--drivers/dma/ti/edma.c10
-rw-r--r--drivers/dma/ti/k3-udma.c10
-rw-r--r--drivers/dma/xilinx/xilinx_dpdma.c13
-rw-r--r--drivers/firewire/core-card.c32
-rw-r--r--drivers/firewire/core-device.c7
-rw-r--r--drivers/firmware/efi/arm-runtime.c2
-rw-r--r--drivers/firmware/efi/capsule-loader.c2
-rw-r--r--drivers/firmware/efi/efi-init.c19
-rw-r--r--drivers/firmware/efi/riscv-runtime.c2
-rw-r--r--drivers/firmware/efi/vars.c17
-rw-r--r--drivers/gpio/gpio-74x164.c4
-rw-r--r--drivers/gpio/gpio-eic-sprd.c32
-rw-r--r--drivers/gpio/gpiolib-acpi.c14
-rw-r--r--drivers/gpio/gpiolib.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c72
-rw-r--r--drivers/gpu/drm/amd/amdgpu/atom.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c26
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_chardev.c4
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c1
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c2
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c7
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c12
-rw-r--r--drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c3
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_stats.h4
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c2
-rw-r--r--drivers/gpu/drm/bridge/nxp-ptn3460.c6
-rw-r--r--drivers/gpu/drm/drm_client_modeset.c3
-rw-r--r--drivers/gpu/drm/drm_file.c2
-rw-r--r--drivers/gpu/drm/drm_framebuffer.c2
-rw-r--r--drivers/gpu/drm/drm_mipi_dsi.c17
-rw-r--r--drivers/gpu/drm/drm_panel.c17
-rw-r--r--drivers/gpu/drm/drm_plane.c1
-rw-r--r--drivers/gpu/drm/drm_syncobj.c16
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_drv.c2
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_hwdb.c9
-rw-r--r--drivers/gpu/drm/exynos/exynos5433_drm_decon.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c11
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fimd.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_gsc.c2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_vidi.c4
-rw-r--r--drivers/gpu/drm/exynos/exynos_hdmi.c4
-rw-r--r--drivers/gpu/drm/i915/gt/intel_engine_pm.c3
-rw-r--r--drivers/gpu/drm/i915/gt/intel_lrc.c3
-rw-r--r--drivers/gpu/drm/imx/parallel-display.c4
-rw-r--r--drivers/gpu/drm/lima/lima_gem.c23
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_crtc.c12
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dsi.c10
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c5
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c6
-rw-r--r--drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h1
-rw-r--r--drivers/gpu/drm/msm/dp/dp_link.c12
-rw-r--r--drivers/gpu/drm/msm/dp/dp_reg.h3
-rw-r--r--drivers/gpu/drm/msm/dsi/phy/dsi_phy.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c13
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_vmm.c3
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c8
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c7
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c7
-rw-r--r--drivers/gpu/drm/panel/panel-simple.c2
-rw-r--r--drivers/gpu/drm/panel/panel-visionox-rm69299.c2
-rw-r--r--drivers/gpu/drm/radeon/ni.c2
-rw-r--r--drivers/gpu/drm/rockchip/inno_hdmi.c4
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_lvds.c3
-rw-r--r--drivers/gpu/drm/tegra/dsi.c47
-rw-r--r--drivers/gpu/drm/tegra/fb.c1
-rw-r--r--drivers/gpu/drm/tegra/output.c16
-rw-r--r--drivers/gpu/drm/tidss/tidss_crtc.c10
-rw-r--r--drivers/gpu/drm/tidss/tidss_plane.c2
-rw-r--r--drivers/gpu/drm/ttm/ttm_memory.c2
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_binding.c20
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_blit.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_bo.c92
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c8
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h11
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c12
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_fb.c2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_mob.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_msg.c6
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c12
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_shader.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_so.c3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c50
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_validation.c6
-rw-r--r--drivers/hid/hid-apple.c33
-rw-r--r--drivers/hid/hid-ids.h1
-rw-r--r--drivers/hid/hid-lenovo.c57
-rw-r--r--drivers/hid/hid-multitouch.c4
-rw-r--r--drivers/hid/hid-quirks.c1
-rw-r--r--drivers/hid/i2c-hid/i2c-hid-core.c8
-rw-r--r--drivers/hid/wacom_sys.c63
-rw-r--r--drivers/hid/wacom_wac.c9
-rw-r--r--drivers/hv/channel.c174
-rw-r--r--drivers/hv/hyperv_vmbus.h3
-rw-r--r--drivers/hv/ring_buffer.c28
-rw-r--r--drivers/hwmon/amc6821.c11
-rw-r--r--drivers/hwmon/aspeed-pwm-tacho.c7
-rw-r--r--drivers/hwmon/coretemp.c42
-rw-r--r--drivers/i2c/busses/i2c-i801.c19
-rw-r--r--drivers/i2c/i2c-core-base.c12
-rw-r--r--drivers/i3c/master/i3c-master-cdns.c7
-rw-r--r--drivers/iio/accel/Kconfig2
-rw-r--r--drivers/iio/adc/ad7091r-base.c173
-rw-r--r--drivers/iio/adc/ad7091r-base.h8
-rw-r--r--drivers/iio/adc/ad7091r5.c29
-rw-r--r--drivers/iio/magnetometer/rm3100-core.c10
-rw-r--r--drivers/infiniband/core/cm.c23
-rw-r--r--drivers/infiniband/core/device.c37
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c5
-rw-r--r--drivers/infiniband/hw/hfi1/pio.c6
-rw-r--r--drivers/infiniband/hw/hfi1/sdma.c2
-rw-r--r--drivers/infiniband/hw/mlx5/devx.c2
-rw-r--r--drivers/infiniband/hw/mlx5/mad.c3
-rw-r--r--drivers/infiniband/hw/mlx5/wr.c2
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c11
-rw-r--r--drivers/infiniband/sw/rxe/rxe.c2
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c7
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c20
-rw-r--r--drivers/input/keyboard/atkbd.c13
-rw-r--r--drivers/input/keyboard/gpio_keys_polled.c10
-rw-r--r--drivers/input/rmi4/rmi_driver.c6
-rw-r--r--drivers/input/serio/i8042-acpipnpio.h14
-rw-r--r--drivers/iommu/amd/init.c3
-rw-r--r--drivers/iommu/intel/pasid.c3
-rw-r--r--drivers/iommu/intel/svm.c2
-rw-r--r--drivers/irqchip/irq-brcmstb-l2.c5
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c31
-rw-r--r--drivers/irqchip/irq-mips-gic.c2
-rw-r--r--drivers/leds/leds-aw2013.c1
-rw-r--r--drivers/leds/leds-sgm3140.c3
-rw-r--r--drivers/leds/trigger/ledtrig-panic.c5
-rw-r--r--drivers/mailbox/imx-mailbox.c8
-rw-r--r--drivers/md/dm-core.h2
-rw-r--r--drivers/md/dm-crypt.c10
-rw-r--r--drivers/md/dm-integrity.c2
-rw-r--r--drivers/md/dm-ioctl.c3
-rw-r--r--drivers/md/dm-raid.c6
-rw-r--r--drivers/md/dm-snap.c4
-rw-r--r--drivers/md/dm-table.c9
-rw-r--r--drivers/md/dm-verity.h4
-rw-r--r--drivers/md/dm.c26
-rw-r--r--drivers/md/md.c130
-rw-r--r--drivers/media/cec/core/cec-adap.c14
-rw-r--r--drivers/media/common/v4l2-tpg/v4l2-tpg-core.c52
-rw-r--r--drivers/media/dvb-core/dvbdev.c5
-rw-r--r--drivers/media/dvb-frontends/stv0367.c34
-rw-r--r--drivers/media/i2c/tc358743.c7
-rw-r--r--drivers/media/pci/ddbridge/ddbridge-main.c2
-rw-r--r--drivers/media/pci/sta2x11/sta2x11_vip.c9
-rw-r--r--drivers/media/pci/ttpci/av7110_av.c4
-rw-r--r--drivers/media/pci/ttpci/budget-av.c8
-rw-r--r--drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c6
-rw-r--r--drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c2
-rw-r--r--drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c10
-rw-r--r--drivers/media/platform/mtk-vpu/mtk_vpu.c2
-rw-r--r--drivers/media/platform/mtk-vpu/mtk_vpu.h2
-rw-r--r--drivers/media/platform/rockchip/rga/rga.c15
-rw-r--r--drivers/media/platform/sunxi/sun8i-di/sun8i-di.c69
-rw-r--r--drivers/media/rc/bpf-lirc.c6
-rw-r--r--drivers/media/rc/ir_toy.c2
-rw-r--r--drivers/media/rc/lirc_dev.c5
-rw-r--r--drivers/media/rc/rc-core-priv.h2
-rw-r--r--drivers/media/tuners/xc4000.c4
-rw-r--r--drivers/media/usb/em28xx/em28xx-cards.c4
-rw-r--r--drivers/media/usb/go7007/go7007-driver.c8
-rw-r--r--drivers/media/usb/go7007/go7007-usb.c4
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-context.c10
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-dvb.c6
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-v4l2.c11
-rw-r--r--drivers/media/usb/stk1160/stk1160-video.c5
-rw-r--r--drivers/media/v4l2-core/v4l2-mem2mem.c10
-rw-r--r--drivers/mfd/Kconfig1
-rw-r--r--drivers/mfd/altera-sysmgr.c4
-rw-r--r--drivers/mfd/syscon.c4
-rw-r--r--drivers/misc/fastrpc.c2
-rw-r--r--drivers/misc/mei/hw-me-regs.h2
-rw-r--r--drivers/misc/mei/pci-me.c4
-rw-r--r--drivers/misc/vmw_vmci/vmci_datagram.c6
-rw-r--r--drivers/mmc/core/block.c58
-rw-r--r--drivers/mmc/core/mmc.c2
-rw-r--r--drivers/mmc/core/slot-gpio.c6
-rw-r--r--drivers/mmc/host/mmc_spi.c186
-rw-r--r--drivers/mmc/host/mmci_stm32_sdmmc.c112
-rw-r--r--drivers/mmc/host/sdhci-xenon-phy.c48
-rw-r--r--drivers/mmc/host/tmio_mmc_core.c2
-rw-r--r--drivers/mmc/host/wmt-sdmmc.c4
-rw-r--r--drivers/mtd/maps/physmap-core.c2
-rw-r--r--drivers/mtd/nand/raw/diskonchip.c4
-rw-r--r--drivers/mtd/nand/raw/lpc32xx_mlc.c5
-rw-r--r--drivers/mtd/nand/raw/meson_nand.c2
-rw-r--r--drivers/mtd/nand/spi/gigadevice.c81
-rw-r--r--drivers/mtd/nand/spi/macronix.c20
-rw-r--r--drivers/mtd/ubi/fastmap.c7
-rw-r--r--drivers/mtd/ubi/vtbl.c6
-rw-r--r--drivers/net/bonding/bond_alb.c3
-rw-r--r--drivers/net/dsa/mt7530.c8
-rw-r--r--drivers/net/dsa/mv88e6xxx/chip.h4
-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.c8
-rw-r--r--drivers/net/dsa/mv88e6xxx/serdes.h8
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.c2
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c52
-rw-r--r--drivers/net/ethernet/broadcom/b44.c14
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h6
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c5
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c22
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.h3
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmmii.c6
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c2
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c5
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h8
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h8
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c17
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c66
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h1
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_main.c30
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c2
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c112
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c36
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c61
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_common.c177
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c2
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c16
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_main.c100
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c34
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h1
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c105
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h2
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c2
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_type.h51
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c44
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c149
-rw-r--r--drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c27
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/cgx.c7
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu.c17
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c20
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c12
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c26
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c54
-rw-r--r--drivers/net/ethernet/microchip/lan743x_ethtool.c9
-rw-r--r--drivers/net/ethernet/neterion/vxge/vxge-config.c2
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/lag_conf.c5
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c2
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c6
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_dev.c1
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_dev.h1
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.c5
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_main.c2
-rw-r--r--drivers/net/ethernet/realtek/r8169_main.c9
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c7
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/common.h1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c40
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h3
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c96
-rw-r--r--drivers/net/ethernet/ti/am65-cpts.c5
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_main.c2
-rw-r--r--drivers/net/fjes/fjes_hw.c37
-rw-r--r--drivers/net/geneve.c22
-rw-r--r--drivers/net/gtp.c17
-rw-r--r--drivers/net/hyperv/hyperv_net.h13
-rw-r--r--drivers/net/hyperv/netvsc.c60
-rw-r--r--drivers/net/hyperv/netvsc_drv.c107
-rw-r--r--drivers/net/hyperv/rndis_filter.c1
-rw-r--r--drivers/net/phy/dp83822.c38
-rw-r--r--drivers/net/phy/phy_device.c2
-rw-r--r--drivers/net/ppp/ppp_async.c4
-rw-r--r--drivers/net/tun.c19
-rw-r--r--drivers/net/usb/ax88179_178a.c11
-rw-r--r--drivers/net/usb/dm9601.c2
-rw-r--r--drivers/net/usb/lan78xx.c913
-rw-r--r--drivers/net/usb/sr9800.c4
-rw-r--r--drivers/net/virtio_net.c9
-rw-r--r--drivers/net/vxlan/vxlan_core.c4
-rw-r--r--drivers/net/wireguard/netlink.c10
-rw-r--r--drivers/net/wireguard/receive.c6
-rw-r--r--drivers/net/wireless/ath/ath10k/core.c3
-rw-r--r--drivers/net/wireless/ath/ath10k/sdio.c1
-rw-r--r--drivers/net/wireless/ath/ath10k/wmi-tlv.c4
-rw-r--r--drivers/net/wireless/ath/ath9k/antenna.c2
-rw-r--r--drivers/net/wireless/ath/ath9k/htc.h2
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_init.c4
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_txrx.c9
-rw-r--r--drivers/net/wireless/ath/ath9k/wmi.c10
-rw-r--r--drivers/net/wireless/broadcom/b43/b43.h16
-rw-r--r--drivers/net/wireless/broadcom/b43/dma.c4
-rw-r--r--drivers/net/wireless/broadcom/b43/main.c16
-rw-r--r--drivers/net/wireless/broadcom/b43/pio.c6
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c4
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c3
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c5
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h2
-rw-r--r--drivers/net/wireless/intel/iwlegacy/3945-mac.c1
-rw-r--r--drivers/net/wireless/intel/iwlegacy/4965-mac.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/dvm/main.c1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c8
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c14
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mvm.h2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c10
-rw-r--r--drivers/net/wireless/marvell/libertas/cmd.c13
-rw-r--r--drivers/net/wireless/marvell/mwifiex/cfg80211.c2
-rw-r--r--drivers/net/wireless/marvell/mwifiex/debugfs.c3
-rw-r--r--drivers/net/wireless/marvell/mwifiex/main.c2
-rw-r--r--drivers/net/wireless/microchip/wilc1000/cfg80211.c1
-rw-r--r--drivers/net/wireless/microchip/wilc1000/hif.c40
-rw-r--r--drivers/net/wireless/microchip/wilc1000/netdev.c29
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/core.c2
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c2
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00dev.c3
-rw-r--r--drivers/net/wireless/ralink/rt2x00/rt2x00mac.c11
-rw-r--r--drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c13
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/pci.c1
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c6
-rw-r--r--drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c4
-rw-r--r--drivers/net/wireless/realtek/rtw88/rtw8821c.c2
-rw-r--r--drivers/net/wireless/rndis_wlan.c2
-rw-r--r--drivers/net/wireless/st/cw1200/bh.c2
-rw-r--r--drivers/net/xen-netback/netback.c84
-rw-r--r--drivers/nfc/trf7970a.c42
-rw-r--r--drivers/nvme/host/fc.c47
-rw-r--r--drivers/nvme/host/pci.c3
-rw-r--r--drivers/nvme/target/fc.c11
-rw-r--r--drivers/nvme/target/fcloop.c6
-rw-r--r--drivers/nvme/target/tcp.c1
-rw-r--r--drivers/nvmem/meson-efuse.c25
-rw-r--r--drivers/of/dynamic.c12
-rw-r--r--drivers/of/property.c2
-rw-r--r--drivers/of/unittest.c12
-rw-r--r--drivers/opp/debugfs.c6
-rw-r--r--drivers/pci/controller/dwc/pcie-designware-ep.c9
-rw-r--r--drivers/pci/controller/pcie-mediatek.c10
-rw-r--r--drivers/pci/msi.c2
-rw-r--r--drivers/pci/pci-driver.c23
-rw-r--r--drivers/pci/pci.c6
-rw-r--r--drivers/pci/pci.h22
-rw-r--r--drivers/pci/pcie/Makefile2
-rw-r--r--drivers/pci/pcie/aer.c9
-rw-r--r--drivers/pci/pcie/dpc.c17
-rw-r--r--drivers/pci/pcie/err.c33
-rw-r--r--drivers/pci/pcie/rcec.c59
-rw-r--r--drivers/pci/probe.c7
-rw-r--r--drivers/pci/quirks.c125
-rw-r--r--drivers/pci/setup-res.c8
-rw-r--r--drivers/pci/switch/switchtec.c29
-rw-r--r--drivers/phy/renesas/phy-rcar-gen3-usb2.c4
-rw-r--r--drivers/phy/tegra/xusb.c13
-rw-r--r--drivers/phy/ti/phy-omap-usb2.c4
-rw-r--r--drivers/pinctrl/mediatek/pinctrl-mt8192.c1
-rw-r--r--drivers/pinctrl/renesas/core.c4
-rw-r--r--drivers/platform/x86/intel-vbtn.c6
-rw-r--r--drivers/platform/x86/touchscreen_dmi.c13
-rw-r--r--drivers/pnp/pnpacpi/rsparser.c12
-rw-r--r--drivers/power/supply/bq27xxx_battery_i2c.c4
-rw-r--r--drivers/regulator/core.c56
-rw-r--r--drivers/regulator/pwm-regulator.c3
-rw-r--r--drivers/remoteproc/Kconfig2
-rw-r--r--drivers/remoteproc/remoteproc_core.c32
-rw-r--r--drivers/remoteproc/remoteproc_internal.h10
-rw-r--r--drivers/remoteproc/stm32_rproc.c151
-rw-r--r--drivers/rpmsg/virtio_rpmsg_bus.c1
-rw-r--r--drivers/rtc/Kconfig3
-rw-r--r--drivers/rtc/rtc-cmos.c4
-rw-r--r--drivers/s390/cio/device_ops.c6
-rw-r--r--drivers/s390/crypto/zcrypt_api.c2
-rw-r--r--drivers/s390/net/qeth_l3_main.c9
-rw-r--r--drivers/scsi/Kconfig2
-rw-r--r--drivers/scsi/arcmsr/arcmsr.h4
-rw-r--r--drivers/scsi/arcmsr/arcmsr_hba.c6
-rw-r--r--drivers/scsi/bfa/bfa.h9
-rw-r--r--drivers/scsi/bfa/bfa_core.c4
-rw-r--r--drivers/scsi/bfa/bfa_ioc.h8
-rw-r--r--drivers/scsi/bfa/bfad_bsg.c11
-rw-r--r--drivers/scsi/csiostor/csio_defs.h18
-rw-r--r--drivers/scsi/csiostor/csio_lnode.c8
-rw-r--r--drivers/scsi/csiostor/csio_lnode.h13
-rw-r--r--drivers/scsi/device_handler/scsi_dh_alua.c4
-rw-r--r--drivers/scsi/device_handler/scsi_dh_emc.c4
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c4
-rw-r--r--drivers/scsi/fcoe/fcoe_ctlr.c20
-rw-r--r--drivers/scsi/hosts.c7
-rw-r--r--drivers/scsi/isci/request.c2
-rw-r--r--drivers/scsi/libfc/fc_fcp.c18
-rw-r--r--drivers/scsi/lpfc/lpfc.h1
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c4
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c6
-rw-r--r--drivers/scsi/lpfc/lpfc_nvmet.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c12
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c4
-rw-r--r--drivers/scsi/myrb.c20
-rw-r--r--drivers/scsi/myrs.c24
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c14
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c102
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c10
-rw-r--r--drivers/scsi/scsi_error.c73
-rw-r--r--drivers/scsi/scsi_lib.c6
-rw-r--r--drivers/scsi/scsi_priv.h4
-rw-r--r--drivers/scsi/sd.c7
-rw-r--r--drivers/slimbus/core.c4
-rw-r--r--drivers/soc/fsl/dpio/dpio-service.c2
-rw-r--r--drivers/soc/fsl/qbman/qman.c98
-rw-r--r--drivers/soc/qcom/rpmhpd.c7
-rw-r--r--drivers/soc/renesas/r8a77980-sysc.c3
-rw-r--r--drivers/spi/spi-bcm-qspi.c4
-rw-r--r--drivers/spi/spi-hisi-sfc-v3xx.c5
-rw-r--r--drivers/spi/spi-mt65xx.c22
-rw-r--r--drivers/spi/spi-ppc4xx.c5
-rw-r--r--drivers/spi/spi-sh-msiof.c16
-rw-r--r--drivers/staging/comedi/drivers/comedi_test.c30
-rw-r--r--drivers/staging/comedi/drivers/vmk80xx.c35
-rw-r--r--drivers/staging/greybus/light.c8
-rw-r--r--drivers/staging/iio/impedance-analyzer/ad5933.c2
-rw-r--r--drivers/staging/media/imx/imx-media-csc-scaler.c1
-rw-r--r--drivers/staging/media/ipu3/ipu3-v4l2.c16
-rw-r--r--drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c5
-rw-r--r--drivers/target/target_core_device.c5
-rw-r--r--drivers/target/target_core_transport.c4
-rw-r--r--drivers/tee/optee/device.c3
-rw-r--r--drivers/thunderbolt/switch.c48
-rw-r--r--drivers/thunderbolt/tb.c4
-rw-r--r--drivers/thunderbolt/tb.h3
-rw-r--r--drivers/thunderbolt/usb4.c13
-rw-r--r--drivers/tty/hvc/hvc_xen.c19
-rw-r--r--drivers/tty/n_gsm.c3
-rw-r--r--drivers/tty/serial/8250/8250_core.c1
-rw-r--r--drivers/tty/serial/8250/8250_exar.c18
-rw-r--r--drivers/tty/serial/8250/8250_port.c6
-rw-r--r--drivers/tty/serial/Kconfig1
-rw-r--r--drivers/tty/serial/fsl_lpuart.c7
-rw-r--r--drivers/tty/serial/max310x.c404
-rw-r--r--drivers/tty/serial/mxs-auart.c8
-rw-r--r--drivers/tty/serial/pmac_zilog.c14
-rw-r--r--drivers/tty/serial/samsung_tty.c5
-rw-r--r--drivers/tty/serial/sc16is7xx.c23
-rw-r--r--drivers/tty/serial/serial_core.c12
-rw-r--r--drivers/tty/tty_ioctl.c4
-rw-r--r--drivers/tty/vt/vt.c4
-rw-r--r--drivers/usb/cdns3/ep0.c4
-rw-r--r--drivers/usb/cdns3/gadget.c158
-rw-r--r--drivers/usb/cdns3/gadget.h3
-rw-r--r--drivers/usb/core/hub.c57
-rw-r--r--drivers/usb/core/hub.h2
-rw-r--r--drivers/usb/core/port.c9
-rw-r--r--drivers/usb/core/sysfs.c16
-rw-r--r--drivers/usb/dwc2/core.h14
-rw-r--r--drivers/usb/dwc2/core_intr.c63
-rw-r--r--drivers/usb/dwc2/gadget.c4
-rw-r--r--drivers/usb/dwc2/hcd.c47
-rw-r--r--drivers/usb/dwc2/hcd_ddma.c19
-rw-r--r--drivers/usb/dwc2/hw.h2
-rw-r--r--drivers/usb/gadget/function/f_mass_storage.c20
-rw-r--r--drivers/usb/gadget/function/f_ncm.c10
-rw-r--r--drivers/usb/gadget/udc/core.c4
-rw-r--r--drivers/usb/gadget/udc/net2272.c2
-rw-r--r--drivers/usb/gadget/udc/tegra-xudc.c53
-rw-r--r--drivers/usb/host/sl811-hcd.c2
-rw-r--r--drivers/usb/host/xhci-plat.c3
-rw-r--r--drivers/usb/host/xhci-ring.c143
-rw-r--r--drivers/usb/host/xhci.h3
-rw-r--r--drivers/usb/phy/phy-generic.c7
-rw-r--r--drivers/usb/roles/class.c29
-rw-r--r--drivers/usb/serial/cp210x.c5
-rw-r--r--drivers/usb/serial/ftdi_sio.c2
-rw-r--r--drivers/usb/serial/ftdi_sio_ids.h6
-rw-r--r--drivers/usb/serial/option.c47
-rw-r--r--drivers/usb/serial/qcserial.c2
-rw-r--r--drivers/usb/storage/isd200.c23
-rw-r--r--drivers/usb/typec/tcpm/tcpci.c1
-rw-r--r--drivers/usb/typec/ucsi/ucsi.c42
-rw-r--r--drivers/usb/typec/ucsi/ucsi.h4
-rw-r--r--drivers/usb/typec/ucsi/ucsi_acpi.c17
-rw-r--r--drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c7
-rw-r--r--drivers/vfio/pci/vfio_pci_intrs.c176
-rw-r--r--drivers/vfio/platform/vfio_platform_irq.c106
-rw-r--r--drivers/vfio/virqfd.c21
-rw-r--r--drivers/vhost/vhost.c17
-rw-r--r--drivers/video/backlight/da9052_bl.c1
-rw-r--r--drivers/video/backlight/lm3630a_bl.c15
-rw-r--r--drivers/video/backlight/lm3639_bl.c1
-rw-r--r--drivers/video/backlight/lp8788_bl.c1
-rw-r--r--drivers/video/fbdev/core/fbmon.c7
-rw-r--r--drivers/video/fbdev/savage/savagefb_driver.c3
-rw-r--r--drivers/video/fbdev/sis/sis_main.c2
-rw-r--r--drivers/video/fbdev/via/accel.c4
-rw-r--r--drivers/virtio/virtio.c10
-rw-r--r--drivers/watchdog/it87_wdt.c14
-rw-r--r--drivers/watchdog/stm32_iwdg.c3
-rw-r--r--drivers/xen/events/events_base.c5
-rw-r--r--drivers/xen/gntdev-dmabuf.c50
568 files changed, 7136 insertions, 3571 deletions
diff --git a/drivers/accessibility/speakup/main.c b/drivers/accessibility/speakup/main.c
index 63c5444f0..7598778cf 100644
--- a/drivers/accessibility/speakup/main.c
+++ b/drivers/accessibility/speakup/main.c
@@ -576,7 +576,7 @@ static u_long get_word(struct vc_data *vc)
}
attr_ch = get_char(vc, (u_short *)tmp_pos, &spk_attr);
buf[cnt++] = attr_ch;
- while (tmpx < vc->vc_cols - 1) {
+ while (tmpx < vc->vc_cols - 1 && cnt < sizeof(buf) - 1) {
tmp_pos += 2;
tmpx++;
ch = get_char(vc, (u_short *)tmp_pos, &temp);
diff --git a/drivers/accessibility/speakup/synth.c b/drivers/accessibility/speakup/synth.c
index ac47dbac7..82cfc5ec6 100644
--- a/drivers/accessibility/speakup/synth.c
+++ b/drivers/accessibility/speakup/synth.c
@@ -208,8 +208,10 @@ void spk_do_flush(void)
wake_up_process(speakup_task);
}
-void synth_write(const char *buf, size_t count)
+void synth_write(const char *_buf, size_t count)
{
+ const unsigned char *buf = (const unsigned char *) _buf;
+
while (count--)
synth_buffer_add(*buf++);
synth_start();
diff --git a/drivers/acpi/acpi_extlog.c b/drivers/acpi/acpi_extlog.c
index 088db2356..0a84d5afd 100644
--- a/drivers/acpi/acpi_extlog.c
+++ b/drivers/acpi/acpi_extlog.c
@@ -308,9 +308,10 @@ err:
static void __exit extlog_exit(void)
{
mce_unregister_decode_chain(&extlog_mce_dec);
- ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
- if (extlog_l1_addr)
+ if (extlog_l1_addr) {
+ ((struct extlog_l1_head *)extlog_l1_addr)->flags &= ~FLAG_OS_OPTIN;
acpi_os_unmap_iomem(extlog_l1_addr, l1_size);
+ }
if (elog_addr)
acpi_os_unmap_iomem(elog_addr, elog_size);
release_mem_region(elog_base, elog_size);
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 9d3846563..b2364ac45 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -568,6 +568,15 @@ static const struct dmi_system_id video_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 3350"),
},
},
+ {
+ .callback = video_set_report_key_events,
+ .driver_data = (void *)((uintptr_t)REPORT_BRIGHTNESS_KEY_EVENTS),
+ .ident = "COLORFUL X15 AT 23",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "COLORFUL"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "X15 AT 23"),
+ },
+ },
/*
* Some machines change the brightness themselves when a brightness
* hotkey gets pressed, despite us telling them not to. In this case
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c
index b91155ea9..c9131259f 100644
--- a/drivers/acpi/acpica/dbnames.c
+++ b/drivers/acpi/acpica/dbnames.c
@@ -550,8 +550,12 @@ acpi_db_walk_for_fields(acpi_handle obj_handle,
ACPI_FREE(buffer.pointer);
buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
- acpi_evaluate_object(obj_handle, NULL, NULL, &buffer);
-
+ status = acpi_evaluate_object(obj_handle, NULL, NULL, &buffer);
+ if (ACPI_FAILURE(status)) {
+ acpi_os_printf("Could Not evaluate object %p\n",
+ obj_handle);
+ return (AE_OK);
+ }
/*
* Since this is a field unit, surround the output in braces
*/
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 8678e1621..160606af8 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -100,6 +100,20 @@ static inline bool is_hest_type_generic_v2(struct ghes *ghes)
}
/*
+ * A platform may describe one error source for the handling of synchronous
+ * errors (e.g. MCE or SEA), or for handling asynchronous errors (e.g. SCI
+ * or External Interrupt). On x86, the HEST notifications are always
+ * asynchronous, so only SEA on ARM is delivered as a synchronous
+ * notification.
+ */
+static inline bool is_hest_sync_notify(struct ghes *ghes)
+{
+ u8 notify_type = ghes->generic->notify.type;
+
+ return notify_type == ACPI_HEST_NOTIFY_SEA;
+}
+
+/*
* This driver isn't really modular, however for the time being,
* continuing to use module_param is the easiest way to remain
* compatible with existing boot arg use cases.
@@ -461,7 +475,7 @@ static bool ghes_do_memory_failure(u64 physical_addr, int flags)
}
static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
- int sev)
+ int sev, bool sync)
{
int flags = -1;
int sec_sev = ghes_severity(gdata->error_severity);
@@ -475,7 +489,7 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
(gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED))
flags = MF_SOFT_OFFLINE;
if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
- flags = 0;
+ flags = sync ? MF_ACTION_REQUIRED : 0;
if (flags != -1)
return ghes_do_memory_failure(mem_err->physical_addr, flags);
@@ -483,9 +497,11 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
return false;
}
-static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int sev)
+static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata,
+ int sev, bool sync)
{
struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+ int flags = sync ? MF_ACTION_REQUIRED : 0;
bool queued = false;
int sec_sev, i;
char *p;
@@ -510,7 +526,7 @@ static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int s
* and don't filter out 'corrected' error here.
*/
if (is_cache && has_pa) {
- queued = ghes_do_memory_failure(err_info->physical_fault_addr, 0);
+ queued = ghes_do_memory_failure(err_info->physical_fault_addr, flags);
p += err_info->length;
continue;
}
@@ -631,6 +647,7 @@ static bool ghes_do_proc(struct ghes *ghes,
const guid_t *fru_id = &guid_null;
char *fru_text = "";
bool queued = false;
+ bool sync = is_hest_sync_notify(ghes);
sev = ghes_severity(estatus->error_severity);
apei_estatus_for_each_section(estatus, gdata) {
@@ -648,13 +665,13 @@ static bool ghes_do_proc(struct ghes *ghes,
ghes_edac_report_mem_error(sev, mem_err);
arch_apei_report_mem_error(sev, mem_err);
- queued = ghes_handle_memory_failure(gdata, sev);
+ queued = ghes_handle_memory_failure(gdata, sev, sync);
}
else if (guid_equal(sec_type, &CPER_SEC_PCIE)) {
ghes_handle_aer(gdata);
}
else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
- queued = ghes_handle_arm_hw_error(gdata, sev);
+ queued = ghes_handle_arm_hw_error(gdata, sev, sync);
} else {
void *err = acpi_hest_get_payload(gdata);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 59781e765..3deeabb27 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1427,6 +1427,8 @@ int acpi_processor_power_exit(struct acpi_processor *pr)
acpi_processor_registered--;
if (acpi_processor_registered == 0)
cpuidle_unregister_driver(&acpi_idle_driver);
+
+ kfree(dev);
}
pr->flags.power_setup_done = 0;
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 67a5ee2fe..f17f48bc1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -321,18 +321,14 @@ static int acpi_scan_device_check(struct acpi_device *adev)
* again).
*/
if (adev->handler) {
- dev_warn(&adev->dev, "Already enumerated\n");
- return -EALREADY;
+ dev_dbg(&adev->dev, "Already enumerated\n");
+ return 0;
}
error = acpi_bus_scan(adev->handle);
if (error) {
dev_warn(&adev->dev, "Namespace scan failure\n");
return error;
}
- if (!adev->handler) {
- dev_warn(&adev->dev, "Enumeration failure\n");
- error = -ENODEV;
- }
} else {
error = acpi_scan_device_not_present(adev);
}
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 097a5b5f4..e79c004ca 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -385,18 +385,6 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = {
DMI_MATCH(DMI_PRODUCT_NAME, "20GGA00L00"),
},
},
- /*
- * ASUS B1400CEAE hangs on resume from suspend (see
- * https://bugzilla.kernel.org/show_bug.cgi?id=215742).
- */
- {
- .callback = init_default_s3,
- .ident = "ASUS B1400CEAE",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
- DMI_MATCH(DMI_PRODUCT_NAME, "ASUS EXPERTBOOK B1400CEAE"),
- },
- },
{},
};
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 7db748cfc..bcbaa4d6a 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -836,6 +836,16 @@ binder_enqueue_thread_work_ilocked(struct binder_thread *thread,
{
WARN_ON(!list_empty(&thread->waiting_thread_node));
binder_enqueue_work_ilocked(work, &thread->todo);
+
+ /* (e)poll-based threads require an explicit wakeup signal when
+ * queuing their own work; they rely on these events to consume
+ * messages without I/O block. Without it, threads risk waiting
+ * indefinitely without handling the work.
+ */
+ if (thread->looper & BINDER_LOOPER_STATE_POLL &&
+ thread->pid == current->pid && !thread->process_todo)
+ wake_up_interruptible_sync(&thread->wait);
+
thread->process_todo = true;
}
@@ -2032,8 +2042,10 @@ static size_t binder_get_object(struct binder_proc *proc,
size_t object_size = 0;
read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset);
- if (offset > buffer->data_size || read_size < sizeof(*hdr))
+ if (offset > buffer->data_size || read_size < sizeof(*hdr) ||
+ !IS_ALIGNED(offset, sizeof(u32)))
return 0;
+
if (u) {
if (copy_from_user(object, u + offset, read_size))
return 0;
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 4297a8d69..55a07dbe1 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -49,6 +49,7 @@ enum {
enum board_ids {
/* board IDs by feature in alphabetical order */
board_ahci,
+ board_ahci_43bit_dma,
board_ahci_ign_iferr,
board_ahci_low_power,
board_ahci_no_debounce_delay,
@@ -129,6 +130,13 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
+ [board_ahci_43bit_dma] = {
+ AHCI_HFLAGS (AHCI_HFLAG_43BIT_ONLY),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
[board_ahci_ign_iferr] = {
AHCI_HFLAGS (AHCI_HFLAG_IGN_IRQ_IF_ERR),
.flags = AHCI_FLAG_COMMON,
@@ -594,11 +602,11 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */
{ PCI_VDEVICE(PROMISE, 0x3781), board_ahci }, /* FastTrak TX8660 ahci-mode */
- /* Asmedia */
+ /* ASMedia */
{ PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */
{ PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */
- { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */
- { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */
+ { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci_43bit_dma }, /* ASM1061 */
+ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci_43bit_dma }, /* ASM1061/1062 */
{ PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci }, /* ASM1061R */
{ PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci }, /* ASM1062R */
@@ -946,11 +954,20 @@ static int ahci_pci_device_resume(struct device *dev)
#endif /* CONFIG_PM */
-static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
+static int ahci_configure_dma_masks(struct pci_dev *pdev,
+ struct ahci_host_priv *hpriv)
{
- const int dma_bits = using_dac ? 64 : 32;
+ int dma_bits;
int rc;
+ if (hpriv->cap & HOST_CAP_64) {
+ dma_bits = 64;
+ if (hpriv->flags & AHCI_HFLAG_43BIT_ONLY)
+ dma_bits = 43;
+ } else {
+ dma_bits = 32;
+ }
+
/*
* If the device fixup already set the dma_mask to some non-standard
* value, don't extend it here. This happens on STA2X11, for example.
@@ -1928,7 +1945,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
ahci_gtf_filter_workaround(host);
/* initialize adapter */
- rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
+ rc = ahci_configure_dma_masks(pdev, hpriv);
if (rc)
return rc;
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 7cc6feb17..b8db2b0d7 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -244,6 +244,7 @@ enum {
AHCI_HFLAG_IGN_NOTSUPP_POWER_ON = BIT(27), /* ignore -EOPNOTSUPP
from phy_power_on() */
AHCI_HFLAG_NO_SXS = BIT(28), /* SXS not supported */
+ AHCI_HFLAG_43BIT_ONLY = BIT(29), /* 43bit DMA addr limit */
/* ap->flags bits */
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 2308c2be8..48130b254 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1607,7 +1607,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc,
}
if (qc->flags & ATA_QCFLAG_SENSE_VALID) {
- int ret = scsi_check_sense(qc->scsicmd);
+ enum scsi_disposition ret = scsi_check_sense(qc->scsicmd);
/*
* SUCCESS here means that the sense code could be
* evaluated and should be passed to the upper layers
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 11be88f70..cede4b517 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -783,37 +783,6 @@ static const struct ata_port_info mv_port_info[] = {
},
};
-static const struct pci_device_id mv_pci_tbl[] = {
- { PCI_VDEVICE(MARVELL, 0x5040), chip_504x },
- { PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
- { PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
- { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
- /* RocketRAID 1720/174x have different identifiers */
- { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
- { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
- { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
-
- { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
- { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
- { PCI_VDEVICE(MARVELL, 0x6042), chip_6042 },
- { PCI_VDEVICE(MARVELL, 0x6080), chip_608x },
- { PCI_VDEVICE(MARVELL, 0x6081), chip_608x },
-
- { PCI_VDEVICE(ADAPTEC2, 0x0241), chip_604x },
-
- /* Adaptec 1430SA */
- { PCI_VDEVICE(ADAPTEC2, 0x0243), chip_7042 },
-
- /* Marvell 7042 support */
- { PCI_VDEVICE(MARVELL, 0x7042), chip_7042 },
-
- /* Highpoint RocketRAID PCIe series */
- { PCI_VDEVICE(TTI, 0x2300), chip_7042 },
- { PCI_VDEVICE(TTI, 0x2310), chip_7042 },
-
- { } /* terminate list */
-};
-
static const struct mv_hw_ops mv5xxx_ops = {
.phy_errata = mv5_phy_errata,
.enable_leds = mv5_enable_leds,
@@ -4307,6 +4276,36 @@ static int mv_pci_init_one(struct pci_dev *pdev,
static int mv_pci_device_resume(struct pci_dev *pdev);
#endif
+static const struct pci_device_id mv_pci_tbl[] = {
+ { PCI_VDEVICE(MARVELL, 0x5040), chip_504x },
+ { PCI_VDEVICE(MARVELL, 0x5041), chip_504x },
+ { PCI_VDEVICE(MARVELL, 0x5080), chip_5080 },
+ { PCI_VDEVICE(MARVELL, 0x5081), chip_508x },
+ /* RocketRAID 1720/174x have different identifiers */
+ { PCI_VDEVICE(TTI, 0x1720), chip_6042 },
+ { PCI_VDEVICE(TTI, 0x1740), chip_6042 },
+ { PCI_VDEVICE(TTI, 0x1742), chip_6042 },
+
+ { PCI_VDEVICE(MARVELL, 0x6040), chip_604x },
+ { PCI_VDEVICE(MARVELL, 0x6041), chip_604x },
+ { PCI_VDEVICE(MARVELL, 0x6042), chip_6042 },
+ { PCI_VDEVICE(MARVELL, 0x6080), chip_608x },
+ { PCI_VDEVICE(MARVELL, 0x6081), chip_608x },
+
+ { PCI_VDEVICE(ADAPTEC2, 0x0241), chip_604x },
+
+ /* Adaptec 1430SA */
+ { PCI_VDEVICE(ADAPTEC2, 0x0243), chip_7042 },
+
+ /* Marvell 7042 support */
+ { PCI_VDEVICE(MARVELL, 0x7042), chip_7042 },
+
+ /* Highpoint RocketRAID PCIe series */
+ { PCI_VDEVICE(TTI, 0x2300), chip_7042 },
+ { PCI_VDEVICE(TTI, 0x2310), chip_7042 },
+
+ { } /* terminate list */
+};
static struct pci_driver mv_pci_driver = {
.name = DRV_NAME,
@@ -4319,6 +4318,7 @@ static struct pci_driver mv_pci_driver = {
#endif
};
+MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
/**
* mv_print_info - Dump key info to kernel log for perusal.
@@ -4491,7 +4491,6 @@ static void __exit mv_exit(void)
MODULE_AUTHOR("Brett Russ");
MODULE_DESCRIPTION("SCSI low-level driver for Marvell SATA controllers");
MODULE_LICENSE("GPL v2");
-MODULE_DEVICE_TABLE(pci, mv_pci_tbl);
MODULE_VERSION(DRV_VERSION);
MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index 4c01190a5..c95685f69 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -1004,8 +1004,7 @@ static void pdc20621_get_from_dimm(struct ata_host *host, void *psource,
offset -= (idx * window_size);
idx++;
- dist = ((long) (window_size - (offset + size))) >= 0 ? size :
- (long) (window_size - offset);
+ dist = min(size, window_size - offset);
memcpy_fromio(psource, dimm_mmio + offset / 4, dist);
psource += dist;
@@ -1053,8 +1052,7 @@ static void pdc20621_put_to_dimm(struct ata_host *host, void *psource,
readl(mmio + PDC_DIMM_WINDOW_CTLR);
offset -= (idx * window_size);
idx++;
- dist = ((long)(s32)(window_size - (offset + size))) >= 0 ? size :
- (long) (window_size - offset);
+ dist = min(size, window_size - offset);
memcpy_toio(dimm_mmio + offset / 4, psource, dist);
writel(0x01, mmio + PDC_GENERAL_CTLR);
readl(mmio + PDC_GENERAL_CTLR);
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index a217b5043..e616e33c8 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -2936,6 +2936,8 @@ open_card_ubr0(struct idt77252_dev *card)
vc->scq = alloc_scq(card, vc->class);
if (!vc->scq) {
printk("%s: can't get SCQ.\n", card->name);
+ kfree(card->vcs[0]);
+ card->vcs[0] = NULL;
return -ENOMEM;
}
diff --git a/drivers/base/core.c b/drivers/base/core.c
index d98cab88c..2c978941b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -53,6 +53,7 @@ static unsigned int defer_sync_state_count = 1;
static unsigned int defer_fw_devlink_count;
static LIST_HEAD(deferred_fw_devlink);
static DEFINE_MUTEX(defer_fw_devlink_lock);
+static struct workqueue_struct *device_link_wq;
static bool fw_devlink_is_permissive(void);
#ifdef CONFIG_SRCU
@@ -364,12 +365,26 @@ static void devlink_dev_release(struct device *dev)
/*
* It may take a while to complete this work because of the SRCU
* synchronization in device_link_release_fn() and if the consumer or
- * supplier devices get deleted when it runs, so put it into the "long"
- * workqueue.
+ * supplier devices get deleted when it runs, so put it into the
+ * dedicated workqueue.
*/
- queue_work(system_long_wq, &link->rm_work);
+ queue_work(device_link_wq, &link->rm_work);
}
+/**
+ * device_link_wait_removal - Wait for ongoing devlink removal jobs to terminate
+ */
+void device_link_wait_removal(void)
+{
+ /*
+ * devlink removal jobs are queued in the dedicated work queue.
+ * To be sure that all removal jobs are terminated, ensure that any
+ * scheduled work has run to completion.
+ */
+ flush_workqueue(device_link_wq);
+}
+EXPORT_SYMBOL_GPL(device_link_wait_removal);
+
static struct class devlink_class = {
.name = "devlink",
.owner = THIS_MODULE,
@@ -3415,9 +3430,14 @@ int __init devices_init(void)
sysfs_dev_char_kobj = kobject_create_and_add("char", dev_kobj);
if (!sysfs_dev_char_kobj)
goto char_kobj_err;
+ device_link_wq = alloc_workqueue("device_link_wq", 0, 0);
+ if (!device_link_wq)
+ goto wq_err;
return 0;
+ wq_err:
+ kobject_put(sysfs_dev_char_kobj);
char_kobj_err:
kobject_put(sysfs_dev_block_kobj);
block_kobj_err:
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 2db1e0e8c..e3aed8333 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -591,6 +591,12 @@ ssize_t __weak cpu_show_spec_rstack_overflow(struct device *dev,
return sysfs_emit(buf, "Not affected\n");
}
+ssize_t __weak cpu_show_reg_file_data_sampling(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sysfs_emit(buf, "Not affected\n");
+}
+
static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL);
static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL);
@@ -604,6 +610,7 @@ static DEVICE_ATTR(mmio_stale_data, 0444, cpu_show_mmio_stale_data, NULL);
static DEVICE_ATTR(retbleed, 0444, cpu_show_retbleed, NULL);
static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL);
static DEVICE_ATTR(spec_rstack_overflow, 0444, cpu_show_spec_rstack_overflow, NULL);
+static DEVICE_ATTR(reg_file_data_sampling, 0444, cpu_show_reg_file_data_sampling, NULL);
static struct attribute *cpu_root_vulnerabilities_attrs[] = {
&dev_attr_meltdown.attr,
@@ -619,6 +626,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = {
&dev_attr_retbleed.attr,
&dev_attr_gather_data_sampling.attr,
&dev_attr_spec_rstack_overflow.attr,
+ &dev_attr_reg_file_data_sampling.attr,
NULL
};
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 8a90f08c9..f5a032b6b 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -958,7 +958,7 @@ static int __init genpd_power_off_unused(void)
return 0;
}
-late_initcall(genpd_power_off_unused);
+late_initcall_sync(genpd_power_off_unused);
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 1dbaaddf5..fbc57c4fc 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -16,6 +16,7 @@
*/
#define pr_fmt(fmt) "PM: " fmt
+#define dev_fmt pr_fmt
#include <linux/device.h>
#include <linux/export.h>
@@ -449,8 +450,8 @@ static void pm_dev_dbg(struct device *dev, pm_message_t state, const char *info)
static void pm_dev_err(struct device *dev, pm_message_t state, const char *info,
int error)
{
- pr_err("Device %s failed to %s%s: error %d\n",
- dev_name(dev), pm_verb(state.event), info, error);
+ dev_err(dev, "failed to %s%s: error %d\n", pm_verb(state.event), info,
+ error);
}
static void dpm_show_time(ktime_t starttime, pm_message_t state, int error,
@@ -582,7 +583,7 @@ bool dev_pm_skip_resume(struct device *dev)
}
/**
- * device_resume_noirq - Execute a "noirq resume" callback for given device.
+ * __device_resume_noirq - Execute a "noirq resume" callback for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
@@ -590,7 +591,7 @@ bool dev_pm_skip_resume(struct device *dev)
* The driver of @dev will not receive interrupts while this function is being
* executed.
*/
-static int device_resume_noirq(struct device *dev, pm_message_t state, bool async)
+static void __device_resume_noirq(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -658,7 +659,13 @@ Skip:
Out:
complete_all(&dev->power.completion);
TRACE_RESUME(error);
- return error;
+
+ if (error) {
+ suspend_stats.failed_resume_noirq++;
+ dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
+ dpm_save_failed_dev(dev_name(dev));
+ pm_dev_err(dev, state, async ? " async noirq" : " noirq", error);
+ }
}
static bool is_async(struct device *dev)
@@ -671,27 +678,35 @@ static bool dpm_async_fn(struct device *dev, async_func_t func)
{
reinit_completion(&dev->power.completion);
- if (is_async(dev)) {
- get_device(dev);
- async_schedule_dev(func, dev);
+ if (!is_async(dev))
+ return false;
+
+ get_device(dev);
+
+ if (async_schedule_dev_nocall(func, dev))
return true;
- }
+
+ put_device(dev);
return false;
}
static void async_resume_noirq(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
- int error;
-
- error = device_resume_noirq(dev, pm_transition, true);
- if (error)
- pm_dev_err(dev, pm_transition, " async", error);
+ struct device *dev = data;
+ __device_resume_noirq(dev, pm_transition, true);
put_device(dev);
}
+static void device_resume_noirq(struct device *dev)
+{
+ if (dpm_async_fn(dev, async_resume_noirq))
+ return;
+
+ __device_resume_noirq(dev, pm_transition, false);
+}
+
static void dpm_noirq_resume_devices(pm_message_t state)
{
struct device *dev;
@@ -701,34 +716,18 @@ static void dpm_noirq_resume_devices(pm_message_t state)
mutex_lock(&dpm_list_mtx);
pm_transition = state;
- /*
- * Advanced the async threads upfront,
- * in case the starting of async threads is
- * delayed by non-async resuming devices.
- */
- list_for_each_entry(dev, &dpm_noirq_list, power.entry)
- dpm_async_fn(dev, async_resume_noirq);
-
while (!list_empty(&dpm_noirq_list)) {
dev = to_device(dpm_noirq_list.next);
get_device(dev);
list_move_tail(&dev->power.entry, &dpm_late_early_list);
+
mutex_unlock(&dpm_list_mtx);
- if (!is_async(dev)) {
- int error;
+ device_resume_noirq(dev);
- error = device_resume_noirq(dev, state, false);
- if (error) {
- suspend_stats.failed_resume_noirq++;
- dpm_save_failed_step(SUSPEND_RESUME_NOIRQ);
- dpm_save_failed_dev(dev_name(dev));
- pm_dev_err(dev, state, " noirq", error);
- }
- }
+ put_device(dev);
mutex_lock(&dpm_list_mtx);
- put_device(dev);
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
@@ -754,14 +753,14 @@ void dpm_resume_noirq(pm_message_t state)
}
/**
- * device_resume_early - Execute an "early resume" callback for given device.
+ * __device_resume_early - Execute an "early resume" callback for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
*
* Runtime PM is disabled for @dev while this function is being executed.
*/
-static int device_resume_early(struct device *dev, pm_message_t state, bool async)
+static void __device_resume_early(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -814,21 +813,31 @@ Out:
pm_runtime_enable(dev);
complete_all(&dev->power.completion);
- return error;
+
+ if (error) {
+ suspend_stats.failed_resume_early++;
+ dpm_save_failed_step(SUSPEND_RESUME_EARLY);
+ dpm_save_failed_dev(dev_name(dev));
+ pm_dev_err(dev, state, async ? " async early" : " early", error);
+ }
}
static void async_resume_early(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
- int error;
-
- error = device_resume_early(dev, pm_transition, true);
- if (error)
- pm_dev_err(dev, pm_transition, " async", error);
+ struct device *dev = data;
+ __device_resume_early(dev, pm_transition, true);
put_device(dev);
}
+static void device_resume_early(struct device *dev)
+{
+ if (dpm_async_fn(dev, async_resume_early))
+ return;
+
+ __device_resume_early(dev, pm_transition, false);
+}
+
/**
* dpm_resume_early - Execute "early resume" callbacks for all devices.
* @state: PM transition of the system being carried out.
@@ -842,33 +851,18 @@ void dpm_resume_early(pm_message_t state)
mutex_lock(&dpm_list_mtx);
pm_transition = state;
- /*
- * Advanced the async threads upfront,
- * in case the starting of async threads is
- * delayed by non-async resuming devices.
- */
- list_for_each_entry(dev, &dpm_late_early_list, power.entry)
- dpm_async_fn(dev, async_resume_early);
-
while (!list_empty(&dpm_late_early_list)) {
dev = to_device(dpm_late_early_list.next);
get_device(dev);
list_move_tail(&dev->power.entry, &dpm_suspended_list);
+
mutex_unlock(&dpm_list_mtx);
- if (!is_async(dev)) {
- int error;
+ device_resume_early(dev);
- error = device_resume_early(dev, state, false);
- if (error) {
- suspend_stats.failed_resume_early++;
- dpm_save_failed_step(SUSPEND_RESUME_EARLY);
- dpm_save_failed_dev(dev_name(dev));
- pm_dev_err(dev, state, " early", error);
- }
- }
- mutex_lock(&dpm_list_mtx);
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
@@ -888,12 +882,12 @@ void dpm_resume_start(pm_message_t state)
EXPORT_SYMBOL_GPL(dpm_resume_start);
/**
- * device_resume - Execute "resume" callbacks for given device.
+ * __device_resume - Execute "resume" callbacks for given device.
* @dev: Device to handle.
* @state: PM transition of the system being carried out.
* @async: If true, the device is being resumed asynchronously.
*/
-static int device_resume(struct device *dev, pm_message_t state, bool async)
+static void __device_resume(struct device *dev, pm_message_t state, bool async)
{
pm_callback_t callback = NULL;
const char *info = NULL;
@@ -975,20 +969,30 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
TRACE_RESUME(error);
- return error;
+ if (error) {
+ suspend_stats.failed_resume++;
+ dpm_save_failed_step(SUSPEND_RESUME);
+ dpm_save_failed_dev(dev_name(dev));
+ pm_dev_err(dev, state, async ? " async" : "", error);
+ }
}
static void async_resume(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
- int error;
+ struct device *dev = data;
- error = device_resume(dev, pm_transition, true);
- if (error)
- pm_dev_err(dev, pm_transition, " async", error);
+ __device_resume(dev, pm_transition, true);
put_device(dev);
}
+static void device_resume(struct device *dev)
+{
+ if (dpm_async_fn(dev, async_resume))
+ return;
+
+ __device_resume(dev, pm_transition, false);
+}
+
/**
* dpm_resume - Execute "resume" callbacks for non-sysdev devices.
* @state: PM transition of the system being carried out.
@@ -1008,30 +1012,25 @@ void dpm_resume(pm_message_t state)
pm_transition = state;
async_error = 0;
- list_for_each_entry(dev, &dpm_suspended_list, power.entry)
- dpm_async_fn(dev, async_resume);
-
while (!list_empty(&dpm_suspended_list)) {
dev = to_device(dpm_suspended_list.next);
+
get_device(dev);
- if (!is_async(dev)) {
- int error;
- mutex_unlock(&dpm_list_mtx);
+ mutex_unlock(&dpm_list_mtx);
- error = device_resume(dev, state, false);
- if (error) {
- suspend_stats.failed_resume++;
- dpm_save_failed_step(SUSPEND_RESUME);
- dpm_save_failed_dev(dev_name(dev));
- pm_dev_err(dev, state, "", error);
- }
+ device_resume(dev);
+
+ mutex_lock(&dpm_list_mtx);
- mutex_lock(&dpm_list_mtx);
- }
if (!list_empty(&dev->power.entry))
list_move_tail(&dev->power.entry, &dpm_prepared_list);
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
@@ -1109,14 +1108,16 @@ void dpm_complete(pm_message_t state)
get_device(dev);
dev->power.is_prepared = false;
list_move(&dev->power.entry, &list);
+
mutex_unlock(&dpm_list_mtx);
trace_device_pm_callback_start(dev, "", state.event);
device_complete(dev, state);
trace_device_pm_callback_end(dev, 0);
- mutex_lock(&dpm_list_mtx);
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
list_splice(&list, &dpm_list);
mutex_unlock(&dpm_list_mtx);
@@ -1262,7 +1263,7 @@ Complete:
static void async_suspend_noirq(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
+ struct device *dev = data;
int error;
error = __device_suspend_noirq(dev, pm_transition, true);
@@ -1301,17 +1302,21 @@ static int dpm_noirq_suspend_devices(pm_message_t state)
error = device_suspend_noirq(dev);
mutex_lock(&dpm_list_mtx);
+
if (error) {
pm_dev_err(dev, state, " noirq", error);
dpm_save_failed_dev(dev_name(dev));
- put_device(dev);
- break;
- }
- if (!list_empty(&dev->power.entry))
+ } else if (!list_empty(&dev->power.entry)) {
list_move(&dev->power.entry, &dpm_noirq_list);
+ }
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
- if (async_error)
+ mutex_lock(&dpm_list_mtx);
+
+ if (error || async_error)
break;
}
mutex_unlock(&dpm_list_mtx);
@@ -1441,7 +1446,7 @@ Complete:
static void async_suspend_late(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
+ struct device *dev = data;
int error;
error = __device_suspend_late(dev, pm_transition, true);
@@ -1478,23 +1483,28 @@ int dpm_suspend_late(pm_message_t state)
struct device *dev = to_device(dpm_suspended_list.prev);
get_device(dev);
+
mutex_unlock(&dpm_list_mtx);
error = device_suspend_late(dev);
mutex_lock(&dpm_list_mtx);
+
if (!list_empty(&dev->power.entry))
list_move(&dev->power.entry, &dpm_late_early_list);
if (error) {
pm_dev_err(dev, state, " late", error);
dpm_save_failed_dev(dev_name(dev));
- put_device(dev);
- break;
}
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
- if (async_error)
+ mutex_lock(&dpm_list_mtx);
+
+ if (error || async_error)
break;
}
mutex_unlock(&dpm_list_mtx);
@@ -1712,7 +1722,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
static void async_suspend(void *data, async_cookie_t cookie)
{
- struct device *dev = (struct device *)data;
+ struct device *dev = data;
int error;
error = __device_suspend(dev, pm_transition, true);
@@ -1754,21 +1764,27 @@ int dpm_suspend(pm_message_t state)
struct device *dev = to_device(dpm_prepared_list.prev);
get_device(dev);
+
mutex_unlock(&dpm_list_mtx);
error = device_suspend(dev);
mutex_lock(&dpm_list_mtx);
+
if (error) {
pm_dev_err(dev, state, "", error);
dpm_save_failed_dev(dev_name(dev));
- put_device(dev);
- break;
- }
- if (!list_empty(&dev->power.entry))
+ } else if (!list_empty(&dev->power.entry)) {
list_move(&dev->power.entry, &dpm_suspended_list);
+ }
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
- if (async_error)
+
+ mutex_lock(&dpm_list_mtx);
+
+ if (error || async_error)
break;
}
mutex_unlock(&dpm_list_mtx);
@@ -1881,10 +1897,11 @@ int dpm_prepare(pm_message_t state)
device_block_probing();
mutex_lock(&dpm_list_mtx);
- while (!list_empty(&dpm_list)) {
+ while (!list_empty(&dpm_list) && !error) {
struct device *dev = to_device(dpm_list.next);
get_device(dev);
+
mutex_unlock(&dpm_list_mtx);
trace_device_pm_callback_start(dev, "", state.event);
@@ -1892,21 +1909,23 @@ int dpm_prepare(pm_message_t state)
trace_device_pm_callback_end(dev, error);
mutex_lock(&dpm_list_mtx);
- if (error) {
- if (error == -EAGAIN) {
- put_device(dev);
- error = 0;
- continue;
- }
- pr_info("Device %s not prepared for power transition: code %d\n",
- dev_name(dev), error);
- put_device(dev);
- break;
+
+ if (!error) {
+ dev->power.is_prepared = true;
+ if (!list_empty(&dev->power.entry))
+ list_move_tail(&dev->power.entry, &dpm_prepared_list);
+ } else if (error == -EAGAIN) {
+ error = 0;
+ } else {
+ dev_info(dev, "not prepared for power transition: code %d\n",
+ error);
}
- dev->power.is_prepared = true;
- if (!list_empty(&dev->power.entry))
- list_move_tail(&dev->power.entry, &dpm_prepared_list);
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
trace_suspend_resume(TPS("dpm_prepare"), state.event, false);
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index fbbc3ed14..f5c9e6629 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1479,6 +1479,28 @@ void pm_runtime_enable(struct device *dev)
}
EXPORT_SYMBOL_GPL(pm_runtime_enable);
+static void pm_runtime_disable_action(void *data)
+{
+ pm_runtime_dont_use_autosuspend(data);
+ pm_runtime_disable(data);
+}
+
+/**
+ * devm_pm_runtime_enable - devres-enabled version of pm_runtime_enable.
+ *
+ * NOTE: this will also handle calling pm_runtime_dont_use_autosuspend() for
+ * you at driver exit time if needed.
+ *
+ * @dev: Device to handle.
+ */
+int devm_pm_runtime_enable(struct device *dev)
+{
+ pm_runtime_enable(dev);
+
+ return devm_add_action_or_reset(dev, pm_runtime_disable_action, dev);
+}
+EXPORT_SYMBOL_GPL(devm_pm_runtime_enable);
+
/**
* pm_runtime_forbid - Block runtime PM of a device.
* @dev: Device to handle.
diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c
index aea690c64..4f4310724 100644
--- a/drivers/base/power/wakeirq.c
+++ b/drivers/base/power/wakeirq.c
@@ -365,8 +365,10 @@ void dev_pm_enable_wake_irq_complete(struct device *dev)
return;
if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED &&
- wirq->status & WAKE_IRQ_DEDICATED_REVERSE)
+ wirq->status & WAKE_IRQ_DEDICATED_REVERSE) {
enable_irq(wirq->irq);
+ wirq->status |= WAKE_IRQ_DEDICATED_ENABLED;
+ }
}
/**
diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 0097696c3..2720d8d7b 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -104,6 +104,10 @@ struct regmap {
int (*reg_write)(void *context, unsigned int reg, unsigned int val);
int (*reg_update_bits)(void *context, unsigned int reg,
unsigned int mask, unsigned int val);
+ /* Bulk read/write */
+ int (*read)(void *context, const void *reg_buf, size_t reg_size,
+ void *val_buf, size_t val_size);
+ int (*write)(void *context, const void *data, size_t count);
bool defer_caching;
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 7bc603145..a3c408660 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -800,12 +800,15 @@ struct regmap *__regmap_init(struct device *dev,
map->reg_stride_order = ilog2(map->reg_stride);
else
map->reg_stride_order = -1;
- map->use_single_read = config->use_single_read || !bus || !bus->read;
- map->use_single_write = config->use_single_write || !bus || !bus->write;
- map->can_multi_write = config->can_multi_write && bus && bus->write;
+ map->use_single_read = config->use_single_read || !(config->read || (bus && bus->read));
+ map->use_single_write = config->use_single_write || !(config->write || (bus && bus->write));
+ map->can_multi_write = config->can_multi_write && (config->write || (bus && bus->write));
if (bus) {
map->max_raw_read = bus->max_raw_read;
map->max_raw_write = bus->max_raw_write;
+ } else if (config->max_raw_read && config->max_raw_write) {
+ map->max_raw_read = config->max_raw_read;
+ map->max_raw_write = config->max_raw_write;
}
map->dev = dev;
map->bus = bus;
@@ -839,9 +842,19 @@ struct regmap *__regmap_init(struct device *dev,
map->read_flag_mask = bus->read_flag_mask;
}
- if (!bus) {
+ if (config && config->read && config->write) {
+ map->reg_read = _regmap_bus_read;
+
+ /* Bulk read/write */
+ map->read = config->read;
+ map->write = config->write;
+
+ reg_endian = REGMAP_ENDIAN_NATIVE;
+ val_endian = REGMAP_ENDIAN_NATIVE;
+ } else if (!bus) {
map->reg_read = config->reg_read;
map->reg_write = config->reg_write;
+ map->reg_update_bits = config->reg_update_bits;
map->defer_caching = false;
goto skip_format_initialization;
@@ -855,10 +868,13 @@ struct regmap *__regmap_init(struct device *dev,
} else {
map->reg_read = _regmap_bus_read;
map->reg_update_bits = bus->reg_update_bits;
- }
+ /* Bulk read/write */
+ map->read = bus->read;
+ map->write = bus->write;
- reg_endian = regmap_get_reg_endian(bus, config);
- val_endian = regmap_get_val_endian(dev, bus, config);
+ reg_endian = regmap_get_reg_endian(bus, config);
+ val_endian = regmap_get_val_endian(dev, bus, config);
+ }
switch (config->reg_bits + map->reg_shift) {
case 2:
@@ -1627,8 +1643,6 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
size_t len;
int i;
- WARN_ON(!map->bus);
-
/* Check for unwritable or noinc registers in range
* before we start
*/
@@ -1710,7 +1724,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
val = work_val;
}
- if (map->async && map->bus->async_write) {
+ if (map->async && map->bus && map->bus->async_write) {
struct regmap_async *async;
trace_regmap_async_write_start(map, reg, val_len);
@@ -1778,11 +1792,11 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
* write.
*/
if (val == work_val)
- ret = map->bus->write(map->bus_context, map->work_buf,
- map->format.reg_bytes +
- map->format.pad_bytes +
- val_len);
- else if (map->bus->gather_write)
+ ret = map->write(map->bus_context, map->work_buf,
+ map->format.reg_bytes +
+ map->format.pad_bytes +
+ val_len);
+ else if (map->bus && map->bus->gather_write)
ret = map->bus->gather_write(map->bus_context, map->work_buf,
map->format.reg_bytes +
map->format.pad_bytes,
@@ -1800,7 +1814,7 @@ static int _regmap_raw_write_impl(struct regmap *map, unsigned int reg,
memcpy(buf, map->work_buf, map->format.reg_bytes);
memcpy(buf + map->format.reg_bytes + map->format.pad_bytes,
val, val_len);
- ret = map->bus->write(map->bus_context, buf, len);
+ ret = map->write(map->bus_context, buf, len);
kfree(buf);
} else if (ret != 0 && !map->cache_bypass && map->format.parse_val) {
@@ -1857,7 +1871,7 @@ static int _regmap_bus_formatted_write(void *context, unsigned int reg,
struct regmap_range_node *range;
struct regmap *map = context;
- WARN_ON(!map->bus || !map->format.format_write);
+ WARN_ON(!map->format.format_write);
range = _regmap_range_lookup(map, reg);
if (range) {
@@ -1870,8 +1884,7 @@ static int _regmap_bus_formatted_write(void *context, unsigned int reg,
trace_regmap_hw_write_start(map, reg, 1);
- ret = map->bus->write(map->bus_context, map->work_buf,
- map->format.buf_size);
+ ret = map->write(map->bus_context, map->work_buf, map->format.buf_size);
trace_regmap_hw_write_done(map, reg, 1);
@@ -1891,7 +1904,7 @@ static int _regmap_bus_raw_write(void *context, unsigned int reg,
{
struct regmap *map = context;
- WARN_ON(!map->bus || !map->format.format_val);
+ WARN_ON(!map->format.format_val);
map->format.format_val(map->work_buf + map->format.reg_bytes
+ map->format.pad_bytes, val, 0);
@@ -1905,7 +1918,7 @@ static int _regmap_bus_raw_write(void *context, unsigned int reg,
static inline void *_regmap_map_get_context(struct regmap *map)
{
- return (map->bus) ? map : map->bus_context;
+ return (map->bus || (!map->bus && map->read)) ? map : map->bus_context;
}
int _regmap_write(struct regmap *map, unsigned int reg,
@@ -2312,7 +2325,7 @@ static int _regmap_raw_multi_reg_write(struct regmap *map,
u8 = buf;
*u8 |= map->write_flag_mask;
- ret = map->bus->write(map->bus_context, buf, len);
+ ret = map->write(map->bus_context, buf, len);
kfree(buf);
@@ -2618,9 +2631,7 @@ static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
struct regmap_range_node *range;
int ret;
- WARN_ON(!map->bus);
-
- if (!map->bus || !map->bus->read)
+ if (!map->read)
return -EINVAL;
range = _regmap_range_lookup(map, reg);
@@ -2636,9 +2647,9 @@ static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
map->read_flag_mask);
trace_regmap_hw_read_start(map, reg, val_len / map->format.val_bytes);
- ret = map->bus->read(map->bus_context, map->work_buf,
- map->format.reg_bytes + map->format.pad_bytes,
- val, val_len);
+ ret = map->read(map->bus_context, map->work_buf,
+ map->format.reg_bytes + map->format.pad_bytes,
+ val, val_len);
trace_regmap_hw_read_done(map, reg, val_len / map->format.val_bytes);
@@ -2749,8 +2760,6 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
unsigned int v;
int ret, i;
- if (!map->bus)
- return -EINVAL;
if (val_len % map->format.val_bytes)
return -EINVAL;
if (!IS_ALIGNED(reg, map->reg_stride))
@@ -2765,7 +2774,7 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
size_t chunk_count, chunk_bytes;
size_t chunk_regs = val_count;
- if (!map->bus->read) {
+ if (!map->read) {
ret = -ENOTSUPP;
goto out;
}
@@ -2825,7 +2834,7 @@ EXPORT_SYMBOL_GPL(regmap_raw_read);
* @val: Pointer to data buffer
* @val_len: Length of output buffer in bytes.
*
- * The regmap API usually assumes that bulk bus read operations will read a
+ * The regmap API usually assumes that bulk read operations will read a
* range of registers. Some devices have certain registers for which a read
* operation read will read from an internal FIFO.
*
@@ -2843,10 +2852,6 @@ int regmap_noinc_read(struct regmap *map, unsigned int reg,
size_t read_len;
int ret;
- if (!map->bus)
- return -EINVAL;
- if (!map->bus->read)
- return -ENOTSUPP;
if (val_len % map->format.val_bytes)
return -EINVAL;
if (!IS_ALIGNED(reg, map->reg_stride))
@@ -2960,7 +2965,7 @@ int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
if (val_count == 0)
return -EINVAL;
- if (map->bus && map->format.parse_inplace && (vol || map->cache_type == REGCACHE_NONE)) {
+ if (map->format.parse_inplace && (vol || map->cache_type == REGCACHE_NONE)) {
ret = regmap_raw_read(map, reg, val, val_bytes * val_count);
if (ret != 0)
return ret;
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 313f0b946..c805909c8 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -420,13 +420,16 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff_head *qu
rcu_read_lock();
for_each_netdev_rcu(&init_net, ifp) {
dev_hold(ifp);
- if (!is_aoe_netif(ifp))
- goto cont;
+ if (!is_aoe_netif(ifp)) {
+ dev_put(ifp);
+ continue;
+ }
skb = new_skb(sizeof *h + sizeof *ch);
if (skb == NULL) {
printk(KERN_INFO "aoe: skb alloc failure\n");
- goto cont;
+ dev_put(ifp);
+ continue;
}
skb_put(skb, sizeof *h + sizeof *ch);
skb->dev = ifp;
@@ -441,9 +444,6 @@ aoecmd_cfg_pkts(ushort aoemajor, unsigned char aoeminor, struct sk_buff_head *qu
h->major = cpu_to_be16(aoemajor);
h->minor = aoeminor;
h->cmd = AOECMD_CFG;
-
-cont:
- dev_put(ifp);
}
rcu_read_unlock();
}
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c
index 63773a905..1e66c7a18 100644
--- a/drivers/block/aoe/aoenet.c
+++ b/drivers/block/aoe/aoenet.c
@@ -64,6 +64,7 @@ tx(int id) __must_hold(&txlock)
pr_warn("aoe: packet could not be sent on %s. %s\n",
ifp ? ifp->name : "netif",
"consider increasing tx_queue_len");
+ dev_put(ifp);
spin_lock_irq(&txlock);
}
return 0;
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 3e881fdb0..224450c90 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -456,10 +456,20 @@ static DEFINE_TIMER(fd_timer, check_change);
static void fd_end_request_cur(blk_status_t err)
{
+ DPRINT(("fd_end_request_cur(), bytes %d of %d\n",
+ blk_rq_cur_bytes(fd_request),
+ blk_rq_bytes(fd_request)));
+
if (!blk_update_request(fd_request, err,
blk_rq_cur_bytes(fd_request))) {
+ DPRINT(("calling __blk_mq_end_request()\n"));
__blk_mq_end_request(fd_request, err);
fd_request = NULL;
+ } else {
+ /* requeue rest of request */
+ DPRINT(("calling blk_mq_requeue_request()\n"));
+ blk_mq_requeue_request(fd_request, true);
+ fd_request = NULL;
}
}
@@ -653,9 +663,6 @@ static inline void copy_buffer(void *from, void *to)
*p2++ = *p1++;
}
-
-
-
/* General Interrupt Handling */
static void (*FloppyIRQHandler)( int status ) = NULL;
@@ -700,12 +707,21 @@ static void fd_error( void )
if (fd_request->error_count >= MAX_ERRORS) {
printk(KERN_ERR "fd%d: too many errors.\n", SelectedDrive );
fd_end_request_cur(BLK_STS_IOERR);
+ finish_fdc();
+ return;
}
else if (fd_request->error_count == RECALIBRATE_ERRORS) {
printk(KERN_WARNING "fd%d: recalibrating\n", SelectedDrive );
if (SelectedDrive != -1)
SUD.track = -1;
}
+ /* need to re-run request to recalibrate */
+ atari_disable_irq( IRQ_MFP_FDC );
+
+ setup_req_params( SelectedDrive );
+ do_fd_action( SelectedDrive );
+
+ atari_enable_irq( IRQ_MFP_FDC );
}
@@ -740,6 +756,7 @@ static int do_format(int drive, int type, struct atari_format_descr *desc)
if (type) {
if (--type >= NUM_DISK_MINORS ||
minor2disktype[type].drive_types > DriveType) {
+ finish_fdc();
ret = -EINVAL;
goto out;
}
@@ -748,6 +765,7 @@ static int do_format(int drive, int type, struct atari_format_descr *desc)
}
if (!UDT || desc->track >= UDT->blocks/UDT->spt/2 || desc->head >= 2) {
+ finish_fdc();
ret = -EINVAL;
goto out;
}
@@ -788,6 +806,7 @@ static int do_format(int drive, int type, struct atari_format_descr *desc)
wait_for_completion(&format_wait);
+ finish_fdc();
ret = FormatError ? -EIO : 0;
out:
blk_mq_unquiesce_queue(q);
@@ -822,6 +841,7 @@ static void do_fd_action( int drive )
else {
/* all sectors finished */
fd_end_request_cur(BLK_STS_OK);
+ finish_fdc();
return;
}
}
@@ -1226,6 +1246,7 @@ static void fd_rwsec_done1(int status)
else {
/* all sectors finished */
fd_end_request_cur(BLK_STS_OK);
+ finish_fdc();
}
return;
@@ -1347,7 +1368,7 @@ static void fd_times_out(struct timer_list *unused)
static void finish_fdc( void )
{
- if (!NeedSeek) {
+ if (!NeedSeek || !stdma_is_locked_by(floppy_irq)) {
finish_fdc_done( 0 );
}
else {
@@ -1382,7 +1403,8 @@ static void finish_fdc_done( int dummy )
start_motor_off_timer();
local_irq_save(flags);
- stdma_release();
+ if (stdma_is_locked_by(floppy_irq))
+ stdma_release();
local_irq_restore(flags);
DPRINT(("finish_fdc() finished\n"));
@@ -1472,15 +1494,6 @@ static void setup_req_params( int drive )
ReqTrack, ReqSector, (unsigned long)ReqData ));
}
-static void ataflop_commit_rqs(struct blk_mq_hw_ctx *hctx)
-{
- spin_lock_irq(&ataflop_lock);
- atari_disable_irq(IRQ_MFP_FDC);
- finish_fdc();
- atari_enable_irq(IRQ_MFP_FDC);
- spin_unlock_irq(&ataflop_lock);
-}
-
static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
@@ -1488,6 +1501,10 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
int drive = floppy - unit;
int type = floppy->type;
+ DPRINT(("Queue request: drive %d type %d sectors %d of %d last %d\n",
+ drive, type, blk_rq_cur_sectors(bd->rq),
+ blk_rq_sectors(bd->rq), bd->last));
+
spin_lock_irq(&ataflop_lock);
if (fd_request) {
spin_unlock_irq(&ataflop_lock);
@@ -1508,6 +1525,7 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
/* drive not connected */
printk(KERN_ERR "Unknown Device: fd%d\n", drive );
fd_end_request_cur(BLK_STS_IOERR);
+ stdma_release();
goto out;
}
@@ -1524,11 +1542,13 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
if (--type >= NUM_DISK_MINORS) {
printk(KERN_WARNING "fd%d: invalid disk format", drive );
fd_end_request_cur(BLK_STS_IOERR);
+ stdma_release();
goto out;
}
if (minor2disktype[type].drive_types > DriveType) {
printk(KERN_WARNING "fd%d: unsupported disk format", drive );
fd_end_request_cur(BLK_STS_IOERR);
+ stdma_release();
goto out;
}
type = minor2disktype[type].index;
@@ -1547,8 +1567,6 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
setup_req_params( drive );
do_fd_action( drive );
- if (bd->last)
- finish_fdc();
atari_enable_irq( IRQ_MFP_FDC );
out:
@@ -1631,6 +1649,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
/* what if type > 0 here? Overwrite specified entry ? */
if (type) {
/* refuse to re-set a predefined type for now */
+ finish_fdc();
return -EINVAL;
}
@@ -1698,8 +1717,10 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode,
/* sanity check */
if (setprm.track != dtp->blocks/dtp->spt/2 ||
- setprm.head != 2)
+ setprm.head != 2) {
+ finish_fdc();
return -EINVAL;
+ }
UDT = dtp;
set_capacity(floppy->disk, UDT->blocks);
@@ -1959,7 +1980,6 @@ static const struct block_device_operations floppy_fops = {
static const struct blk_mq_ops ataflop_mq_ops = {
.queue_rq = ataflop_queue_rq,
- .commit_rqs = ataflop_commit_rqs,
};
static struct kobject *floppy_find(dev_t dev, int *part, void *data)
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index e0f805ca0..d6e3edb40 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -2339,6 +2339,12 @@ static int nbd_genl_status(struct sk_buff *skb, struct genl_info *info)
}
dev_list = nla_nest_start_noflag(reply, NBD_ATTR_DEVICE_LIST);
+ if (!dev_list) {
+ nlmsg_free(reply);
+ ret = -EMSGSIZE;
+ goto out;
+ }
+
if (index == -1) {
ret = idr_for_each(&nbd_index_idr, &status_cb, reply);
if (ret) {
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index b0f793052..5b102d333 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -3517,14 +3517,15 @@ static bool rbd_lock_add_request(struct rbd_img_request *img_req)
static void rbd_lock_del_request(struct rbd_img_request *img_req)
{
struct rbd_device *rbd_dev = img_req->rbd_dev;
- bool need_wakeup;
+ bool need_wakeup = false;
lockdep_assert_held(&rbd_dev->lock_rwsem);
spin_lock(&rbd_dev->lock_lists_lock);
- rbd_assert(!list_empty(&img_req->lock_item));
- list_del_init(&img_req->lock_item);
- need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING &&
- list_empty(&rbd_dev->running_list));
+ if (!list_empty(&img_req->lock_item)) {
+ list_del_init(&img_req->lock_item);
+ need_wakeup = (rbd_dev->lock_state == RBD_LOCK_STATE_RELEASING &&
+ list_empty(&rbd_dev->running_list));
+ }
spin_unlock(&rbd_dev->lock_lists_lock);
if (need_wakeup)
complete(&rbd_dev->releasing_wait);
@@ -3907,14 +3908,19 @@ static void wake_lock_waiters(struct rbd_device *rbd_dev, int result)
return;
}
- list_for_each_entry(img_req, &rbd_dev->acquiring_list, lock_item) {
+ while (!list_empty(&rbd_dev->acquiring_list)) {
+ img_req = list_first_entry(&rbd_dev->acquiring_list,
+ struct rbd_img_request, lock_item);
mutex_lock(&img_req->state_mutex);
rbd_assert(img_req->state == RBD_IMG_EXCLUSIVE_LOCK);
+ if (!result)
+ list_move_tail(&img_req->lock_item,
+ &rbd_dev->running_list);
+ else
+ list_del_init(&img_req->lock_item);
rbd_img_schedule(img_req, result);
mutex_unlock(&img_req->state_mutex);
}
-
- list_splice_tail_init(&rbd_dev->acquiring_list, &rbd_dev->running_list);
}
static bool locker_equal(const struct ceph_locker *lhs,
diff --git a/drivers/block/rnbd/rnbd-srv.c b/drivers/block/rnbd/rnbd-srv.c
index e1bc8b4cd..9c5d52335 100644
--- a/drivers/block/rnbd/rnbd-srv.c
+++ b/drivers/block/rnbd/rnbd-srv.c
@@ -591,6 +591,7 @@ static char *rnbd_srv_get_full_path(struct rnbd_srv_session *srv_sess,
{
char *full_path;
char *a, *b;
+ int len;
full_path = kmalloc(PATH_MAX, GFP_KERNEL);
if (!full_path)
@@ -602,19 +603,19 @@ static char *rnbd_srv_get_full_path(struct rnbd_srv_session *srv_sess,
*/
a = strnstr(dev_search_path, "%SESSNAME%", sizeof(dev_search_path));
if (a) {
- int len = a - dev_search_path;
+ len = a - dev_search_path;
len = snprintf(full_path, PATH_MAX, "%.*s/%s/%s", len,
dev_search_path, srv_sess->sessname, dev_name);
- if (len >= PATH_MAX) {
- pr_err("Too long path: %s, %s, %s\n",
- dev_search_path, srv_sess->sessname, dev_name);
- kfree(full_path);
- return ERR_PTR(-EINVAL);
- }
} else {
- snprintf(full_path, PATH_MAX, "%s/%s",
- dev_search_path, dev_name);
+ len = snprintf(full_path, PATH_MAX, "%s/%s",
+ dev_search_path, dev_name);
+ }
+ if (len >= PATH_MAX) {
+ pr_err("Too long path: %s, %s, %s\n",
+ dev_search_path, srv_sess->sessname, dev_name);
+ kfree(full_path);
+ return ERR_PTR(-EINVAL);
}
/* eliminitate duplicated slashes */
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 9b54eec9b..7eae3f373 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -952,14 +952,15 @@ static int virtblk_freeze(struct virtio_device *vdev)
{
struct virtio_blk *vblk = vdev->priv;
+ /* Ensure no requests in virtqueues before deleting vqs. */
+ blk_mq_freeze_queue(vblk->disk->queue);
+
/* Ensure we don't receive any more interrupts */
vdev->config->reset(vdev);
/* Make sure no work handler is accessing the device. */
flush_work(&vblk->config_work);
- blk_mq_quiesce_queue(vblk->disk->queue);
-
vdev->config->del_vqs(vdev);
kfree(vblk->vqs);
@@ -977,7 +978,7 @@ static int virtblk_restore(struct virtio_device *vdev)
virtio_device_ready(vdev);
- blk_mq_unquiesce_queue(vblk->disk->queue);
+ blk_mq_unfreeze_queue(vblk->disk->queue);
return 0;
}
#endif
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c
index 88ce5f0ff..2538bdee3 100644
--- a/drivers/bluetooth/btintel.c
+++ b/drivers/bluetooth/btintel.c
@@ -350,7 +350,7 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver)
return PTR_ERR(skb);
}
- if (skb->len != sizeof(*ver)) {
+ if (!skb || skb->len != sizeof(*ver)) {
bt_dev_err(hdev, "Intel version event size mismatch");
kfree_skb(skb);
return -EILSEQ;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index a1a8b282b..b2836e8ef 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -418,6 +418,8 @@ static const struct usb_device_id blacklist_table[] = {
/* Realtek 8852BE Bluetooth devices */
{ USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
+ { USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK |
+ BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK |
BTUSB_WIDEBAND_SPEECH },
{ USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK |
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index bc0850d3f..6e0c0762f 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -1814,6 +1814,7 @@ static const struct qca_device_data qca_soc_data_wcn3998 = {
static const struct qca_device_data qca_soc_data_qca6390 = {
.soc_type = QCA_QCA6390,
.num_vregs = 0,
+ .capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
};
static void qca_power_shutdown(struct hci_uart *hu)
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index 0c262c2ae..01f2349db 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -176,11 +176,12 @@ config SUNXI_RSB
config TEGRA_ACONNECT
tristate "Tegra ACONNECT Bus Driver"
- depends on ARCH_TEGRA_210_SOC
+ depends on ARCH_TEGRA
depends on OF && PM
help
Driver for the Tegra ACONNECT bus which is used to interface with
- the devices inside the Audio Processing Engine (APE) for Tegra210.
+ the devices inside the Audio Processing Engine (APE) for
+ Tegra210 and later.
config TEGRA_GMI
tristate "Tegra Generic Memory Interface bus driver"
diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c
index 614dd287c..49c0f5ad0 100644
--- a/drivers/bus/mhi/host/main.c
+++ b/drivers/bus/mhi/host/main.c
@@ -569,6 +569,8 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
mhi_del_ring_element(mhi_cntrl, tre_ring);
local_rp = tre_ring->rp;
+ read_unlock_bh(&mhi_chan->lock);
+
/* notify client */
mhi_chan->xfer_cb(mhi_chan->mhi_dev, &result);
@@ -591,6 +593,8 @@ static int parse_xfer_event(struct mhi_controller *mhi_cntrl,
kfree(buf_info->cb_buf);
}
}
+
+ read_lock_bh(&mhi_chan->lock);
}
break;
} /* CC_EOT */
diff --git a/drivers/bus/moxtet.c b/drivers/bus/moxtet.c
index b20fdcbd0..34377195b 100644
--- a/drivers/bus/moxtet.c
+++ b/drivers/bus/moxtet.c
@@ -832,6 +832,12 @@ static int moxtet_remove(struct spi_device *spi)
return 0;
}
+static const struct spi_device_id moxtet_spi_ids[] = {
+ { "moxtet" },
+ { },
+};
+MODULE_DEVICE_TABLE(spi, moxtet_spi_ids);
+
static const struct of_device_id moxtet_dt_ids[] = {
{ .compatible = "cznic,moxtet" },
{},
@@ -843,6 +849,7 @@ static struct spi_driver moxtet_spi_driver = {
.name = "moxtet",
.of_match_table = moxtet_dt_ids,
},
+ .id_table = moxtet_spi_ids,
.probe = moxtet_probe,
.remove = moxtet_remove,
};
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 5749998fe..6e2c1ba18 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -24,10 +24,13 @@
#include <linux/random.h>
#include <linux/sched.h>
#include <linux/slab.h>
+#include <linux/string.h>
#include <linux/uaccess.h>
#define RNG_MODULE_NAME "hw_random"
+#define RNG_BUFFER_SIZE (SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES)
+
static struct hwrng *current_rng;
/* the current rng has been explicitly chosen by user via sysfs */
static int cur_rng_set_by_user;
@@ -59,7 +62,7 @@ static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
static size_t rng_buffer_size(void)
{
- return SMP_CACHE_BYTES < 32 ? 32 : SMP_CACHE_BYTES;
+ return RNG_BUFFER_SIZE;
}
static void add_early_randomness(struct hwrng *rng)
@@ -206,6 +209,7 @@ static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
static ssize_t rng_dev_read(struct file *filp, char __user *buf,
size_t size, loff_t *offp)
{
+ u8 buffer[RNG_BUFFER_SIZE];
ssize_t ret = 0;
int err = 0;
int bytes_read, len;
@@ -233,34 +237,37 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
if (bytes_read < 0) {
err = bytes_read;
goto out_unlock_reading;
+ } else if (bytes_read == 0 &&
+ (filp->f_flags & O_NONBLOCK)) {
+ err = -EAGAIN;
+ goto out_unlock_reading;
}
+
data_avail = bytes_read;
}
- if (!data_avail) {
- if (filp->f_flags & O_NONBLOCK) {
- err = -EAGAIN;
- goto out_unlock_reading;
- }
- } else {
- len = data_avail;
+ len = data_avail;
+ if (len) {
if (len > size)
len = size;
data_avail -= len;
- if (copy_to_user(buf + ret, rng_buffer + data_avail,
- len)) {
+ memcpy(buffer, rng_buffer + data_avail, len);
+ }
+ mutex_unlock(&reading_mutex);
+ put_rng(rng);
+
+ if (len) {
+ if (copy_to_user(buf + ret, buffer, len)) {
err = -EFAULT;
- goto out_unlock_reading;
+ goto out;
}
size -= len;
ret += len;
}
- mutex_unlock(&reading_mutex);
- put_rng(rng);
if (need_resched())
schedule_timeout_interruptible(1);
@@ -271,6 +278,7 @@ static ssize_t rng_dev_read(struct file *filp, char __user *buf,
}
}
out:
+ memzero_explicit(buffer, sizeof(buffer));
return ret ? : err;
out_unlock_reading:
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 62572d59e..a0927c7f8 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -37,7 +37,11 @@ static HLIST_HEAD(clk_root_list);
static HLIST_HEAD(clk_orphan_list);
static LIST_HEAD(clk_notifier_list);
-static struct hlist_head *all_lists[] = {
+/* List of registered clks that use runtime PM */
+static HLIST_HEAD(clk_rpm_list);
+static DEFINE_MUTEX(clk_rpm_list_lock);
+
+static const struct hlist_head *all_lists[] = {
&clk_root_list,
&clk_orphan_list,
NULL,
@@ -59,6 +63,7 @@ struct clk_core {
struct clk_hw *hw;
struct module *owner;
struct device *dev;
+ struct hlist_node rpm_node;
struct device_node *of_node;
struct clk_core *parent;
struct clk_parent_map *parents;
@@ -129,6 +134,89 @@ static void clk_pm_runtime_put(struct clk_core *core)
pm_runtime_put_sync(core->dev);
}
+/**
+ * clk_pm_runtime_get_all() - Runtime "get" all clk provider devices
+ *
+ * Call clk_pm_runtime_get() on all runtime PM enabled clks in the clk tree so
+ * that disabling unused clks avoids a deadlock where a device is runtime PM
+ * resuming/suspending and the runtime PM callback is trying to grab the
+ * prepare_lock for something like clk_prepare_enable() while
+ * clk_disable_unused_subtree() holds the prepare_lock and is trying to runtime
+ * PM resume/suspend the device as well.
+ *
+ * Context: Acquires the 'clk_rpm_list_lock' and returns with the lock held on
+ * success. Otherwise the lock is released on failure.
+ *
+ * Return: 0 on success, negative errno otherwise.
+ */
+static int clk_pm_runtime_get_all(void)
+{
+ int ret;
+ struct clk_core *core, *failed;
+
+ /*
+ * Grab the list lock to prevent any new clks from being registered
+ * or unregistered until clk_pm_runtime_put_all().
+ */
+ mutex_lock(&clk_rpm_list_lock);
+
+ /*
+ * Runtime PM "get" all the devices that are needed for the clks
+ * currently registered. Do this without holding the prepare_lock, to
+ * avoid the deadlock.
+ */
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node) {
+ ret = clk_pm_runtime_get(core);
+ if (ret) {
+ failed = core;
+ pr_err("clk: Failed to runtime PM get '%s' for clk '%s'\n",
+ dev_name(failed->dev), failed->name);
+ goto err;
+ }
+ }
+
+ return 0;
+
+err:
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node) {
+ if (core == failed)
+ break;
+
+ clk_pm_runtime_put(core);
+ }
+ mutex_unlock(&clk_rpm_list_lock);
+
+ return ret;
+}
+
+/**
+ * clk_pm_runtime_put_all() - Runtime "put" all clk provider devices
+ *
+ * Put the runtime PM references taken in clk_pm_runtime_get_all() and release
+ * the 'clk_rpm_list_lock'.
+ */
+static void clk_pm_runtime_put_all(void)
+{
+ struct clk_core *core;
+
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node)
+ clk_pm_runtime_put(core);
+ mutex_unlock(&clk_rpm_list_lock);
+}
+
+static void clk_pm_runtime_init(struct clk_core *core)
+{
+ struct device *dev = core->dev;
+
+ if (dev && pm_runtime_enabled(dev)) {
+ core->rpm_enabled = true;
+
+ mutex_lock(&clk_rpm_list_lock);
+ hlist_add_head(&core->rpm_node, &clk_rpm_list);
+ mutex_unlock(&clk_rpm_list_lock);
+ }
+}
+
/*** locking ***/
static void clk_prepare_lock(void)
{
@@ -425,6 +513,9 @@ static struct clk_core *clk_core_get(struct clk_core *core, u8 p_index)
if (IS_ERR(hw))
return ERR_CAST(hw);
+ if (!hw)
+ return NULL;
+
return hw->core;
}
@@ -1228,9 +1319,6 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
if (core->flags & CLK_IGNORE_UNUSED)
return;
- if (clk_pm_runtime_get(core))
- return;
-
if (clk_core_is_prepared(core)) {
trace_clk_unprepare(core);
if (core->ops->unprepare_unused)
@@ -1239,8 +1327,6 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
core->ops->unprepare(core->hw);
trace_clk_unprepare_complete(core);
}
-
- clk_pm_runtime_put(core);
}
static void __init clk_disable_unused_subtree(struct clk_core *core)
@@ -1256,9 +1342,6 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_prepare_enable(core->parent);
- if (clk_pm_runtime_get(core))
- goto unprepare_out;
-
flags = clk_enable_lock();
if (core->enable_count)
@@ -1283,8 +1366,6 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
unlock_out:
clk_enable_unlock(flags);
- clk_pm_runtime_put(core);
-unprepare_out:
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_disable_unprepare(core->parent);
}
@@ -1300,12 +1381,22 @@ __setup("clk_ignore_unused", clk_ignore_unused_setup);
static int __init clk_disable_unused(void)
{
struct clk_core *core;
+ int ret;
if (clk_ignore_unused) {
pr_warn("clk: Not disabling unused clocks\n");
return 0;
}
+ pr_info("clk: Disabling unused clocks\n");
+
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
+ /*
+ * Grab the prepare lock to keep the clk topology stable while iterating
+ * over clks.
+ */
clk_prepare_lock();
hlist_for_each_entry(core, &clk_root_list, child_node)
@@ -1322,6 +1413,8 @@ static int __init clk_disable_unused(void)
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
+
return 0;
}
late_initcall_sync(clk_disable_unused);
@@ -3627,9 +3720,6 @@ static int __clk_core_init(struct clk_core *core)
}
clk_core_reparent_orphans_nolock();
-
-
- kref_init(&core->ref);
out:
clk_pm_runtime_put(core);
unlock:
@@ -3839,6 +3929,22 @@ static void clk_core_free_parent_map(struct clk_core *core)
kfree(core->parents);
}
+/* Free memory allocated for a struct clk_core */
+static void __clk_release(struct kref *ref)
+{
+ struct clk_core *core = container_of(ref, struct clk_core, ref);
+
+ if (core->rpm_enabled) {
+ mutex_lock(&clk_rpm_list_lock);
+ hlist_del(&core->rpm_node);
+ mutex_unlock(&clk_rpm_list_lock);
+ }
+
+ clk_core_free_parent_map(core);
+ kfree_const(core->name);
+ kfree(core);
+}
+
static struct clk *
__clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
{
@@ -3859,6 +3965,8 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
goto fail_out;
}
+ kref_init(&core->ref);
+
core->name = kstrdup_const(init->name, GFP_KERNEL);
if (!core->name) {
ret = -ENOMEM;
@@ -3871,9 +3979,8 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
}
core->ops = init->ops;
- if (dev && pm_runtime_enabled(dev))
- core->rpm_enabled = true;
core->dev = dev;
+ clk_pm_runtime_init(core);
core->of_node = np;
if (dev && dev->driver)
core->owner = dev->driver->owner;
@@ -3913,12 +4020,10 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
hw->clk = NULL;
fail_create_clk:
- clk_core_free_parent_map(core);
fail_parents:
fail_ops:
- kfree_const(core->name);
fail_name:
- kfree(core);
+ kref_put(&core->ref, __clk_release);
fail_out:
return ERR_PTR(ret);
}
@@ -3998,18 +4103,6 @@ int of_clk_hw_register(struct device_node *node, struct clk_hw *hw)
}
EXPORT_SYMBOL_GPL(of_clk_hw_register);
-/* Free memory allocated for a clock. */
-static void __clk_release(struct kref *ref)
-{
- struct clk_core *core = container_of(ref, struct clk_core, ref);
-
- lockdep_assert_held(&prepare_lock);
-
- clk_core_free_parent_map(core);
- kfree_const(core->name);
- kfree(core);
-}
-
/*
* Empty clk_ops for unregistered clocks. These are used temporarily
* after clk_unregister() was called on a clock and until last clock
@@ -4062,7 +4155,7 @@ static void clk_core_evict_parent_cache_subtree(struct clk_core *root,
/* Remove this clk from all parent caches */
static void clk_core_evict_parent_cache(struct clk_core *core)
{
- struct hlist_head **lists;
+ const struct hlist_head **lists;
struct clk_core *root;
lockdep_assert_held(&prepare_lock);
diff --git a/drivers/clk/hisilicon/clk-hi3519.c b/drivers/clk/hisilicon/clk-hi3519.c
index ad0c7f350..60d8a27a9 100644
--- a/drivers/clk/hisilicon/clk-hi3519.c
+++ b/drivers/clk/hisilicon/clk-hi3519.c
@@ -130,7 +130,7 @@ static void hi3519_clk_unregister(struct platform_device *pdev)
of_clk_del_provider(pdev->dev.of_node);
hisi_clk_unregister_gate(hi3519_gate_clks,
- ARRAY_SIZE(hi3519_mux_clks),
+ ARRAY_SIZE(hi3519_gate_clks),
crg->clk_data);
hisi_clk_unregister_mux(hi3519_mux_clks,
ARRAY_SIZE(hi3519_mux_clks),
diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c
index a3d04c7c3..eb9c139ba 100644
--- a/drivers/clk/hisilicon/clk-hi3620.c
+++ b/drivers/clk/hisilicon/clk-hi3620.c
@@ -467,8 +467,10 @@ static void __init hi3620_mmc_clk_init(struct device_node *node)
return;
clk_data->clks = kcalloc(num, sizeof(*clk_data->clks), GFP_KERNEL);
- if (!clk_data->clks)
+ if (!clk_data->clks) {
+ kfree(clk_data);
return;
+ }
for (i = 0; i < num; i++) {
struct hisi_mmc_clock *mmc_clk = &hi3620_mmc_clks[i];
diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c
index f110c02e8..9674c6c06 100644
--- a/drivers/clk/mmp/clk-of-pxa168.c
+++ b/drivers/clk/mmp/clk-of-pxa168.c
@@ -258,18 +258,21 @@ static void __init pxa168_clk_init(struct device_node *np)
pxa_unit->mpmu_base = of_iomap(np, 0);
if (!pxa_unit->mpmu_base) {
pr_err("failed to map mpmu registers\n");
+ kfree(pxa_unit);
return;
}
pxa_unit->apmu_base = of_iomap(np, 1);
if (!pxa_unit->apmu_base) {
pr_err("failed to map apmu registers\n");
+ kfree(pxa_unit);
return;
}
pxa_unit->apbc_base = of_iomap(np, 2);
if (!pxa_unit->apbc_base) {
pr_err("failed to map apbc registers\n");
+ kfree(pxa_unit);
return;
}
diff --git a/drivers/clk/qcom/dispcc-sdm845.c b/drivers/clk/qcom/dispcc-sdm845.c
index 5c932cd17..8cd8174ac 100644
--- a/drivers/clk/qcom/dispcc-sdm845.c
+++ b/drivers/clk/qcom/dispcc-sdm845.c
@@ -768,6 +768,8 @@ static struct clk_branch disp_cc_mdss_vsync_clk = {
static struct gdsc mdss_gdsc = {
.gdscr = 0x3000,
+ .en_few_wait_val = 0x6,
+ .en_rest_wait_val = 0x5,
.pd = {
.name = "mdss_gdsc",
},
diff --git a/drivers/clk/qcom/gcc-ipq6018.c b/drivers/clk/qcom/gcc-ipq6018.c
index 4c5c7a8f4..b9844e41c 100644
--- a/drivers/clk/qcom/gcc-ipq6018.c
+++ b/drivers/clk/qcom/gcc-ipq6018.c
@@ -1557,6 +1557,7 @@ static struct clk_regmap_div nss_ubi0_div_clk_src = {
static const struct freq_tbl ftbl_pcie_aux_clk_src[] = {
F(24000000, P_XO, 1, 0, 0),
+ { }
};
static const struct clk_parent_data gcc_xo_gpll0_core_pi_sleep_clk[] = {
@@ -1737,6 +1738,7 @@ static const struct freq_tbl ftbl_sdcc_ice_core_clk_src[] = {
F(160000000, P_GPLL0, 5, 0, 0),
F(216000000, P_GPLL6, 5, 0, 0),
F(308570000, P_GPLL6, 3.5, 0, 0),
+ { }
};
static const struct clk_parent_data gcc_xo_gpll0_gpll6_gpll0_div2[] = {
diff --git a/drivers/clk/qcom/gcc-ipq8074.c b/drivers/clk/qcom/gcc-ipq8074.c
index 0393154fe..649e75a41 100644
--- a/drivers/clk/qcom/gcc-ipq8074.c
+++ b/drivers/clk/qcom/gcc-ipq8074.c
@@ -972,6 +972,7 @@ static struct clk_rcg2 pcie0_axi_clk_src = {
static const struct freq_tbl ftbl_pcie_aux_clk_src[] = {
F(19200000, P_XO, 1, 0, 0),
+ { }
};
static struct clk_rcg2 pcie0_aux_clk_src = {
@@ -1077,6 +1078,7 @@ static const struct freq_tbl ftbl_sdcc_ice_core_clk_src[] = {
F(19200000, P_XO, 1, 0, 0),
F(160000000, P_GPLL0, 5, 0, 0),
F(308570000, P_GPLL6, 3.5, 0, 0),
+ { }
};
static struct clk_rcg2 sdcc1_ice_core_clk_src = {
diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
index 90f7febaf..a6b07aa8e 100644
--- a/drivers/clk/qcom/gcc-sdm845.c
+++ b/drivers/clk/qcom/gcc-sdm845.c
@@ -3646,3 +3646,4 @@ module_exit(gcc_sdm845_exit);
MODULE_DESCRIPTION("QTI GCC SDM845 Driver");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:gcc-sdm845");
+MODULE_SOFTDEP("pre: rpmhpd");
diff --git a/drivers/clk/qcom/mmcc-apq8084.c b/drivers/clk/qcom/mmcc-apq8084.c
index fbfcf0006..c2fd0e8f4 100644
--- a/drivers/clk/qcom/mmcc-apq8084.c
+++ b/drivers/clk/qcom/mmcc-apq8084.c
@@ -333,6 +333,7 @@ static struct freq_tbl ftbl_mmss_axi_clk[] = {
F(333430000, P_MMPLL1, 3.5, 0, 0),
F(400000000, P_MMPLL0, 2, 0, 0),
F(466800000, P_MMPLL1, 2.5, 0, 0),
+ { }
};
static struct clk_rcg2 mmss_axi_clk_src = {
@@ -357,6 +358,7 @@ static struct freq_tbl ftbl_ocmemnoc_clk[] = {
F(150000000, P_GPLL0, 4, 0, 0),
F(228570000, P_MMPLL0, 3.5, 0, 0),
F(320000000, P_MMPLL0, 2.5, 0, 0),
+ { }
};
static struct clk_rcg2 ocmemnoc_clk_src = {
diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c
index 015426262..dfc377463 100644
--- a/drivers/clk/qcom/mmcc-msm8974.c
+++ b/drivers/clk/qcom/mmcc-msm8974.c
@@ -283,6 +283,7 @@ static struct freq_tbl ftbl_mmss_axi_clk[] = {
F(291750000, P_MMPLL1, 4, 0, 0),
F(400000000, P_MMPLL0, 2, 0, 0),
F(466800000, P_MMPLL1, 2.5, 0, 0),
+ { }
};
static struct clk_rcg2 mmss_axi_clk_src = {
@@ -307,6 +308,7 @@ static struct freq_tbl ftbl_ocmemnoc_clk[] = {
F(150000000, P_GPLL0, 4, 0, 0),
F(291750000, P_MMPLL1, 4, 0, 0),
F(400000000, P_MMPLL0, 2, 0, 0),
+ { }
};
static struct clk_rcg2 ocmemnoc_clk_src = {
diff --git a/drivers/clk/qcom/reset.c b/drivers/clk/qcom/reset.c
index e45e32804..d96c96a90 100644
--- a/drivers/clk/qcom/reset.c
+++ b/drivers/clk/qcom/reset.c
@@ -22,8 +22,8 @@ static int qcom_reset(struct reset_controller_dev *rcdev, unsigned long id)
return 0;
}
-static int
-qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
+static int qcom_reset_set_assert(struct reset_controller_dev *rcdev,
+ unsigned long id, bool assert)
{
struct qcom_reset_controller *rst;
const struct qcom_reset_map *map;
@@ -33,21 +33,22 @@ qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
map = &rst->reset_map[id];
mask = map->bitmask ? map->bitmask : BIT(map->bit);
- return regmap_update_bits(rst->regmap, map->reg, mask, mask);
+ regmap_update_bits(rst->regmap, map->reg, mask, assert ? mask : 0);
+
+ /* Read back the register to ensure write completion, ignore the value */
+ regmap_read(rst->regmap, map->reg, &mask);
+
+ return 0;
}
-static int
-qcom_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
+static int qcom_reset_assert(struct reset_controller_dev *rcdev, unsigned long id)
{
- struct qcom_reset_controller *rst;
- const struct qcom_reset_map *map;
- u32 mask;
-
- rst = to_qcom_reset_controller(rcdev);
- map = &rst->reset_map[id];
- mask = map->bitmask ? map->bitmask : BIT(map->bit);
+ return qcom_reset_set_assert(rcdev, id, true);
+}
- return regmap_update_bits(rst->regmap, map->reg, mask, 0);
+static int qcom_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id)
+{
+ return qcom_reset_set_assert(rcdev, id, false);
}
const struct reset_control_ops qcom_reset_ops = {
diff --git a/drivers/cpufreq/brcmstb-avs-cpufreq.c b/drivers/cpufreq/brcmstb-avs-cpufreq.c
index f644c5e32..552db816e 100644
--- a/drivers/cpufreq/brcmstb-avs-cpufreq.c
+++ b/drivers/cpufreq/brcmstb-avs-cpufreq.c
@@ -481,8 +481,11 @@ static bool brcm_avs_is_firmware_loaded(struct private_data *priv)
static unsigned int brcm_avs_cpufreq_get(unsigned int cpu)
{
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
- struct private_data *priv = policy->driver_data;
+ struct private_data *priv;
+ if (!policy)
+ return 0;
+ priv = policy->driver_data;
cpufreq_cpu_put(policy);
return brcm_avs_get_frequency(priv->base);
diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c
index e363ae04a..44cc596ca 100644
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -251,7 +251,7 @@ static int dt_cpufreq_early_init(struct device *dev, int cpu)
if (!priv)
return -ENOMEM;
- if (!alloc_cpumask_var(&priv->cpus, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&priv->cpus, GFP_KERNEL))
return -ENOMEM;
priv->cpu_dev = cpu_dev;
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 8e2672ec6..055cbb2ad 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -304,10 +304,16 @@ EXPORT_SYMBOL_GPL(sev_platform_init);
static int __sev_platform_shutdown_locked(int *error)
{
- struct sev_device *sev = psp_master->sev_data;
+ struct psp_device *psp = psp_master;
+ struct sev_device *sev;
int ret;
- if (!sev || sev->state == SEV_STATE_UNINIT)
+ if (!psp || !psp->sev_data)
+ return 0;
+
+ sev = psp->sev_data;
+
+ if (sev->state == SEV_STATE_UNINIT)
return 0;
ret = __sev_do_cmd_locked(SEV_CMD_SHUTDOWN, NULL, error);
diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c
index d2ae293d0..dc0feedf5 100644
--- a/drivers/crypto/qat/qat_common/adf_aer.c
+++ b/drivers/crypto/qat/qat_common/adf_aer.c
@@ -95,18 +95,28 @@ static void adf_device_reset_worker(struct work_struct *work)
if (adf_dev_init(accel_dev) || adf_dev_start(accel_dev)) {
/* The device hanged and we can't restart it so stop here */
dev_err(&GET_DEV(accel_dev), "Restart device failed\n");
- kfree(reset_data);
+ if (reset_data->mode == ADF_DEV_RESET_ASYNC ||
+ completion_done(&reset_data->compl))
+ kfree(reset_data);
WARN(1, "QAT: device restart failed. Device is unusable\n");
return;
}
adf_dev_restarted_notify(accel_dev);
clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
- /* The dev is back alive. Notify the caller if in sync mode */
- if (reset_data->mode == ADF_DEV_RESET_SYNC)
- complete(&reset_data->compl);
- else
+ /*
+ * The dev is back alive. Notify the caller if in sync mode
+ *
+ * If device restart will take a more time than expected,
+ * the schedule_reset() function can timeout and exit. This can be
+ * detected by calling the completion_done() function. In this case
+ * the reset_data structure needs to be freed here.
+ */
+ if (reset_data->mode == ADF_DEV_RESET_ASYNC ||
+ completion_done(&reset_data->compl))
kfree(reset_data);
+ else
+ complete(&reset_data->compl);
}
static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev,
@@ -139,8 +149,9 @@ static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev,
dev_err(&GET_DEV(accel_dev),
"Reset device timeout expired\n");
ret = -EFAULT;
+ } else {
+ kfree(reset_data);
}
- kfree(reset_data);
return ret;
}
return 0;
diff --git a/drivers/crypto/stm32/stm32-crc32.c b/drivers/crypto/stm32/stm32-crc32.c
index 90a920e7f..c439be165 100644
--- a/drivers/crypto/stm32/stm32-crc32.c
+++ b/drivers/crypto/stm32/stm32-crc32.c
@@ -104,7 +104,7 @@ static struct stm32_crc *stm32_crc_get_next_crc(void)
struct stm32_crc *crc;
spin_lock_bh(&crc_list.lock);
- crc = list_first_entry(&crc_list.dev_list, struct stm32_crc, list);
+ crc = list_first_entry_or_null(&crc_list.dev_list, struct stm32_crc, list);
if (crc)
list_move_tail(&crc->list, &crc_list.dev_list);
spin_unlock_bh(&crc_list.lock);
diff --git a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
index 2cfc36d14..c58fac574 100644
--- a/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
+++ b/drivers/crypto/virtio/virtio_crypto_akcipher_algs.c
@@ -101,7 +101,8 @@ static void virtio_crypto_dataq_akcipher_callback(struct virtio_crypto_request *
}
static int virtio_crypto_alg_akcipher_init_session(struct virtio_crypto_akcipher_ctx *ctx,
- struct virtio_crypto_ctrl_header *header, void *para,
+ struct virtio_crypto_ctrl_header *header,
+ struct virtio_crypto_akcipher_session_para *para,
const uint8_t *key, unsigned int keylen)
{
struct scatterlist outhdr_sg, key_sg, inhdr_sg, *sgs[3];
@@ -125,7 +126,7 @@ static int virtio_crypto_alg_akcipher_init_session(struct virtio_crypto_akcipher
ctrl = &vc_ctrl_req->ctrl;
memcpy(&ctrl->header, header, sizeof(ctrl->header));
- memcpy(&ctrl->u, para, sizeof(ctrl->u));
+ memcpy(&ctrl->u.akcipher_create_session.para, para, sizeof(*para));
input = &vc_ctrl_req->input;
input->status = cpu_to_le32(VIRTIO_CRYPTO_ERR);
diff --git a/drivers/crypto/xilinx/zynqmp-aes-gcm.c b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
index bf1f421e0..74bd3eb63 100644
--- a/drivers/crypto/xilinx/zynqmp-aes-gcm.c
+++ b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
@@ -231,7 +231,10 @@ static int zynqmp_handle_aes_req(struct crypto_engine *engine,
err = zynqmp_aes_aead_cipher(areq);
}
+ local_bh_disable();
crypto_finalize_aead_request(engine, areq, err);
+ local_bh_enable();
+
return 0;
}
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index 42c1eed44..93df6cef4 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -438,10 +438,14 @@ static void devfreq_monitor(struct work_struct *work)
if (err)
dev_err(&devfreq->dev, "dvfs failed with (%d) error\n", err);
+ if (devfreq->stop_polling)
+ goto out;
+
queue_delayed_work(devfreq_wq, &devfreq->work,
msecs_to_jiffies(devfreq->profile->polling_ms));
- mutex_unlock(&devfreq->lock);
+out:
+ mutex_unlock(&devfreq->lock);
trace_devfreq_monitor(devfreq);
}
@@ -459,6 +463,10 @@ void devfreq_monitor_start(struct devfreq *devfreq)
if (devfreq->governor->interrupt_driven)
return;
+ mutex_lock(&devfreq->lock);
+ if (delayed_work_pending(&devfreq->work))
+ goto out;
+
switch (devfreq->profile->timer) {
case DEVFREQ_TIMER_DEFERRABLE:
INIT_DEFERRABLE_WORK(&devfreq->work, devfreq_monitor);
@@ -467,12 +475,16 @@ void devfreq_monitor_start(struct devfreq *devfreq)
INIT_DELAYED_WORK(&devfreq->work, devfreq_monitor);
break;
default:
- return;
+ goto out;
}
if (devfreq->profile->polling_ms)
queue_delayed_work(devfreq_wq, &devfreq->work,
msecs_to_jiffies(devfreq->profile->polling_ms));
+
+out:
+ devfreq->stop_polling = false;
+ mutex_unlock(&devfreq->lock);
}
EXPORT_SYMBOL(devfreq_monitor_start);
@@ -489,6 +501,14 @@ void devfreq_monitor_stop(struct devfreq *devfreq)
if (devfreq->governor->interrupt_driven)
return;
+ mutex_lock(&devfreq->lock);
+ if (devfreq->stop_polling) {
+ mutex_unlock(&devfreq->lock);
+ return;
+ }
+
+ devfreq->stop_polling = true;
+ mutex_unlock(&devfreq->lock);
cancel_delayed_work_sync(&devfreq->work);
}
EXPORT_SYMBOL(devfreq_monitor_stop);
@@ -1619,7 +1639,7 @@ static ssize_t trans_stat_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct devfreq *df = to_devfreq(dev);
- ssize_t len;
+ ssize_t len = 0;
int i, j;
unsigned int max_state;
@@ -1628,7 +1648,7 @@ static ssize_t trans_stat_show(struct device *dev,
max_state = df->profile->max_state;
if (max_state == 0)
- return sprintf(buf, "Not Supported.\n");
+ return scnprintf(buf, PAGE_SIZE, "Not Supported.\n");
mutex_lock(&df->lock);
if (!df->stop_polling &&
@@ -1638,33 +1658,54 @@ static ssize_t trans_stat_show(struct device *dev,
}
mutex_unlock(&df->lock);
- len = sprintf(buf, " From : To\n");
- len += sprintf(buf + len, " :");
- for (i = 0; i < max_state; i++)
- len += sprintf(buf + len, "%10lu",
- df->profile->freq_table[i]);
+ len += scnprintf(buf + len, PAGE_SIZE - len, " From : To\n");
+ len += scnprintf(buf + len, PAGE_SIZE - len, " :");
+ for (i = 0; i < max_state; i++) {
+ if (len >= PAGE_SIZE - 1)
+ break;
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10lu",
+ df->profile->freq_table[i]);
+ }
+ if (len >= PAGE_SIZE - 1)
+ return PAGE_SIZE - 1;
- len += sprintf(buf + len, " time(ms)\n");
+ len += scnprintf(buf + len, PAGE_SIZE - len, " time(ms)\n");
for (i = 0; i < max_state; i++) {
+ if (len >= PAGE_SIZE - 1)
+ break;
if (df->profile->freq_table[i]
== df->previous_freq) {
- len += sprintf(buf + len, "*");
+ len += scnprintf(buf + len, PAGE_SIZE - len, "*");
} else {
- len += sprintf(buf + len, " ");
+ len += scnprintf(buf + len, PAGE_SIZE - len, " ");
+ }
+ if (len >= PAGE_SIZE - 1)
+ break;
+
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10lu:",
+ df->profile->freq_table[i]);
+ for (j = 0; j < max_state; j++) {
+ if (len >= PAGE_SIZE - 1)
+ break;
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10u",
+ df->stats.trans_table[(i * max_state) + j]);
}
- len += sprintf(buf + len, "%10lu:",
- df->profile->freq_table[i]);
- for (j = 0; j < max_state; j++)
- len += sprintf(buf + len, "%10u",
- df->stats.trans_table[(i * max_state) + j]);
+ if (len >= PAGE_SIZE - 1)
+ break;
+ len += scnprintf(buf + len, PAGE_SIZE - len, "%10llu\n", (u64)
+ jiffies64_to_msecs(df->stats.time_in_state[i]));
+ }
+
+ if (len < PAGE_SIZE - 1)
+ len += scnprintf(buf + len, PAGE_SIZE - len, "Total transition : %u\n",
+ df->stats.total_trans);
- len += sprintf(buf + len, "%10llu\n", (u64)
- jiffies64_to_msecs(df->stats.time_in_state[i]));
+ if (len >= PAGE_SIZE - 1) {
+ pr_warn_once("devfreq transition table exceeds PAGE_SIZE. Disabling\n");
+ return -EFBIG;
}
- len += sprintf(buf + len, "Total transition : %u\n",
- df->stats.total_trans);
return len;
}
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 7e1bd79fb..02b98f979 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -614,16 +614,16 @@ config TEGRA20_APB_DMA
config TEGRA210_ADMA
tristate "NVIDIA Tegra210 ADMA support"
- depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST)
+ depends on (ARCH_TEGRA || COMPILE_TEST)
select DMA_ENGINE
select DMA_VIRTUAL_CHANNELS
help
- Support for the NVIDIA Tegra210 ADMA controller driver. The
- DMA controller has multiple DMA channels and is used to service
- various audio clients in the Tegra210 audio processing engine
- (APE). This DMA controller transfers data from memory to
- peripheral and vice versa. It does not support memory to
- memory data transfer.
+ Support for the NVIDIA Tegra210/Tegra186/Tegra194/Tegra234 ADMA
+ controller driver. The DMA controller has multiple DMA channels
+ and is used to service various audio clients in the Tegra210
+ audio processing engine (APE). This DMA controller transfers
+ data from memory to peripheral and vice versa. It does not
+ support memory to memory data transfer.
config TIMB_DMA
tristate "Timberdale FPGA DMA support"
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 4ec7bb58c..9559ebd61 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -1108,6 +1108,9 @@ EXPORT_SYMBOL_GPL(dma_async_device_channel_register);
static void __dma_async_device_channel_unregister(struct dma_device *device,
struct dma_chan *chan)
{
+ if (chan->local == NULL)
+ return;
+
WARN_ONCE(!device->device_release && chan->client_count,
"%s called while %d clients hold a reference\n",
__func__, chan->client_count);
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
index 4ae057922..2d905f063 100644
--- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
+++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c
@@ -38,15 +38,17 @@ static int dpaa2_qdma_alloc_chan_resources(struct dma_chan *chan)
if (!dpaa2_chan->fd_pool)
goto err;
- dpaa2_chan->fl_pool = dma_pool_create("fl_pool", dev,
- sizeof(struct dpaa2_fl_entry),
- sizeof(struct dpaa2_fl_entry), 0);
+ dpaa2_chan->fl_pool =
+ dma_pool_create("fl_pool", dev,
+ sizeof(struct dpaa2_fl_entry) * 3,
+ sizeof(struct dpaa2_fl_entry), 0);
+
if (!dpaa2_chan->fl_pool)
goto err_fd;
dpaa2_chan->sdd_pool =
dma_pool_create("sdd_pool", dev,
- sizeof(struct dpaa2_qdma_sd_d),
+ sizeof(struct dpaa2_qdma_sd_d) * 2,
sizeof(struct dpaa2_qdma_sd_d), 0);
if (!dpaa2_chan->sdd_pool)
goto err_fl;
diff --git a/drivers/dma/fsl-qdma.c b/drivers/dma/fsl-qdma.c
index 045ead46e..7082a5a68 100644
--- a/drivers/dma/fsl-qdma.c
+++ b/drivers/dma/fsl-qdma.c
@@ -109,6 +109,7 @@
#define FSL_QDMA_CMD_WTHROTL_OFFSET 20
#define FSL_QDMA_CMD_DSEN_OFFSET 19
#define FSL_QDMA_CMD_LWC_OFFSET 16
+#define FSL_QDMA_CMD_PF BIT(17)
/* Field definition for Descriptor status */
#define QDMA_CCDF_STATUS_RTE BIT(5)
@@ -384,7 +385,8 @@ static void fsl_qdma_comp_fill_memcpy(struct fsl_qdma_comp *fsl_comp,
qdma_csgf_set_f(csgf_dest, len);
/* Descriptor Buffer */
cmd = cpu_to_le32(FSL_QDMA_CMD_RWTTYPE <<
- FSL_QDMA_CMD_RWTTYPE_OFFSET);
+ FSL_QDMA_CMD_RWTTYPE_OFFSET) |
+ FSL_QDMA_CMD_PF;
sdf->data = QDMA_SDDF_CMD(cmd);
cmd = cpu_to_le32(FSL_QDMA_CMD_RWTTYPE <<
@@ -514,11 +516,11 @@ static struct fsl_qdma_queue
queue_temp = queue_head + i + (j * queue_num);
queue_temp->cq =
- dma_alloc_coherent(&pdev->dev,
- sizeof(struct fsl_qdma_format) *
- queue_size[i],
- &queue_temp->bus_addr,
- GFP_KERNEL);
+ dmam_alloc_coherent(&pdev->dev,
+ sizeof(struct fsl_qdma_format) *
+ queue_size[i],
+ &queue_temp->bus_addr,
+ GFP_KERNEL);
if (!queue_temp->cq)
return NULL;
queue_temp->block_base = fsl_qdma->block_base +
@@ -563,11 +565,11 @@ static struct fsl_qdma_queue
/*
* Buffer for queue command
*/
- status_head->cq = dma_alloc_coherent(&pdev->dev,
- sizeof(struct fsl_qdma_format) *
- status_size,
- &status_head->bus_addr,
- GFP_KERNEL);
+ status_head->cq = dmam_alloc_coherent(&pdev->dev,
+ sizeof(struct fsl_qdma_format) *
+ status_size,
+ &status_head->bus_addr,
+ GFP_KERNEL);
if (!status_head->cq) {
devm_kfree(&pdev->dev, status_head);
return NULL;
@@ -805,7 +807,7 @@ fsl_qdma_irq_init(struct platform_device *pdev,
int i;
int cpu;
int ret;
- char irq_name[20];
+ char irq_name[32];
fsl_qdma->error_irq =
platform_get_irq_byname(pdev, "qdma-error");
@@ -1201,10 +1203,6 @@ static int fsl_qdma_probe(struct platform_device *pdev)
if (!fsl_qdma->queue)
return -ENOMEM;
- ret = fsl_qdma_irq_init(pdev, fsl_qdma);
- if (ret)
- return ret;
-
fsl_qdma->irq_base = platform_get_irq_byname(pdev, "qdma-queue0");
if (fsl_qdma->irq_base < 0)
return fsl_qdma->irq_base;
@@ -1243,16 +1241,19 @@ static int fsl_qdma_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, fsl_qdma);
- ret = dma_async_device_register(&fsl_qdma->dma_dev);
+ ret = fsl_qdma_reg_init(fsl_qdma);
if (ret) {
- dev_err(&pdev->dev,
- "Can't register NXP Layerscape qDMA engine.\n");
+ dev_err(&pdev->dev, "Can't Initialize the qDMA engine.\n");
return ret;
}
- ret = fsl_qdma_reg_init(fsl_qdma);
+ ret = fsl_qdma_irq_init(pdev, fsl_qdma);
+ if (ret)
+ return ret;
+
+ ret = dma_async_device_register(&fsl_qdma->dma_dev);
if (ret) {
- dev_err(&pdev->dev, "Can't Initialize the qDMA engine.\n");
+ dev_err(&pdev->dev, "Can't register NXP Layerscape qDMA engine.\n");
return ret;
}
@@ -1272,8 +1273,6 @@ static void fsl_qdma_cleanup_vchan(struct dma_device *dmadev)
static int fsl_qdma_remove(struct platform_device *pdev)
{
- int i;
- struct fsl_qdma_queue *status;
struct device_node *np = pdev->dev.of_node;
struct fsl_qdma_engine *fsl_qdma = platform_get_drvdata(pdev);
@@ -1282,11 +1281,6 @@ static int fsl_qdma_remove(struct platform_device *pdev)
of_dma_controller_free(np);
dma_async_device_unregister(&fsl_qdma->dma_dev);
- for (i = 0; i < fsl_qdma->block_number; i++) {
- status = fsl_qdma->status[i];
- dma_free_coherent(&pdev->dev, sizeof(struct fsl_qdma_format) *
- status->n_cq, status->cq, status->bus_addr);
- }
return 0;
}
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index f5a84c846..db506e1f7 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -167,6 +167,10 @@ static irqreturn_t idma64_irq(int irq, void *dev)
u32 status_err;
unsigned short i;
+ /* Since IRQ may be shared, check if DMA controller is powered on */
+ if (status == GENMASK(31, 0))
+ return IRQ_NONE;
+
dev_vdbg(idma64->dma.dev, "%s: status=%#x\n", __func__, status);
/* Check if we have any interrupt from the DMA controller */
diff --git a/drivers/dma/owl-dma.c b/drivers/dma/owl-dma.c
index 04202d75f..695feb344 100644
--- a/drivers/dma/owl-dma.c
+++ b/drivers/dma/owl-dma.c
@@ -249,7 +249,7 @@ static void pchan_update(struct owl_dma_pchan *pchan, u32 reg,
else
regval &= ~val;
- writel(val, pchan->base + reg);
+ writel(regval, pchan->base + reg);
}
static void pchan_writel(struct owl_dma_pchan *pchan, u32 reg, u32 data)
@@ -273,7 +273,7 @@ static void dma_update(struct owl_dma *od, u32 reg, u32 val, bool state)
else
regval &= ~val;
- writel(val, od->base + reg);
+ writel(regval, od->base + reg);
}
static void dma_writel(struct owl_dma *od, u32 reg, u32 data)
diff --git a/drivers/dma/sh/shdma.h b/drivers/dma/sh/shdma.h
index 9c121a4b3..f97d80343 100644
--- a/drivers/dma/sh/shdma.h
+++ b/drivers/dma/sh/shdma.h
@@ -25,7 +25,7 @@ struct sh_dmae_chan {
const struct sh_dmae_slave_config *config; /* Slave DMA configuration */
int xmit_shift; /* log_2(bytes_per_xfer) */
void __iomem *base;
- char dev_id[16]; /* unique name per DMAC of channel */
+ char dev_id[32]; /* unique name per DMAC of channel */
int pm_error;
dma_addr_t slave_addr;
};
diff --git a/drivers/dma/ti/edma.c b/drivers/dma/ti/edma.c
index a1adc8d91..69292d4a0 100644
--- a/drivers/dma/ti/edma.c
+++ b/drivers/dma/ti/edma.c
@@ -2462,6 +2462,11 @@ static int edma_probe(struct platform_device *pdev)
if (irq > 0) {
irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccint",
dev_name(dev));
+ if (!irq_name) {
+ ret = -ENOMEM;
+ goto err_disable_pm;
+ }
+
ret = devm_request_irq(dev, irq, dma_irq_handler, 0, irq_name,
ecc);
if (ret) {
@@ -2478,6 +2483,11 @@ static int edma_probe(struct platform_device *pdev)
if (irq > 0) {
irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s_ccerrint",
dev_name(dev));
+ if (!irq_name) {
+ ret = -ENOMEM;
+ goto err_disable_pm;
+ }
+
ret = devm_request_irq(dev, irq, dma_ccerr_handler, 0, irq_name,
ecc);
if (ret) {
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index d3902784c..15eecb757 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -2877,6 +2877,7 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
{
struct udma_chan *uc = to_udma_chan(&vc->chan);
struct udma_desc *d;
+ u8 status;
if (!vd)
return;
@@ -2886,12 +2887,12 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
if (d->metadata_size)
udma_fetch_epib(uc, d);
- /* Provide residue information for the client */
if (result) {
void *desc_vaddr = udma_curr_cppi5_desc_vaddr(d, d->desc_idx);
if (cppi5_desc_get_type(desc_vaddr) ==
CPPI5_INFO0_DESC_TYPE_VAL_HOST) {
+ /* Provide residue information for the client */
result->residue = d->residue -
cppi5_hdesc_get_pktlen(desc_vaddr);
if (result->residue)
@@ -2900,7 +2901,12 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
result->result = DMA_TRANS_NOERROR;
} else {
result->residue = 0;
- result->result = DMA_TRANS_NOERROR;
+ /* Propagate TR Response errors to the client */
+ status = d->hwdesc[0].tr_resp_base->status;
+ if (status)
+ result->result = DMA_TRANS_ABORTED;
+ else
+ result->result = DMA_TRANS_NOERROR;
}
}
}
diff --git a/drivers/dma/xilinx/xilinx_dpdma.c b/drivers/dma/xilinx/xilinx_dpdma.c
index 6c7098032..058c3a6ed 100644
--- a/drivers/dma/xilinx/xilinx_dpdma.c
+++ b/drivers/dma/xilinx/xilinx_dpdma.c
@@ -213,7 +213,8 @@ struct xilinx_dpdma_tx_desc {
* @running: true if the channel is running
* @first_frame: flag for the first frame of stream
* @video_group: flag if multi-channel operation is needed for video channels
- * @lock: lock to access struct xilinx_dpdma_chan
+ * @lock: lock to access struct xilinx_dpdma_chan. Must be taken before
+ * @vchan.lock, if both are to be held.
* @desc_pool: descriptor allocation pool
* @err_task: error IRQ bottom half handler
* @desc: References to descriptors being processed
@@ -1101,12 +1102,14 @@ static void xilinx_dpdma_chan_vsync_irq(struct xilinx_dpdma_chan *chan)
* Complete the active descriptor, if any, promote the pending
* descriptor to active, and queue the next transfer, if any.
*/
+ spin_lock(&chan->vchan.lock);
if (chan->desc.active)
vchan_cookie_complete(&chan->desc.active->vdesc);
chan->desc.active = pending;
chan->desc.pending = NULL;
xilinx_dpdma_chan_queue_transfer(chan);
+ spin_unlock(&chan->vchan.lock);
out:
spin_unlock_irqrestore(&chan->lock, flags);
@@ -1264,10 +1267,12 @@ static void xilinx_dpdma_issue_pending(struct dma_chan *dchan)
struct xilinx_dpdma_chan *chan = to_xilinx_chan(dchan);
unsigned long flags;
- spin_lock_irqsave(&chan->vchan.lock, flags);
+ spin_lock_irqsave(&chan->lock, flags);
+ spin_lock(&chan->vchan.lock);
if (vchan_issue_pending(&chan->vchan))
xilinx_dpdma_chan_queue_transfer(chan);
- spin_unlock_irqrestore(&chan->vchan.lock, flags);
+ spin_unlock(&chan->vchan.lock);
+ spin_unlock_irqrestore(&chan->lock, flags);
}
static int xilinx_dpdma_config(struct dma_chan *dchan,
@@ -1491,7 +1496,9 @@ static void xilinx_dpdma_chan_err_task(struct tasklet_struct *t)
XILINX_DPDMA_EINTR_CHAN_ERR_MASK << chan->id);
spin_lock_irqsave(&chan->lock, flags);
+ spin_lock(&chan->vchan.lock);
xilinx_dpdma_chan_queue_transfer(chan);
+ spin_unlock(&chan->vchan.lock);
spin_unlock_irqrestore(&chan->lock, flags);
}
diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
index f3b3953ca..d446a7262 100644
--- a/drivers/firewire/core-card.c
+++ b/drivers/firewire/core-card.c
@@ -429,7 +429,23 @@ static void bm_work(struct work_struct *work)
*/
card->bm_generation = generation;
- if (root_device == NULL) {
+ if (card->gap_count == 0) {
+ /*
+ * If self IDs have inconsistent gap counts, do a
+ * bus reset ASAP. The config rom read might never
+ * complete, so don't wait for it. However, still
+ * send a PHY configuration packet prior to the
+ * bus reset. The PHY configuration packet might
+ * fail, but 1394-2008 8.4.5.2 explicitly permits
+ * it in this case, so it should be safe to try.
+ */
+ new_root_id = local_id;
+ /*
+ * We must always send a bus reset if the gap count
+ * is inconsistent, so bypass the 5-reset limit.
+ */
+ card->bm_retries = 0;
+ } else if (root_device == NULL) {
/*
* Either link_on is false, or we failed to read the
* config rom. In either case, pick another root.
@@ -484,7 +500,19 @@ static void bm_work(struct work_struct *work)
fw_notice(card, "phy config: new root=%x, gap_count=%d\n",
new_root_id, gap_count);
fw_send_phy_config(card, new_root_id, generation, gap_count);
- reset_bus(card, true);
+ /*
+ * Where possible, use a short bus reset to minimize
+ * disruption to isochronous transfers. But in the event
+ * of a gap count inconsistency, use a long bus reset.
+ *
+ * As noted in 1394a 8.4.6.2, nodes on a mixed 1394/1394a bus
+ * may set different gap counts after a bus reset. On a mixed
+ * 1394/1394a bus, a short bus reset can get doubled. Some
+ * nodes may treat the double reset as one bus reset and others
+ * may treat it as two, causing a gap count inconsistency
+ * again. Using a long bus reset prevents this.
+ */
+ reset_bus(card, card->gap_count != 0);
/* Will allocate broadcast channel after the reset. */
goto out;
}
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 94ae27865..9bc181865 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -100,10 +100,9 @@ static int textual_leaf_to_string(const u32 *block, char *buf, size_t size)
* @buf: where to put the string
* @size: size of @buf, in bytes
*
- * The string is taken from a minimal ASCII text descriptor leaf after
- * the immediate entry with @key. The string is zero-terminated.
- * An overlong string is silently truncated such that it and the
- * zero byte fit into @size.
+ * The string is taken from a minimal ASCII text descriptor leaf just after the entry with the
+ * @key. The string is zero-terminated. An overlong string is silently truncated such that it
+ * and the zero byte fit into @size.
*
* Returns strlen(buf) or a negative error code.
*/
diff --git a/drivers/firmware/efi/arm-runtime.c b/drivers/firmware/efi/arm-runtime.c
index 3359ae2ad..9054c2852 100644
--- a/drivers/firmware/efi/arm-runtime.c
+++ b/drivers/firmware/efi/arm-runtime.c
@@ -107,7 +107,7 @@ static int __init arm_enable_runtime_services(void)
efi_memory_desc_t *md;
for_each_efi_memory_desc(md) {
- int md_size = md->num_pages << EFI_PAGE_SHIFT;
+ u64 md_size = md->num_pages << EFI_PAGE_SHIFT;
struct resource *res;
if (!(md->attribute & EFI_MEMORY_SP))
diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c
index 3e8d4b51a..97bafb5f7 100644
--- a/drivers/firmware/efi/capsule-loader.c
+++ b/drivers/firmware/efi/capsule-loader.c
@@ -292,7 +292,7 @@ static int efi_capsule_open(struct inode *inode, struct file *file)
return -ENOMEM;
}
- cap_info->phys = kzalloc(sizeof(void *), GFP_KERNEL);
+ cap_info->phys = kzalloc(sizeof(phys_addr_t), GFP_KERNEL);
if (!cap_info->phys) {
kfree(cap_info->pages);
kfree(cap_info);
diff --git a/drivers/firmware/efi/efi-init.c b/drivers/firmware/efi/efi-init.c
index f55a92ff1..86da3c7a5 100644
--- a/drivers/firmware/efi/efi-init.c
+++ b/drivers/firmware/efi/efi-init.c
@@ -142,15 +142,6 @@ static __init int is_usable_memory(efi_memory_desc_t *md)
case EFI_CONVENTIONAL_MEMORY:
case EFI_PERSISTENT_MEMORY:
/*
- * Special purpose memory is 'soft reserved', which means it
- * is set aside initially, but can be hotplugged back in or
- * be assigned to the dax driver after boot.
- */
- if (efi_soft_reserve_enabled() &&
- (md->attribute & EFI_MEMORY_SP))
- return false;
-
- /*
* According to the spec, these regions are no longer reserved
* after calling ExitBootServices(). However, we can only use
* them as System RAM if they can be mapped writeback cacheable.
@@ -194,6 +185,16 @@ static __init void reserve_regions(void)
size = npages << PAGE_SHIFT;
if (is_memory(md)) {
+ /*
+ * Special purpose memory is 'soft reserved', which
+ * means it is set aside initially. Don't add a memblock
+ * for it now so that it can be hotplugged back in or
+ * be assigned to the dax driver after boot.
+ */
+ if (efi_soft_reserve_enabled() &&
+ (md->attribute & EFI_MEMORY_SP))
+ continue;
+
early_init_dt_add_memory_arch(paddr, size);
if (!is_usable_memory(md))
diff --git a/drivers/firmware/efi/riscv-runtime.c b/drivers/firmware/efi/riscv-runtime.c
index d28e715d2..6711e64eb 100644
--- a/drivers/firmware/efi/riscv-runtime.c
+++ b/drivers/firmware/efi/riscv-runtime.c
@@ -85,7 +85,7 @@ static int __init riscv_enable_runtime_services(void)
efi_memory_desc_t *md;
for_each_efi_memory_desc(md) {
- int md_size = md->num_pages << EFI_PAGE_SHIFT;
+ u64 md_size = md->num_pages << EFI_PAGE_SHIFT;
struct resource *res;
if (!(md->attribute & EFI_MEMORY_SP))
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index cae590bd0..eaed1ddcc 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -415,7 +415,7 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *),
void *data, bool duplicates, struct list_head *head)
{
const struct efivar_operations *ops;
- unsigned long variable_name_size = 1024;
+ unsigned long variable_name_size = 512;
efi_char16_t *variable_name;
efi_status_t status;
efi_guid_t vendor_guid;
@@ -438,12 +438,13 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *),
}
/*
- * Per EFI spec, the maximum storage allocated for both
- * the variable name and variable data is 1024 bytes.
+ * A small set of old UEFI implementations reject sizes
+ * above a certain threshold, the lowest seen in the wild
+ * is 512.
*/
do {
- variable_name_size = 1024;
+ variable_name_size = 512;
status = ops->get_next_variable(&variable_name_size,
variable_name,
@@ -491,9 +492,13 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *),
break;
case EFI_NOT_FOUND:
break;
+ case EFI_BUFFER_TOO_SMALL:
+ pr_warn("efivars: Variable name size exceeds maximum (%lu > 512)\n",
+ variable_name_size);
+ status = EFI_NOT_FOUND;
+ break;
default:
- printk(KERN_WARNING "efivars: get_next_variable: status=%lx\n",
- status);
+ pr_warn("efivars: get_next_variable: status=%lx\n", status);
status = EFI_NOT_FOUND;
break;
}
diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c
index 05637d585..1b50470c4 100644
--- a/drivers/gpio/gpio-74x164.c
+++ b/drivers/gpio/gpio-74x164.c
@@ -127,8 +127,6 @@ static int gen_74x164_probe(struct spi_device *spi)
if (IS_ERR(chip->gpiod_oe))
return PTR_ERR(chip->gpiod_oe);
- gpiod_set_value_cansleep(chip->gpiod_oe, 1);
-
spi_set_drvdata(spi, chip);
chip->gpio_chip.label = spi->modalias;
@@ -153,6 +151,8 @@ static int gen_74x164_probe(struct spi_device *spi)
goto exit_destroy;
}
+ gpiod_set_value_cansleep(chip->gpiod_oe, 1);
+
ret = gpiochip_add_data(&chip->gpio_chip, chip);
if (!ret)
return 0;
diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index 865ab2b34..3dfb8b6c6 100644
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -318,20 +318,27 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
switch (flow_type) {
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IEV, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IC, 1);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IEV, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_DBNC_IC, 1);
break;
case IRQ_TYPE_EDGE_RISING:
case IRQ_TYPE_EDGE_FALLING:
case IRQ_TYPE_EDGE_BOTH:
state = sprd_eic_get(chip, offset);
- if (state)
+ if (state) {
sprd_eic_update(chip, offset,
SPRD_EIC_DBNC_IEV, 0);
- else
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_DBNC_IC, 1);
+ } else {
sprd_eic_update(chip, offset,
SPRD_EIC_DBNC_IEV, 1);
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_DBNC_IC, 1);
+ }
break;
default:
return -ENOTSUPP;
@@ -343,20 +350,27 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
switch (flow_type) {
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTCLR, 1);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_LATCH_INTCLR, 1);
break;
case IRQ_TYPE_EDGE_RISING:
case IRQ_TYPE_EDGE_FALLING:
case IRQ_TYPE_EDGE_BOTH:
state = sprd_eic_get(chip, offset);
- if (state)
+ if (state) {
sprd_eic_update(chip, offset,
SPRD_EIC_LATCH_INTPOL, 0);
- else
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_LATCH_INTCLR, 1);
+ } else {
sprd_eic_update(chip, offset,
SPRD_EIC_LATCH_INTPOL, 1);
+ sprd_eic_update(chip, offset,
+ SPRD_EIC_LATCH_INTCLR, 1);
+ }
break;
default:
return -ENOTSUPP;
@@ -370,29 +384,34 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_BOTH:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_ASYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
default:
@@ -405,29 +424,34 @@ static int sprd_eic_irq_set_type(struct irq_data *data, unsigned int flow_type)
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_BOTH:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 1);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
case IRQ_TYPE_LEVEL_LOW:
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTBOTH, 0);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTMODE, 1);
sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTPOL, 0);
+ sprd_eic_update(chip, offset, SPRD_EIC_SYNC_INTCLR, 1);
irq_set_handler_locked(data, handle_level_irq);
break;
default:
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 44ee319da..12012e164 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1479,6 +1479,20 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] __initconst = {
.ignore_wake = "INT33FF:01@0",
},
},
+ {
+ /*
+ * Spurious wakeups from TP_ATTN# pin
+ * Found in BIOS 0.35
+ * https://gitlab.freedesktop.org/drm/amd/-/issues/3073
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GPD"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "G1619-04"),
+ },
+ .driver_data = &(struct acpi_gpiolib_dmi_quirk) {
+ .ignore_wake = "PNP0C50:00@8",
+ },
+ },
{} /* Terminating entry */
};
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d10f62108..374bb9f43 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -732,11 +732,11 @@ int gpiochip_add_data_with_key(struct gpio_chip *gc, void *data,
ret = gpiochip_irqchip_init_valid_mask(gc);
if (ret)
- goto err_remove_acpi_chip;
+ goto err_free_hogs;
ret = gpiochip_irqchip_init_hw(gc);
if (ret)
- goto err_remove_acpi_chip;
+ goto err_remove_irqchip_mask;
ret = gpiochip_add_irqchip(gc, lock_key, request_key);
if (ret)
@@ -761,13 +761,13 @@ err_remove_irqchip:
gpiochip_irqchip_remove(gc);
err_remove_irqchip_mask:
gpiochip_irqchip_free_valid_mask(gc);
-err_remove_acpi_chip:
+err_free_hogs:
+ gpiochip_free_hogs(gc);
acpi_gpiochip_remove(gc);
+ gpiochip_remove_pin_ranges(gc);
err_remove_of_chip:
- gpiochip_free_hogs(gc);
of_gpiochip_remove(gc);
err_free_gpiochip_mask:
- gpiochip_remove_pin_ranges(gc);
gpiochip_free_valid_mask(gc);
err_remove_from_list:
spin_lock_irqsave(&gpio_lock, flags);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
index 3107b9575..eef7517c9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_fence.c
@@ -88,7 +88,7 @@ struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
return NULL;
fence = container_of(f, struct amdgpu_amdkfd_fence, base);
- if (fence && f->ops == &amdkfd_fence_ops)
+ if (f->ops == &amdkfd_fence_ops)
return fence;
return NULL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 1b4c7ced8..4a95a624f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1259,6 +1259,7 @@ allocate_init_user_pages_failed:
err_bo_create:
unreserve_mem_limit(adev, size, alloc_domain, !!sg);
err_reserve_limit:
+ amdgpu_sync_free(&(*mem)->sync);
mutex_destroy(&(*mem)->lock);
kfree(*mem);
err:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a093f1b27..e833c02fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1184,6 +1184,7 @@ bool amdgpu_device_need_post(struct amdgpu_device *adev)
return true;
fw_ver = *((uint32_t *)adev->pm.fw->data + 69);
+ release_firmware(adev->pm.fw);
if (fw_ver < 0x00160e00)
return true;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 8ea6c4952..6a22bc41c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -241,7 +241,8 @@ int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
/* Never sync to VM updates either. */
if (fence_owner == AMDGPU_FENCE_OWNER_VM &&
- owner != AMDGPU_FENCE_OWNER_UNDEFINED)
+ owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
+ owner != AMDGPU_FENCE_OWNER_KFD)
continue;
/* Ignore fences depending on the sync mode */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 8445bb7ae..ad3de971a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2201,6 +2201,37 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev,
trace_amdgpu_vm_bo_map(bo_va, mapping);
}
+/* Validate operation parameters to prevent potential abuse */
+static int amdgpu_vm_verify_parameters(struct amdgpu_device *adev,
+ struct amdgpu_bo *bo,
+ uint64_t saddr,
+ uint64_t offset,
+ uint64_t size)
+{
+ uint64_t tmp, lpfn;
+
+ if (saddr & AMDGPU_GPU_PAGE_MASK
+ || offset & AMDGPU_GPU_PAGE_MASK
+ || size & AMDGPU_GPU_PAGE_MASK)
+ return -EINVAL;
+
+ if (check_add_overflow(saddr, size, &tmp)
+ || check_add_overflow(offset, size, &tmp)
+ || size == 0 /* which also leads to end < begin */)
+ return -EINVAL;
+
+ /* make sure object fit at this offset */
+ if (bo && offset + size > amdgpu_bo_size(bo))
+ return -EINVAL;
+
+ /* Ensure last pfn not exceed max_pfn */
+ lpfn = (saddr + size - 1) >> AMDGPU_GPU_PAGE_SHIFT;
+ if (lpfn >= adev->vm_manager.max_pfn)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
* amdgpu_vm_bo_map - map bo inside a vm
*
@@ -2227,21 +2258,14 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
struct amdgpu_bo *bo = bo_va->base.bo;
struct amdgpu_vm *vm = bo_va->base.vm;
uint64_t eaddr;
+ int r;
- /* validate the parameters */
- if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
- return -EINVAL;
- if (saddr + size <= saddr || offset + size <= offset)
- return -EINVAL;
-
- /* make sure object fit at this offset */
- eaddr = saddr + size - 1;
- if ((bo && offset + size > amdgpu_bo_size(bo)) ||
- (eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
- return -EINVAL;
+ r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
+ if (r)
+ return r;
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr);
if (tmp) {
@@ -2294,17 +2318,9 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
uint64_t eaddr;
int r;
- /* validate the parameters */
- if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
- return -EINVAL;
- if (saddr + size <= saddr || offset + size <= offset)
- return -EINVAL;
-
- /* make sure object fit at this offset */
- eaddr = saddr + size - 1;
- if ((bo && offset + size > amdgpu_bo_size(bo)) ||
- (eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
- return -EINVAL;
+ r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
+ if (r)
+ return r;
/* Allocate all the needed memory */
mapping = kmalloc(sizeof(*mapping), GFP_KERNEL);
@@ -2318,7 +2334,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
}
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
mapping->start = saddr;
mapping->last = eaddr;
@@ -2405,10 +2421,14 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *before, *after, *tmp, *next;
LIST_HEAD(removed);
uint64_t eaddr;
+ int r;
+
+ r = amdgpu_vm_verify_parameters(adev, NULL, saddr, 0, size);
+ if (r)
+ return r;
- eaddr = saddr + size - 1;
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
/* Allocate all the needed memory */
before = kzalloc(sizeof(*before), GFP_KERNEL);
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index 4cfc78669..c1841fa87 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -310,7 +310,7 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
DEBUG("IMM 0x%02X\n", val);
return val;
}
- return 0;
+ break;
case ATOM_ARG_PLL:
idx = U8(*ptr);
(*ptr)++;
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
index 1bd330d43..ad36f337c 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c
@@ -390,17 +390,21 @@ static void sdma_v5_2_ring_emit_hdp_flush(struct amdgpu_ring *ring)
u32 ref_and_mask = 0;
const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio.hdp_flush_reg;
- ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
-
- amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
- SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
- SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
- amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
- amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
- amdgpu_ring_write(ring, ref_and_mask); /* reference */
- amdgpu_ring_write(ring, ref_and_mask); /* mask */
- amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
- SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
+ if (ring->me > 1) {
+ amdgpu_asic_flush_hdp(adev, ring);
+ } else {
+ ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0 << ring->me;
+
+ amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
+ SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(1) |
+ SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
+ amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_done_offset(adev)) << 2);
+ amdgpu_ring_write(ring, (adev->nbio.funcs->get_hdp_flush_req_offset(adev)) << 2);
+ amdgpu_ring_write(ring, ref_and_mask); /* reference */
+ amdgpu_ring_write(ring, ref_and_mask); /* mask */
+ amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
+ SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(10)); /* retry count, poll interval */
+ }
}
/**
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 8cc51cec9..799a91a06 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -959,8 +959,8 @@ static int kfd_ioctl_get_process_apertures_new(struct file *filp,
* nodes, but not more than args->num_of_nodes as that is
* the amount of memory allocated by user
*/
- pa = kzalloc((sizeof(struct kfd_process_device_apertures) *
- args->num_of_nodes), GFP_KERNEL);
+ pa = kcalloc(args->num_of_nodes, sizeof(struct kfd_process_device_apertures),
+ GFP_KERNEL);
if (!pa)
return -ENOMEM;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 54d6b4128..3578e3b35 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1456,6 +1456,7 @@ static int dm_sw_fini(void *handle)
if (adev->dm.dmub_srv) {
dmub_srv_destroy(adev->dm.dmub_srv);
+ kfree(adev->dm.dmub_srv);
adev->dm.dmub_srv = NULL;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
index e43f82bcb..32dbd2a27 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c
@@ -1179,7 +1179,7 @@ static ssize_t dp_dsc_clock_en_read(struct file *f, char __user *buf,
const uint32_t rd_buf_size = 10;
struct pipe_ctx *pipe_ctx;
ssize_t result = 0;
- int i, r, str_len = 30;
+ int i, r, str_len = 10;
rd_buf = kcalloc(rd_buf_size, sizeof(char), GFP_KERNEL);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 36a9e9c84..272252cd0 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1440,6 +1440,10 @@ static enum dc_status dc_commit_state_no_check(struct dc *dc, struct dc_state *c
wait_for_no_pipes_pending(dc, context);
/* pplib is notified if disp_num changed */
dc->hwss.optimize_bandwidth(dc, context);
+ /* Need to do otg sync again as otg could be out of sync due to otg
+ * workaround applied during clock update
+ */
+ dc_trigger_sync(dc, context);
}
context->stream_mask = get_stream_mask(dc, context);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 1c669f115..8cf6e307a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1669,6 +1669,9 @@ bool dcn10_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
{
struct dpp *dpp = pipe_ctx->plane_res.dpp;
+ if (!stream)
+ return false;
+
if (dpp == NULL)
return false;
@@ -1691,8 +1694,8 @@ bool dcn10_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
} else
dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_BYPASS);
- if (stream != NULL && stream->ctx != NULL &&
- stream->out_transfer_func != NULL) {
+ if (stream->ctx &&
+ stream->out_transfer_func) {
log_tf(stream->ctx,
stream->out_transfer_func,
dpp->regamma_params.hw_points_num);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
index 22c77e96f..02d22f62c 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c
@@ -641,10 +641,20 @@ void dcn30_set_avmute(struct pipe_ctx *pipe_ctx, bool enable)
if (pipe_ctx == NULL)
return;
- if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL)
+ if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) && pipe_ctx->stream_res.stream_enc != NULL) {
pipe_ctx->stream_res.stream_enc->funcs->set_avmute(
pipe_ctx->stream_res.stream_enc,
enable);
+
+ /* Wait for two frame to make sure AV mute is sent out */
+ if (enable) {
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VBLANK);
+ pipe_ctx->stream_res.tg->funcs->wait_for_state(pipe_ctx->stream_res.tg, CRTC_STATE_VACTIVE);
+ }
+ }
}
void dcn30_update_info_frame(struct pipe_ctx *pipe_ctx)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index 972f2600f..05d96fa68 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -405,6 +405,9 @@ enum mod_hdcp_status mod_hdcp_hdcp2_create_session(struct mod_hdcp *hdcp)
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.hdcp_shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
hdcp_cmd->in_msg.hdcp2_create_session_v2.display_handle = display->index;
if (hdcp->connection.link.adjust.hdcp2.force_type == MOD_HDCP_FORCE_TYPE_0)
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
index 4220fd8fd..54cd86060 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
@@ -57,10 +57,10 @@ void mod_stats_update_event(struct mod_stats *mod_stats,
unsigned int length);
void mod_stats_update_flip(struct mod_stats *mod_stats,
- unsigned long timestamp_in_ns);
+ unsigned long long timestamp_in_ns);
void mod_stats_update_vupdate(struct mod_stats *mod_stats,
- unsigned long timestamp_in_ns);
+ unsigned long long timestamp_in_ns);
void mod_stats_update_freesync(struct mod_stats *mod_stats,
unsigned int v_total_min,
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
index b760f95e7..5998c78ad 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/process_pptables_v1_0.c
@@ -204,7 +204,7 @@ static int get_platform_power_management_table(
struct pp_hwmgr *hwmgr,
ATOM_Tonga_PPM_Table *atom_ppm_table)
{
- struct phm_ppm_table *ptr = kzalloc(sizeof(ATOM_Tonga_PPM_Table), GFP_KERNEL);
+ struct phm_ppm_table *ptr = kzalloc(sizeof(*ptr), GFP_KERNEL);
struct phm_ppt_v1_information *pp_table_information =
(struct phm_ppt_v1_information *)(hwmgr->pptable);
diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c
index e941c1132..eebb2dece 100644
--- a/drivers/gpu/drm/bridge/nxp-ptn3460.c
+++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c
@@ -54,13 +54,13 @@ static int ptn3460_read_bytes(struct ptn3460_bridge *ptn_bridge, char addr,
int ret;
ret = i2c_master_send(ptn_bridge->client, &addr, 1);
- if (ret <= 0) {
+ if (ret < 0) {
DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
return ret;
}
ret = i2c_master_recv(ptn_bridge->client, buf, len);
- if (ret <= 0) {
+ if (ret < 0) {
DRM_ERROR("Failed to recv i2c data, ret=%d\n", ret);
return ret;
}
@@ -78,7 +78,7 @@ static int ptn3460_write_byte(struct ptn3460_bridge *ptn_bridge, char addr,
buf[1] = val;
ret = i2c_master_send(ptn_bridge->client, buf, ARRAY_SIZE(buf));
- if (ret <= 0) {
+ if (ret < 0) {
DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
return ret;
}
diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c
index d5fd41823..7872a04e9 100644
--- a/drivers/gpu/drm/drm_client_modeset.c
+++ b/drivers/gpu/drm/drm_client_modeset.c
@@ -774,6 +774,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width,
unsigned int total_modes_count = 0;
struct drm_client_offset *offsets;
unsigned int connector_count = 0;
+ /* points to modes protected by mode_config.mutex */
struct drm_display_mode **modes;
struct drm_crtc **crtcs;
int i, ret = 0;
@@ -842,7 +843,6 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width,
drm_client_pick_crtcs(client, connectors, connector_count,
crtcs, modes, 0, width, height);
}
- mutex_unlock(&dev->mode_config.mutex);
drm_client_modeset_release(client);
@@ -872,6 +872,7 @@ int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width,
modeset->y = offset->y;
}
}
+ mutex_unlock(&dev->mode_config.mutex);
mutex_unlock(&client->modeset_mutex);
out:
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 537e7de8e..93da7b5d7 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -411,7 +411,7 @@ int drm_open(struct inode *inode, struct file *filp)
{
struct drm_device *dev;
struct drm_minor *minor;
- int retcode;
+ int retcode = 0;
int need_setup = 0;
minor = drm_minor_acquire(iminor(inode));
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 2f5b0c2bb..e490ef424 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -570,7 +570,7 @@ int drm_mode_getfb2_ioctl(struct drm_device *dev,
struct drm_mode_fb_cmd2 *r = data;
struct drm_framebuffer *fb;
unsigned int i;
- int ret;
+ int ret = 0;
if (!drm_core_check_feature(dev, DRIVER_MODESET))
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 0c806e99e..83918ac1f 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -300,7 +300,8 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv)
{
struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
- mipi_dsi_detach(dsi);
+ if (dsi->attached)
+ mipi_dsi_detach(dsi);
mipi_dsi_device_unregister(dsi);
return 0;
@@ -323,11 +324,18 @@ EXPORT_SYMBOL(mipi_dsi_host_unregister);
int mipi_dsi_attach(struct mipi_dsi_device *dsi)
{
const struct mipi_dsi_host_ops *ops = dsi->host->ops;
+ int ret;
if (!ops || !ops->attach)
return -ENOSYS;
- return ops->attach(dsi->host, dsi);
+ ret = ops->attach(dsi->host, dsi);
+ if (ret)
+ return ret;
+
+ dsi->attached = true;
+
+ return 0;
}
EXPORT_SYMBOL(mipi_dsi_attach);
@@ -339,9 +347,14 @@ int mipi_dsi_detach(struct mipi_dsi_device *dsi)
{
const struct mipi_dsi_host_ops *ops = dsi->host->ops;
+ if (WARN_ON(!dsi->attached))
+ return -EINVAL;
+
if (!ops || !ops->detach)
return -ENOSYS;
+ dsi->attached = false;
+
return ops->detach(dsi->host, dsi);
}
EXPORT_SYMBOL(mipi_dsi_detach);
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index f634371c7..7fd3de89e 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -207,19 +207,24 @@ EXPORT_SYMBOL(drm_panel_disable);
* The modes probed from the panel are automatically added to the connector
* that the panel is attached to.
*
- * Return: The number of modes available from the panel on success or a
- * negative error code on failure.
+ * Return: The number of modes available from the panel on success, or 0 on
+ * failure (no modes).
*/
int drm_panel_get_modes(struct drm_panel *panel,
struct drm_connector *connector)
{
if (!panel)
- return -EINVAL;
+ return 0;
- if (panel->funcs && panel->funcs->get_modes)
- return panel->funcs->get_modes(panel, connector);
+ if (panel->funcs && panel->funcs->get_modes) {
+ int num;
- return -EOPNOTSUPP;
+ num = panel->funcs->get_modes(panel, connector);
+ if (num > 0)
+ return num;
+ }
+
+ return 0;
}
EXPORT_SYMBOL(drm_panel_get_modes);
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 24f643982..79249568b 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -1213,6 +1213,7 @@ retry:
out:
if (fb)
drm_framebuffer_put(fb);
+ fb = NULL;
if (plane->old_fb)
drm_framebuffer_put(plane->old_fb);
plane->old_fb = NULL;
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 738e60139..6ce446cc8 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -387,6 +387,15 @@ int drm_syncobj_find_fence(struct drm_file *file_private,
if (!syncobj)
return -ENOENT;
+ /* Waiting for userspace with locks help is illegal cause that can
+ * trivial deadlock with page faults for example. Make lockdep complain
+ * about it early on.
+ */
+ if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT) {
+ might_sleep();
+ lockdep_assert_none_held_once();
+ }
+
*fence = drm_syncobj_fence_get(syncobj);
if (*fence) {
@@ -951,6 +960,10 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
uint64_t *points;
uint32_t signaled_count, i;
+ if (flags & (DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT |
+ DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE))
+ lockdep_assert_none_held_once();
+
points = kmalloc_array(count, sizeof(*points), GFP_KERNEL);
if (points == NULL)
return -ENOMEM;
@@ -1017,7 +1030,8 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
* fallthough and try a 0 timeout wait!
*/
- if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT) {
+ if (flags & (DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT |
+ DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE)) {
for (i = 0; i < count; ++i)
drm_syncobj_fence_add_wait(syncobjs[i], &entries[i]);
}
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index a9a3afaef..edf938706 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -511,7 +511,7 @@ static struct drm_driver etnaviv_drm_driver = {
.desc = "etnaviv DRM",
.date = "20151214",
.major = 1,
- .minor = 3,
+ .minor = 4,
};
/*
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
index 167971a09..e9b777ab3 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
@@ -73,6 +73,9 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu)
{
struct etnaviv_chip_identity *ident = &gpu->identity;
+ const u32 product_id = ident->product_id;
+ const u32 customer_id = ident->customer_id;
+ const u32 eco_id = ident->eco_id;
int i;
for (i = 0; i < ARRAY_SIZE(etnaviv_chip_identities); i++) {
@@ -86,6 +89,12 @@ bool etnaviv_fill_identity_from_hwdb(struct etnaviv_gpu *gpu)
etnaviv_chip_identities[i].eco_id == ~0U)) {
memcpy(ident, &etnaviv_chip_identities[i],
sizeof(*ident));
+
+ /* Restore some id values as ~0U aka 'don't care' might been used. */
+ ident->product_id = product_id;
+ ident->customer_id = customer_id;
+ ident->eco_id = eco_id;
+
return true;
}
}
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index c277d2fc5..e43dfea09 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -318,9 +318,9 @@ static void decon_win_set_bldmod(struct decon_context *ctx, unsigned int win,
static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
struct drm_framebuffer *fb)
{
- struct exynos_drm_plane plane = ctx->planes[win];
+ struct exynos_drm_plane *plane = &ctx->planes[win];
struct exynos_drm_plane_state *state =
- to_exynos_plane_state(plane.base.state);
+ to_exynos_plane_state(plane->base.state);
unsigned int alpha = state->base.alpha;
unsigned int pixel_alpha;
unsigned long val;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index dbd80f1e4..7e13c1550 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -344,6 +344,7 @@ err_mode_config_cleanup:
drm_mode_config_cleanup(drm);
exynos_drm_cleanup_dma(drm);
kfree(private);
+ dev_set_drvdata(dev, NULL);
err_free_drm:
drm_dev_put(drm);
@@ -358,6 +359,7 @@ static void exynos_drm_unbind(struct device *dev)
exynos_drm_fbdev_fini(drm);
drm_kms_helper_poll_fini(drm);
+ drm_atomic_helper_shutdown(drm);
component_unbind_all(drm->dev, drm);
drm_mode_config_cleanup(drm);
@@ -395,9 +397,18 @@ static int exynos_drm_platform_remove(struct platform_device *pdev)
return 0;
}
+static void exynos_drm_platform_shutdown(struct platform_device *pdev)
+{
+ struct drm_device *drm = platform_get_drvdata(pdev);
+
+ if (drm)
+ drm_atomic_helper_shutdown(drm);
+}
+
static struct platform_driver exynos_drm_platform_driver = {
.probe = exynos_drm_platform_probe,
.remove = exynos_drm_platform_remove,
+ .shutdown = exynos_drm_platform_shutdown,
.driver = {
.name = "exynos-drm",
.pm = &exynos_drm_pm_ops,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index bb67cad83..c045330f9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -637,9 +637,9 @@ static void fimd_win_set_bldmod(struct fimd_context *ctx, unsigned int win,
static void fimd_win_set_pixfmt(struct fimd_context *ctx, unsigned int win,
struct drm_framebuffer *fb, int width)
{
- struct exynos_drm_plane plane = ctx->planes[win];
+ struct exynos_drm_plane *plane = &ctx->planes[win];
struct exynos_drm_plane_state *state =
- to_exynos_plane_state(plane.base.state);
+ to_exynos_plane_state(plane->base.state);
uint32_t pixel_format = fb->format->format;
unsigned int alpha = state->base.alpha;
u32 val = WINCONx_ENWIN;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 45e9aee83..bcf830c5b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1344,7 +1344,7 @@ static int __maybe_unused gsc_runtime_resume(struct device *dev)
for (i = 0; i < ctx->num_clocks; i++) {
ret = clk_prepare_enable(ctx->clocks[i]);
if (ret) {
- while (--i > 0)
+ while (--i >= 0)
clk_disable_unprepare(ctx->clocks[i]);
return ret;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index e96436e11..e1ffe8a28 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -315,14 +315,14 @@ static int vidi_get_modes(struct drm_connector *connector)
*/
if (!ctx->raw_edid) {
DRM_DEV_DEBUG_KMS(ctx->dev, "raw_edid is null.\n");
- return -EFAULT;
+ return 0;
}
edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
if (!edid) {
DRM_DEV_DEBUG_KMS(ctx->dev, "failed to allocate edid\n");
- return -ENOMEM;
+ return 0;
}
drm_connector_update_edid_property(connector, edid);
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 981bffacd..576fcf180 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -878,11 +878,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
int ret;
if (!hdata->ddc_adpt)
- return -ENODEV;
+ return 0;
edid = drm_get_edid(connector, hdata->ddc_adpt);
if (!edid)
- return -ENODEV;
+ return 0;
hdata->dvi_mode = !drm_detect_hdmi_monitor(edid);
DRM_DEV_DEBUG_KMS(hdata->dev, "%s : width[%d] x height[%d]\n",
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index f7b2e07e2..f9fdbd79c 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -250,9 +250,6 @@ static int __engine_park(struct intel_wakeref *wf)
intel_engine_park_heartbeat(engine);
intel_breadcrumbs_park(engine->breadcrumbs);
- /* Must be reset upon idling, or we may miss the busy wakeup. */
- GEM_BUG_ON(engine->execlists.queue_priority_hint != INT_MIN);
-
if (engine->park)
engine->park(engine);
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index ee9b33c3a..5a414d989 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -5032,6 +5032,9 @@ static void execlists_park(struct intel_engine_cs *engine)
{
cancel_timer(&engine->execlists.timer);
cancel_timer(&engine->execlists.preempt);
+
+ /* Reset upon idling, or we may delay the busy wakeup. */
+ WRITE_ONCE(engine->execlists.queue_priority_hint, INT_MIN);
}
void intel_execlists_set_default_submission(struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index b61bfa84b..bcd6b9ee8 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -65,14 +65,14 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
int ret;
if (!mode)
- return -EINVAL;
+ return 0;
ret = of_get_drm_display_mode(np, &imxpd->mode,
&imxpd->bus_flags,
OF_USE_NATIVE_MODE);
if (ret) {
drm_mode_destroy(connector->dev, mode);
- return ret;
+ return 0;
}
drm_mode_copy(mode, &imxpd->mode);
diff --git a/drivers/gpu/drm/lima/lima_gem.c b/drivers/gpu/drm/lima/lima_gem.c
index 11223fe34..894175f2e 100644
--- a/drivers/gpu/drm/lima/lima_gem.c
+++ b/drivers/gpu/drm/lima/lima_gem.c
@@ -74,29 +74,34 @@ int lima_heap_alloc(struct lima_bo *bo, struct lima_vm *vm)
} else {
bo->base.sgt = kmalloc(sizeof(*bo->base.sgt), GFP_KERNEL);
if (!bo->base.sgt) {
- sg_free_table(&sgt);
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_out0;
}
}
ret = dma_map_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
- if (ret) {
- sg_free_table(&sgt);
- kfree(bo->base.sgt);
- bo->base.sgt = NULL;
- return ret;
- }
+ if (ret)
+ goto err_out1;
*bo->base.sgt = sgt;
if (vm) {
ret = lima_vm_map_bo(vm, bo, old_size >> PAGE_SHIFT);
if (ret)
- return ret;
+ goto err_out2;
}
bo->heap_size = new_size;
return 0;
+
+err_out2:
+ dma_unmap_sgtable(dev, &sgt, DMA_BIDIRECTIONAL, 0);
+err_out1:
+ kfree(bo->base.sgt);
+ bo->base.sgt = NULL;
+err_out0:
+ sg_free_table(&sgt);
+ return ret;
}
int lima_gem_create_handle(struct drm_device *dev, struct drm_file *file,
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 1eaf51316..d08827803 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -84,11 +84,13 @@ static void mtk_drm_crtc_finish_page_flip(struct mtk_drm_crtc *mtk_crtc)
struct drm_crtc *crtc = &mtk_crtc->base;
unsigned long flags;
- spin_lock_irqsave(&crtc->dev->event_lock, flags);
- drm_crtc_send_vblank_event(crtc, mtk_crtc->event);
- drm_crtc_vblank_put(crtc);
- mtk_crtc->event = NULL;
- spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+ if (mtk_crtc->event) {
+ spin_lock_irqsave(&crtc->dev->event_lock, flags);
+ drm_crtc_send_vblank_event(crtc, mtk_crtc->event);
+ drm_crtc_vblank_put(crtc);
+ mtk_crtc->event = NULL;
+ spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+ }
}
static void mtk_drm_finish_page_flip(struct mtk_drm_crtc *mtk_crtc)
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index a6e71b7b6..17d45f06c 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -68,8 +68,8 @@
#define DSI_PS_WC 0x3fff
#define DSI_PS_SEL (3 << 16)
#define PACKED_PS_16BIT_RGB565 (0 << 16)
-#define LOOSELY_PS_18BIT_RGB666 (1 << 16)
-#define PACKED_PS_18BIT_RGB666 (2 << 16)
+#define PACKED_PS_18BIT_RGB666 (1 << 16)
+#define LOOSELY_PS_24BIT_RGB666 (2 << 16)
#define PACKED_PS_24BIT_RGB888 (3 << 16)
#define DSI_VSA_NL 0x20
@@ -365,10 +365,10 @@ static void mtk_dsi_ps_control_vact(struct mtk_dsi *dsi)
ps_bpp_mode |= PACKED_PS_24BIT_RGB888;
break;
case MIPI_DSI_FMT_RGB666:
- ps_bpp_mode |= PACKED_PS_18BIT_RGB666;
+ ps_bpp_mode |= LOOSELY_PS_24BIT_RGB666;
break;
case MIPI_DSI_FMT_RGB666_PACKED:
- ps_bpp_mode |= LOOSELY_PS_18BIT_RGB666;
+ ps_bpp_mode |= PACKED_PS_18BIT_RGB666;
break;
case MIPI_DSI_FMT_RGB565:
ps_bpp_mode |= PACKED_PS_16BIT_RGB565;
@@ -419,7 +419,7 @@ static void mtk_dsi_ps_control(struct mtk_dsi *dsi)
dsi_tmp_buf_bpp = 3;
break;
case MIPI_DSI_FMT_RGB666:
- tmp_reg = LOOSELY_PS_18BIT_RGB666;
+ tmp_reg = LOOSELY_PS_24BIT_RGB666;
dsi_tmp_buf_bpp = 3;
break;
case MIPI_DSI_FMT_RGB666_PACKED:
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 408fc6c8a..44033a639 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -45,6 +45,9 @@
(p) ? ((p)->hw_pp ? (p)->hw_pp->idx - PINGPONG_0 : -1) : -1, \
##__VA_ARGS__)
+#define DPU_ERROR_ENC_RATELIMITED(e, fmt, ...) DPU_ERROR_RATELIMITED("enc%d " fmt,\
+ (e) ? (e)->base.base.id : -1, ##__VA_ARGS__)
+
/*
* Two to anticipate panels that can do cmd/vid dynamic switching
* plan is to create all possible physical encoder types, and switch between
@@ -2135,7 +2138,7 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t)
return;
}
- DPU_ERROR_ENC(dpu_enc, "frame done timeout\n");
+ DPU_ERROR_ENC_RATELIMITED(dpu_enc, "frame done timeout\n");
event = DPU_ENCODER_FRAME_EVENT_ERROR;
trace_dpu_enc_frame_done_timeout(DRMID(drm_enc), event);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 805e059b5..33880f666 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -265,12 +265,14 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
mode.htotal >>= 1;
mode.hsync_start >>= 1;
mode.hsync_end >>= 1;
+ mode.hskew >>= 1;
DPU_DEBUG_VIDENC(phys_enc,
- "split_role %d, halve horizontal %d %d %d %d\n",
+ "split_role %d, halve horizontal %d %d %d %d %d\n",
phys_enc->split_role,
mode.hdisplay, mode.htotal,
- mode.hsync_start, mode.hsync_end);
+ mode.hsync_start, mode.hsync_end,
+ mode.hskew);
}
drm_mode_to_intf_timing_params(phys_enc, &mode, &timing_params);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index 1c0e4c0c9..bb7c7e437 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -52,6 +52,7 @@
} while (0)
#define DPU_ERROR(fmt, ...) pr_err("[dpu error]" fmt, ##__VA_ARGS__)
+#define DPU_ERROR_RATELIMITED(fmt, ...) pr_err_ratelimited("[dpu error]" fmt, ##__VA_ARGS__)
/**
* ktime_compare_safe - compare two ktime structures
diff --git a/drivers/gpu/drm/msm/dp/dp_link.c b/drivers/gpu/drm/msm/dp/dp_link.c
index be986da78..172a33e8f 100644
--- a/drivers/gpu/drm/msm/dp/dp_link.c
+++ b/drivers/gpu/drm/msm/dp/dp_link.c
@@ -7,6 +7,7 @@
#include <drm/drm_print.h>
+#include "dp_reg.h"
#include "dp_link.h"
#include "dp_panel.h"
@@ -1078,7 +1079,7 @@ int dp_link_process_request(struct dp_link *dp_link)
int dp_link_get_colorimetry_config(struct dp_link *dp_link)
{
- u32 cc;
+ u32 cc = DP_MISC0_COLORIMERY_CFG_LEGACY_RGB;
struct dp_link_private *link;
if (!dp_link) {
@@ -1092,10 +1093,11 @@ int dp_link_get_colorimetry_config(struct dp_link *dp_link)
* Unless a video pattern CTS test is ongoing, use RGB_VESA
* Only RGB_VESA and RGB_CEA supported for now
*/
- if (dp_link_is_video_pattern_requested(link))
- cc = link->dp_link.test_video.test_dyn_range;
- else
- cc = DP_TEST_DYNAMIC_RANGE_VESA;
+ if (dp_link_is_video_pattern_requested(link)) {
+ if (link->dp_link.test_video.test_dyn_range &
+ DP_TEST_DYNAMIC_RANGE_CEA)
+ cc = DP_MISC0_COLORIMERY_CFG_CEA_RGB;
+ }
return cc;
}
diff --git a/drivers/gpu/drm/msm/dp/dp_reg.h b/drivers/gpu/drm/msm/dp/dp_reg.h
index 268602803..176a503ec 100644
--- a/drivers/gpu/drm/msm/dp/dp_reg.h
+++ b/drivers/gpu/drm/msm/dp/dp_reg.h
@@ -129,6 +129,9 @@
#define DP_MISC0_COLORIMETRY_CFG_SHIFT (0x00000001)
#define DP_MISC0_TEST_BITS_DEPTH_SHIFT (0x00000005)
+#define DP_MISC0_COLORIMERY_CFG_LEGACY_RGB (0)
+#define DP_MISC0_COLORIMERY_CFG_CEA_RGB (0x04)
+
#define REG_DP_VALID_BOUNDARY (0x00000030)
#define REG_DP_VALID_BOUNDARY_2 (0x00000034)
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 10eacfd95..b49135f38 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -710,6 +710,10 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
goto fail;
}
+ ret = devm_pm_runtime_enable(&pdev->dev);
+ if (ret)
+ return ret;
+
/* PLL init will call into clk_register which requires
* register access, so we need to enable power and ahb clock.
*/
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index d204ea8a5..5cdf0d8d4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -23,6 +23,7 @@
*/
#include "nouveau_drv.h"
+#include "nouveau_bios.h"
#include "nouveau_reg.h"
#include "dispnv04/hw.h"
#include "nouveau_encoder.h"
@@ -1672,7 +1673,7 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
*/
if (nv_match_device(dev, 0x0201, 0x1462, 0x8851)) {
if (*conn == 0xf2005014 && *conf == 0xffffffff) {
- fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, 1);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, DCB_OUTPUT_B);
return false;
}
}
@@ -1758,26 +1759,26 @@ fabricate_dcb_encoder_table(struct drm_device *dev, struct nvbios *bios)
#ifdef __powerpc__
/* Apple iMac G4 NV17 */
if (of_machine_is_compatible("PowerMac4,5")) {
- fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, 1);
- fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, 2);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, DCB_OUTPUT_B);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, DCB_OUTPUT_C);
return;
}
#endif
/* Make up some sane defaults */
fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG,
- bios->legacy.i2c_indices.crt, 1, 1);
+ bios->legacy.i2c_indices.crt, 1, DCB_OUTPUT_B);
if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0)
fabricate_dcb_output(dcb, DCB_OUTPUT_TV,
bios->legacy.i2c_indices.tv,
- all_heads, 0);
+ all_heads, DCB_OUTPUT_A);
else if (bios->tmds.output0_script_ptr ||
bios->tmds.output1_script_ptr)
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS,
bios->legacy.i2c_indices.panel,
- all_heads, 1);
+ all_heads, DCB_OUTPUT_B);
}
static int
diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.c b/drivers/gpu/drm/nouveau/nouveau_vmm.c
index a49e88129..ce1d53b85 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vmm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vmm.c
@@ -108,6 +108,9 @@ nouveau_vma_new(struct nouveau_bo *nvbo, struct nouveau_vmm *vmm,
} else {
ret = nvif_vmm_get(&vmm->vmm, PTES, false, mem->mem.page, 0,
mem->mem.size, &tmp);
+ if (ret)
+ goto done;
+
vma->addr = tmp.addr;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
index 4b571cc6b..6597def18 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
@@ -154,11 +154,17 @@ shadow_fw_init(struct nvkm_bios *bios, const char *name)
return (void *)fw;
}
+static void
+shadow_fw_release(void *fw)
+{
+ release_firmware(fw);
+}
+
static const struct nvbios_source
shadow_fw = {
.name = "firmware",
.init = shadow_fw_init,
- .fini = (void(*)(void *))release_firmware,
+ .fini = shadow_fw_release,
.read = shadow_fw_read,
.rw = false,
};
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c
index 4bf486b57..cb05f7f48 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c
@@ -66,11 +66,16 @@ of_init(struct nvkm_bios *bios, const char *name)
return ERR_PTR(-EINVAL);
}
+static void of_fini(void *p)
+{
+ kfree(p);
+}
+
const struct nvbios_source
nvbios_of = {
.name = "OpenFirmware",
.init = of_init,
- .fini = (void(*)(void *))kfree,
+ .fini = of_fini,
.read = of_read,
.size = of_size,
.rw = false,
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
index 02c4eb28c..f3db07325 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
@@ -221,8 +221,11 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
void __iomem *map = NULL;
/* Already mapped? */
- if (refcount_inc_not_zero(&iobj->maps))
+ if (refcount_inc_not_zero(&iobj->maps)) {
+ /* read barrier match the wmb on refcount set */
+ smp_rmb();
return iobj->map;
+ }
/* Take the lock, and re-check that another thread hasn't
* already mapped the object in the meantime.
@@ -249,6 +252,8 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
iobj->base.memory.ptrs = &nv50_instobj_fast;
else
iobj->base.memory.ptrs = &nv50_instobj_slow;
+ /* barrier to ensure the ptrs are written before refcount is set */
+ smp_wmb();
refcount_set(&iobj->maps, 1);
}
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index ee01b61a6..51470020b 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3635,6 +3635,7 @@ static const struct panel_desc tianma_tm070jdhg30 = {
},
.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
.connector_type = DRM_MODE_CONNECTOR_LVDS,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH,
};
static const struct panel_desc tianma_tm070jvhg33 = {
@@ -3647,6 +3648,7 @@ static const struct panel_desc tianma_tm070jvhg33 = {
},
.bus_format = MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
.connector_type = DRM_MODE_CONNECTOR_LVDS,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH,
};
static const struct display_timing tianma_tm070rvhg71_timing = {
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
index eb43503ec..6134432e4 100644
--- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -261,8 +261,6 @@ static int visionox_rm69299_remove(struct mipi_dsi_device *dsi)
struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
- mipi_dsi_device_unregister(ctx->dsi);
-
drm_panel_remove(&ctx->panel);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 02feb0801..50c7430f8 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -826,7 +826,7 @@ int ni_init_microcode(struct radeon_device *rdev)
err = 0;
} else if (rdev->smc_fw->size != smc_req_size) {
pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
- rdev->mc_fw->size, fw_name);
+ rdev->smc_fw->size, fw_name);
err = -EINVAL;
}
}
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 78120da5e..27540d308 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -402,7 +402,7 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_L, value & 0xFF);
hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HBLANK_H, (value >> 8) & 0xFF);
- value = mode->hsync_start - mode->hdisplay;
+ value = mode->htotal - mode->hsync_start;
hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_L, value & 0xFF);
hdmi_writeb(hdmi, HDMI_VIDEO_EXT_HDELAY_H, (value >> 8) & 0xFF);
@@ -417,7 +417,7 @@ static int inno_hdmi_config_video_timing(struct inno_hdmi *hdmi,
value = mode->vtotal - mode->vdisplay;
hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VBLANK, value & 0xFF);
- value = mode->vsync_start - mode->vdisplay;
+ value = mode->vtotal - mode->vsync_start;
hdmi_writeb(hdmi, HDMI_VIDEO_EXT_VDELAY, value & 0xFF);
value = mode->vsync_end - mode->vsync_start;
diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index e2487937c..96c13c182 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -572,8 +572,7 @@ static int rockchip_lvds_bind(struct device *dev, struct device *master,
ret = -EINVAL;
goto err_put_port;
} else if (ret) {
- DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n");
- ret = -EPROBE_DEFER;
+ dev_err_probe(dev, ret, "failed to find panel and bridge node\n");
goto err_put_port;
}
if (lvds->panel)
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index de1333dc0..7bb26655c 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -1534,9 +1534,11 @@ static int tegra_dsi_ganged_probe(struct tegra_dsi *dsi)
np = of_parse_phandle(dsi->dev->of_node, "nvidia,ganged-mode", 0);
if (np) {
struct platform_device *gangster = of_find_device_by_node(np);
+ of_node_put(np);
+ if (!gangster)
+ return -EPROBE_DEFER;
dsi->slave = platform_get_drvdata(gangster);
- of_node_put(np);
if (!dsi->slave) {
put_device(&gangster->dev);
@@ -1584,48 +1586,58 @@ static int tegra_dsi_probe(struct platform_device *pdev)
if (!pdev->dev.pm_domain) {
dsi->rst = devm_reset_control_get(&pdev->dev, "dsi");
- if (IS_ERR(dsi->rst))
- return PTR_ERR(dsi->rst);
+ if (IS_ERR(dsi->rst)) {
+ err = PTR_ERR(dsi->rst);
+ goto remove;
+ }
}
dsi->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(dsi->clk)) {
- dev_err(&pdev->dev, "cannot get DSI clock\n");
- return PTR_ERR(dsi->clk);
+ err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk),
+ "cannot get DSI clock\n");
+ goto remove;
}
dsi->clk_lp = devm_clk_get(&pdev->dev, "lp");
if (IS_ERR(dsi->clk_lp)) {
- dev_err(&pdev->dev, "cannot get low-power clock\n");
- return PTR_ERR(dsi->clk_lp);
+ err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_lp),
+ "cannot get low-power clock\n");
+ goto remove;
}
dsi->clk_parent = devm_clk_get(&pdev->dev, "parent");
if (IS_ERR(dsi->clk_parent)) {
- dev_err(&pdev->dev, "cannot get parent clock\n");
- return PTR_ERR(dsi->clk_parent);
+ err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->clk_parent),
+ "cannot get parent clock\n");
+ goto remove;
}
dsi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi");
if (IS_ERR(dsi->vdd)) {
- dev_err(&pdev->dev, "cannot get VDD supply\n");
- return PTR_ERR(dsi->vdd);
+ err = dev_err_probe(&pdev->dev, PTR_ERR(dsi->vdd),
+ "cannot get VDD supply\n");
+ goto remove;
}
err = tegra_dsi_setup_clocks(dsi);
if (err < 0) {
dev_err(&pdev->dev, "cannot setup clocks\n");
- return err;
+ goto remove;
}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dsi->regs = devm_ioremap_resource(&pdev->dev, regs);
- if (IS_ERR(dsi->regs))
- return PTR_ERR(dsi->regs);
+ if (IS_ERR(dsi->regs)) {
+ err = PTR_ERR(dsi->regs);
+ goto remove;
+ }
dsi->mipi = tegra_mipi_request(&pdev->dev, pdev->dev.of_node);
- if (IS_ERR(dsi->mipi))
- return PTR_ERR(dsi->mipi);
+ if (IS_ERR(dsi->mipi)) {
+ err = PTR_ERR(dsi->mipi);
+ goto remove;
+ }
dsi->host.ops = &tegra_dsi_host_ops;
dsi->host.dev = &pdev->dev;
@@ -1653,9 +1665,12 @@ static int tegra_dsi_probe(struct platform_device *pdev)
return 0;
unregister:
+ pm_runtime_disable(&pdev->dev);
mipi_dsi_host_unregister(&dsi->host);
mipi_free:
tegra_mipi_free(dsi->mipi);
+remove:
+ tegra_output_remove(&dsi->output);
return err;
}
diff --git a/drivers/gpu/drm/tegra/fb.c b/drivers/gpu/drm/tegra/fb.c
index 01939c57f..2040dbfed 100644
--- a/drivers/gpu/drm/tegra/fb.c
+++ b/drivers/gpu/drm/tegra/fb.c
@@ -155,6 +155,7 @@ struct drm_framebuffer *tegra_fb_create(struct drm_device *drm,
if (gem->size < size) {
err = -EINVAL;
+ drm_gem_object_put(gem);
goto unreference;
}
diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 47d26b5d9..7ccd010a8 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -139,8 +139,10 @@ int tegra_output_probe(struct tegra_output *output)
GPIOD_IN,
"HDMI hotplug detect");
if (IS_ERR(output->hpd_gpio)) {
- if (PTR_ERR(output->hpd_gpio) != -ENOENT)
- return PTR_ERR(output->hpd_gpio);
+ if (PTR_ERR(output->hpd_gpio) != -ENOENT) {
+ err = PTR_ERR(output->hpd_gpio);
+ goto put_i2c;
+ }
output->hpd_gpio = NULL;
}
@@ -149,7 +151,7 @@ int tegra_output_probe(struct tegra_output *output)
err = gpiod_to_irq(output->hpd_gpio);
if (err < 0) {
dev_err(output->dev, "gpiod_to_irq(): %d\n", err);
- return err;
+ goto put_i2c;
}
output->hpd_irq = err;
@@ -162,7 +164,7 @@ int tegra_output_probe(struct tegra_output *output)
if (err < 0) {
dev_err(output->dev, "failed to request IRQ#%u: %d\n",
output->hpd_irq, err);
- return err;
+ goto put_i2c;
}
output->connector.polled = DRM_CONNECTOR_POLL_HPD;
@@ -176,6 +178,12 @@ int tegra_output_probe(struct tegra_output *output)
}
return 0;
+
+put_i2c:
+ if (output->ddc)
+ i2c_put_adapter(output->ddc);
+
+ return err;
}
void tegra_output_remove(struct tegra_output *output)
diff --git a/drivers/gpu/drm/tidss/tidss_crtc.c b/drivers/gpu/drm/tidss/tidss_crtc.c
index 3c5744a91..26fd2761e 100644
--- a/drivers/gpu/drm/tidss/tidss_crtc.c
+++ b/drivers/gpu/drm/tidss/tidss_crtc.c
@@ -168,13 +168,13 @@ static void tidss_crtc_atomic_flush(struct drm_crtc *crtc,
struct tidss_device *tidss = to_tidss(ddev);
unsigned long flags;
- dev_dbg(ddev->dev,
- "%s: %s enabled %d, needs modeset %d, event %p\n", __func__,
- crtc->name, drm_atomic_crtc_needs_modeset(crtc->state),
- crtc->state->enable, crtc->state->event);
+ dev_dbg(ddev->dev, "%s: %s is %sactive, %s modeset, event %p\n",
+ __func__, crtc->name, crtc->state->active ? "" : "not ",
+ drm_atomic_crtc_needs_modeset(crtc->state) ? "needs" : "doesn't need",
+ crtc->state->event);
/* There is nothing to do if CRTC is not going to be enabled. */
- if (!crtc->state->enable)
+ if (!crtc->state->active)
return;
/*
diff --git a/drivers/gpu/drm/tidss/tidss_plane.c b/drivers/gpu/drm/tidss/tidss_plane.c
index 43e72d0b2..e2ebd5fdc 100644
--- a/drivers/gpu/drm/tidss/tidss_plane.c
+++ b/drivers/gpu/drm/tidss/tidss_plane.c
@@ -202,7 +202,7 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
- drm_plane_create_zpos_property(&tplane->plane, hw_plane_id, 0,
+ drm_plane_create_zpos_property(&tplane->plane, tidss->num_planes, 0,
num_planes - 1);
ret = drm_plane_create_color_properties(&tplane->plane,
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index 89d50f38c..5af52012f 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -431,8 +431,10 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
si_meminfo(&si);
+ spin_lock(&glob->lock);
/* set it as 0 by default to keep original behavior of OOM */
glob->lower_mem_limit = 0;
+ spin_unlock(&glob->lock);
ret = ttm_mem_init_kernel_zone(glob, &si);
if (unlikely(ret != 0))
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 7e8620838..6d0125834 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -197,7 +197,7 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
edid = drm_get_edid(connector, vc4_hdmi->ddc);
cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid);
if (!edid)
- return -ENODEV;
+ return 0;
vc4_encoder->hdmi_monitor = drm_detect_hdmi_monitor(edid);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
index f41550797..4da4bf3b7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
@@ -713,7 +713,7 @@ static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind)
* without checking which bindings actually need to be emitted
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
- * @bi: Pointer to where the binding info array is stored in @cbs
+ * @biv: Pointer to where the binding info array is stored in @cbs
* @max_num: Maximum number of entries in the @bi array.
*
* Scans the @bi array for bindings and builds a buffer of view id data.
@@ -723,11 +723,9 @@ static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind)
* contains the command data.
*/
static void vmw_collect_view_ids(struct vmw_ctx_binding_state *cbs,
- const struct vmw_ctx_bindinfo *bi,
+ const struct vmw_ctx_bindinfo_view *biv,
u32 max_num)
{
- const struct vmw_ctx_bindinfo_view *biv =
- container_of(bi, struct vmw_ctx_bindinfo_view, bi);
unsigned long i;
cbs->bind_cmd_count = 0;
@@ -835,7 +833,7 @@ static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
*/
static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->render_targets[0].bi;
+ const struct vmw_ctx_bindinfo_view *loc = &cbs->render_targets[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetRenderTargets body;
@@ -871,7 +869,7 @@ static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
* without checking which bindings actually need to be emitted
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
- * @bi: Pointer to where the binding info array is stored in @cbs
+ * @biso: Pointer to where the binding info array is stored in @cbs
* @max_num: Maximum number of entries in the @bi array.
*
* Scans the @bi array for bindings and builds a buffer of SVGA3dSoTarget data.
@@ -881,11 +879,9 @@ static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
* contains the command data.
*/
static void vmw_collect_so_targets(struct vmw_ctx_binding_state *cbs,
- const struct vmw_ctx_bindinfo *bi,
+ const struct vmw_ctx_bindinfo_so_target *biso,
u32 max_num)
{
- const struct vmw_ctx_bindinfo_so_target *biso =
- container_of(bi, struct vmw_ctx_bindinfo_so_target, bi);
unsigned long i;
SVGA3dSoTarget *so_buffer = (SVGA3dSoTarget *) cbs->bind_cmd_buffer;
@@ -916,7 +912,7 @@ static void vmw_collect_so_targets(struct vmw_ctx_binding_state *cbs,
*/
static int vmw_emit_set_so_target(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->so_targets[0].bi;
+ const struct vmw_ctx_bindinfo_so_target *loc = &cbs->so_targets[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetSOTargets body;
@@ -1063,7 +1059,7 @@ static int vmw_emit_set_vb(struct vmw_ctx_binding_state *cbs)
static int vmw_emit_set_uav(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->ua_views[0].views[0].bi;
+ const struct vmw_ctx_bindinfo_view *loc = &cbs->ua_views[0].views[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetUAViews body;
@@ -1093,7 +1089,7 @@ static int vmw_emit_set_uav(struct vmw_ctx_binding_state *cbs)
static int vmw_emit_set_cs_uav(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->ua_views[1].views[0].bi;
+ const struct vmw_ctx_bindinfo_view *loc = &cbs->ua_views[1].views[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetCSUAViews body;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
index e8d66182c..ea2f2f937 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
@@ -459,9 +459,9 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
int ret = 0;
/* Buffer objects need to be either pinned or reserved: */
- if (!(dst->mem.placement & TTM_PL_FLAG_NO_EVICT))
+ if (!(dst->pin_count))
dma_resv_assert_held(dst->base.resv);
- if (!(src->mem.placement & TTM_PL_FLAG_NO_EVICT))
+ if (!(src->pin_count))
dma_resv_assert_held(src->base.resv);
if (!ttm_tt_is_populated(dst->ttm)) {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 813f1b148..9a66ba254 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -106,7 +106,7 @@ int vmw_bo_pin_in_placement(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
goto err;
- if (buf->pin_count > 0)
+ if (buf->base.pin_count > 0)
ret = ttm_bo_mem_compat(placement, &bo->mem,
&new_flags) == true ? 0 : -EINVAL;
else
@@ -155,7 +155,7 @@ int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv,
if (unlikely(ret != 0))
goto err;
- if (buf->pin_count > 0) {
+ if (buf->base.pin_count > 0) {
ret = ttm_bo_mem_compat(&vmw_vram_gmr_placement, &bo->mem,
&new_flags) == true ? 0 : -EINVAL;
goto out_unreserve;
@@ -246,12 +246,12 @@ int vmw_bo_pin_in_start_of_vram(struct vmw_private *dev_priv,
if (bo->mem.mem_type == TTM_PL_VRAM &&
bo->mem.start < bo->num_pages &&
bo->mem.start > 0 &&
- buf->pin_count == 0) {
+ buf->base.pin_count == 0) {
ctx.interruptible = false;
(void) ttm_bo_validate(bo, &vmw_sys_placement, &ctx);
}
- if (buf->pin_count > 0)
+ if (buf->base.pin_count > 0)
ret = ttm_bo_mem_compat(&placement, &bo->mem,
&new_flags) == true ? 0 : -EINVAL;
else
@@ -343,23 +343,13 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
dma_resv_assert_held(bo->base.resv);
- if (pin) {
- if (vbo->pin_count++ > 0)
- return;
- } else {
- WARN_ON(vbo->pin_count <= 0);
- if (--vbo->pin_count > 0)
- return;
- }
+ if (pin == !!bo->pin_count)
+ return;
pl.fpfn = 0;
pl.lpfn = 0;
pl.mem_type = bo->mem.mem_type;
pl.flags = bo->mem.placement;
- if (pin)
- pl.flags |= TTM_PL_FLAG_NO_EVICT;
- else
- pl.flags &= ~TTM_PL_FLAG_NO_EVICT;
memset(&placement, 0, sizeof(placement));
placement.num_placement = 1;
@@ -368,8 +358,12 @@ void vmw_bo_pin_reserved(struct vmw_buffer_object *vbo, bool pin)
ret = ttm_bo_validate(bo, &placement, &ctx);
BUG_ON(ret != 0 || bo->mem.mem_type != old_mem_type);
-}
+ if (pin)
+ ttm_bo_pin(bo);
+ else
+ ttm_bo_unpin(bo);
+}
/**
* vmw_bo_map_and_cache - Map a buffer object and cache the map
@@ -487,6 +481,49 @@ static void vmw_user_bo_destroy(struct ttm_buffer_object *bo)
ttm_prime_object_kfree(vmw_user_bo, prime);
}
+/**
+ * vmw_bo_create_kernel - Create a pinned BO for internal kernel use.
+ *
+ * @dev_priv: Pointer to the device private struct
+ * @size: size of the BO we need
+ * @placement: where to put it
+ * @p_bo: resulting BO
+ *
+ * Creates and pin a simple BO for in kernel use.
+ */
+int vmw_bo_create_kernel(struct vmw_private *dev_priv, unsigned long size,
+ struct ttm_placement *placement,
+ struct ttm_buffer_object **p_bo)
+{
+ unsigned npages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ struct ttm_operation_ctx ctx = { false, false };
+ struct ttm_buffer_object *bo;
+ size_t acc_size;
+ int ret;
+
+ bo = kzalloc(sizeof(*bo), GFP_KERNEL);
+ if (unlikely(!bo))
+ return -ENOMEM;
+
+ acc_size = ttm_round_pot(sizeof(*bo));
+ acc_size += ttm_round_pot(npages * sizeof(void *));
+ acc_size += ttm_round_pot(sizeof(struct ttm_tt));
+ ret = ttm_bo_init_reserved(&dev_priv->bdev, bo, size,
+ ttm_bo_type_device, placement, 0,
+ &ctx, acc_size, NULL, NULL, NULL);
+ if (unlikely(ret))
+ goto error_free;
+
+ ttm_bo_pin(bo);
+ ttm_bo_unreserve(bo);
+ *p_bo = bo;
+
+ return 0;
+
+error_free:
+ kfree(bo);
+ return ret;
+}
/**
* vmw_bo_init - Initialize a vmw buffer object
@@ -496,6 +533,7 @@ static void vmw_user_bo_destroy(struct ttm_buffer_object *bo)
* @size: Buffer object size in bytes.
* @placement: Initial placement.
* @interruptible: Whether waits should be performed interruptible.
+ * @pin: If the BO should be created pinned at a fixed location.
* @bo_free: The buffer object destructor.
* Returns: Zero on success, negative error code on error.
*
@@ -504,9 +542,10 @@ static void vmw_user_bo_destroy(struct ttm_buffer_object *bo)
int vmw_bo_init(struct vmw_private *dev_priv,
struct vmw_buffer_object *vmw_bo,
size_t size, struct ttm_placement *placement,
- bool interruptible,
+ bool interruptible, bool pin,
void (*bo_free)(struct ttm_buffer_object *bo))
{
+ struct ttm_operation_ctx ctx = { interruptible, false };
struct ttm_bo_device *bdev = &dev_priv->bdev;
size_t acc_size;
int ret;
@@ -520,11 +559,16 @@ int vmw_bo_init(struct vmw_private *dev_priv,
vmw_bo->base.priority = 3;
vmw_bo->res_tree = RB_ROOT;
- ret = ttm_bo_init(bdev, &vmw_bo->base, size,
- ttm_bo_type_device, placement,
- 0, interruptible, acc_size,
- NULL, NULL, bo_free);
- return ret;
+ ret = ttm_bo_init_reserved(bdev, &vmw_bo->base, size,
+ ttm_bo_type_device, placement,
+ 0, &ctx, acc_size, NULL, NULL, bo_free);
+ if (unlikely(ret))
+ return ret;
+
+ if (pin)
+ ttm_bo_pin(&vmw_bo->base);
+ ttm_bo_unreserve(&vmw_bo->base);
+ return 0;
}
@@ -613,7 +657,7 @@ int vmw_user_bo_alloc(struct vmw_private *dev_priv,
ret = vmw_bo_init(dev_priv, &user_bo->vbo, size,
(dev_priv->has_mob) ?
&vmw_sys_placement :
- &vmw_vram_sys_placement, true,
+ &vmw_vram_sys_placement, true, false,
&vmw_user_bo_destroy);
if (unlikely(ret != 0))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
index 3b41cf631..87a39721e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c
@@ -514,7 +514,7 @@ static void vmw_cmdbuf_work_func(struct work_struct *work)
struct vmw_cmdbuf_man *man =
container_of(work, struct vmw_cmdbuf_man, work);
struct vmw_cmdbuf_header *entry, *next;
- uint32_t dummy;
+ uint32_t dummy = 0;
bool send_fence = false;
struct list_head restart_head[SVGA_CB_CONTEXT_MAX];
int i;
@@ -1245,9 +1245,9 @@ int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
!dev_priv->has_mob)
return -ENOMEM;
- ret = ttm_bo_create(&dev_priv->bdev, size, ttm_bo_type_device,
- &vmw_mob_ne_placement, 0, false,
- &man->cmd_space);
+ ret = vmw_bo_create_kernel(dev_priv, size,
+ &vmw_mob_placement,
+ &man->cmd_space);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index 44d858ce4..f212368c0 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -168,8 +168,8 @@ void vmw_cmdbuf_res_revert(struct list_head *list)
vmw_cmdbuf_res_free(entry->man, entry);
break;
case VMW_CMDBUF_RES_DEL:
- ret = drm_ht_insert_item(&entry->man->resources,
- &entry->hash);
+ ret = drm_ht_insert_item(&entry->man->resources, &entry->hash);
+ BUG_ON(ret);
list_del(&entry->head);
list_add_tail(&entry->head, &entry->man->list);
entry->state = VMW_CMDBUF_RES_COMMITTED;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
index 65e8e7a97..984d88843 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c
@@ -410,8 +410,8 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size)
if (!buf)
return -ENOMEM;
- ret = vmw_bo_init(dev_priv, buf, new_size, &vmw_mob_ne_placement,
- true, vmw_bo_bo_free);
+ ret = vmw_bo_init(dev_priv, buf, new_size, &vmw_mob_placement,
+ true, true, vmw_bo_bo_free);
if (ret) {
DRM_ERROR("Failed initializing new cotable MOB.\n");
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 31e3e5c9f..bdb7a5e96 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -372,7 +372,7 @@ static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
return -ENOMEM;
ret = vmw_bo_init(dev_priv, vbo, PAGE_SIZE,
- &vmw_sys_ne_placement, false,
+ &vmw_sys_placement, false, true,
&vmw_bo_bo_free);
if (unlikely(ret != 0))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 0a79c57c7..fa285c20d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -99,7 +99,6 @@ struct vmw_fpriv {
* struct vmw_buffer_object - TTM buffer object with vmwgfx additions
* @base: The TTM buffer object
* @res_tree: RB tree of resources using this buffer object as a backing MOB
- * @pin_count: pin depth
* @cpu_writers: Number of synccpu write grabs. Protected by reservation when
* increased. May be decreased without reservation.
* @dx_query_ctx: DX context if this buffer object is used as a DX query MOB
@@ -110,7 +109,6 @@ struct vmw_fpriv {
struct vmw_buffer_object {
struct ttm_buffer_object base;
struct rb_root res_tree;
- s32 pin_count;
atomic_t cpu_writers;
/* Not ref-counted. Protected by binding_mutex */
struct vmw_resource *dx_query_ctx;
@@ -845,10 +843,14 @@ extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf,
SVGAGuestPtr *ptr);
extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin);
extern void vmw_bo_bo_free(struct ttm_buffer_object *bo);
+extern int vmw_bo_create_kernel(struct vmw_private *dev_priv,
+ unsigned long size,
+ struct ttm_placement *placement,
+ struct ttm_buffer_object **p_bo);
extern int vmw_bo_init(struct vmw_private *dev_priv,
struct vmw_buffer_object *vmw_bo,
size_t size, struct ttm_placement *placement,
- bool interruptible,
+ bool interruptible, bool pin,
void (*bo_free)(struct ttm_buffer_object *bo));
extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo,
struct ttm_object_file *tfile);
@@ -1005,16 +1007,13 @@ extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv,
extern const size_t vmw_tt_size;
extern struct ttm_placement vmw_vram_placement;
-extern struct ttm_placement vmw_vram_ne_placement;
extern struct ttm_placement vmw_vram_sys_placement;
extern struct ttm_placement vmw_vram_gmr_placement;
extern struct ttm_placement vmw_vram_gmr_ne_placement;
extern struct ttm_placement vmw_sys_placement;
-extern struct ttm_placement vmw_sys_ne_placement;
extern struct ttm_placement vmw_evictable_placement;
extern struct ttm_placement vmw_srf_placement;
extern struct ttm_placement vmw_mob_placement;
-extern struct ttm_placement vmw_mob_ne_placement;
extern struct ttm_placement vmw_nonfixed_placement;
extern struct ttm_bo_driver vmw_bo_driver;
extern const struct vmw_sg_table *
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 00082c679..616f6cb62 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -467,7 +467,7 @@ static int vmw_resource_context_res_add(struct vmw_private *dev_priv,
vmw_res_type(ctx) == vmw_res_dx_context) {
for (i = 0; i < cotable_max; ++i) {
res = vmw_context_cotable(ctx, i);
- if (IS_ERR(res))
+ if (IS_ERR_OR_NULL(res))
continue;
ret = vmw_execbuf_res_noctx_val_add(sw_context, res,
@@ -1272,6 +1272,8 @@ static int vmw_cmd_dx_define_query(struct vmw_private *dev_priv,
return -EINVAL;
cotable_res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXQUERY);
+ if (IS_ERR_OR_NULL(cotable_res))
+ return cotable_res ? PTR_ERR(cotable_res) : -EINVAL;
ret = vmw_cotable_notify(cotable_res, cmd->body.queryId);
return ret;
@@ -2450,6 +2452,8 @@ static int vmw_cmd_dx_view_define(struct vmw_private *dev_priv,
return ret;
res = vmw_context_cotable(ctx_node->ctx, vmw_view_cotables[view_type]);
+ if (IS_ERR_OR_NULL(res))
+ return res ? PTR_ERR(res) : -EINVAL;
ret = vmw_cotable_notify(res, cmd->defined_id);
if (unlikely(ret != 0))
return ret;
@@ -2535,6 +2539,8 @@ static int vmw_cmd_dx_so_define(struct vmw_private *dev_priv,
so_type = vmw_so_cmd_to_type(header->id);
res = vmw_context_cotable(ctx_node->ctx, vmw_so_cotables[so_type]);
+ if (IS_ERR_OR_NULL(res))
+ return res ? PTR_ERR(res) : -EINVAL;
cmd = container_of(header, typeof(*cmd), header);
ret = vmw_cotable_notify(res, cmd->defined_id);
@@ -2653,6 +2659,8 @@ static int vmw_cmd_dx_define_shader(struct vmw_private *dev_priv,
return -EINVAL;
res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_DXSHADER);
+ if (IS_ERR_OR_NULL(res))
+ return res ? PTR_ERR(res) : -EINVAL;
ret = vmw_cotable_notify(res, cmd->body.shaderId);
if (ret)
return ret;
@@ -2974,6 +2982,8 @@ static int vmw_cmd_dx_define_streamoutput(struct vmw_private *dev_priv,
}
res = vmw_context_cotable(ctx_node->ctx, SVGA_COTABLE_STREAMOUTPUT);
+ if (IS_ERR_OR_NULL(res))
+ return res ? PTR_ERR(res) : -EINVAL;
ret = vmw_cotable_notify(res, cmd->body.soid);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 97d9d2557..3923acc3a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -406,7 +406,7 @@ static int vmw_fb_create_bo(struct vmw_private *vmw_priv,
ret = vmw_bo_init(vmw_priv, vmw_bo, size,
&vmw_sys_placement,
- false,
+ false, false,
&vmw_bo_bo_free);
if (unlikely(ret != 0))
goto err_unlock; /* init frees the buffer on failure */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index 7f95ed6aa..fb0797b38 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -494,11 +494,13 @@ static void vmw_mob_pt_setup(struct vmw_mob *mob,
{
unsigned long num_pt_pages = 0;
struct ttm_buffer_object *bo = mob->pt_bo;
- struct vmw_piter save_pt_iter;
+ struct vmw_piter save_pt_iter = {0};
struct vmw_piter pt_iter;
const struct vmw_sg_table *vsgt;
int ret;
+ BUG_ON(num_data_pages == 0);
+
ret = ttm_bo_reserve(bo, false, true, NULL);
BUG_ON(ret != 0);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
index 15b5bde69..751582f5a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg.c
@@ -154,6 +154,7 @@ static unsigned long vmw_port_hb_out(struct rpc_channel *channel,
/* HB port can't access encrypted memory. */
if (hb && !mem_encrypt_active()) {
unsigned long bp = channel->cookie_high;
+ u32 channel_id = (channel->channel_id << 16);
si = (uintptr_t) msg;
di = channel->cookie_low;
@@ -161,7 +162,7 @@ static unsigned long vmw_port_hb_out(struct rpc_channel *channel,
VMW_PORT_HB_OUT(
(MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
msg_len, si, di,
- VMWARE_HYPERVISOR_HB | (channel->channel_id << 16) |
+ VMWARE_HYPERVISOR_HB | channel_id |
VMWARE_HYPERVISOR_OUT,
VMW_HYPERVISOR_MAGIC, bp,
eax, ebx, ecx, edx, si, di);
@@ -209,6 +210,7 @@ static unsigned long vmw_port_hb_in(struct rpc_channel *channel, char *reply,
/* HB port can't access encrypted memory */
if (hb && !mem_encrypt_active()) {
unsigned long bp = channel->cookie_low;
+ u32 channel_id = (channel->channel_id << 16);
si = channel->cookie_high;
di = (uintptr_t) reply;
@@ -216,7 +218,7 @@ static unsigned long vmw_port_hb_in(struct rpc_channel *channel, char *reply,
VMW_PORT_HB_IN(
(MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
reply_len, si, di,
- VMWARE_HYPERVISOR_HB | (channel->channel_id << 16),
+ VMWARE_HYPERVISOR_HB | channel_id,
VMW_HYPERVISOR_MAGIC, bp,
eax, ebx, ecx, edx, si, di);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index c0f156078..26f88d648 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -114,6 +114,7 @@ static void vmw_resource_release(struct kref *kref)
container_of(kref, struct vmw_resource, kref);
struct vmw_private *dev_priv = res->dev_priv;
int id;
+ int ret;
struct idr *idr = &dev_priv->res_idr[res->func->res_type];
spin_lock(&dev_priv->resource_lock);
@@ -122,7 +123,8 @@ static void vmw_resource_release(struct kref *kref)
if (res->backup) {
struct ttm_buffer_object *bo = &res->backup->base;
- ttm_bo_reserve(bo, false, false, NULL);
+ ret = ttm_bo_reserve(bo, false, false, NULL);
+ BUG_ON(ret);
if (vmw_resource_mob_attached(res) &&
res->func->unbind != NULL) {
struct ttm_validate_buffer val_buf;
@@ -370,7 +372,7 @@ static int vmw_resource_buf_alloc(struct vmw_resource *res,
ret = vmw_bo_init(res->dev_priv, backup, res->backup_size,
res->func->backup_placement,
- interruptible,
+ interruptible, false,
&vmw_bo_bo_free);
if (unlikely(ret != 0))
goto out_no_bo;
@@ -1001,8 +1003,10 @@ int vmw_resource_pin(struct vmw_resource *res, bool interruptible)
if (res->backup) {
vbo = res->backup;
- ttm_bo_reserve(&vbo->base, interruptible, false, NULL);
- if (!vbo->pin_count) {
+ ret = ttm_bo_reserve(&vbo->base, interruptible, false, NULL);
+ if (ret)
+ goto out_no_validate;
+ if (!vbo->base.pin_count) {
ret = ttm_bo_validate
(&vbo->base,
res->func->backup_placement,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 2b6590344..9c8109efe 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -451,8 +451,8 @@ vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane,
*/
vmw_overlay_pause_all(dev_priv);
ret = vmw_bo_init(dev_priv, vps->bo, size,
- &vmw_vram_ne_placement,
- false, &vmw_bo_bo_free);
+ &vmw_vram_placement,
+ false, true, &vmw_bo_bo_free);
vmw_overlay_resume_all(dev_priv);
if (ret) {
vps->bo = NULL; /* vmw_bo_init frees on error */
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
index e139fdfd1..f328aa583 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c
@@ -978,8 +978,8 @@ int vmw_compat_shader_add(struct vmw_private *dev_priv,
if (unlikely(!buf))
return -ENOMEM;
- ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_ne_placement,
- true, vmw_bo_bo_free);
+ ret = vmw_bo_init(dev_priv, buf, size, &vmw_sys_placement,
+ true, true, vmw_bo_bo_free);
if (unlikely(ret != 0))
goto out;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
index 3f97b61dd..9330f1a0f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c
@@ -538,7 +538,8 @@ const SVGACOTableType vmw_so_cotables[] = {
[vmw_so_ds] = SVGA_COTABLE_DEPTHSTENCIL,
[vmw_so_rs] = SVGA_COTABLE_RASTERIZERSTATE,
[vmw_so_ss] = SVGA_COTABLE_SAMPLER,
- [vmw_so_so] = SVGA_COTABLE_STREAMOUTPUT
+ [vmw_so_so] = SVGA_COTABLE_STREAMOUTPUT,
+ [vmw_so_max]= SVGA_COTABLE_MAX
};
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index 73116ec70..89b3356ec 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -37,13 +37,6 @@ static const struct ttm_place vram_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place vram_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .mem_type = TTM_PL_VRAM,
- .flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
static const struct ttm_place sys_placement_flags = {
.fpfn = 0,
.lpfn = 0,
@@ -51,13 +44,6 @@ static const struct ttm_place sys_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place sys_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .mem_type = TTM_PL_SYSTEM,
- .flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
static const struct ttm_place gmr_placement_flags = {
.fpfn = 0,
.lpfn = 0,
@@ -79,13 +65,6 @@ static const struct ttm_place mob_placement_flags = {
.flags = TTM_PL_FLAG_CACHED
};
-static const struct ttm_place mob_ne_placement_flags = {
- .fpfn = 0,
- .lpfn = 0,
- .mem_type = VMW_PL_MOB,
- .flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_NO_EVICT
-};
-
struct ttm_placement vmw_vram_placement = {
.num_placement = 1,
.placement = &vram_placement_flags,
@@ -158,13 +137,6 @@ struct ttm_placement vmw_vram_sys_placement = {
.busy_placement = &sys_placement_flags
};
-struct ttm_placement vmw_vram_ne_placement = {
- .num_placement = 1,
- .placement = &vram_ne_placement_flags,
- .num_busy_placement = 1,
- .busy_placement = &vram_ne_placement_flags
-};
-
struct ttm_placement vmw_sys_placement = {
.num_placement = 1,
.placement = &sys_placement_flags,
@@ -172,13 +144,6 @@ struct ttm_placement vmw_sys_placement = {
.busy_placement = &sys_placement_flags
};
-struct ttm_placement vmw_sys_ne_placement = {
- .num_placement = 1,
- .placement = &sys_ne_placement_flags,
- .num_busy_placement = 1,
- .busy_placement = &sys_ne_placement_flags
-};
-
static const struct ttm_place evictable_placement_flags[] = {
{
.fpfn = 0,
@@ -243,13 +208,6 @@ struct ttm_placement vmw_mob_placement = {
.busy_placement = &mob_placement_flags
};
-struct ttm_placement vmw_mob_ne_placement = {
- .num_placement = 1,
- .num_busy_placement = 1,
- .placement = &mob_ne_placement_flags,
- .busy_placement = &mob_ne_placement_flags
-};
-
struct ttm_placement vmw_nonfixed_placement = {
.num_placement = 3,
.placement = nonfixed_placement_flags,
@@ -817,11 +775,9 @@ int vmw_bo_create_and_populate(struct vmw_private *dev_priv,
struct ttm_buffer_object *bo;
int ret;
- ret = ttm_bo_create(&dev_priv->bdev, bo_size,
- ttm_bo_type_device,
- &vmw_sys_ne_placement,
- 0, false, &bo);
-
+ ret = vmw_bo_create_kernel(dev_priv, bo_size,
+ &vmw_sys_placement,
+ &bo);
if (unlikely(ret != 0))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
index e69bc373a..cc1cfc827 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_validation.c
@@ -540,7 +540,7 @@ int vmw_validation_bo_validate_single(struct ttm_buffer_object *bo,
if (atomic_read(&vbo->cpu_writers))
return -EBUSY;
- if (vbo->pin_count > 0)
+ if (vbo->base.pin_count > 0)
return 0;
if (validate_as_mob)
@@ -585,13 +585,13 @@ int vmw_validation_bo_validate(struct vmw_validation_context *ctx, bool intr)
container_of(entry->base.bo, typeof(*vbo), base);
if (entry->cpu_blit) {
- struct ttm_operation_ctx ctx = {
+ struct ttm_operation_ctx ttm_ctx = {
.interruptible = intr,
.no_wait_gpu = false
};
ret = ttm_bo_validate(entry->base.bo,
- &vmw_nonfixed_placement, &ctx);
+ &vmw_nonfixed_placement, &ttm_ctx);
} else {
ret = vmw_validation_bo_validate_single
(entry->base.bo, intr, entry->as_mob);
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index e5d2e7e95..0dc55465b 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -70,6 +70,28 @@ struct apple_key_translation {
u8 flags;
};
+static const struct apple_key_translation apple2021_fn_keys[] = {
+ { KEY_BACKSPACE, KEY_DELETE },
+ { KEY_ENTER, KEY_INSERT },
+ { KEY_F1, KEY_BRIGHTNESSDOWN, APPLE_FLAG_FKEY },
+ { KEY_F2, KEY_BRIGHTNESSUP, APPLE_FLAG_FKEY },
+ { KEY_F3, KEY_SCALE, APPLE_FLAG_FKEY },
+ { KEY_F4, KEY_SEARCH, APPLE_FLAG_FKEY },
+ { KEY_F5, KEY_MICMUTE, APPLE_FLAG_FKEY },
+ { KEY_F6, KEY_SLEEP, APPLE_FLAG_FKEY },
+ { KEY_F7, KEY_PREVIOUSSONG, APPLE_FLAG_FKEY },
+ { KEY_F8, KEY_PLAYPAUSE, APPLE_FLAG_FKEY },
+ { KEY_F9, KEY_NEXTSONG, APPLE_FLAG_FKEY },
+ { KEY_F10, KEY_MUTE, APPLE_FLAG_FKEY },
+ { KEY_F11, KEY_VOLUMEDOWN, APPLE_FLAG_FKEY },
+ { KEY_F12, KEY_VOLUMEUP, APPLE_FLAG_FKEY },
+ { KEY_UP, KEY_PAGEUP },
+ { KEY_DOWN, KEY_PAGEDOWN },
+ { KEY_LEFT, KEY_HOME },
+ { KEY_RIGHT, KEY_END },
+ { }
+};
+
static const struct apple_key_translation macbookair_fn_keys[] = {
{ KEY_BACKSPACE, KEY_DELETE },
{ KEY_ENTER, KEY_INSERT },
@@ -204,7 +226,9 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
}
if (fnmode) {
- if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
+ if (hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021)
+ table = apple2021_fn_keys;
+ else if (hid->product >= USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI &&
hid->product <= USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS)
table = macbookair_fn_keys;
else if (hid->product < 0x21d || hid->product >= 0x300)
@@ -363,6 +387,9 @@ static void apple_setup_input(struct input_dev *input)
for (trans = apple_iso_keyboard; trans->from; trans++)
set_bit(trans->to, input->keybit);
+ for (trans = apple2021_fn_keys; trans->from; trans++)
+ set_bit(trans->to, input->keybit);
+
if (swap_fn_leftctrl) {
for (trans = swapped_fn_leftctrl_keys; trans->from; trans++)
set_bit(trans->to, input->keybit);
@@ -624,6 +651,10 @@ static const struct hid_device_id apple_devices[] = {
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY),
.driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
+ .driver_data = APPLE_HAS_FN },
+ { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
+ .driver_data = APPLE_HAS_FN },
{ }
};
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 6273ab615..0732fe6c7 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -173,6 +173,7 @@
#define USB_DEVICE_ID_APPLE_IRCONTROL3 0x8241
#define USB_DEVICE_ID_APPLE_IRCONTROL4 0x8242
#define USB_DEVICE_ID_APPLE_IRCONTROL5 0x8243
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021 0x029c
#define USB_VENDOR_ID_ASUS 0x0486
#define USB_DEVICE_ID_ASUS_T91MT 0x0185
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index 249af8d26..c9fdeffbe 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -53,10 +53,10 @@ struct lenovo_drvdata {
/* 0: Up
* 1: Down (undecided)
* 2: Scrolling
- * 3: Patched firmware, disable workaround
*/
u8 middlebutton_state;
bool fn_lock;
+ bool middleclick_workaround_cptkbd;
};
#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
@@ -418,6 +418,36 @@ static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
return count;
}
+static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+
+ return snprintf(buf, PAGE_SIZE, "%u\n",
+ cptkbd_data->middleclick_workaround_cptkbd);
+}
+
+static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct hid_device *hdev = to_hid_device(dev);
+ struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
+ int value;
+
+ if (kstrtoint(buf, 10, &value))
+ return -EINVAL;
+ if (value < 0 || value > 1)
+ return -EINVAL;
+
+ cptkbd_data->middleclick_workaround_cptkbd = !!value;
+
+ return count;
+}
+
static struct device_attribute dev_attr_fn_lock =
__ATTR(fn_lock, S_IWUSR | S_IRUGO,
@@ -429,10 +459,16 @@ static struct device_attribute dev_attr_sensitivity_cptkbd =
attr_sensitivity_show_cptkbd,
attr_sensitivity_store_cptkbd);
+static struct device_attribute dev_attr_middleclick_workaround_cptkbd =
+ __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO,
+ attr_middleclick_workaround_show_cptkbd,
+ attr_middleclick_workaround_store_cptkbd);
+
static struct attribute *lenovo_attributes_cptkbd[] = {
&dev_attr_fn_lock.attr,
&dev_attr_sensitivity_cptkbd.attr,
+ &dev_attr_middleclick_workaround_cptkbd.attr,
NULL
};
@@ -483,23 +519,7 @@ static int lenovo_event_cptkbd(struct hid_device *hdev,
{
struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
- if (cptkbd_data->middlebutton_state != 3) {
- /* REL_X and REL_Y events during middle button pressed
- * are only possible on patched, bug-free firmware
- * so set middlebutton_state to 3
- * to never apply workaround anymore
- */
- if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD &&
- cptkbd_data->middlebutton_state == 1 &&
- usage->type == EV_REL &&
- (usage->code == REL_X || usage->code == REL_Y)) {
- cptkbd_data->middlebutton_state = 3;
- /* send middle button press which was hold before */
- input_event(field->hidinput->input,
- EV_KEY, BTN_MIDDLE, 1);
- input_sync(field->hidinput->input);
- }
-
+ if (cptkbd_data->middleclick_workaround_cptkbd) {
/* "wheel" scroll events */
if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
usage->code == REL_HWHEEL)) {
@@ -976,6 +996,7 @@ static int lenovo_probe_cptkbd(struct hid_device *hdev)
cptkbd_data->middlebutton_state = 0;
cptkbd_data->fn_lock = true;
cptkbd_data->sensitivity = 0x05;
+ cptkbd_data->middleclick_workaround_cptkbd = true;
lenovo_features_set_cptkbd(hdev);
ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 7d43d62df..8dcd636da 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -2069,6 +2069,10 @@ static const struct hid_device_id mt_devices[] = {
{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+ USB_VENDOR_ID_SYNAPTICS, 0xcddc) },
+
+ { .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
+ HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
USB_VENDOR_ID_SYNAPTICS, 0xce08) },
{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 1b3a83fa7..67953cdae 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -309,6 +309,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021) },
#endif
#if IS_ENABLED(CONFIG_HID_APPLEIR)
{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 14811d42a..4f8e8f392 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -56,7 +56,6 @@
/* flags */
#define I2C_HID_STARTED 0
#define I2C_HID_RESET_PENDING 1
-#define I2C_HID_READ_PENDING 2
#define I2C_HID_PWR_ON 0x00
#define I2C_HID_PWR_SLEEP 0x01
@@ -256,7 +255,6 @@ static int __i2c_hid_command(struct i2c_client *client,
msg[1].len = data_len;
msg[1].buf = buf_recv;
msg_num = 2;
- set_bit(I2C_HID_READ_PENDING, &ihid->flags);
}
if (wait)
@@ -264,9 +262,6 @@ static int __i2c_hid_command(struct i2c_client *client,
ret = i2c_transfer(client->adapter, msg, msg_num);
- if (data_len > 0)
- clear_bit(I2C_HID_READ_PENDING, &ihid->flags);
-
if (ret != msg_num)
return ret < 0 ? ret : -EIO;
@@ -538,9 +533,6 @@ static irqreturn_t i2c_hid_irq(int irq, void *dev_id)
{
struct i2c_hid *ihid = dev_id;
- if (test_bit(I2C_HID_READ_PENDING, &ihid->flags))
- return IRQ_HANDLED;
-
i2c_hid_get_input(ihid);
return IRQ_HANDLED;
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 1a7e1d3e7..eacbd7eae 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -2088,7 +2088,7 @@ static int wacom_allocate_inputs(struct wacom *wacom)
return 0;
}
-static int wacom_register_inputs(struct wacom *wacom)
+static int wacom_setup_inputs(struct wacom *wacom)
{
struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
@@ -2107,10 +2107,6 @@ static int wacom_register_inputs(struct wacom *wacom)
input_free_device(pen_input_dev);
wacom_wac->pen_input = NULL;
pen_input_dev = NULL;
- } else {
- error = input_register_device(pen_input_dev);
- if (error)
- goto fail;
}
error = wacom_setup_touch_input_capabilities(touch_input_dev, wacom_wac);
@@ -2119,10 +2115,6 @@ static int wacom_register_inputs(struct wacom *wacom)
input_free_device(touch_input_dev);
wacom_wac->touch_input = NULL;
touch_input_dev = NULL;
- } else {
- error = input_register_device(touch_input_dev);
- if (error)
- goto fail;
}
error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac);
@@ -2131,7 +2123,34 @@ static int wacom_register_inputs(struct wacom *wacom)
input_free_device(pad_input_dev);
wacom_wac->pad_input = NULL;
pad_input_dev = NULL;
- } else {
+ }
+
+ return 0;
+}
+
+static int wacom_register_inputs(struct wacom *wacom)
+{
+ struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev;
+ struct wacom_wac *wacom_wac = &(wacom->wacom_wac);
+ int error = 0;
+
+ pen_input_dev = wacom_wac->pen_input;
+ touch_input_dev = wacom_wac->touch_input;
+ pad_input_dev = wacom_wac->pad_input;
+
+ if (pen_input_dev) {
+ error = input_register_device(pen_input_dev);
+ if (error)
+ goto fail;
+ }
+
+ if (touch_input_dev) {
+ error = input_register_device(touch_input_dev);
+ if (error)
+ goto fail;
+ }
+
+ if (pad_input_dev) {
error = input_register_device(pad_input_dev);
if (error)
goto fail;
@@ -2381,6 +2400,20 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless)
goto fail;
}
+ error = wacom_setup_inputs(wacom);
+ if (error)
+ goto fail;
+
+ if (features->type == HID_GENERIC)
+ connect_mask |= HID_CONNECT_DRIVER;
+
+ /* Regular HID work starts now */
+ error = hid_hw_start(hdev, connect_mask);
+ if (error) {
+ hid_err(hdev, "hw start failed\n");
+ goto fail;
+ }
+
error = wacom_register_inputs(wacom);
if (error)
goto fail;
@@ -2395,16 +2428,6 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless)
goto fail;
}
- if (features->type == HID_GENERIC)
- connect_mask |= HID_CONNECT_DRIVER;
-
- /* Regular HID work starts now */
- error = hid_hw_start(hdev, connect_mask);
- if (error) {
- hid_err(hdev, "hw start failed\n");
- goto fail;
- }
-
if (!wireless) {
/* Note that if query fails it is not a hard failure */
wacom_query_tablet_data(wacom);
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 726a5d766..c454768ff 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2540,7 +2540,14 @@ static void wacom_wac_pen_report(struct hid_device *hdev,
wacom_wac->hid_data.tipswitch);
input_report_key(input, wacom_wac->tool[0], sense);
if (wacom_wac->serial[0]) {
- input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
+ /*
+ * xf86-input-wacom does not accept a serial number
+ * of '0'. Report the low 32 bits if possible, but
+ * if they are zero, report the upper ones instead.
+ */
+ __u32 serial_lo = wacom_wac->serial[0] & 0xFFFFFFFFu;
+ __u32 serial_hi = wacom_wac->serial[0] >> 32;
+ input_event(input, EV_MSC, MSC_SERIAL, (int)(serial_lo ? serial_lo : serial_hi));
input_report_abs(input, ABS_MISC, sense ? id : 0);
}
diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index f064fa6ef..a59ab2f3d 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -503,6 +503,70 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer,
}
EXPORT_SYMBOL_GPL(vmbus_establish_gpadl);
+/**
+ * request_arr_init - Allocates memory for the requestor array. Each slot
+ * keeps track of the next available slot in the array. Initially, each
+ * slot points to the next one (as in a Linked List). The last slot
+ * does not point to anything, so its value is U64_MAX by default.
+ * @size The size of the array
+ */
+static u64 *request_arr_init(u32 size)
+{
+ int i;
+ u64 *req_arr;
+
+ req_arr = kcalloc(size, sizeof(u64), GFP_KERNEL);
+ if (!req_arr)
+ return NULL;
+
+ for (i = 0; i < size - 1; i++)
+ req_arr[i] = i + 1;
+
+ /* Last slot (no more available slots) */
+ req_arr[i] = U64_MAX;
+
+ return req_arr;
+}
+
+/*
+ * vmbus_alloc_requestor - Initializes @rqstor's fields.
+ * Index 0 is the first free slot
+ * @size: Size of the requestor array
+ */
+static int vmbus_alloc_requestor(struct vmbus_requestor *rqstor, u32 size)
+{
+ u64 *rqst_arr;
+ unsigned long *bitmap;
+
+ rqst_arr = request_arr_init(size);
+ if (!rqst_arr)
+ return -ENOMEM;
+
+ bitmap = bitmap_zalloc(size, GFP_KERNEL);
+ if (!bitmap) {
+ kfree(rqst_arr);
+ return -ENOMEM;
+ }
+
+ rqstor->req_arr = rqst_arr;
+ rqstor->req_bitmap = bitmap;
+ rqstor->size = size;
+ rqstor->next_request_id = 0;
+ spin_lock_init(&rqstor->req_lock);
+
+ return 0;
+}
+
+/*
+ * vmbus_free_requestor - Frees memory allocated for @rqstor
+ * @rqstor: Pointer to the requestor struct
+ */
+static void vmbus_free_requestor(struct vmbus_requestor *rqstor)
+{
+ kfree(rqstor->req_arr);
+ bitmap_free(rqstor->req_bitmap);
+}
+
static int __vmbus_open(struct vmbus_channel *newchannel,
void *userdata, u32 userdatalen,
void (*onchannelcallback)(void *context), void *context)
@@ -523,6 +587,12 @@ static int __vmbus_open(struct vmbus_channel *newchannel,
if (newchannel->state != CHANNEL_OPEN_STATE)
return -EINVAL;
+ /* Create and init requestor */
+ if (newchannel->rqstor_size) {
+ if (vmbus_alloc_requestor(&newchannel->requestor, newchannel->rqstor_size))
+ return -ENOMEM;
+ }
+
newchannel->state = CHANNEL_OPENING_STATE;
newchannel->onchannel_callback = onchannelcallback;
newchannel->channel_callback_context = context;
@@ -626,6 +696,7 @@ error_free_gpadl:
error_clean_ring:
hv_ringbuffer_cleanup(&newchannel->outbound);
hv_ringbuffer_cleanup(&newchannel->inbound);
+ vmbus_free_requestor(&newchannel->requestor);
newchannel->state = CHANNEL_OPEN_STATE;
return err;
}
@@ -808,6 +879,9 @@ static int vmbus_close_internal(struct vmbus_channel *channel)
channel->ringbuffer_gpadlhandle = 0;
}
+ if (!ret)
+ vmbus_free_requestor(&channel->requestor);
+
return ret;
}
@@ -888,7 +962,7 @@ int vmbus_sendpacket(struct vmbus_channel *channel, void *buffer,
/* in 8-bytes granularity */
desc.offset8 = sizeof(struct vmpacket_descriptor) >> 3;
desc.len8 = (u16)(packetlen_aligned >> 3);
- desc.trans_id = requestid;
+ desc.trans_id = VMBUS_RQST_ERROR; /* will be updated in hv_ringbuffer_write() */
bufferlist[0].iov_base = &desc;
bufferlist[0].iov_len = sizeof(struct vmpacket_descriptor);
@@ -897,7 +971,7 @@ int vmbus_sendpacket(struct vmbus_channel *channel, void *buffer,
bufferlist[2].iov_base = &aligned_data;
bufferlist[2].iov_len = (packetlen_aligned - packetlen);
- return hv_ringbuffer_write(channel, bufferlist, num_vecs);
+ return hv_ringbuffer_write(channel, bufferlist, num_vecs, requestid);
}
EXPORT_SYMBOL(vmbus_sendpacket);
@@ -939,7 +1013,7 @@ int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
desc.flags = VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED;
desc.dataoffset8 = descsize >> 3; /* in 8-bytes granularity */
desc.length8 = (u16)(packetlen_aligned >> 3);
- desc.transactionid = requestid;
+ desc.transactionid = VMBUS_RQST_ERROR; /* will be updated in hv_ringbuffer_write() */
desc.reserved = 0;
desc.rangecount = pagecount;
@@ -956,7 +1030,7 @@ int vmbus_sendpacket_pagebuffer(struct vmbus_channel *channel,
bufferlist[2].iov_base = &aligned_data;
bufferlist[2].iov_len = (packetlen_aligned - packetlen);
- return hv_ringbuffer_write(channel, bufferlist, 3);
+ return hv_ringbuffer_write(channel, bufferlist, 3, requestid);
}
EXPORT_SYMBOL_GPL(vmbus_sendpacket_pagebuffer);
@@ -983,7 +1057,7 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
desc->flags = VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED;
desc->dataoffset8 = desc_size >> 3; /* in 8-bytes granularity */
desc->length8 = (u16)(packetlen_aligned >> 3);
- desc->transactionid = requestid;
+ desc->transactionid = VMBUS_RQST_ERROR; /* will be updated in hv_ringbuffer_write() */
desc->reserved = 0;
desc->rangecount = 1;
@@ -994,7 +1068,7 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
bufferlist[2].iov_base = &aligned_data;
bufferlist[2].iov_len = (packetlen_aligned - packetlen);
- return hv_ringbuffer_write(channel, bufferlist, 3);
+ return hv_ringbuffer_write(channel, bufferlist, 3, requestid);
}
EXPORT_SYMBOL_GPL(vmbus_sendpacket_mpb_desc);
@@ -1042,3 +1116,91 @@ int vmbus_recvpacket_raw(struct vmbus_channel *channel, void *buffer,
buffer_actual_len, requestid, true);
}
EXPORT_SYMBOL_GPL(vmbus_recvpacket_raw);
+
+/*
+ * vmbus_next_request_id - Returns a new request id. It is also
+ * the index at which the guest memory address is stored.
+ * Uses a spin lock to avoid race conditions.
+ * @rqstor: Pointer to the requestor struct
+ * @rqst_add: Guest memory address to be stored in the array
+ */
+u64 vmbus_next_request_id(struct vmbus_requestor *rqstor, u64 rqst_addr)
+{
+ unsigned long flags;
+ u64 current_id;
+ const struct vmbus_channel *channel =
+ container_of(rqstor, const struct vmbus_channel, requestor);
+
+ /* Check rqstor has been initialized */
+ if (!channel->rqstor_size)
+ return VMBUS_NO_RQSTOR;
+
+ spin_lock_irqsave(&rqstor->req_lock, flags);
+ current_id = rqstor->next_request_id;
+
+ /* Requestor array is full */
+ if (current_id >= rqstor->size) {
+ spin_unlock_irqrestore(&rqstor->req_lock, flags);
+ return VMBUS_RQST_ERROR;
+ }
+
+ rqstor->next_request_id = rqstor->req_arr[current_id];
+ rqstor->req_arr[current_id] = rqst_addr;
+
+ /* The already held spin lock provides atomicity */
+ bitmap_set(rqstor->req_bitmap, current_id, 1);
+
+ spin_unlock_irqrestore(&rqstor->req_lock, flags);
+
+ /*
+ * Cannot return an ID of 0, which is reserved for an unsolicited
+ * message from Hyper-V.
+ */
+ return current_id + 1;
+}
+EXPORT_SYMBOL_GPL(vmbus_next_request_id);
+
+/*
+ * vmbus_request_addr - Returns the memory address stored at @trans_id
+ * in @rqstor. Uses a spin lock to avoid race conditions.
+ * @rqstor: Pointer to the requestor struct
+ * @trans_id: Request id sent back from Hyper-V. Becomes the requestor's
+ * next request id.
+ */
+u64 vmbus_request_addr(struct vmbus_requestor *rqstor, u64 trans_id)
+{
+ unsigned long flags;
+ u64 req_addr;
+ const struct vmbus_channel *channel =
+ container_of(rqstor, const struct vmbus_channel, requestor);
+
+ /* Check rqstor has been initialized */
+ if (!channel->rqstor_size)
+ return VMBUS_NO_RQSTOR;
+
+ /* Hyper-V can send an unsolicited message with ID of 0 */
+ if (!trans_id)
+ return trans_id;
+
+ spin_lock_irqsave(&rqstor->req_lock, flags);
+
+ /* Data corresponding to trans_id is stored at trans_id - 1 */
+ trans_id--;
+
+ /* Invalid trans_id */
+ if (trans_id >= rqstor->size || !test_bit(trans_id, rqstor->req_bitmap)) {
+ spin_unlock_irqrestore(&rqstor->req_lock, flags);
+ return VMBUS_RQST_ERROR;
+ }
+
+ req_addr = rqstor->req_arr[trans_id];
+ rqstor->req_arr[trans_id] = rqstor->next_request_id;
+ rqstor->next_request_id = trans_id;
+
+ /* The already held spin lock provides atomicity */
+ bitmap_clear(rqstor->req_bitmap, trans_id, 1);
+
+ spin_unlock_irqrestore(&rqstor->req_lock, flags);
+ return req_addr;
+}
+EXPORT_SYMBOL_GPL(vmbus_request_addr);
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 7845fa5de..601660bca 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -180,7 +180,8 @@ int hv_ringbuffer_init(struct hv_ring_buffer_info *ring_info,
void hv_ringbuffer_cleanup(struct hv_ring_buffer_info *ring_info);
int hv_ringbuffer_write(struct vmbus_channel *channel,
- const struct kvec *kv_list, u32 kv_count);
+ const struct kvec *kv_list, u32 kv_count,
+ u64 requestid);
int hv_ringbuffer_read(struct vmbus_channel *channel,
void *buffer, u32 buflen, u32 *buffer_actual_len,
diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c
index 7ed6fad3f..a49cc69c5 100644
--- a/drivers/hv/ring_buffer.c
+++ b/drivers/hv/ring_buffer.c
@@ -261,7 +261,8 @@ EXPORT_SYMBOL_GPL(hv_ringbuffer_spinlock_busy);
/* Write to the ring buffer. */
int hv_ringbuffer_write(struct vmbus_channel *channel,
- const struct kvec *kv_list, u32 kv_count)
+ const struct kvec *kv_list, u32 kv_count,
+ u64 requestid)
{
int i;
u32 bytes_avail_towrite;
@@ -271,6 +272,8 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
u64 prev_indices;
unsigned long flags;
struct hv_ring_buffer_info *outring_info = &channel->outbound;
+ struct vmpacket_descriptor *desc = kv_list[0].iov_base;
+ u64 rqst_id = VMBUS_NO_RQSTOR;
if (channel->rescind)
return -ENODEV;
@@ -313,6 +316,22 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
kv_list[i].iov_len);
}
+ /*
+ * Allocate the request ID after the data has been copied into the
+ * ring buffer. Once this request ID is allocated, the completion
+ * path could find the data and free it.
+ */
+
+ if (desc->flags == VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED) {
+ rqst_id = vmbus_next_request_id(&channel->requestor, requestid);
+ if (rqst_id == VMBUS_RQST_ERROR) {
+ spin_unlock_irqrestore(&outring_info->ring_lock, flags);
+ return -EAGAIN;
+ }
+ }
+ desc = hv_get_ring_buffer(outring_info) + old_write;
+ desc->trans_id = (rqst_id == VMBUS_NO_RQSTOR) ? requestid : rqst_id;
+
/* Set previous packet start */
prev_indices = hv_get_ring_bufferindices(outring_info);
@@ -332,8 +351,13 @@ int hv_ringbuffer_write(struct vmbus_channel *channel,
hv_signal_on_write(old_write, channel);
- if (channel->rescind)
+ if (channel->rescind) {
+ if (rqst_id != VMBUS_NO_RQSTOR) {
+ /* Reclaim request ID to avoid leak of IDs */
+ vmbus_request_addr(&channel->requestor, rqst_id);
+ }
return -ENODEV;
+ }
return 0;
}
diff --git a/drivers/hwmon/amc6821.c b/drivers/hwmon/amc6821.c
index 6b1ce2242..60dfdb0f5 100644
--- a/drivers/hwmon/amc6821.c
+++ b/drivers/hwmon/amc6821.c
@@ -934,10 +934,21 @@ static const struct i2c_device_id amc6821_id[] = {
MODULE_DEVICE_TABLE(i2c, amc6821_id);
+static const struct of_device_id __maybe_unused amc6821_of_match[] = {
+ {
+ .compatible = "ti,amc6821",
+ .data = (void *)amc6821,
+ },
+ { }
+};
+
+MODULE_DEVICE_TABLE(of, amc6821_of_match);
+
static struct i2c_driver amc6821_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "amc6821",
+ .of_match_table = of_match_ptr(amc6821_of_match),
},
.probe_new = amc6821_probe,
.id_table = amc6821_id,
diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
index 3d8239fd6..3dc97041a 100644
--- a/drivers/hwmon/aspeed-pwm-tacho.c
+++ b/drivers/hwmon/aspeed-pwm-tacho.c
@@ -194,6 +194,8 @@ struct aspeed_pwm_tacho_data {
u8 fan_tach_ch_source[16];
struct aspeed_cooling_device *cdev[8];
const struct attribute_group *groups[3];
+ /* protects access to shared ASPEED_PTCR_RESULT */
+ struct mutex tach_lock;
};
enum type { TYPEM, TYPEN, TYPEO };
@@ -528,6 +530,8 @@ static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv,
u8 fan_tach_ch_source, type, mode, both;
int ret;
+ mutex_lock(&priv->tach_lock);
+
regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0);
regmap_write(priv->regmap, ASPEED_PTCR_TRIGGER, 0x1 << fan_tach_ch);
@@ -545,6 +549,8 @@ static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv,
ASPEED_RPM_STATUS_SLEEP_USEC,
usec);
+ mutex_unlock(&priv->tach_lock);
+
/* return -ETIMEDOUT if we didn't get an answer. */
if (ret)
return ret;
@@ -904,6 +910,7 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev)
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
+ mutex_init(&priv->tach_lock);
priv->regmap = devm_regmap_init(dev, NULL, (__force void *)regs,
&aspeed_pwm_tacho_regmap_config);
if (IS_ERR(priv->regmap))
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 5b2057ce5..cbe2f874b 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -40,7 +40,7 @@ MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius");
#define PKG_SYSFS_ATTR_NO 1 /* Sysfs attribute for package temp */
#define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */
-#define NUM_REAL_CORES 128 /* Number of Real cores per cpu */
+#define NUM_REAL_CORES 512 /* Number of Real cores per cpu */
#define CORETEMP_NAME_LENGTH 28 /* String Length of attrs */
#define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */
#define TOTAL_ATTRS (MAX_CORE_ATTRS + 1)
@@ -380,7 +380,7 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev)
}
static int create_core_attrs(struct temp_data *tdata, struct device *dev,
- int attr_no)
+ int index)
{
int i;
static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev,
@@ -392,13 +392,20 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev,
};
for (i = 0; i < tdata->attr_size; i++) {
+ /*
+ * We map the attr number to core id of the CPU
+ * The attr number is always core id + 2
+ * The Pkgtemp will always show up as temp1_*, if available
+ */
+ int attr_no = tdata->is_pkg_data ? 1 : tdata->cpu_core_id + 2;
+
snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH,
"temp%d_%s", attr_no, suffixes[i]);
sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr);
tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i];
tdata->sd_attrs[i].dev_attr.attr.mode = 0444;
tdata->sd_attrs[i].dev_attr.show = rd_ptr[i];
- tdata->sd_attrs[i].index = attr_no;
+ tdata->sd_attrs[i].index = index;
tdata->attrs[i] = &tdata->sd_attrs[i].dev_attr.attr;
}
tdata->attr_group.attrs = tdata->attrs;
@@ -456,27 +463,22 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
struct platform_data *pdata = platform_get_drvdata(pdev);
struct cpuinfo_x86 *c = &cpu_data(cpu);
u32 eax, edx;
- int err, index, attr_no;
+ int err, index;
/*
- * Find attr number for sysfs:
- * We map the attr number to core id of the CPU
- * The attr number is always core id + 2
- * The Pkgtemp will always show up as temp1_*, if available
+ * Get the index of tdata in pdata->core_data[]
+ * tdata for package: pdata->core_data[1]
+ * tdata for core: pdata->core_data[2] .. pdata->core_data[NUM_REAL_CORES + 1]
*/
if (pkg_flag) {
- attr_no = PKG_SYSFS_ATTR_NO;
+ index = PKG_SYSFS_ATTR_NO;
} else {
- index = ida_alloc(&pdata->ida, GFP_KERNEL);
+ index = ida_alloc_max(&pdata->ida, NUM_REAL_CORES - 1, GFP_KERNEL);
if (index < 0)
return index;
- pdata->cpu_map[index] = topology_core_id(cpu);
- attr_no = index + BASE_SYSFS_ATTR_NO;
- }
- if (attr_no > MAX_CORE_DATA - 1) {
- err = -ERANGE;
- goto ida_free;
+ pdata->cpu_map[index] = topology_core_id(cpu);
+ index += BASE_SYSFS_ATTR_NO;
}
tdata = init_temp_data(cpu, pkg_flag);
@@ -508,20 +510,20 @@ static int create_core_data(struct platform_device *pdev, unsigned int cpu,
}
}
- pdata->core_data[attr_no] = tdata;
+ pdata->core_data[index] = tdata;
/* Create sysfs interfaces */
- err = create_core_attrs(tdata, pdata->hwmon_dev, attr_no);
+ err = create_core_attrs(tdata, pdata->hwmon_dev, index);
if (err)
goto exit_free;
return 0;
exit_free:
- pdata->core_data[attr_no] = NULL;
+ pdata->core_data[index] = NULL;
kfree(tdata);
ida_free:
if (!pkg_flag)
- ida_free(&pdata->ida, index);
+ ida_free(&pdata->ida, index - BASE_SYSFS_ATTR_NO);
return err;
}
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index cb8f56022..d6b945f5b 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -540,12 +540,13 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
return -EOPNOTSUPP;
}
- inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
+ /* Set block buffer mode */
+ outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));
- /* Use 32-byte buffer to process this transaction */
if (read_write == I2C_SMBUS_WRITE) {
len = data->block[0];
outb_p(len, SMBHSTDAT0(priv));
+ inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
outb_p(data->block[i+1], SMBBLKDAT(priv));
}
@@ -561,6 +562,7 @@ static int i801_block_transaction_by_block(struct i801_priv *priv,
return -EPROTO;
data->block[0] = len;
+ inb_p(SMBHSTCNT(priv)); /* reset the data buffer index */
for (i = 0; i < len; i++)
data->block[i + 1] = inb_p(SMBBLKDAT(priv));
}
@@ -780,14 +782,6 @@ exit:
return i801_check_post(priv, status);
}
-static int i801_set_block_buffer_mode(struct i801_priv *priv)
-{
- outb_p(inb_p(SMBAUXCTL(priv)) | SMBAUXCTL_E32B, SMBAUXCTL(priv));
- if ((inb_p(SMBAUXCTL(priv)) & SMBAUXCTL_E32B) == 0)
- return -EIO;
- return 0;
-}
-
/* Block transaction function */
static int i801_block_transaction(struct i801_priv *priv,
union i2c_smbus_data *data, char read_write,
@@ -817,9 +811,8 @@ static int i801_block_transaction(struct i801_priv *priv,
/* Experience has shown that the block buffer can only be used for
SMBus (not I2C) block transactions, even though the datasheet
doesn't mention this limitation. */
- if ((priv->features & FEATURE_BLOCK_BUFFER)
- && command != I2C_SMBUS_I2C_BLOCK_DATA
- && i801_set_block_buffer_mode(priv) == 0)
+ if ((priv->features & FEATURE_BLOCK_BUFFER) &&
+ command != I2C_SMBUS_I2C_BLOCK_DATA)
result = i801_block_transaction_by_block(priv, data,
read_write,
command, hwpec);
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 34fecf97a..e8a89e18c 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -2013,13 +2013,18 @@ static int i2c_check_for_quirks(struct i2c_adapter *adap, struct i2c_msg *msgs,
* Returns negative errno, else the number of messages executed.
*
* Adapter lock must be held when calling this function. No debug logging
- * takes place. adap->algo->master_xfer existence isn't checked.
+ * takes place.
*/
int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
{
unsigned long orig_jiffies;
int ret, try;
+ if (!adap->algo->master_xfer) {
+ dev_dbg(&adap->dev, "I2C level transfers not supported\n");
+ return -EOPNOTSUPP;
+ }
+
if (WARN_ON(!msgs || num < 1))
return -EINVAL;
@@ -2086,11 +2091,6 @@ int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
{
int ret;
- if (!adap->algo->master_xfer) {
- dev_dbg(&adap->dev, "I2C level transfers not supported\n");
- return -EOPNOTSUPP;
- }
-
/* REVISIT the fault reporting model here is weak:
*
* - When we get an error after receiving N bytes from a slave,
diff --git a/drivers/i3c/master/i3c-master-cdns.c b/drivers/i3c/master/i3c-master-cdns.c
index 6b9df33ac..6b126fce5 100644
--- a/drivers/i3c/master/i3c-master-cdns.c
+++ b/drivers/i3c/master/i3c-master-cdns.c
@@ -77,7 +77,8 @@
#define PRESCL_CTRL0 0x14
#define PRESCL_CTRL0_I2C(x) ((x) << 16)
#define PRESCL_CTRL0_I3C(x) (x)
-#define PRESCL_CTRL0_MAX GENMASK(9, 0)
+#define PRESCL_CTRL0_I3C_MAX GENMASK(9, 0)
+#define PRESCL_CTRL0_I2C_MAX GENMASK(15, 0)
#define PRESCL_CTRL1 0x18
#define PRESCL_CTRL1_PP_LOW_MASK GENMASK(15, 8)
@@ -1234,7 +1235,7 @@ static int cdns_i3c_master_bus_init(struct i3c_master_controller *m)
return -EINVAL;
pres = DIV_ROUND_UP(sysclk_rate, (bus->scl_rate.i3c * 4)) - 1;
- if (pres > PRESCL_CTRL0_MAX)
+ if (pres > PRESCL_CTRL0_I3C_MAX)
return -ERANGE;
bus->scl_rate.i3c = sysclk_rate / ((pres + 1) * 4);
@@ -1247,7 +1248,7 @@ static int cdns_i3c_master_bus_init(struct i3c_master_controller *m)
max_i2cfreq = bus->scl_rate.i2c;
pres = (sysclk_rate / (max_i2cfreq * 5)) - 1;
- if (pres > PRESCL_CTRL0_MAX)
+ if (pres > PRESCL_CTRL0_I2C_MAX)
return -ERANGE;
bus->scl_rate.i2c = sysclk_rate / ((pres + 1) * 5);
diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 8acf277b8..1c82840ac 100644
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -128,10 +128,12 @@ config BMA400
config BMA400_I2C
tristate
+ select REGMAP_I2C
depends on BMA400
config BMA400_SPI
tristate
+ select REGMAP_SPI
depends on BMA400
config BMC150_ACCEL
diff --git a/drivers/iio/adc/ad7091r-base.c b/drivers/iio/adc/ad7091r-base.c
index 811f04448..76002b91c 100644
--- a/drivers/iio/adc/ad7091r-base.c
+++ b/drivers/iio/adc/ad7091r-base.c
@@ -6,6 +6,7 @@
*/
#include <linux/bitops.h>
+#include <linux/bitfield.h>
#include <linux/iio/events.h>
#include <linux/iio/iio.h>
#include <linux/interrupt.h>
@@ -28,6 +29,7 @@
#define AD7091R_REG_RESULT_CONV_RESULT(x) ((x) & 0xfff)
/* AD7091R_REG_CONF */
+#define AD7091R_REG_CONF_ALERT_EN BIT(4)
#define AD7091R_REG_CONF_AUTO BIT(8)
#define AD7091R_REG_CONF_CMD BIT(10)
@@ -49,6 +51,27 @@ struct ad7091r_state {
struct mutex lock; /*lock to prevent concurent reads */
};
+const struct iio_event_spec ad7091r_events[] = {
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_RISING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ },
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_FALLING,
+ .mask_separate = BIT(IIO_EV_INFO_VALUE) |
+ BIT(IIO_EV_INFO_ENABLE),
+ },
+ {
+ .type = IIO_EV_TYPE_THRESH,
+ .dir = IIO_EV_DIR_EITHER,
+ .mask_separate = BIT(IIO_EV_INFO_HYSTERESIS),
+ },
+};
+EXPORT_SYMBOL_NS_GPL(ad7091r_events, IIO_AD7091R);
+
static int ad7091r_set_mode(struct ad7091r_state *st, enum ad7091r_mode mode)
{
int ret, conf;
@@ -168,8 +191,142 @@ unlock:
return ret;
}
+static int ad7091r_read_event_config(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+ int val, ret;
+
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ &val);
+ if (ret)
+ return ret;
+ return val != AD7091R_HIGH_LIMIT;
+ case IIO_EV_DIR_FALLING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ &val);
+ if (ret)
+ return ret;
+ return val != AD7091R_LOW_LIMIT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ad7091r_write_event_config(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir, int state)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+
+ if (state) {
+ return regmap_set_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_ALERT_EN);
+ } else {
+ /*
+ * Set thresholds either to 0 or to 2^12 - 1 as appropriate to
+ * prevent alerts and thus disable event generation.
+ */
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ AD7091R_HIGH_LIMIT);
+ case IIO_EV_DIR_FALLING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ AD7091R_LOW_LIMIT);
+ default:
+ return -EINVAL;
+ }
+ }
+}
+
+static int ad7091r_read_event_value(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info, int *val, int *val2)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+ int ret;
+
+ switch (info) {
+ case IIO_EV_INFO_VALUE:
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ val);
+ if (ret)
+ return ret;
+ return IIO_VAL_INT;
+ case IIO_EV_DIR_FALLING:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ val);
+ if (ret)
+ return ret;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+ case IIO_EV_INFO_HYSTERESIS:
+ ret = regmap_read(st->map,
+ AD7091R_REG_CH_HYSTERESIS(chan->channel),
+ val);
+ if (ret)
+ return ret;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int ad7091r_write_event_value(struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan,
+ enum iio_event_type type,
+ enum iio_event_direction dir,
+ enum iio_event_info info, int val, int val2)
+{
+ struct ad7091r_state *st = iio_priv(indio_dev);
+
+ switch (info) {
+ case IIO_EV_INFO_VALUE:
+ switch (dir) {
+ case IIO_EV_DIR_RISING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_HIGH_LIMIT(chan->channel),
+ val);
+ case IIO_EV_DIR_FALLING:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_LOW_LIMIT(chan->channel),
+ val);
+ default:
+ return -EINVAL;
+ }
+ case IIO_EV_INFO_HYSTERESIS:
+ return regmap_write(st->map,
+ AD7091R_REG_CH_HYSTERESIS(chan->channel),
+ val);
+ default:
+ return -EINVAL;
+ }
+}
+
static const struct iio_info ad7091r_info = {
.read_raw = ad7091r_read_raw,
+ .read_event_config = &ad7091r_read_event_config,
+ .write_event_config = &ad7091r_write_event_config,
+ .read_event_value = &ad7091r_read_event_value,
+ .write_event_value = &ad7091r_write_event_value,
};
static irqreturn_t ad7091r_event_handler(int irq, void *private)
@@ -232,6 +389,11 @@ int ad7091r_probe(struct device *dev, const char *name,
iio_dev->channels = chip_info->channels;
if (irq) {
+ ret = regmap_update_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_ALERT_EN, BIT(4));
+ if (ret)
+ return ret;
+
ret = devm_request_threaded_irq(dev, irq, NULL,
ad7091r_event_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, iio_dev);
@@ -243,7 +405,14 @@ int ad7091r_probe(struct device *dev, const char *name,
if (IS_ERR(st->vref)) {
if (PTR_ERR(st->vref) == -EPROBE_DEFER)
return -EPROBE_DEFER;
+
st->vref = NULL;
+ /* Enable internal vref */
+ ret = regmap_set_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_INT_VREF);
+ if (ret)
+ return dev_err_probe(st->dev, ret,
+ "Error on enable internal reference\n");
} else {
ret = regulator_enable(st->vref);
if (ret)
@@ -260,7 +429,7 @@ int ad7091r_probe(struct device *dev, const char *name,
return devm_iio_device_register(dev, iio_dev);
}
-EXPORT_SYMBOL_GPL(ad7091r_probe);
+EXPORT_SYMBOL_NS_GPL(ad7091r_probe, IIO_AD7091R);
static bool ad7091r_writeable_reg(struct device *dev, unsigned int reg)
{
@@ -290,7 +459,7 @@ const struct regmap_config ad7091r_regmap_config = {
.writeable_reg = ad7091r_writeable_reg,
.volatile_reg = ad7091r_volatile_reg,
};
-EXPORT_SYMBOL_GPL(ad7091r_regmap_config);
+EXPORT_SYMBOL_NS_GPL(ad7091r_regmap_config, IIO_AD7091R);
MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7091Rx multi-channel converters");
diff --git a/drivers/iio/adc/ad7091r-base.h b/drivers/iio/adc/ad7091r-base.h
index 509748aef..b9e1c8bf3 100644
--- a/drivers/iio/adc/ad7091r-base.h
+++ b/drivers/iio/adc/ad7091r-base.h
@@ -8,6 +8,12 @@
#ifndef __DRIVERS_IIO_ADC_AD7091R_BASE_H__
#define __DRIVERS_IIO_ADC_AD7091R_BASE_H__
+#define AD7091R_REG_CONF_INT_VREF BIT(0)
+
+/* AD7091R_REG_CH_LIMIT */
+#define AD7091R_HIGH_LIMIT 0xFFF
+#define AD7091R_LOW_LIMIT 0x0
+
struct device;
struct ad7091r_state;
@@ -17,6 +23,8 @@ struct ad7091r_chip_info {
unsigned int vref_mV;
};
+extern const struct iio_event_spec ad7091r_events[3];
+
extern const struct regmap_config ad7091r_regmap_config;
int ad7091r_probe(struct device *dev, const char *name,
diff --git a/drivers/iio/adc/ad7091r5.c b/drivers/iio/adc/ad7091r5.c
index 9665679c3..12d475463 100644
--- a/drivers/iio/adc/ad7091r5.c
+++ b/drivers/iio/adc/ad7091r5.c
@@ -12,26 +12,6 @@
#include "ad7091r-base.h"
-static const struct iio_event_spec ad7091r5_events[] = {
- {
- .type = IIO_EV_TYPE_THRESH,
- .dir = IIO_EV_DIR_RISING,
- .mask_separate = BIT(IIO_EV_INFO_VALUE) |
- BIT(IIO_EV_INFO_ENABLE),
- },
- {
- .type = IIO_EV_TYPE_THRESH,
- .dir = IIO_EV_DIR_FALLING,
- .mask_separate = BIT(IIO_EV_INFO_VALUE) |
- BIT(IIO_EV_INFO_ENABLE),
- },
- {
- .type = IIO_EV_TYPE_THRESH,
- .dir = IIO_EV_DIR_EITHER,
- .mask_separate = BIT(IIO_EV_INFO_HYSTERESIS),
- },
-};
-
#define AD7091R_CHANNEL(idx, bits, ev, num_ev) { \
.type = IIO_VOLTAGE, \
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
@@ -44,10 +24,10 @@ static const struct iio_event_spec ad7091r5_events[] = {
.scan_type.realbits = bits, \
}
static const struct iio_chan_spec ad7091r5_channels_irq[] = {
- AD7091R_CHANNEL(0, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
- AD7091R_CHANNEL(1, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
- AD7091R_CHANNEL(2, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
- AD7091R_CHANNEL(3, 12, ad7091r5_events, ARRAY_SIZE(ad7091r5_events)),
+ AD7091R_CHANNEL(0, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
+ AD7091R_CHANNEL(1, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
+ AD7091R_CHANNEL(2, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
+ AD7091R_CHANNEL(3, 12, ad7091r_events, ARRAY_SIZE(ad7091r_events)),
};
static const struct iio_chan_spec ad7091r5_channels_noirq[] = {
@@ -111,3 +91,4 @@ module_i2c_driver(ad7091r5_driver);
MODULE_AUTHOR("Beniamin Bia <beniamin.bia@analog.com>");
MODULE_DESCRIPTION("Analog Devices AD7091R5 multi-channel ADC driver");
MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(IIO_AD7091R);
diff --git a/drivers/iio/magnetometer/rm3100-core.c b/drivers/iio/magnetometer/rm3100-core.c
index 720234a91..e7690d386 100644
--- a/drivers/iio/magnetometer/rm3100-core.c
+++ b/drivers/iio/magnetometer/rm3100-core.c
@@ -538,6 +538,7 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq)
struct rm3100_data *data;
unsigned int tmp;
int ret;
+ int samp_rate_index;
indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
if (!indio_dev)
@@ -596,9 +597,14 @@ int rm3100_common_probe(struct device *dev, struct regmap *regmap, int irq)
ret = regmap_read(regmap, RM3100_REG_TMRC, &tmp);
if (ret < 0)
return ret;
+
+ samp_rate_index = tmp - RM3100_TMRC_OFFSET;
+ if (samp_rate_index < 0 || samp_rate_index >= RM3100_SAMP_NUM) {
+ dev_err(dev, "The value read from RM3100_REG_TMRC is invalid!\n");
+ return -EINVAL;
+ }
/* Initializing max wait time, which is double conversion time. */
- data->conversion_time = rm3100_samp_rates[tmp - RM3100_TMRC_OFFSET][2]
- * 2;
+ data->conversion_time = rm3100_samp_rates[samp_rate_index][2] * 2;
/* Cycle count values may not be what we want. */
if ((tmp - RM3100_TMRC_OFFSET) == 0)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index db1a25fbe..26c66685a 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -33,6 +33,7 @@ MODULE_AUTHOR("Sean Hefty");
MODULE_DESCRIPTION("InfiniBand CM");
MODULE_LICENSE("Dual BSD/GPL");
+#define CM_DESTROY_ID_WAIT_TIMEOUT 10000 /* msecs */
static const char * const ibcm_rej_reason_strs[] = {
[IB_CM_REJ_NO_QP] = "no QP",
[IB_CM_REJ_NO_EEC] = "no EEC",
@@ -1056,13 +1057,26 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
}
}
+static noinline void cm_destroy_id_wait_timeout(struct ib_cm_id *cm_id,
+ enum ib_cm_state old_state)
+{
+ struct cm_id_private *cm_id_priv;
+
+ cm_id_priv = container_of(cm_id, struct cm_id_private, id);
+ pr_err("%s: cm_id=%p timed out. state %d -> %d, refcnt=%d\n", __func__,
+ cm_id, old_state, cm_id->state, refcount_read(&cm_id_priv->refcount));
+}
+
static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
{
struct cm_id_private *cm_id_priv;
+ enum ib_cm_state old_state;
struct cm_work *work;
+ int ret;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
spin_lock_irq(&cm_id_priv->lock);
+ old_state = cm_id->state;
retest:
switch (cm_id->state) {
case IB_CM_LISTEN:
@@ -1171,7 +1185,14 @@ retest:
xa_erase(&cm.local_id_table, cm_local_id(cm_id->local_id));
cm_deref_id(cm_id_priv);
- wait_for_completion(&cm_id_priv->comp);
+ do {
+ ret = wait_for_completion_timeout(&cm_id_priv->comp,
+ msecs_to_jiffies(
+ CM_DESTROY_ID_WAIT_TIMEOUT));
+ if (!ret) /* timeout happened */
+ cm_destroy_id_wait_timeout(cm_id, old_state);
+ } while (!ret);
+
while ((work = cm_dequeue_work(cm_id_priv)) != NULL)
cm_free_work(work);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 3c29fd04b..94c3bad72 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -1686,7 +1686,7 @@ static int assign_client_id(struct ib_client *client)
{
int ret;
- down_write(&clients_rwsem);
+ lockdep_assert_held(&clients_rwsem);
/*
* The add/remove callbacks must be called in FIFO/LIFO order. To
* achieve this we assign client_ids so they are sorted in
@@ -1695,14 +1695,11 @@ static int assign_client_id(struct ib_client *client)
client->client_id = highest_client_id;
ret = xa_insert(&clients, client->client_id, client, GFP_KERNEL);
if (ret)
- goto out;
+ return ret;
highest_client_id++;
xa_set_mark(&clients, client->client_id, CLIENT_REGISTERED);
-
-out:
- up_write(&clients_rwsem);
- return ret;
+ return 0;
}
static void remove_client_id(struct ib_client *client)
@@ -1732,25 +1729,35 @@ int ib_register_client(struct ib_client *client)
{
struct ib_device *device;
unsigned long index;
+ bool need_unreg = false;
int ret;
refcount_set(&client->uses, 1);
init_completion(&client->uses_zero);
+
+ /*
+ * The devices_rwsem is held in write mode to ensure that a racing
+ * ib_register_device() sees a consisent view of clients and devices.
+ */
+ down_write(&devices_rwsem);
+ down_write(&clients_rwsem);
ret = assign_client_id(client);
if (ret)
- return ret;
+ goto out;
- down_read(&devices_rwsem);
+ need_unreg = true;
xa_for_each_marked (&devices, index, device, DEVICE_REGISTERED) {
ret = add_client_context(device, client);
- if (ret) {
- up_read(&devices_rwsem);
- ib_unregister_client(client);
- return ret;
- }
+ if (ret)
+ goto out;
}
- up_read(&devices_rwsem);
- return 0;
+ ret = 0;
+out:
+ up_write(&clients_rwsem);
+ up_write(&devices_rwsem);
+ if (need_unreg && ret)
+ ib_unregister_client(client);
+ return ret;
}
EXPORT_SYMBOL(ib_register_client);
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 2a973a139..a0d7777ac 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1711,7 +1711,7 @@ int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr,
switch (srq_attr_mask) {
case IB_SRQ_MAX_WR:
/* SRQ resize is not supported */
- break;
+ return -EINVAL;
case IB_SRQ_LIMIT:
/* Change the SRQ threshold */
if (srq_attr->srq_limit > srq->qplib_srq.max_wqe)
@@ -1726,13 +1726,12 @@ int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr,
/* On success, update the shadow */
srq->srq_limit = srq_attr->srq_limit;
/* No need to Build and send response back to udata */
- break;
+ return 0;
default:
ibdev_err(&rdev->ibdev,
"Unsupported srq_attr_mask 0x%x", srq_attr_mask);
return -EINVAL;
}
- return 0;
}
int bnxt_re_query_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr)
diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c
index 60eb3a645..969004258 100644
--- a/drivers/infiniband/hw/hfi1/pio.c
+++ b/drivers/infiniband/hw/hfi1/pio.c
@@ -2131,7 +2131,7 @@ int init_credit_return(struct hfi1_devdata *dd)
"Unable to allocate credit return DMA range for NUMA %d\n",
i);
ret = -ENOMEM;
- goto done;
+ goto free_cr_base;
}
}
set_dev_node(&dd->pcidev->dev, dd->node);
@@ -2139,6 +2139,10 @@ int init_credit_return(struct hfi1_devdata *dd)
ret = 0;
done:
return ret;
+
+free_cr_base:
+ free_credit_return(dd);
+ goto done;
}
void free_credit_return(struct hfi1_devdata *dd)
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index 2dc97de43..68a8557e9 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -3200,7 +3200,7 @@ int _pad_sdma_tx_descs(struct hfi1_devdata *dd, struct sdma_txreq *tx)
{
int rval = 0;
- if ((unlikely(tx->num_desc + 1 == tx->desc_limit))) {
+ if ((unlikely(tx->num_desc == tx->desc_limit))) {
rval = _extend_sdma_tx_descs(dd, tx);
if (rval) {
__sdma_txclean(dd, tx);
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index a56ebdc15..f67ebd9f3 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -2780,7 +2780,7 @@ DECLARE_UVERBS_NAMED_METHOD(
MLX5_IB_METHOD_DEVX_OBJ_MODIFY,
UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE,
UVERBS_IDR_ANY_OBJECT,
- UVERBS_ACCESS_WRITE,
+ UVERBS_ACCESS_READ,
UA_MANDATORY),
UVERBS_ATTR_PTR_IN(
MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN,
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index cca7a4a6b..7f12a9b05 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -166,7 +166,8 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u8 port_num,
mdev = dev->mdev;
mdev_port_num = 1;
}
- if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) {
+ if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1 &&
+ !mlx5_core_mp_enabled(mdev)) {
/* set local port to one for Function-Per-Port HCA. */
mdev = dev->mdev;
mdev_port_num = 1;
diff --git a/drivers/infiniband/hw/mlx5/wr.c b/drivers/infiniband/hw/mlx5/wr.c
index d6038fb6c..19fd440a6 100644
--- a/drivers/infiniband/hw/mlx5/wr.c
+++ b/drivers/infiniband/hw/mlx5/wr.c
@@ -128,7 +128,7 @@ static void set_eth_seg(const struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
*/
copysz = min_t(u64, *cur_edge - (void *)eseg->inline_hdr.start,
left);
- memcpy(eseg->inline_hdr.start, pdata, copysz);
+ memcpy(eseg->inline_hdr.data, pdata, copysz);
stride = ALIGN(sizeof(struct mlx5_wqe_eth_seg) -
sizeof(eseg->inline_hdr.start) + copysz, 16);
*size += stride / 16;
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 3543b9af1..d382ac211 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -1865,8 +1865,17 @@ static int qedr_create_user_qp(struct qedr_dev *dev,
/* RQ - read access only (0) */
rc = qedr_init_user_queue(udata, dev, &qp->urq, ureq.rq_addr,
ureq.rq_len, true, 0, alloc_and_init);
- if (rc)
+ if (rc) {
+ ib_umem_release(qp->usq.umem);
+ qp->usq.umem = NULL;
+ if (rdma_protocol_roce(&dev->ibdev, 1)) {
+ qedr_free_pbl(dev, &qp->usq.pbl_info,
+ qp->usq.pbl_tbl);
+ } else {
+ kfree(qp->usq.pbl_tbl);
+ }
return rc;
+ }
}
memset(&in_params, 0, sizeof(in_params));
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 95f0de0c8..0505c81aa 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -35,6 +35,8 @@ void rxe_dealloc(struct ib_device *ib_dev)
if (rxe->tfm)
crypto_free_shash(rxe->tfm);
+
+ mutex_destroy(&rxe->usdev_lock);
}
/* initialize rxe device parameters */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 86e4ed64e..e009123c7 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -542,21 +542,18 @@ static int ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast)
/* SM supports sendonly-fullmember, otherwise fallback to full-member */
rec.join_state = SENDONLY_FULLMEMBER_JOIN;
}
- spin_unlock_irq(&priv->lock);
multicast = ib_sa_join_multicast(&ipoib_sa_client, priv->ca, priv->port,
- &rec, comp_mask, GFP_KERNEL,
+ &rec, comp_mask, GFP_ATOMIC,
ipoib_mcast_join_complete, mcast);
- spin_lock_irq(&priv->lock);
if (IS_ERR(multicast)) {
ret = PTR_ERR(multicast);
ipoib_warn(priv, "ib_sa_join_multicast failed, status %d\n", ret);
/* Requeue this join task with a backoff delay */
__ipoib_mcast_schedule_join_thread(priv, mcast, 1);
clear_bit(IPOIB_MCAST_FLAG_BUSY, &mcast->flags);
- spin_unlock_irq(&priv->lock);
complete(&mcast->done);
- spin_lock_irq(&priv->lock);
+ return ret;
}
return 0;
}
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 983f59c87..960f870a9 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -79,12 +79,16 @@ module_param(srpt_srq_size, int, 0444);
MODULE_PARM_DESC(srpt_srq_size,
"Shared receive queue (SRQ) size.");
+static int srpt_set_u64_x(const char *buffer, const struct kernel_param *kp)
+{
+ return kstrtou64(buffer, 16, (u64 *)kp->arg);
+}
static int srpt_get_u64_x(char *buffer, const struct kernel_param *kp)
{
return sprintf(buffer, "0x%016llx\n", *(u64 *)kp->arg);
}
-module_param_call(srpt_service_guid, NULL, srpt_get_u64_x, &srpt_service_guid,
- 0444);
+module_param_call(srpt_service_guid, srpt_set_u64_x, srpt_get_u64_x,
+ &srpt_service_guid, 0444);
MODULE_PARM_DESC(srpt_service_guid,
"Using this value for ioc_guid, id_ext, and cm_listen_id instead of using the node_guid of the first HCA.");
@@ -210,10 +214,12 @@ static const char *get_ch_state_name(enum rdma_ch_state s)
/**
* srpt_qp_event - QP event callback function
* @event: Description of the event that occurred.
- * @ch: SRPT RDMA channel.
+ * @ptr: SRPT RDMA channel.
*/
-static void srpt_qp_event(struct ib_event *event, struct srpt_rdma_ch *ch)
+static void srpt_qp_event(struct ib_event *event, void *ptr)
{
+ struct srpt_rdma_ch *ch = ptr;
+
pr_debug("QP event %d on ch=%p sess_name=%s-%d state=%s\n",
event->event, ch, ch->sess_name, ch->qp->qp_num,
get_ch_state_name(ch->state));
@@ -1803,8 +1809,7 @@ retry:
ch->cq_size = ch->rq_size + sq_size;
qp_init->qp_context = (void *)ch;
- qp_init->event_handler
- = (void(*)(struct ib_event *, void*))srpt_qp_event;
+ qp_init->event_handler = srpt_qp_event;
qp_init->send_cq = ch->cq;
qp_init->recv_cq = ch->cq;
qp_init->sq_sig_type = IB_SIGNAL_REQ_WR;
@@ -3200,7 +3205,6 @@ static int srpt_add_one(struct ib_device *device)
INIT_IB_EVENT_HANDLER(&sdev->event_handler, sdev->device,
srpt_event_handler);
- ib_register_event_handler(&sdev->event_handler);
for (i = 1; i <= sdev->device->phys_port_cnt; i++) {
sport = &sdev->port[i - 1];
@@ -3223,6 +3227,7 @@ static int srpt_add_one(struct ib_device *device)
}
}
+ ib_register_event_handler(&sdev->event_handler);
spin_lock(&srpt_dev_lock);
list_add_tail(&sdev->list, &srpt_dev_list);
spin_unlock(&srpt_dev_lock);
@@ -3233,7 +3238,6 @@ static int srpt_add_one(struct ib_device *device)
err_port:
srpt_unregister_mad_agent(sdev, i);
- ib_unregister_event_handler(&sdev->event_handler);
err_cm:
if (sdev->cm_id)
ib_destroy_cm_id(sdev->cm_id);
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 4912582c5..3e73eb465 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -802,7 +802,6 @@ static int atkbd_probe(struct atkbd *atkbd)
{
struct ps2dev *ps2dev = &atkbd->ps2dev;
unsigned char param[2];
- bool skip_getid;
/*
* Some systems, where the bit-twiddling when testing the io-lines of the
@@ -816,6 +815,11 @@ static int atkbd_probe(struct atkbd *atkbd)
"keyboard reset failed on %s\n",
ps2dev->serio->phys);
+ if (atkbd_skip_getid(atkbd)) {
+ atkbd->id = 0xab83;
+ return 0;
+ }
+
/*
* Then we check the keyboard ID. We should get 0xab83 under normal conditions.
* Some keyboards report different values, but the first byte is always 0xab or
@@ -824,18 +828,17 @@ static int atkbd_probe(struct atkbd *atkbd)
*/
param[0] = param[1] = 0xa5; /* initialize with invalid values */
- skip_getid = atkbd_skip_getid(atkbd);
- if (skip_getid || ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
+ if (ps2_command(ps2dev, param, ATKBD_CMD_GETID)) {
/*
- * If the get ID command was skipped or failed, we check if we can at least set
+ * If the get ID command failed, we check if we can at least set
* the LEDs on the keyboard. This should work on every keyboard out there.
* It also turns the LEDs off, which we want anyway.
*/
param[0] = 0;
if (ps2_command(ps2dev, param, ATKBD_CMD_SETLEDS))
return -1;
- atkbd->id = skip_getid ? 0xab83 : 0xabba;
+ atkbd->id = 0xabba;
return 0;
}
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c
index c3937d2fc..a0f9978c6 100644
--- a/drivers/input/keyboard/gpio_keys_polled.c
+++ b/drivers/input/keyboard/gpio_keys_polled.c
@@ -319,12 +319,10 @@ static int gpio_keys_polled_probe(struct platform_device *pdev)
error = devm_gpio_request_one(dev, button->gpio,
flags, button->desc ? : DRV_NAME);
- if (error) {
- dev_err(dev,
- "unable to claim gpio %u, err=%d\n",
- button->gpio, error);
- return error;
- }
+ if (error)
+ return dev_err_probe(dev, error,
+ "unable to claim gpio %u\n",
+ button->gpio);
bdata->gpiod = gpio_to_desc(button->gpio);
if (!bdata->gpiod) {
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index 258d5fe3d..aa32371f0 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -1196,7 +1196,11 @@ static int rmi_driver_probe(struct device *dev)
}
rmi_driver_set_input_params(rmi_dev, data->input);
data->input->phys = devm_kasprintf(dev, GFP_KERNEL,
- "%s/input0", dev_name(dev));
+ "%s/input0", dev_name(dev));
+ if (!data->input->phys) {
+ retval = -ENOMEM;
+ goto err;
+ }
}
retval = rmi_init_functions(data);
diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
index 124ab98ea..6804970d8 100644
--- a/drivers/input/serio/i8042-acpipnpio.h
+++ b/drivers/input/serio/i8042-acpipnpio.h
@@ -626,6 +626,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
.driver_data = (void *)(SERIO_QUIRK_NOAUX)
},
{
+ /* Fujitsu Lifebook U728 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U728"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOAUX)
+ },
+ {
/* Gigabyte M912 */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
@@ -1181,6 +1189,12 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
},
{
.matches = {
+ DMI_MATCH(DMI_BOARD_NAME, "NS5x_7xPU"),
+ },
+ .driver_data = (void *)(SERIO_QUIRK_NOAUX)
+ },
+ {
+ .matches = {
DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
},
.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 603f625a7..91cc3a564 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -1827,6 +1827,9 @@ static int __init iommu_init_pci(struct amd_iommu *iommu)
/* Prevent binding other PCI device drivers to IOMMU devices */
iommu->dev->match_driver = false;
+ /* ACPI _PRT won't have an IRQ for IOMMU */
+ iommu->dev->irq_managed = 1;
+
pci_read_config_dword(iommu->dev, cap_ptr + MMIO_CAP_HDR_OFFSET,
&iommu->cap);
diff --git a/drivers/iommu/intel/pasid.c b/drivers/iommu/intel/pasid.c
index 9b24e8224..586b289cf 100644
--- a/drivers/iommu/intel/pasid.c
+++ b/drivers/iommu/intel/pasid.c
@@ -489,6 +489,9 @@ devtlb_invalidation_with_pasid(struct intel_iommu *iommu,
if (!info || !info->ats_enabled)
return;
+ if (pci_dev_is_disconnected(to_pci_dev(dev)))
+ return;
+
sid = info->bus << 8 | info->devfn;
qdep = info->ats_qdep;
pfsid = info->pfsid;
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
index aabf56272..02e3183a4 100644
--- a/drivers/iommu/intel/svm.c
+++ b/drivers/iommu/intel/svm.c
@@ -33,7 +33,7 @@ int intel_svm_enable_prq(struct intel_iommu *iommu)
struct page *pages;
int irq, ret;
- pages = alloc_pages(GFP_KERNEL | __GFP_ZERO, PRQ_ORDER);
+ pages = alloc_pages_node(iommu->node, GFP_KERNEL | __GFP_ZERO, PRQ_ORDER);
if (!pages) {
pr_warn("IOMMU: %s: Failed to allocate page request queue\n",
iommu->name);
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
index a4aee16db..a46a4f836 100644
--- a/drivers/irqchip/irq-brcmstb-l2.c
+++ b/drivers/irqchip/irq-brcmstb-l2.c
@@ -2,7 +2,7 @@
/*
* Generic Broadcom Set Top Box Level 2 Interrupt controller driver
*
- * Copyright (C) 2014-2017 Broadcom
+ * Copyright (C) 2014-2024 Broadcom
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -113,6 +113,9 @@ static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc)
generic_handle_irq(irq_linear_revmap(b->domain, irq));
} while (status);
out:
+ /* Don't ack parent before all device writes are done */
+ wmb();
+
chained_irq_exit(chip, desc);
}
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index f1fa98e5e..4e486cccc 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -3782,8 +3782,9 @@ static int its_vpe_set_affinity(struct irq_data *d,
bool force)
{
struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
- int from, cpu = cpumask_first(mask_val);
+ struct cpumask common, *table_mask;
unsigned long flags;
+ int from, cpu;
/*
* Changing affinity is mega expensive, so let's be as lazy as
@@ -3799,19 +3800,22 @@ static int its_vpe_set_affinity(struct irq_data *d,
* taken on any vLPI handling path that evaluates vpe->col_idx.
*/
from = vpe_to_cpuid_lock(vpe, &flags);
- if (from == cpu)
- goto out;
-
- vpe->col_idx = cpu;
+ table_mask = gic_data_rdist_cpu(from)->vpe_table_mask;
/*
- * GICv4.1 allows us to skip VMOVP if moving to a cpu whose RD
- * is sharing its VPE table with the current one.
+ * If we are offered another CPU in the same GICv4.1 ITS
+ * affinity, pick this one. Otherwise, any CPU will do.
*/
- if (gic_data_rdist_cpu(cpu)->vpe_table_mask &&
- cpumask_test_cpu(from, gic_data_rdist_cpu(cpu)->vpe_table_mask))
+ if (table_mask && cpumask_and(&common, mask_val, table_mask))
+ cpu = cpumask_test_cpu(from, &common) ? from : cpumask_first(&common);
+ else
+ cpu = cpumask_first(mask_val);
+
+ if (from == cpu)
goto out;
+ vpe->col_idx = cpu;
+
its_send_vmovp(vpe);
its_vpe_db_proxy_move(vpe, from, cpu);
@@ -4504,13 +4508,8 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq
set_bit(i, bitmap);
}
- if (err) {
- if (i > 0)
- its_vpe_irq_domain_free(domain, virq, i);
-
- its_lpi_free(bitmap, base, nr_ids);
- its_free_prop_table(vprop_page);
- }
+ if (err)
+ its_vpe_irq_domain_free(domain, virq, i);
return err;
}
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index fc25b900c..7888e3c08 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c
@@ -398,6 +398,8 @@ static void gic_all_vpes_irq_cpu_online(void)
unsigned int intr = local_intrs[i];
struct gic_all_vpes_chip_data *cd;
+ if (!gic_local_irq_is_routable(intr))
+ continue;
cd = &gic_all_vpes_chip_data[intr];
write_gic_vl_map(mips_gic_vx_map_reg(intr), cd->map);
if (cd->mask)
diff --git a/drivers/leds/leds-aw2013.c b/drivers/leds/leds-aw2013.c
index 80d937454..f7d9795ce 100644
--- a/drivers/leds/leds-aw2013.c
+++ b/drivers/leds/leds-aw2013.c
@@ -397,6 +397,7 @@ error_reg:
regulator_disable(chip->vcc_regulator);
error:
+ mutex_unlock(&chip->mutex);
mutex_destroy(&chip->mutex);
return ret;
}
diff --git a/drivers/leds/leds-sgm3140.c b/drivers/leds/leds-sgm3140.c
index f4f831570..e72017b11 100644
--- a/drivers/leds/leds-sgm3140.c
+++ b/drivers/leds/leds-sgm3140.c
@@ -114,8 +114,11 @@ static int sgm3140_brightness_set(struct led_classdev *led_cdev,
"failed to enable regulator: %d\n", ret);
return ret;
}
+ gpiod_set_value_cansleep(priv->flash_gpio, 0);
gpiod_set_value_cansleep(priv->enable_gpio, 1);
} else {
+ del_timer_sync(&priv->powerdown_timer);
+ gpiod_set_value_cansleep(priv->flash_gpio, 0);
gpiod_set_value_cansleep(priv->enable_gpio, 0);
ret = regulator_disable(priv->vin_regulator);
if (ret) {
diff --git a/drivers/leds/trigger/ledtrig-panic.c b/drivers/leds/trigger/ledtrig-panic.c
index 5751cd032..4bf232465 100644
--- a/drivers/leds/trigger/ledtrig-panic.c
+++ b/drivers/leds/trigger/ledtrig-panic.c
@@ -63,10 +63,13 @@ static long led_panic_blink(int state)
static int __init ledtrig_panic_init(void)
{
+ led_trigger_register_simple("panic", &trigger);
+ if (!trigger)
+ return -ENOMEM;
+
atomic_notifier_chain_register(&panic_notifier_list,
&led_trigger_panic_nb);
- led_trigger_register_simple("panic", &trigger);
panic_blink = led_panic_blink;
return 0;
}
diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c
index c5663398c..28f5450e4 100644
--- a/drivers/mailbox/imx-mailbox.c
+++ b/drivers/mailbox/imx-mailbox.c
@@ -331,8 +331,6 @@ static int imx_mu_startup(struct mbox_chan *chan)
break;
}
- priv->suspend = true;
-
return 0;
}
@@ -550,8 +548,6 @@ static int imx_mu_probe(struct platform_device *pdev)
clk_disable_unprepare(priv->clk);
- priv->suspend = false;
-
return 0;
disable_runtime_pm:
@@ -614,6 +610,8 @@ static int __maybe_unused imx_mu_suspend_noirq(struct device *dev)
if (!priv->clk)
priv->xcr = imx_mu_read(priv, priv->dcfg->xCR);
+ priv->suspend = true;
+
return 0;
}
@@ -632,6 +630,8 @@ static int __maybe_unused imx_mu_resume_noirq(struct device *dev)
if (!imx_mu_read(priv, priv->dcfg->xCR) && !priv->clk)
imx_mu_write(priv, priv->xcr, priv->dcfg->xCR);
+ priv->suspend = false;
+
return 0;
}
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h
index 3db92d9a0..ff73b2c17 100644
--- a/drivers/md/dm-core.h
+++ b/drivers/md/dm-core.h
@@ -19,6 +19,8 @@
#include "dm.h"
#define DM_RESERVED_MAX_IOS 1024
+#define DM_MAX_TARGETS 1048576
+#define DM_MAX_TARGET_PARAMS 1024
struct dm_kobject_holder {
struct kobject kobj;
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 5d772f322..5deda6c6f 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -48,11 +48,11 @@
struct convert_context {
struct completion restart;
struct bio *bio_in;
- struct bio *bio_out;
struct bvec_iter iter_in;
+ struct bio *bio_out;
struct bvec_iter iter_out;
- u64 cc_sector;
atomic_t cc_pending;
+ u64 cc_sector;
union {
struct skcipher_request *req;
struct aead_request *req_aead;
@@ -2064,6 +2064,12 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
io->ctx.bio_out = clone;
io->ctx.iter_out = clone->bi_iter;
+ if (crypt_integrity_aead(cc)) {
+ bio_copy_data(clone, io->base_bio);
+ io->ctx.bio_in = clone;
+ io->ctx.iter_in = clone->bi_iter;
+ }
+
sector += bio_sectors(clone);
crypt_inc_pending(io);
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 62cae34ca..067be1d9f 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -3937,7 +3937,7 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
} else if (sscanf(opt_string, "sectors_per_bit:%llu%c", &llval, &dummy) == 1) {
log2_sectors_per_bitmap_bit = !llval ? 0 : __ilog2_u64(llval);
} else if (sscanf(opt_string, "bitmap_flush_interval:%u%c", &val, &dummy) == 1) {
- if (val >= (uint64_t)UINT_MAX * 1000 / HZ) {
+ if ((uint64_t)val >= (uint64_t)UINT_MAX * 1000 / HZ) {
r = -EINVAL;
ti->error = "Invalid bitmap_flush_interval argument";
goto bad;
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 5f9b9178c..4184c8a2d 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1760,7 +1760,8 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern
if (copy_from_user(param_kernel, user, minimum_data_size))
return -EFAULT;
- if (param_kernel->data_size < minimum_data_size)
+ if (unlikely(param_kernel->data_size < minimum_data_size) ||
+ unlikely(param_kernel->data_size > DM_MAX_TARGETS * DM_MAX_TARGET_PARAMS))
return -EINVAL;
secure_data = param_kernel->flags & DM_SECURE_DATA_FLAG;
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 140bdf2a6..99995b180 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -3329,14 +3329,14 @@ static int raid_map(struct dm_target *ti, struct bio *bio)
struct mddev *mddev = &rs->md;
/*
- * If we're reshaping to add disk(s)), ti->len and
+ * If we're reshaping to add disk(s), ti->len and
* mddev->array_sectors will differ during the process
* (ti->len > mddev->array_sectors), so we have to requeue
* bios with addresses > mddev->array_sectors here or
* there will occur accesses past EOD of the component
* data images thus erroring the raid set.
*/
- if (unlikely(bio_end_sector(bio) > mddev->array_sectors))
+ if (unlikely(bio_has_data(bio) && bio_end_sector(bio) > mddev->array_sectors))
return DM_MAPIO_REQUEUE;
md_handle_request(mddev, bio);
@@ -4019,7 +4019,9 @@ static void raid_resume(struct dm_target *ti)
* Take this opportunity to check whether any failed
* devices are reachable again.
*/
+ mddev_lock_nointr(mddev);
attempt_restore_of_faulty_devices(rs);
+ mddev_unlock(mddev);
}
if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) {
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 41735a25d..de73fe796 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -685,8 +685,10 @@ static void dm_exception_table_exit(struct dm_exception_table *et,
for (i = 0; i < size; i++) {
slot = et->table + i;
- hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list)
+ hlist_bl_for_each_entry_safe(ex, pos, n, slot, hash_list) {
kmem_cache_free(mem, ex);
+ cond_resched();
+ }
}
vfree(et->table);
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 5c590895c..31bcdcd93 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -144,7 +144,12 @@ static int alloc_targets(struct dm_table *t, unsigned int num)
int dm_table_create(struct dm_table **result, fmode_t mode,
unsigned num_targets, struct mapped_device *md)
{
- struct dm_table *t = kzalloc(sizeof(*t), GFP_KERNEL);
+ struct dm_table *t;
+
+ if (num_targets > DM_MAX_TARGETS)
+ return -EOVERFLOW;
+
+ t = kzalloc(sizeof(*t), GFP_KERNEL);
if (!t)
return -ENOMEM;
@@ -158,7 +163,7 @@ int dm_table_create(struct dm_table **result, fmode_t mode,
if (!num_targets) {
kfree(t);
- return -ENOMEM;
+ return -EOVERFLOW;
}
if (alloc_targets(t, num_targets)) {
diff --git a/drivers/md/dm-verity.h b/drivers/md/dm-verity.h
index 78d1e5119..f61c89c79 100644
--- a/drivers/md/dm-verity.h
+++ b/drivers/md/dm-verity.h
@@ -74,11 +74,11 @@ struct dm_verity_io {
/* original value of bio->bi_end_io */
bio_end_io_t *orig_bi_end_io;
+ struct bvec_iter iter;
+
sector_t block;
unsigned n_blocks;
- struct bvec_iter iter;
-
struct work_struct work;
/*
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 9029c1004..dc8498b4b 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -2733,6 +2733,9 @@ static void __dm_internal_suspend(struct mapped_device *md, unsigned suspend_fla
static void __dm_internal_resume(struct mapped_device *md)
{
+ int r;
+ struct dm_table *map;
+
BUG_ON(!md->internal_suspend_count);
if (--md->internal_suspend_count)
@@ -2741,12 +2744,23 @@ static void __dm_internal_resume(struct mapped_device *md)
if (dm_suspended_md(md))
goto done; /* resume from nested suspend */
- /*
- * NOTE: existing callers don't need to call dm_table_resume_targets
- * (which may fail -- so best to avoid it for now by passing NULL map)
- */
- (void) __dm_resume(md, NULL);
-
+ map = rcu_dereference_protected(md->map, lockdep_is_held(&md->suspend_lock));
+ r = __dm_resume(md, map);
+ if (r) {
+ /*
+ * If a preresume method of some target failed, we are in a
+ * tricky situation. We can't return an error to the caller. We
+ * can't fake success because then the "resume" and
+ * "postsuspend" methods would not be paired correctly, and it
+ * would break various targets, for example it would cause list
+ * corruption in the "origin" target.
+ *
+ * So, we fake normal suspend here, to make sure that the
+ * "resume" and "postsuspend" methods will be paired correctly.
+ */
+ DMERR("Preresume method failed: %d", r);
+ set_bit(DMF_SUSPENDED, &md->flags);
+ }
done:
clear_bit(DMF_SUSPENDED_INTERNALLY, &md->flags);
smp_mb__after_atomic();
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 6efe49f7b..09c7f5215 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1179,6 +1179,7 @@ struct super_type {
struct md_rdev *refdev,
int minor_version);
int (*validate_super)(struct mddev *mddev,
+ struct md_rdev *freshest,
struct md_rdev *rdev);
void (*sync_super)(struct mddev *mddev,
struct md_rdev *rdev);
@@ -1317,8 +1318,9 @@ static int super_90_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor
/*
* validate_super for 0.90.0
+ * note: we are not using "freshest" for 0.9 superblock
*/
-static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev)
+static int super_90_validate(struct mddev *mddev, struct md_rdev *freshest, struct md_rdev *rdev)
{
mdp_disk_t *desc;
mdp_super_t *sb = page_address(rdev->sb_page);
@@ -1833,7 +1835,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
return ret;
}
-static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
+static int super_1_validate(struct mddev *mddev, struct md_rdev *freshest, struct md_rdev *rdev)
{
struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
__u64 ev1 = le64_to_cpu(sb->events);
@@ -1929,13 +1931,15 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
}
} else if (mddev->pers == NULL) {
/* Insist of good event counter while assembling, except for
- * spares (which don't need an event count) */
- ++ev1;
+ * spares (which don't need an event count).
+ * Similar to mdadm, we allow event counter difference of 1
+ * from the freshest device.
+ */
if (rdev->desc_nr >= 0 &&
rdev->desc_nr < le32_to_cpu(sb->max_dev) &&
(le16_to_cpu(sb->dev_roles[rdev->desc_nr]) < MD_DISK_ROLE_MAX ||
le16_to_cpu(sb->dev_roles[rdev->desc_nr]) == MD_DISK_ROLE_JOURNAL))
- if (ev1 < mddev->events)
+ if (ev1 + 1 < mddev->events)
return -EINVAL;
} else if (mddev->bitmap) {
/* If adding to array with a bitmap, then we can accept an
@@ -1956,8 +1960,38 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
rdev->desc_nr >= le32_to_cpu(sb->max_dev)) {
role = MD_DISK_ROLE_SPARE;
rdev->desc_nr = -1;
- } else
+ } else if (mddev->pers == NULL && freshest && ev1 < mddev->events) {
+ /*
+ * If we are assembling, and our event counter is smaller than the
+ * highest event counter, we cannot trust our superblock about the role.
+ * It could happen that our rdev was marked as Faulty, and all other
+ * superblocks were updated with +1 event counter.
+ * Then, before the next superblock update, which typically happens when
+ * remove_and_add_spares() removes the device from the array, there was
+ * a crash or reboot.
+ * If we allow current rdev without consulting the freshest superblock,
+ * we could cause data corruption.
+ * Note that in this case our event counter is smaller by 1 than the
+ * highest, otherwise, this rdev would not be allowed into array;
+ * both kernel and mdadm allow event counter difference of 1.
+ */
+ struct mdp_superblock_1 *freshest_sb = page_address(freshest->sb_page);
+ u32 freshest_max_dev = le32_to_cpu(freshest_sb->max_dev);
+
+ if (rdev->desc_nr >= freshest_max_dev) {
+ /* this is unexpected, better not proceed */
+ pr_warn("md: %s: rdev[%pg]: desc_nr(%d) >= freshest(%pg)->sb->max_dev(%u)\n",
+ mdname(mddev), rdev->bdev, rdev->desc_nr,
+ freshest->bdev, freshest_max_dev);
+ return -EUCLEAN;
+ }
+
+ role = le16_to_cpu(freshest_sb->dev_roles[rdev->desc_nr]);
+ pr_debug("md: %s: rdev[%pg]: role=%d(0x%x) according to freshest %pg\n",
+ mdname(mddev), rdev->bdev, role, role, freshest->bdev);
+ } else {
role = le16_to_cpu(sb->dev_roles[rdev->desc_nr]);
+ }
switch(role) {
case MD_DISK_ROLE_SPARE: /* spare */
break;
@@ -2896,7 +2930,7 @@ static int add_bound_rdev(struct md_rdev *rdev)
* and should be added immediately.
*/
super_types[mddev->major_version].
- validate_super(mddev, rdev);
+ validate_super(mddev, NULL/*freshest*/, rdev);
if (add_journal)
mddev_suspend(mddev);
err = mddev->pers->hot_add_disk(mddev, rdev);
@@ -3814,7 +3848,7 @@ static int analyze_sbs(struct mddev *mddev)
}
super_types[mddev->major_version].
- validate_super(mddev, freshest);
+ validate_super(mddev, NULL/*freshest*/, freshest);
i = 0;
rdev_for_each_safe(rdev, tmp, mddev) {
@@ -3829,7 +3863,7 @@ static int analyze_sbs(struct mddev *mddev)
}
if (rdev != freshest) {
if (super_types[mddev->major_version].
- validate_super(mddev, rdev)) {
+ validate_super(mddev, freshest, rdev)) {
pr_warn("md: kicking non-fresh %s from array!\n",
bdevname(rdev->bdev,b));
md_kick_rdev_from_array(rdev);
@@ -6209,7 +6243,15 @@ static void md_clean(struct mddev *mddev)
mddev->persistent = 0;
mddev->level = LEVEL_NONE;
mddev->clevel[0] = 0;
- mddev->flags = 0;
+ /*
+ * Don't clear MD_CLOSING, or mddev can be opened again.
+ * 'hold_active != 0' means mddev is still in the creation
+ * process and will be used later.
+ */
+ if (mddev->hold_active)
+ mddev->flags = 0;
+ else
+ mddev->flags &= BIT_ULL_MASK(MD_CLOSING);
mddev->sb_flags = 0;
mddev->ro = 0;
mddev->metadata_type[0] = 0;
@@ -6817,7 +6859,7 @@ int md_add_new_disk(struct mddev *mddev, struct mdu_disk_info_s *info)
rdev->saved_raid_disk = rdev->raid_disk;
} else
super_types[mddev->major_version].
- validate_super(mddev, rdev);
+ validate_super(mddev, NULL/*freshest*/, rdev);
if ((info->state & (1<<MD_DISK_SYNC)) &&
rdev->raid_disk != info->raid_disk) {
/* This was a hot-add request, but events doesn't
@@ -7502,7 +7544,6 @@ static inline bool md_ioctl_valid(unsigned int cmd)
{
switch (cmd) {
case ADD_NEW_DISK:
- case BLKROSET:
case GET_ARRAY_INFO:
case GET_BITMAP_FILE:
case GET_DISK_INFO:
@@ -7529,8 +7570,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
int err = 0;
void __user *argp = (void __user *)arg;
struct mddev *mddev = NULL;
- int ro;
- bool did_set_md_closing = false;
if (!md_ioctl_valid(cmd))
return -ENOTTY;
@@ -7617,7 +7656,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
err = -EBUSY;
goto out;
}
- did_set_md_closing = true;
mutex_unlock(&mddev->open_mutex);
sync_blockdev(bdev);
}
@@ -7712,35 +7750,6 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
goto unlock;
}
break;
-
- case BLKROSET:
- if (get_user(ro, (int __user *)(arg))) {
- err = -EFAULT;
- goto unlock;
- }
- err = -EINVAL;
-
- /* if the bdev is going readonly the value of mddev->ro
- * does not matter, no writes are coming
- */
- if (ro)
- goto unlock;
-
- /* are we are already prepared for writes? */
- if (mddev->ro != 1)
- goto unlock;
-
- /* transitioning to readauto need only happen for
- * arrays that call md_write_start
- */
- if (mddev->pers) {
- err = restart_array(mddev);
- if (err == 0) {
- mddev->ro = 2;
- set_disk_ro(mddev->gendisk, 0);
- }
- }
- goto unlock;
}
/*
@@ -7810,7 +7819,7 @@ unlock:
mddev->hold_active = 0;
mddev_unlock(mddev);
out:
- if(did_set_md_closing)
+ if (cmd == STOP_ARRAY_RO || (err && cmd == STOP_ARRAY))
clear_bit(MD_CLOSING, &mddev->flags);
return err;
}
@@ -7834,6 +7843,36 @@ static int md_compat_ioctl(struct block_device *bdev, fmode_t mode,
}
#endif /* CONFIG_COMPAT */
+static int md_set_read_only(struct block_device *bdev, bool ro)
+{
+ struct mddev *mddev = bdev->bd_disk->private_data;
+ int err;
+
+ err = mddev_lock(mddev);
+ if (err)
+ return err;
+
+ if (!mddev->raid_disks && !mddev->external) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+
+ /*
+ * Transitioning to read-auto need only happen for arrays that call
+ * md_write_start and which are not ready for writes yet.
+ */
+ if (!ro && mddev->ro == 1 && mddev->pers) {
+ err = restart_array(mddev);
+ if (err)
+ goto out_unlock;
+ mddev->ro = 2;
+ }
+
+out_unlock:
+ mddev_unlock(mddev);
+ return err;
+}
+
static int md_open(struct block_device *bdev, fmode_t mode)
{
/*
@@ -7910,6 +7949,7 @@ const struct block_device_operations md_fops =
#endif
.getgeo = md_getgeo,
.check_events = md_check_events,
+ .set_read_only = md_set_read_only,
};
static int md_thread(void *arg)
diff --git a/drivers/media/cec/core/cec-adap.c b/drivers/media/cec/core/cec-adap.c
index 97b479223..2f7ab5df1 100644
--- a/drivers/media/cec/core/cec-adap.c
+++ b/drivers/media/cec/core/cec-adap.c
@@ -1116,20 +1116,6 @@ void cec_received_msg_ts(struct cec_adapter *adap,
if (valid_la && min_len) {
/* These messages have special length requirements */
switch (cmd) {
- case CEC_MSG_TIMER_STATUS:
- if (msg->msg[2] & 0x10) {
- switch (msg->msg[2] & 0xf) {
- case CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE:
- case CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE:
- if (msg->len < 5)
- valid_la = false;
- break;
- }
- } else if ((msg->msg[2] & 0xf) == CEC_OP_PROG_ERROR_DUPLICATE) {
- if (msg->len < 5)
- valid_la = false;
- }
- break;
case CEC_MSG_RECORD_ON:
switch (msg->msg[2]) {
case CEC_OP_RECORD_SRC_OWN:
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
index 7607b516a..68968bfa2 100644
--- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
+++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c
@@ -113,6 +113,7 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
{
unsigned pat;
unsigned plane;
+ int ret = 0;
tpg->max_line_width = max_w;
for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) {
@@ -121,14 +122,18 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
tpg->lines[pat][plane] =
vzalloc(array3_size(max_w, 2, pixelsz));
- if (!tpg->lines[pat][plane])
- return -ENOMEM;
+ if (!tpg->lines[pat][plane]) {
+ ret = -ENOMEM;
+ goto free_lines;
+ }
if (plane == 0)
continue;
tpg->downsampled_lines[pat][plane] =
vzalloc(array3_size(max_w, 2, pixelsz));
- if (!tpg->downsampled_lines[pat][plane])
- return -ENOMEM;
+ if (!tpg->downsampled_lines[pat][plane]) {
+ ret = -ENOMEM;
+ goto free_lines;
+ }
}
}
for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
@@ -136,18 +141,45 @@ int tpg_alloc(struct tpg_data *tpg, unsigned max_w)
tpg->contrast_line[plane] =
vzalloc(array_size(pixelsz, max_w));
- if (!tpg->contrast_line[plane])
- return -ENOMEM;
+ if (!tpg->contrast_line[plane]) {
+ ret = -ENOMEM;
+ goto free_contrast_line;
+ }
tpg->black_line[plane] =
vzalloc(array_size(pixelsz, max_w));
- if (!tpg->black_line[plane])
- return -ENOMEM;
+ if (!tpg->black_line[plane]) {
+ ret = -ENOMEM;
+ goto free_contrast_line;
+ }
tpg->random_line[plane] =
vzalloc(array3_size(max_w, 2, pixelsz));
- if (!tpg->random_line[plane])
- return -ENOMEM;
+ if (!tpg->random_line[plane]) {
+ ret = -ENOMEM;
+ goto free_contrast_line;
+ }
}
return 0;
+
+free_contrast_line:
+ for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
+ vfree(tpg->contrast_line[plane]);
+ vfree(tpg->black_line[plane]);
+ vfree(tpg->random_line[plane]);
+ tpg->contrast_line[plane] = NULL;
+ tpg->black_line[plane] = NULL;
+ tpg->random_line[plane] = NULL;
+ }
+free_lines:
+ for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++)
+ for (plane = 0; plane < TPG_MAX_PLANES; plane++) {
+ vfree(tpg->lines[pat][plane]);
+ tpg->lines[pat][plane] = NULL;
+ if (plane == 0)
+ continue;
+ vfree(tpg->downsampled_lines[pat][plane]);
+ tpg->downsampled_lines[pat][plane] = NULL;
+ }
+ return ret;
}
EXPORT_SYMBOL_GPL(tpg_alloc);
diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c
index 3a83e8e09..23a0c2097 100644
--- a/drivers/media/dvb-core/dvbdev.c
+++ b/drivers/media/dvb-core/dvbdev.c
@@ -504,6 +504,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
dvbdevfops = kmemdup(template->fops, sizeof(*dvbdevfops), GFP_KERNEL);
if (!dvbdevfops) {
kfree(dvbdev);
+ *pdvbdev = NULL;
mutex_unlock(&dvbdev_register_lock);
return -ENOMEM;
}
@@ -512,6 +513,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
if (!new_node) {
kfree(dvbdevfops);
kfree(dvbdev);
+ *pdvbdev = NULL;
mutex_unlock(&dvbdev_register_lock);
return -ENOMEM;
}
@@ -545,6 +547,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
}
list_del (&dvbdev->list_head);
kfree(dvbdev);
+ *pdvbdev = NULL;
up_write(&minor_rwsem);
mutex_unlock(&dvbdev_register_lock);
return -EINVAL;
@@ -567,6 +570,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
dvb_media_device_free(dvbdev);
list_del (&dvbdev->list_head);
kfree(dvbdev);
+ *pdvbdev = NULL;
mutex_unlock(&dvbdev_register_lock);
return ret;
}
@@ -585,6 +589,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
dvb_media_device_free(dvbdev);
list_del (&dvbdev->list_head);
kfree(dvbdev);
+ *pdvbdev = NULL;
mutex_unlock(&dvbdev_register_lock);
return PTR_ERR(clsdev);
}
diff --git a/drivers/media/dvb-frontends/stv0367.c b/drivers/media/dvb-frontends/stv0367.c
index 0bfca1174..8cbae8235 100644
--- a/drivers/media/dvb-frontends/stv0367.c
+++ b/drivers/media/dvb-frontends/stv0367.c
@@ -118,50 +118,32 @@ static const s32 stv0367cab_RF_LookUp2[RF_LOOKUP_TABLE2_SIZE][RF_LOOKUP_TABLE2_S
}
};
-static
-int stv0367_writeregs(struct stv0367_state *state, u16 reg, u8 *data, int len)
+static noinline_for_stack
+int stv0367_writereg(struct stv0367_state *state, u16 reg, u8 data)
{
- u8 buf[MAX_XFER_SIZE];
+ u8 buf[3] = { MSB(reg), LSB(reg), data };
struct i2c_msg msg = {
.addr = state->config->demod_address,
.flags = 0,
.buf = buf,
- .len = len + 2
+ .len = 3,
};
int ret;
- if (2 + len > sizeof(buf)) {
- printk(KERN_WARNING
- "%s: i2c wr reg=%04x: len=%d is too big!\n",
- KBUILD_MODNAME, reg, len);
- return -EINVAL;
- }
-
-
- buf[0] = MSB(reg);
- buf[1] = LSB(reg);
- memcpy(buf + 2, data, len);
-
if (i2cdebug)
printk(KERN_DEBUG "%s: [%02x] %02x: %02x\n", __func__,
- state->config->demod_address, reg, buf[2]);
+ state->config->demod_address, reg, data);
ret = i2c_transfer(state->i2c, &msg, 1);
if (ret != 1)
printk(KERN_ERR "%s: i2c write error! ([%02x] %02x: %02x)\n",
- __func__, state->config->demod_address, reg, buf[2]);
+ __func__, state->config->demod_address, reg, data);
return (ret != 1) ? -EREMOTEIO : 0;
}
-static int stv0367_writereg(struct stv0367_state *state, u16 reg, u8 data)
-{
- u8 tmp = data; /* see gcc.gnu.org/bugzilla/show_bug.cgi?id=81715 */
-
- return stv0367_writeregs(state, reg, &tmp, 1);
-}
-
-static u8 stv0367_readreg(struct stv0367_state *state, u16 reg)
+static noinline_for_stack
+u8 stv0367_readreg(struct stv0367_state *state, u16 reg)
{
u8 b0[] = { 0, 0 };
u8 b1[] = { 0 };
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index f21da11ca..8bcb4b354 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -2108,9 +2108,6 @@ static int tc358743_probe(struct i2c_client *client)
state->mbus_fmt_code = MEDIA_BUS_FMT_RGB888_1X24;
sd->dev = &client->dev;
- err = v4l2_async_register_subdev(sd);
- if (err < 0)
- goto err_hdl;
mutex_init(&state->confctl_mutex);
@@ -2168,6 +2165,10 @@ static int tc358743_probe(struct i2c_client *client)
if (err)
goto err_work_queues;
+ err = v4l2_async_register_subdev(sd);
+ if (err < 0)
+ goto err_work_queues;
+
v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
client->addr << 1, client->adapter->name);
diff --git a/drivers/media/pci/ddbridge/ddbridge-main.c b/drivers/media/pci/ddbridge/ddbridge-main.c
index 03dc9924f..bb7fb6402 100644
--- a/drivers/media/pci/ddbridge/ddbridge-main.c
+++ b/drivers/media/pci/ddbridge/ddbridge-main.c
@@ -247,7 +247,7 @@ fail:
ddb_unmap(dev);
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
- return -1;
+ return stat;
}
/****************************************************************************/
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c
index 336df65c8..01ca940ae 100644
--- a/drivers/media/pci/sta2x11/sta2x11_vip.c
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c
@@ -760,7 +760,7 @@ static const struct video_device video_dev_template = {
/**
* vip_irq - interrupt routine
* @irq: Number of interrupt ( not used, correct number is assumed )
- * @vip: local data structure containing all information
+ * @data: local data structure containing all information
*
* check for both frame interrupts set ( top and bottom ).
* check FIFO overflow, but limit number of log messages after open.
@@ -770,8 +770,9 @@ static const struct video_device video_dev_template = {
*
* IRQ_HANDLED, interrupt done.
*/
-static irqreturn_t vip_irq(int irq, struct sta2x11_vip *vip)
+static irqreturn_t vip_irq(int irq, void *data)
{
+ struct sta2x11_vip *vip = data;
unsigned int status;
status = reg_read(vip, DVP_ITS);
@@ -1053,9 +1054,7 @@ static int sta2x11_vip_init_one(struct pci_dev *pdev,
spin_lock_init(&vip->slock);
- ret = request_irq(pdev->irq,
- (irq_handler_t) vip_irq,
- IRQF_SHARED, KBUILD_MODNAME, vip);
+ ret = request_irq(pdev->irq, vip_irq, IRQF_SHARED, KBUILD_MODNAME, vip);
if (ret) {
dev_err(&pdev->dev, "request_irq failed\n");
ret = -ENODEV;
diff --git a/drivers/media/pci/ttpci/av7110_av.c b/drivers/media/pci/ttpci/av7110_av.c
index ea9f7d005..e201d5a56 100644
--- a/drivers/media/pci/ttpci/av7110_av.c
+++ b/drivers/media/pci/ttpci/av7110_av.c
@@ -822,10 +822,10 @@ static int write_ts_to_decoder(struct av7110 *av7110, int type, const u8 *buf, s
av7110_ipack_flush(ipack);
if (buf[3] & ADAPT_FIELD) {
+ if (buf[4] > len - 1 - 4)
+ return 0;
len -= buf[4] + 1;
buf += buf[4] + 1;
- if (!len)
- return 0;
}
av7110_ipack_instant_repack(buf + 4, len - 4, ipack);
diff --git a/drivers/media/pci/ttpci/budget-av.c b/drivers/media/pci/ttpci/budget-av.c
index 3cb83005c..519f85e0a 100644
--- a/drivers/media/pci/ttpci/budget-av.c
+++ b/drivers/media/pci/ttpci/budget-av.c
@@ -1462,7 +1462,8 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
budget_av->has_saa7113 = 1;
err = saa7146_vv_init(dev, &vv_data);
if (err != 0) {
- /* fixme: proper cleanup here */
+ ttpci_budget_deinit(&budget_av->budget);
+ kfree(budget_av);
ERR("cannot init vv subsystem\n");
return err;
}
@@ -1471,9 +1472,10 @@ static int budget_av_attach(struct saa7146_dev *dev, struct saa7146_pci_extensio
vv_data.vid_ops.vidioc_s_input = vidioc_s_input;
if ((err = saa7146_register_device(&budget_av->vd, dev, "knc1", VFL_TYPE_VIDEO))) {
- /* fixme: proper cleanup here */
- ERR("cannot register capture v4l2 device\n");
saa7146_vv_release(dev);
+ ttpci_budget_deinit(&budget_av->budget);
+ kfree(budget_av);
+ ERR("cannot register capture v4l2 device\n");
return err;
}
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 36109c324..3519c2252 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -977,13 +977,13 @@ static void mtk_jpeg_dec_device_run(void *priv)
if (ret < 0)
goto dec_end;
- schedule_delayed_work(&jpeg->job_timeout_work,
- msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
-
mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
if (mtk_jpeg_set_dec_dst(ctx, &jpeg_src_buf->dec_param, &dst_buf->vb2_buf, &fb))
goto dec_end;
+ schedule_delayed_work(&jpeg->job_timeout_work,
+ msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
+
spin_lock_irqsave(&jpeg->hw_lock, flags);
mtk_jpeg_dec_reset(jpeg->reg_base);
mtk_jpeg_dec_set_config(jpeg->reg_base,
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
index b065ccd06..378a1cba0 100644
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
+++ b/drivers/media/platform/mtk-mdp/mtk_mdp_vpu.c
@@ -26,7 +26,7 @@ static void mtk_mdp_vpu_handle_init_ack(const struct mdp_ipi_comm_ack *msg)
vpu->inst_addr = msg->vpu_inst_addr;
}
-static void mtk_mdp_vpu_ipi_handler(const void *data, unsigned int len,
+static void mtk_mdp_vpu_ipi_handler(void *data, unsigned int len,
void *priv)
{
const struct mdp_ipi_comm_ack *msg = data;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c
index cfc7ebed8..1ec29f1b1 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw_vpu.c
@@ -29,15 +29,7 @@ static int mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
mtk_vcodec_ipi_handler handler,
const char *name, void *priv)
{
- /*
- * The handler we receive takes a void * as its first argument. We
- * cannot change this because it needs to be passed down to the rproc
- * subsystem when SCP is used. VPU takes a const argument, which is
- * more constrained, so the conversion below is safe.
- */
- ipi_handler_t handler_const = (ipi_handler_t)handler;
-
- return vpu_ipi_register(fw->pdev, id, handler_const, name, priv);
+ return vpu_ipi_register(fw->pdev, id, handler, name, priv);
}
static int mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c
index e7c4b0dd5..a2f61d97f 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.c
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c
@@ -612,7 +612,7 @@ OUT_LOAD_FW:
}
EXPORT_SYMBOL_GPL(vpu_load_firmware);
-static void vpu_init_ipi_handler(const void *data, unsigned int len, void *priv)
+static void vpu_init_ipi_handler(void *data, unsigned int len, void *priv)
{
struct mtk_vpu *vpu = priv;
const struct vpu_run *run = data;
diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.h b/drivers/media/platform/mtk-vpu/mtk_vpu.h
index ee7c552ce..d4453b4bc 100644
--- a/drivers/media/platform/mtk-vpu/mtk_vpu.h
+++ b/drivers/media/platform/mtk-vpu/mtk_vpu.h
@@ -15,7 +15,7 @@
* VPU interfaces with other blocks by share memory and interrupt.
**/
-typedef void (*ipi_handler_t) (const void *data,
+typedef void (*ipi_handler_t) (void *data,
unsigned int len,
void *priv);
diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
index e3246344f..bcbbd1408 100644
--- a/drivers/media/platform/rockchip/rga/rga.c
+++ b/drivers/media/platform/rockchip/rga/rga.c
@@ -187,7 +187,7 @@ static int rga_setup_ctrls(struct rga_ctx *ctx)
static struct rga_fmt formats[] = {
{
.fourcc = V4L2_PIX_FMT_ARGB32,
- .color_swap = RGA_COLOR_RB_SWAP,
+ .color_swap = RGA_COLOR_ALPHA_SWAP,
.hw_format = RGA_COLOR_FMT_ABGR8888,
.depth = 32,
.uv_factor = 1,
@@ -195,17 +195,8 @@ static struct rga_fmt formats[] = {
.x_div = 1,
},
{
- .fourcc = V4L2_PIX_FMT_XRGB32,
- .color_swap = RGA_COLOR_RB_SWAP,
- .hw_format = RGA_COLOR_FMT_XBGR8888,
- .depth = 32,
- .uv_factor = 1,
- .y_div = 1,
- .x_div = 1,
- },
- {
.fourcc = V4L2_PIX_FMT_ABGR32,
- .color_swap = RGA_COLOR_ALPHA_SWAP,
+ .color_swap = RGA_COLOR_RB_SWAP,
.hw_format = RGA_COLOR_FMT_ABGR8888,
.depth = 32,
.uv_factor = 1,
@@ -214,7 +205,7 @@ static struct rga_fmt formats[] = {
},
{
.fourcc = V4L2_PIX_FMT_XBGR32,
- .color_swap = RGA_COLOR_ALPHA_SWAP,
+ .color_swap = RGA_COLOR_RB_SWAP,
.hw_format = RGA_COLOR_FMT_XBGR8888,
.depth = 32,
.uv_factor = 1,
diff --git a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
index 2c159483c..f0d2bcbe2 100644
--- a/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
+++ b/drivers/media/platform/sunxi/sun8i-di/sun8i-di.c
@@ -66,6 +66,7 @@ static void deinterlace_device_run(void *priv)
struct vb2_v4l2_buffer *src, *dst;
unsigned int hstep, vstep;
dma_addr_t addr;
+ int i;
src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
@@ -160,6 +161,26 @@ static void deinterlace_device_run(void *priv)
deinterlace_write(dev, DEINTERLACE_CH1_HORZ_FACT, hstep);
deinterlace_write(dev, DEINTERLACE_CH1_VERT_FACT, vstep);
+ /* neutral filter coefficients */
+ deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL,
+ DEINTERLACE_FRM_CTRL_COEF_ACCESS);
+ readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val,
+ val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40);
+
+ for (i = 0; i < 32; i++) {
+ deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4,
+ DEINTERLACE_IDENTITY_COEF);
+ }
+
+ deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL,
+ DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0);
+
deinterlace_clr_set_bits(dev, DEINTERLACE_FIELD_CTRL,
DEINTERLACE_FIELD_CTRL_FIELD_CNT_MSK,
DEINTERLACE_FIELD_CTRL_FIELD_CNT(ctx->field));
@@ -248,7 +269,6 @@ static irqreturn_t deinterlace_irq(int irq, void *data)
static void deinterlace_init(struct deinterlace_dev *dev)
{
u32 val;
- int i;
deinterlace_write(dev, DEINTERLACE_BYPASS,
DEINTERLACE_BYPASS_CSC);
@@ -284,27 +304,7 @@ static void deinterlace_init(struct deinterlace_dev *dev)
deinterlace_clr_set_bits(dev, DEINTERLACE_CHROMA_DIFF,
DEINTERLACE_CHROMA_DIFF_TH_MSK,
- DEINTERLACE_CHROMA_DIFF_TH(5));
-
- /* neutral filter coefficients */
- deinterlace_set_bits(dev, DEINTERLACE_FRM_CTRL,
- DEINTERLACE_FRM_CTRL_COEF_ACCESS);
- readl_poll_timeout(dev->base + DEINTERLACE_STATUS, val,
- val & DEINTERLACE_STATUS_COEF_STATUS, 2, 40);
-
- for (i = 0; i < 32; i++) {
- deinterlace_write(dev, DEINTERLACE_CH0_HORZ_COEF0 + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- deinterlace_write(dev, DEINTERLACE_CH0_VERT_COEF + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- deinterlace_write(dev, DEINTERLACE_CH1_HORZ_COEF0 + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- deinterlace_write(dev, DEINTERLACE_CH1_VERT_COEF + i * 4,
- DEINTERLACE_IDENTITY_COEF);
- }
-
- deinterlace_clr_set_bits(dev, DEINTERLACE_FRM_CTRL,
- DEINTERLACE_FRM_CTRL_COEF_ACCESS, 0);
+ DEINTERLACE_CHROMA_DIFF_TH(31));
}
static inline struct deinterlace_ctx *deinterlace_file2ctx(struct file *file)
@@ -937,11 +937,18 @@ static int deinterlace_runtime_resume(struct device *device)
return ret;
}
+ ret = reset_control_deassert(dev->rstc);
+ if (ret) {
+ dev_err(dev->dev, "Failed to apply reset\n");
+
+ goto err_exclusive_rate;
+ }
+
ret = clk_prepare_enable(dev->bus_clk);
if (ret) {
dev_err(dev->dev, "Failed to enable bus clock\n");
- goto err_exclusive_rate;
+ goto err_rst;
}
ret = clk_prepare_enable(dev->mod_clk);
@@ -958,23 +965,16 @@ static int deinterlace_runtime_resume(struct device *device)
goto err_mod_clk;
}
- ret = reset_control_deassert(dev->rstc);
- if (ret) {
- dev_err(dev->dev, "Failed to apply reset\n");
-
- goto err_ram_clk;
- }
-
deinterlace_init(dev);
return 0;
-err_ram_clk:
- clk_disable_unprepare(dev->ram_clk);
err_mod_clk:
clk_disable_unprepare(dev->mod_clk);
err_bus_clk:
clk_disable_unprepare(dev->bus_clk);
+err_rst:
+ reset_control_assert(dev->rstc);
err_exclusive_rate:
clk_rate_exclusive_put(dev->mod_clk);
@@ -985,11 +985,12 @@ static int deinterlace_runtime_suspend(struct device *device)
{
struct deinterlace_dev *dev = dev_get_drvdata(device);
- reset_control_assert(dev->rstc);
-
clk_disable_unprepare(dev->ram_clk);
clk_disable_unprepare(dev->mod_clk);
clk_disable_unprepare(dev->bus_clk);
+
+ reset_control_assert(dev->rstc);
+
clk_rate_exclusive_put(dev->mod_clk);
return 0;
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c
index afae0afe3..a8c55e4bf 100644
--- a/drivers/media/rc/bpf-lirc.c
+++ b/drivers/media/rc/bpf-lirc.c
@@ -249,7 +249,7 @@ int lirc_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog)
if (attr->attach_flags)
return -EINVAL;
- rcdev = rc_dev_get_from_fd(attr->target_fd);
+ rcdev = rc_dev_get_from_fd(attr->target_fd, true);
if (IS_ERR(rcdev))
return PTR_ERR(rcdev);
@@ -274,7 +274,7 @@ int lirc_prog_detach(const union bpf_attr *attr)
if (IS_ERR(prog))
return PTR_ERR(prog);
- rcdev = rc_dev_get_from_fd(attr->target_fd);
+ rcdev = rc_dev_get_from_fd(attr->target_fd, true);
if (IS_ERR(rcdev)) {
bpf_prog_put(prog);
return PTR_ERR(rcdev);
@@ -299,7 +299,7 @@ int lirc_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr)
if (attr->query.query_flags)
return -EINVAL;
- rcdev = rc_dev_get_from_fd(attr->query.target_fd);
+ rcdev = rc_dev_get_from_fd(attr->query.target_fd, false);
if (IS_ERR(rcdev))
return PTR_ERR(rcdev);
diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c
index 7f3942774..cd2fddf00 100644
--- a/drivers/media/rc/ir_toy.c
+++ b/drivers/media/rc/ir_toy.c
@@ -324,6 +324,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
sizeof(COMMAND_SMODE_EXIT), STATE_RESET);
if (err) {
dev_err(irtoy->dev, "exit sample mode: %d\n", err);
+ kfree(buf);
return err;
}
@@ -331,6 +332,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count)
sizeof(COMMAND_SMODE_ENTER), STATE_COMMAND);
if (err) {
dev_err(irtoy->dev, "enter sample mode: %d\n", err);
+ kfree(buf);
return err;
}
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index 9c888047f..14243ce03 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -826,7 +826,7 @@ void __exit lirc_dev_exit(void)
unregister_chrdev_region(lirc_base_dev, RC_DEV_MAX);
}
-struct rc_dev *rc_dev_get_from_fd(int fd)
+struct rc_dev *rc_dev_get_from_fd(int fd, bool write)
{
struct fd f = fdget(fd);
struct lirc_fh *fh;
@@ -840,6 +840,9 @@ struct rc_dev *rc_dev_get_from_fd(int fd)
return ERR_PTR(-EINVAL);
}
+ if (write && !(f.file->f_mode & FMODE_WRITE))
+ return ERR_PTR(-EPERM);
+
fh = f.file->private_data;
dev = fh->rc;
diff --git a/drivers/media/rc/rc-core-priv.h b/drivers/media/rc/rc-core-priv.h
index 62f032dff..dfe0352c0 100644
--- a/drivers/media/rc/rc-core-priv.h
+++ b/drivers/media/rc/rc-core-priv.h
@@ -325,7 +325,7 @@ void lirc_raw_event(struct rc_dev *dev, struct ir_raw_event ev);
void lirc_scancode_event(struct rc_dev *dev, struct lirc_scancode *lsc);
int lirc_register(struct rc_dev *dev);
void lirc_unregister(struct rc_dev *dev);
-struct rc_dev *rc_dev_get_from_fd(int fd);
+struct rc_dev *rc_dev_get_from_fd(int fd, bool write);
#else
static inline int lirc_dev_init(void) { return 0; }
static inline void lirc_dev_exit(void) {}
diff --git a/drivers/media/tuners/xc4000.c b/drivers/media/tuners/xc4000.c
index ef9af0520..849df4d1c 100644
--- a/drivers/media/tuners/xc4000.c
+++ b/drivers/media/tuners/xc4000.c
@@ -1517,10 +1517,10 @@ static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq)
{
struct xc4000_priv *priv = fe->tuner_priv;
+ mutex_lock(&priv->lock);
*freq = priv->freq_hz + priv->freq_offset;
if (debug) {
- mutex_lock(&priv->lock);
if ((priv->cur_fw.type
& (BASE | FM | DTV6 | DTV7 | DTV78 | DTV8)) == BASE) {
u16 snr = 0;
@@ -1531,8 +1531,8 @@ static int xc4000_get_frequency(struct dvb_frontend *fe, u32 *freq)
return 0;
}
}
- mutex_unlock(&priv->lock);
}
+ mutex_unlock(&priv->lock);
dprintk(1, "%s()\n", __func__);
diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c
index 26408a972..5deee8313 100644
--- a/drivers/media/usb/em28xx/em28xx-cards.c
+++ b/drivers/media/usb/em28xx/em28xx-cards.c
@@ -4049,6 +4049,10 @@ static int em28xx_usb_probe(struct usb_interface *intf,
* topology will likely change after the load of the em28xx subdrivers.
*/
#ifdef CONFIG_MEDIA_CONTROLLER
+ /*
+ * No need to check the return value, the device will still be
+ * usable without media controller API.
+ */
retval = media_device_register(dev->media_dev);
#endif
diff --git a/drivers/media/usb/go7007/go7007-driver.c b/drivers/media/usb/go7007/go7007-driver.c
index 6650eab91..3c66542ce 100644
--- a/drivers/media/usb/go7007/go7007-driver.c
+++ b/drivers/media/usb/go7007/go7007-driver.c
@@ -80,7 +80,7 @@ static int go7007_load_encoder(struct go7007 *go)
const struct firmware *fw_entry;
char fw_name[] = "go7007/go7007fw.bin";
void *bounce;
- int fw_len, rv = 0;
+ int fw_len;
u16 intr_val, intr_data;
if (go->boot_fw == NULL) {
@@ -109,9 +109,11 @@ static int go7007_load_encoder(struct go7007 *go)
go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
(intr_val & ~0x1) != 0x5a5a) {
v4l2_err(go, "error transferring firmware\n");
- rv = -1;
+ kfree(go->boot_fw);
+ go->boot_fw = NULL;
+ return -1;
}
- return rv;
+ return 0;
}
MODULE_FIRMWARE("go7007/go7007fw.bin");
diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
index eeb85981e..762c13e49 100644
--- a/drivers/media/usb/go7007/go7007-usb.c
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -1201,7 +1201,9 @@ static int go7007_usb_probe(struct usb_interface *intf,
u16 channel;
/* read channel number from GPIO[1:0] */
- go7007_read_addr(go, 0x3c81, &channel);
+ if (go7007_read_addr(go, 0x3c81, &channel))
+ goto allocfail;
+
channel &= 0x3;
go->board_id = GO7007_BOARDID_ADLINK_MPG24;
usb->board = board = &board_adlink_mpg24;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c
index 1764674de..73c95ba23 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c
@@ -90,8 +90,10 @@ static void pvr2_context_destroy(struct pvr2_context *mp)
}
-static void pvr2_context_notify(struct pvr2_context *mp)
+static void pvr2_context_notify(void *ptr)
{
+ struct pvr2_context *mp = ptr;
+
pvr2_context_set_notify(mp,!0);
}
@@ -106,9 +108,7 @@ static void pvr2_context_check(struct pvr2_context *mp)
pvr2_trace(PVR2_TRACE_CTXT,
"pvr2_context %p (initialize)", mp);
/* Finish hardware initialization */
- if (pvr2_hdw_initialize(mp->hdw,
- (void (*)(void *))pvr2_context_notify,
- mp)) {
+ if (pvr2_hdw_initialize(mp->hdw, pvr2_context_notify, mp)) {
mp->video_stream.stream =
pvr2_hdw_get_video_stream(mp->hdw);
/* Trigger interface initialization. By doing this
@@ -267,9 +267,9 @@ static void pvr2_context_exit(struct pvr2_context *mp)
void pvr2_context_disconnect(struct pvr2_context *mp)
{
pvr2_hdw_disconnect(mp->hdw);
- mp->disconnect_flag = !0;
if (!pvr2_context_shutok())
pvr2_context_notify(mp);
+ mp->disconnect_flag = !0;
}
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c
index 695458452..1b768e746 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c
@@ -88,8 +88,10 @@ static int pvr2_dvb_feed_thread(void *data)
return stat;
}
-static void pvr2_dvb_notify(struct pvr2_dvb_adapter *adap)
+static void pvr2_dvb_notify(void *ptr)
{
+ struct pvr2_dvb_adapter *adap = ptr;
+
wake_up(&adap->buffer_wait_data);
}
@@ -149,7 +151,7 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap)
}
pvr2_stream_set_callback(pvr->video_stream.stream,
- (pvr2_stream_callback) pvr2_dvb_notify, adap);
+ pvr2_dvb_notify, adap);
ret = pvr2_stream_set_buffer_count(stream, PVR2_DVB_BUFFER_COUNT);
if (ret < 0) return ret;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index 9657c1883..29f2e767f 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -1037,8 +1037,10 @@ static int pvr2_v4l2_open(struct file *file)
}
-static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp)
+static void pvr2_v4l2_notify(void *ptr)
{
+ struct pvr2_v4l2_fh *fhp = ptr;
+
wake_up(&fhp->wait_data);
}
@@ -1071,7 +1073,7 @@ static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh)
hdw = fh->channel.mc_head->hdw;
sp = fh->pdi->stream->stream;
- pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh);
+ pvr2_stream_set_callback(sp, pvr2_v4l2_notify, fh);
pvr2_hdw_set_stream_type(hdw,fh->pdi->config);
if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret;
return pvr2_ioread_set_enabled(fh->rhp,!0);
@@ -1202,11 +1204,6 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
dip->minor_type = pvr2_v4l_type_video;
nr_ptr = video_nr;
caps |= V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_AUDIO;
- if (!dip->stream) {
- pr_err(KBUILD_MODNAME
- ": Failed to set up pvrusb2 v4l video dev due to missing stream instance\n");
- return;
- }
break;
case VFL_TYPE_VBI:
dip->config = pvr2_config_vbi;
diff --git a/drivers/media/usb/stk1160/stk1160-video.c b/drivers/media/usb/stk1160/stk1160-video.c
index 202b084f6..4cf540d1b 100644
--- a/drivers/media/usb/stk1160/stk1160-video.c
+++ b/drivers/media/usb/stk1160/stk1160-video.c
@@ -107,8 +107,7 @@ void stk1160_copy_video(struct stk1160 *dev, u8 *src, int len)
/*
* TODO: These stk1160_dbg are very spammy!
- * We should 1) check why we are getting them
- * and 2) add ratelimit.
+ * We should check why we are getting them.
*
* UPDATE: One of the reasons (the only one?) for getting these
* is incorrect standard (mismatch between expected and configured).
@@ -151,7 +150,7 @@ void stk1160_copy_video(struct stk1160 *dev, u8 *src, int len)
/* Let the bug hunt begin! sanity checks! */
if (lencopy < 0) {
- stk1160_dbg("copy skipped: negative lencopy\n");
+ printk_ratelimited(KERN_DEBUG "copy skipped: negative lencopy\n");
return;
}
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index ad14d5214..56d320b1a 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -1053,11 +1053,17 @@ static int v4l2_m2m_register_entity(struct media_device *mdev,
entity->function = function;
ret = media_entity_pads_init(entity, num_pads, pads);
- if (ret)
+ if (ret) {
+ kfree(entity->name);
+ entity->name = NULL;
return ret;
+ }
ret = media_device_register_entity(mdev, entity);
- if (ret)
+ if (ret) {
+ kfree(entity->name);
+ entity->name = NULL;
return ret;
+ }
return 0;
}
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b8847ae04..c5c6608cc 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1382,6 +1382,7 @@ config MFD_DAVINCI_VOICECODEC
config MFD_TI_AM335X_TSCADC
tristate "TI ADC / Touch Screen chip support"
+ depends on ARCH_OMAP2PLUS || ARCH_K3 || COMPILE_TEST
select MFD_CORE
select REGMAP
select REGMAP_MMIO
diff --git a/drivers/mfd/altera-sysmgr.c b/drivers/mfd/altera-sysmgr.c
index 591b300d9..59efe7d5d 100644
--- a/drivers/mfd/altera-sysmgr.c
+++ b/drivers/mfd/altera-sysmgr.c
@@ -110,7 +110,9 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
dev = driver_find_device_by_of_node(&altr_sysmgr_driver.driver,
(void *)sysmgr_np);
- of_node_put(sysmgr_np);
+ if (property)
+ of_node_put(sysmgr_np);
+
if (!dev)
return ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 60f74144a..4d536a097 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -224,7 +224,9 @@ struct regmap *syscon_regmap_lookup_by_phandle(struct device_node *np,
return ERR_PTR(-ENODEV);
regmap = syscon_node_to_regmap(syscon_np);
- of_node_put(syscon_np);
+
+ if (property)
+ of_node_put(syscon_np);
return regmap;
}
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 9822efdc6..af050cfdc 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -1592,7 +1592,7 @@ static int fastrpc_cb_remove(struct platform_device *pdev)
int i;
spin_lock_irqsave(&cctx->lock, flags);
- for (i = 1; i < FASTRPC_MAX_SESSIONS; i++) {
+ for (i = 0; i < FASTRPC_MAX_SESSIONS; i++) {
if (cctx->session[i].sid == sess->sid) {
cctx->session[i].valid = false;
cctx->sesscount--;
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index eabbdf17b..28acedb10 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -112,6 +112,8 @@
#define MEI_DEV_ID_RPL_S 0x7A68 /* Raptor Lake Point S */
#define MEI_DEV_ID_MTL_M 0x7E70 /* Meteor Lake Point M */
+#define MEI_DEV_ID_ARL_S 0x7F68 /* Arrow Lake Point S */
+#define MEI_DEV_ID_ARL_H 0x7770 /* Arrow Lake Point H */
/*
* MEI HW Section
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index f2765d6b8..2809338a5 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -115,9 +115,11 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_P, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_N, MEI_ME_PCH15_CFG)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_ARL_H, MEI_ME_PCH15_CFG)},
/* required last entry */
{0, }
diff --git a/drivers/misc/vmw_vmci/vmci_datagram.c b/drivers/misc/vmw_vmci/vmci_datagram.c
index f50d22882..a0ad1f3a6 100644
--- a/drivers/misc/vmw_vmci/vmci_datagram.c
+++ b/drivers/misc/vmw_vmci/vmci_datagram.c
@@ -234,7 +234,8 @@ static int dg_dispatch_as_host(u32 context_id, struct vmci_datagram *dg)
dg_info->in_dg_host_queue = true;
dg_info->entry = dst_entry;
- memcpy(&dg_info->msg, dg, dg_size);
+ dg_info->msg = *dg;
+ memcpy(&dg_info->msg_payload, dg + 1, dg->payload_size);
INIT_WORK(&dg_info->work, dg_delayed_dispatch);
schedule_work(&dg_info->work);
@@ -377,7 +378,8 @@ int vmci_datagram_invoke_guest_handler(struct vmci_datagram *dg)
dg_info->in_dg_host_queue = false;
dg_info->entry = dst_entry;
- memcpy(&dg_info->msg, dg, VMCI_DG_SIZE(dg));
+ dg_info->msg = *dg;
+ memcpy(&dg_info->msg_payload, dg + 1, dg->payload_size);
INIT_WORK(&dg_info->work, dg_delayed_dispatch);
schedule_work(&dg_info->work);
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 8d842ff24..71ecdb134 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -346,6 +346,10 @@ struct mmc_blk_ioc_data {
struct mmc_ioc_cmd ic;
unsigned char *buf;
u64 buf_bytes;
+ unsigned int flags;
+#define MMC_BLK_IOC_DROP BIT(0) /* drop this mrq */
+#define MMC_BLK_IOC_SBC BIT(1) /* use mrq.sbc */
+
struct mmc_rpmb_data *rpmb;
};
@@ -355,7 +359,7 @@ static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user(
struct mmc_blk_ioc_data *idata;
int err;
- idata = kmalloc(sizeof(*idata), GFP_KERNEL);
+ idata = kzalloc(sizeof(*idata), GFP_KERNEL);
if (!idata) {
err = -ENOMEM;
goto out;
@@ -447,7 +451,7 @@ static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
}
static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
- struct mmc_blk_ioc_data *idata)
+ struct mmc_blk_ioc_data **idatas, int i)
{
struct mmc_command cmd = {}, sbc = {};
struct mmc_data data = {};
@@ -455,10 +459,18 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
struct scatterlist sg;
int err;
unsigned int target_part;
+ struct mmc_blk_ioc_data *idata = idatas[i];
+ struct mmc_blk_ioc_data *prev_idata = NULL;
if (!card || !md || !idata)
return -EINVAL;
+ if (idata->flags & MMC_BLK_IOC_DROP)
+ return 0;
+
+ if (idata->flags & MMC_BLK_IOC_SBC && i > 0)
+ prev_idata = idatas[i - 1];
+
/*
* The RPMB accesses comes in from the character device, so we
* need to target these explicitly. Else we just target the
@@ -525,7 +537,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
return err;
}
- if (idata->rpmb) {
+ if (idata->rpmb || prev_idata) {
sbc.opcode = MMC_SET_BLOCK_COUNT;
/*
* We don't do any blockcount validation because the max size
@@ -533,6 +545,8 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
* 'Reliable Write' bit here.
*/
sbc.arg = data.blocks | (idata->ic.write_flag & BIT(31));
+ if (prev_idata)
+ sbc.arg = prev_idata->ic.arg;
sbc.flags = MMC_RSP_R1 | MMC_CMD_AC;
mrq.sbc = &sbc;
}
@@ -544,6 +558,15 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
mmc_wait_for_req(card->host, &mrq);
memcpy(&idata->ic.response, cmd.resp, sizeof(cmd.resp));
+ if (prev_idata) {
+ memcpy(&prev_idata->ic.response, sbc.resp, sizeof(sbc.resp));
+ if (sbc.error) {
+ dev_err(mmc_dev(card->host), "%s: sbc error %d\n",
+ __func__, sbc.error);
+ return sbc.error;
+ }
+ }
+
if (cmd.error) {
dev_err(mmc_dev(card->host), "%s: cmd error %d\n",
__func__, cmd.error);
@@ -800,10 +823,11 @@ static const struct block_device_operations mmc_bdops = {
static int mmc_blk_part_switch_pre(struct mmc_card *card,
unsigned int part_type)
{
- const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB;
+ const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_MASK;
+ const unsigned int rpmb = EXT_CSD_PART_CONFIG_ACC_RPMB;
int ret = 0;
- if ((part_type & mask) == mask) {
+ if ((part_type & mask) == rpmb) {
if (card->ext_csd.cmdq_en) {
ret = mmc_cmdq_disable(card);
if (ret)
@@ -818,10 +842,11 @@ static int mmc_blk_part_switch_pre(struct mmc_card *card,
static int mmc_blk_part_switch_post(struct mmc_card *card,
unsigned int part_type)
{
- const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_RPMB;
+ const unsigned int mask = EXT_CSD_PART_CONFIG_ACC_MASK;
+ const unsigned int rpmb = EXT_CSD_PART_CONFIG_ACC_RPMB;
int ret = 0;
- if ((part_type & mask) == mask) {
+ if ((part_type & mask) == rpmb) {
mmc_retune_unpause(card->host);
if (card->reenable_cmdq && !card->ext_csd.cmdq_en)
ret = mmc_cmdq_enable(card);
@@ -985,6 +1010,20 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
md->reset_done &= ~type;
}
+static void mmc_blk_check_sbc(struct mmc_queue_req *mq_rq)
+{
+ struct mmc_blk_ioc_data **idata = mq_rq->drv_op_data;
+ int i;
+
+ for (i = 1; i < mq_rq->ioc_count; i++) {
+ if (idata[i - 1]->ic.opcode == MMC_SET_BLOCK_COUNT &&
+ mmc_op_multi(idata[i]->ic.opcode)) {
+ idata[i - 1]->flags |= MMC_BLK_IOC_DROP;
+ idata[i]->flags |= MMC_BLK_IOC_SBC;
+ }
+ }
+}
+
/*
* The non-block commands come back from the block layer after it queued it and
* processed it with all other requests and then they get issued in this
@@ -1012,11 +1051,14 @@ static void mmc_blk_issue_drv_op(struct mmc_queue *mq, struct request *req)
if (ret)
break;
}
+
+ mmc_blk_check_sbc(mq_rq);
+
fallthrough;
case MMC_DRV_OP_IOCTL_RPMB:
idata = mq_rq->drv_op_data;
for (i = 0, ret = 0; i < mq_rq->ioc_count; i++) {
- ret = __mmc_blk_ioctl_cmd(card, md, idata[i]);
+ ret = __mmc_blk_ioctl_cmd(card, md, idata, i);
if (ret)
break;
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 87807ef01..2059cd226 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -997,10 +997,12 @@ static int mmc_select_bus_width(struct mmc_card *card)
static unsigned ext_csd_bits[] = {
EXT_CSD_BUS_WIDTH_8,
EXT_CSD_BUS_WIDTH_4,
+ EXT_CSD_BUS_WIDTH_1,
};
static unsigned bus_widths[] = {
MMC_BUS_WIDTH_8,
MMC_BUS_WIDTH_4,
+ MMC_BUS_WIDTH_1,
};
struct mmc_host *host = card->host;
unsigned idx, bus_width = 0;
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 05e907451..681653d09 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -62,11 +62,15 @@ int mmc_gpio_alloc(struct mmc_host *host)
int mmc_gpio_get_ro(struct mmc_host *host)
{
struct mmc_gpio *ctx = host->slot.handler_priv;
+ int cansleep;
if (!ctx || !ctx->ro_gpio)
return -ENOSYS;
- return gpiod_get_value_cansleep(ctx->ro_gpio);
+ cansleep = gpiod_cansleep(ctx->ro_gpio);
+ return cansleep ?
+ gpiod_get_value_cansleep(ctx->ro_gpio) :
+ gpiod_get_value(ctx->ro_gpio);
}
EXPORT_SYMBOL(mmc_gpio_get_ro);
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 1d814919e..a1fb5d0e9 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -15,7 +15,7 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/bio.h>
-#include <linux/dma-mapping.h>
+#include <linux/dma-direction.h>
#include <linux/crc7.h>
#include <linux/crc-itu-t.h>
#include <linux/scatterlist.h>
@@ -119,19 +119,14 @@ struct mmc_spi_host {
struct spi_transfer status;
struct spi_message readback;
- /* underlying DMA-aware controller, or null */
- struct device *dma_dev;
-
/* buffer used for commands and for message "overhead" */
struct scratch *data;
- dma_addr_t data_dma;
/* Specs say to write ones most of the time, even when the card
* has no need to read its input data; and many cards won't care.
* This is our source of those ones.
*/
void *ones;
- dma_addr_t ones_dma;
};
@@ -147,11 +142,8 @@ static inline int mmc_cs_off(struct mmc_spi_host *host)
return spi_setup(host->spi);
}
-static int
-mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)
+static int mmc_spi_readbytes(struct mmc_spi_host *host, unsigned int len)
{
- int status;
-
if (len > sizeof(*host->data)) {
WARN_ON(1);
return -EIO;
@@ -159,19 +151,7 @@ mmc_spi_readbytes(struct mmc_spi_host *host, unsigned len)
host->status.len = len;
- if (host->dma_dev)
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_FROM_DEVICE);
-
- status = spi_sync_locked(host->spi, &host->readback);
-
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_FROM_DEVICE);
-
- return status;
+ return spi_sync_locked(host->spi, &host->readback);
}
static int mmc_spi_skip(struct mmc_spi_host *host, unsigned long timeout,
@@ -513,23 +493,11 @@ mmc_spi_command_send(struct mmc_spi_host *host,
t = &host->t;
memset(t, 0, sizeof(*t));
t->tx_buf = t->rx_buf = data->status;
- t->tx_dma = t->rx_dma = host->data_dma;
t->len = cp - data->status;
t->cs_change = 1;
spi_message_add_tail(t, &host->m);
- if (host->dma_dev) {
- host->m.is_dma_mapped = 1;
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
- }
status = spi_sync_locked(host->spi, &host->m);
-
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
if (status < 0) {
dev_dbg(&host->spi->dev, " ... write returned %d\n", status);
cmd->error = status;
@@ -547,9 +515,6 @@ mmc_spi_command_send(struct mmc_spi_host *host,
* We always provide TX data for data and CRC. The MMC/SD protocol
* requires us to write ones; but Linux defaults to writing zeroes;
* so we explicitly initialize it to all ones on RX paths.
- *
- * We also handle DMA mapping, so the underlying SPI controller does
- * not need to (re)do it for each message.
*/
static void
mmc_spi_setup_data_message(
@@ -559,11 +524,8 @@ mmc_spi_setup_data_message(
{
struct spi_transfer *t;
struct scratch *scratch = host->data;
- dma_addr_t dma = host->data_dma;
spi_message_init(&host->m);
- if (dma)
- host->m.is_dma_mapped = 1;
/* for reads, readblock() skips 0xff bytes before finding
* the token; for writes, this transfer issues that token.
@@ -577,8 +539,6 @@ mmc_spi_setup_data_message(
else
scratch->data_token = SPI_TOKEN_SINGLE;
t->tx_buf = &scratch->data_token;
- if (dma)
- t->tx_dma = dma + offsetof(struct scratch, data_token);
spi_message_add_tail(t, &host->m);
}
@@ -588,7 +548,6 @@ mmc_spi_setup_data_message(
t = &host->t;
memset(t, 0, sizeof(*t));
t->tx_buf = host->ones;
- t->tx_dma = host->ones_dma;
/* length and actual buffer info are written later */
spi_message_add_tail(t, &host->m);
@@ -598,14 +557,9 @@ mmc_spi_setup_data_message(
if (direction == DMA_TO_DEVICE) {
/* the actual CRC may get written later */
t->tx_buf = &scratch->crc_val;
- if (dma)
- t->tx_dma = dma + offsetof(struct scratch, crc_val);
} else {
t->tx_buf = host->ones;
- t->tx_dma = host->ones_dma;
t->rx_buf = &scratch->crc_val;
- if (dma)
- t->rx_dma = dma + offsetof(struct scratch, crc_val);
}
spi_message_add_tail(t, &host->m);
@@ -628,10 +582,7 @@ mmc_spi_setup_data_message(
memset(t, 0, sizeof(*t));
t->len = (direction == DMA_TO_DEVICE) ? sizeof(scratch->status) : 1;
t->tx_buf = host->ones;
- t->tx_dma = host->ones_dma;
t->rx_buf = scratch->status;
- if (dma)
- t->rx_dma = dma + offsetof(struct scratch, status);
t->cs_change = 1;
spi_message_add_tail(t, &host->m);
}
@@ -660,23 +611,13 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
if (host->mmc->use_spi_crc)
scratch->crc_val = cpu_to_be16(crc_itu_t(0, t->tx_buf, t->len));
- if (host->dma_dev)
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
status = spi_sync_locked(spi, &host->m);
-
if (status != 0) {
dev_dbg(&spi->dev, "write error (%d)\n", status);
return status;
}
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
-
/*
* Get the transmission data-response reply. It must follow
* immediately after the data block we transferred. This reply
@@ -725,8 +666,6 @@ mmc_spi_writeblock(struct mmc_spi_host *host, struct spi_transfer *t,
}
t->tx_buf += t->len;
- if (host->dma_dev)
- t->tx_dma += t->len;
/* Return when not busy. If we didn't collect that status yet,
* we'll need some more I/O.
@@ -790,30 +729,12 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
}
leftover = status << 1;
- if (host->dma_dev) {
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
- dma_sync_single_for_device(host->dma_dev,
- t->rx_dma, t->len,
- DMA_FROM_DEVICE);
- }
-
status = spi_sync_locked(spi, &host->m);
if (status < 0) {
dev_dbg(&spi->dev, "read error %d\n", status);
return status;
}
- if (host->dma_dev) {
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
- dma_sync_single_for_cpu(host->dma_dev,
- t->rx_dma, t->len,
- DMA_FROM_DEVICE);
- }
-
if (bitshift) {
/* Walk through the data and the crc and do
* all the magic to get byte-aligned data.
@@ -848,8 +769,6 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
}
t->rx_buf += t->len;
- if (host->dma_dev)
- t->rx_dma += t->len;
return 0;
}
@@ -864,7 +783,6 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
struct mmc_data *data, u32 blk_size)
{
struct spi_device *spi = host->spi;
- struct device *dma_dev = host->dma_dev;
struct spi_transfer *t;
enum dma_data_direction direction;
struct scatterlist *sg;
@@ -891,31 +809,8 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
*/
for_each_sg(data->sg, sg, data->sg_len, n_sg) {
int status = 0;
- dma_addr_t dma_addr = 0;
void *kmap_addr;
unsigned length = sg->length;
- enum dma_data_direction dir = direction;
-
- /* set up dma mapping for controller drivers that might
- * use DMA ... though they may fall back to PIO
- */
- if (dma_dev) {
- /* never invalidate whole *shared* pages ... */
- if ((sg->offset != 0 || length != PAGE_SIZE)
- && dir == DMA_FROM_DEVICE)
- dir = DMA_BIDIRECTIONAL;
-
- dma_addr = dma_map_page(dma_dev, sg_page(sg), 0,
- PAGE_SIZE, dir);
- if (dma_mapping_error(dma_dev, dma_addr)) {
- data->error = -EFAULT;
- break;
- }
- if (direction == DMA_TO_DEVICE)
- t->tx_dma = dma_addr + sg->offset;
- else
- t->rx_dma = dma_addr + sg->offset;
- }
/* allow pio too; we don't allow highmem */
kmap_addr = kmap(sg_page(sg));
@@ -951,8 +846,6 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
if (direction == DMA_FROM_DEVICE)
flush_kernel_dcache_page(sg_page(sg));
kunmap(sg_page(sg));
- if (dma_dev)
- dma_unmap_page(dma_dev, dma_addr, PAGE_SIZE, dir);
if (status < 0) {
data->error = status;
@@ -989,21 +882,9 @@ mmc_spi_data_do(struct mmc_spi_host *host, struct mmc_command *cmd,
scratch->status[0] = SPI_TOKEN_STOP_TRAN;
host->early_status.tx_buf = host->early_status.rx_buf;
- host->early_status.tx_dma = host->early_status.rx_dma;
host->early_status.len = statlen;
- if (host->dma_dev)
- dma_sync_single_for_device(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
-
tmp = spi_sync_locked(spi, &host->m);
-
- if (host->dma_dev)
- dma_sync_single_for_cpu(host->dma_dev,
- host->data_dma, sizeof(*scratch),
- DMA_BIDIRECTIONAL);
-
if (tmp < 0) {
if (!data->error)
data->error = tmp;
@@ -1278,52 +1159,6 @@ mmc_spi_detect_irq(int irq, void *mmc)
return IRQ_HANDLED;
}
-#ifdef CONFIG_HAS_DMA
-static int mmc_spi_dma_alloc(struct mmc_spi_host *host)
-{
- struct spi_device *spi = host->spi;
- struct device *dev;
-
- if (!spi->master->dev.parent->dma_mask)
- return 0;
-
- dev = spi->master->dev.parent;
-
- host->ones_dma = dma_map_single(dev, host->ones, MMC_SPI_BLOCKSIZE,
- DMA_TO_DEVICE);
- if (dma_mapping_error(dev, host->ones_dma))
- return -ENOMEM;
-
- host->data_dma = dma_map_single(dev, host->data, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
- if (dma_mapping_error(dev, host->data_dma)) {
- dma_unmap_single(dev, host->ones_dma, MMC_SPI_BLOCKSIZE,
- DMA_TO_DEVICE);
- return -ENOMEM;
- }
-
- dma_sync_single_for_cpu(dev, host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
-
- host->dma_dev = dev;
- return 0;
-}
-
-static void mmc_spi_dma_free(struct mmc_spi_host *host)
-{
- if (!host->dma_dev)
- return;
-
- dma_unmap_single(host->dma_dev, host->ones_dma, MMC_SPI_BLOCKSIZE,
- DMA_TO_DEVICE);
- dma_unmap_single(host->dma_dev, host->data_dma, sizeof(*host->data),
- DMA_BIDIRECTIONAL);
-}
-#else
-static inline int mmc_spi_dma_alloc(struct mmc_spi_host *host) { return 0; }
-static inline void mmc_spi_dma_free(struct mmc_spi_host *host) {}
-#endif
-
static int mmc_spi_probe(struct spi_device *spi)
{
void *ones;
@@ -1415,24 +1250,17 @@ static int mmc_spi_probe(struct spi_device *spi)
dev_set_drvdata(&spi->dev, mmc);
- /* preallocate dma buffers */
+ /* Preallocate buffers */
host->data = kmalloc(sizeof(*host->data), GFP_KERNEL);
if (!host->data)
goto fail_nobuf1;
- status = mmc_spi_dma_alloc(host);
- if (status)
- goto fail_dma;
-
/* setup message for status/busy readback */
spi_message_init(&host->readback);
- host->readback.is_dma_mapped = (host->dma_dev != NULL);
spi_message_add_tail(&host->status, &host->readback);
host->status.tx_buf = host->ones;
- host->status.tx_dma = host->ones_dma;
host->status.rx_buf = &host->data->status;
- host->status.rx_dma = host->data_dma + offsetof(struct scratch, status);
host->status.cs_change = 1;
/* register card detect irq */
@@ -1477,9 +1305,8 @@ static int mmc_spi_probe(struct spi_device *spi)
if (!status)
has_ro = true;
- dev_info(&spi->dev, "SD/MMC host %s%s%s%s%s\n",
+ dev_info(&spi->dev, "SD/MMC host %s%s%s%s\n",
dev_name(&mmc->class_dev),
- host->dma_dev ? "" : ", no DMA",
has_ro ? "" : ", no WP",
(host->pdata && host->pdata->setpower)
? "" : ", no poweroff",
@@ -1490,8 +1317,6 @@ static int mmc_spi_probe(struct spi_device *spi)
fail_gpiod_request:
mmc_remove_host(mmc);
fail_glue_init:
- mmc_spi_dma_free(host);
-fail_dma:
kfree(host->data);
fail_nobuf1:
mmc_free_host(mmc);
@@ -1513,7 +1338,6 @@ static int mmc_spi_remove(struct spi_device *spi)
mmc_remove_host(mmc);
- mmc_spi_dma_free(host);
kfree(host->data);
kfree(host->ones);
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
index 4cceb9bab..e3201a621 100644
--- a/drivers/mmc/host/mmci_stm32_sdmmc.c
+++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
@@ -43,6 +43,9 @@ struct sdmmc_lli_desc {
struct sdmmc_idma {
dma_addr_t sg_dma;
void *sg_cpu;
+ dma_addr_t bounce_dma_addr;
+ void *bounce_buf;
+ bool use_bounce_buffer;
};
struct sdmmc_dlyb {
@@ -54,6 +57,8 @@ struct sdmmc_dlyb {
static int sdmmc_idma_validate_data(struct mmci_host *host,
struct mmc_data *data)
{
+ struct sdmmc_idma *idma = host->dma_priv;
+ struct device *dev = mmc_dev(host->mmc);
struct scatterlist *sg;
int i;
@@ -61,41 +66,69 @@ static int sdmmc_idma_validate_data(struct mmci_host *host,
* idma has constraints on idmabase & idmasize for each element
* excepted the last element which has no constraint on idmasize
*/
+ idma->use_bounce_buffer = false;
for_each_sg(data->sg, sg, data->sg_len - 1, i) {
if (!IS_ALIGNED(sg->offset, sizeof(u32)) ||
!IS_ALIGNED(sg->length, SDMMC_IDMA_BURST)) {
- dev_err(mmc_dev(host->mmc),
+ dev_dbg(mmc_dev(host->mmc),
"unaligned scatterlist: ofst:%x length:%d\n",
data->sg->offset, data->sg->length);
- return -EINVAL;
+ goto use_bounce_buffer;
}
}
if (!IS_ALIGNED(sg->offset, sizeof(u32))) {
- dev_err(mmc_dev(host->mmc),
+ dev_dbg(mmc_dev(host->mmc),
"unaligned last scatterlist: ofst:%x length:%d\n",
data->sg->offset, data->sg->length);
- return -EINVAL;
+ goto use_bounce_buffer;
}
return 0;
+
+use_bounce_buffer:
+ if (!idma->bounce_buf) {
+ idma->bounce_buf = dmam_alloc_coherent(dev,
+ host->mmc->max_req_size,
+ &idma->bounce_dma_addr,
+ GFP_KERNEL);
+ if (!idma->bounce_buf) {
+ dev_err(dev, "Unable to map allocate DMA bounce buffer.\n");
+ return -ENOMEM;
+ }
+ }
+
+ idma->use_bounce_buffer = true;
+
+ return 0;
}
static int _sdmmc_idma_prep_data(struct mmci_host *host,
struct mmc_data *data)
{
- int n_elem;
+ struct sdmmc_idma *idma = host->dma_priv;
- n_elem = dma_map_sg(mmc_dev(host->mmc),
- data->sg,
- data->sg_len,
- mmc_get_dma_dir(data));
+ if (idma->use_bounce_buffer) {
+ if (data->flags & MMC_DATA_WRITE) {
+ unsigned int xfer_bytes = data->blksz * data->blocks;
- if (!n_elem) {
- dev_err(mmc_dev(host->mmc), "dma_map_sg failed\n");
- return -EINVAL;
- }
+ sg_copy_to_buffer(data->sg, data->sg_len,
+ idma->bounce_buf, xfer_bytes);
+ dma_wmb();
+ }
+ } else {
+ int n_elem;
+ n_elem = dma_map_sg(mmc_dev(host->mmc),
+ data->sg,
+ data->sg_len,
+ mmc_get_dma_dir(data));
+
+ if (!n_elem) {
+ dev_err(mmc_dev(host->mmc), "dma_map_sg failed\n");
+ return -EINVAL;
+ }
+ }
return 0;
}
@@ -112,8 +145,19 @@ static int sdmmc_idma_prep_data(struct mmci_host *host,
static void sdmmc_idma_unprep_data(struct mmci_host *host,
struct mmc_data *data, int err)
{
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- mmc_get_dma_dir(data));
+ struct sdmmc_idma *idma = host->dma_priv;
+
+ if (idma->use_bounce_buffer) {
+ if (data->flags & MMC_DATA_READ) {
+ unsigned int xfer_bytes = data->blksz * data->blocks;
+
+ sg_copy_from_buffer(data->sg, data->sg_len,
+ idma->bounce_buf, xfer_bytes);
+ }
+ } else {
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
+ }
}
static int sdmmc_idma_setup(struct mmci_host *host)
@@ -137,6 +181,8 @@ static int sdmmc_idma_setup(struct mmci_host *host)
host->mmc->max_segs = SDMMC_LLI_BUF_LEN /
sizeof(struct sdmmc_lli_desc);
host->mmc->max_seg_size = host->variant->stm32_idmabsize_mask;
+
+ host->mmc->max_req_size = SZ_1M;
} else {
host->mmc->max_segs = 1;
host->mmc->max_seg_size = host->mmc->max_req_size;
@@ -154,8 +200,18 @@ static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl)
struct scatterlist *sg;
int i;
- if (!host->variant->dma_lli || data->sg_len == 1) {
- writel_relaxed(sg_dma_address(data->sg),
+ host->dma_in_progress = true;
+
+ if (!host->variant->dma_lli || data->sg_len == 1 ||
+ idma->use_bounce_buffer) {
+ u32 dma_addr;
+
+ if (idma->use_bounce_buffer)
+ dma_addr = idma->bounce_dma_addr;
+ else
+ dma_addr = sg_dma_address(data->sg);
+
+ writel_relaxed(dma_addr,
host->base + MMCI_STM32_IDMABASE0R);
writel_relaxed(MMCI_STM32_IDMAEN,
host->base + MMCI_STM32_IDMACTRLR);
@@ -184,9 +240,30 @@ static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl)
return 0;
}
+static void sdmmc_idma_error(struct mmci_host *host)
+{
+ struct mmc_data *data = host->data;
+ struct sdmmc_idma *idma = host->dma_priv;
+
+ if (!dma_inprogress(host))
+ return;
+
+ writel_relaxed(0, host->base + MMCI_STM32_IDMACTRLR);
+ host->dma_in_progress = false;
+ data->host_cookie = 0;
+
+ if (!idma->use_bounce_buffer)
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
+}
+
static void sdmmc_idma_finalize(struct mmci_host *host, struct mmc_data *data)
{
+ if (!dma_inprogress(host))
+ return;
+
writel_relaxed(0, host->base + MMCI_STM32_IDMACTRLR);
+ host->dma_in_progress = false;
if (!data->host_cookie)
sdmmc_idma_unprep_data(host, data, 0);
@@ -512,6 +589,7 @@ static struct mmci_host_ops sdmmc_variant_ops = {
.dma_setup = sdmmc_idma_setup,
.dma_start = sdmmc_idma_start,
.dma_finalize = sdmmc_idma_finalize,
+ .dma_error = sdmmc_idma_error,
.set_clkreg = mmci_sdmmc_set_clkreg,
.set_pwrreg = mmci_sdmmc_set_pwrreg,
.busy_complete = sdmmc_busy_complete,
diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c
index 03ce57ef4..53bf9870c 100644
--- a/drivers/mmc/host/sdhci-xenon-phy.c
+++ b/drivers/mmc/host/sdhci-xenon-phy.c
@@ -11,6 +11,7 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/ktime.h>
+#include <linux/iopoll.h>
#include <linux/of_address.h>
#include "sdhci-pltfm.h"
@@ -109,6 +110,8 @@
#define XENON_EMMC_PHY_LOGIC_TIMING_ADJUST (XENON_EMMC_PHY_REG_BASE + 0x18)
#define XENON_LOGIC_TIMING_VALUE 0x00AA8977
+#define XENON_MAX_PHY_TIMEOUT_LOOPS 100
+
/*
* List offset of PHY registers and some special register values
* in eMMC PHY 5.0 or eMMC PHY 5.1
@@ -216,6 +219,19 @@ static int xenon_alloc_emmc_phy(struct sdhci_host *host)
return 0;
}
+static int xenon_check_stability_internal_clk(struct sdhci_host *host)
+{
+ u32 reg;
+ int err;
+
+ err = read_poll_timeout(sdhci_readw, reg, reg & SDHCI_CLOCK_INT_STABLE,
+ 1100, 20000, false, host, SDHCI_CLOCK_CONTROL);
+ if (err)
+ dev_err(mmc_dev(host->mmc), "phy_init: Internal clock never stabilized.\n");
+
+ return err;
+}
+
/*
* eMMC 5.0/5.1 PHY init/re-init.
* eMMC PHY init should be executed after:
@@ -232,6 +248,11 @@ static int xenon_emmc_phy_init(struct sdhci_host *host)
struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host);
struct xenon_emmc_phy_regs *phy_regs = priv->emmc_phy_regs;
+ int ret = xenon_check_stability_internal_clk(host);
+
+ if (ret)
+ return ret;
+
reg = sdhci_readl(host, phy_regs->timing_adj);
reg |= XENON_PHY_INITIALIZAION;
sdhci_writel(host, reg, phy_regs->timing_adj);
@@ -259,18 +280,27 @@ static int xenon_emmc_phy_init(struct sdhci_host *host)
/* get the wait time */
wait /= clock;
wait++;
- /* wait for host eMMC PHY init completes */
- udelay(wait);
- reg = sdhci_readl(host, phy_regs->timing_adj);
- reg &= XENON_PHY_INITIALIZAION;
- if (reg) {
+ /*
+ * AC5X spec says bit must be polled until zero.
+ * We see cases in which timeout can take longer
+ * than the standard calculation on AC5X, which is
+ * expected following the spec comment above.
+ * According to the spec, we must wait as long as
+ * it takes for that bit to toggle on AC5X.
+ * Cap that with 100 delay loops so we won't get
+ * stuck here forever:
+ */
+
+ ret = read_poll_timeout(sdhci_readl, reg,
+ !(reg & XENON_PHY_INITIALIZAION),
+ wait, XENON_MAX_PHY_TIMEOUT_LOOPS * wait,
+ false, host, phy_regs->timing_adj);
+ if (ret)
dev_err(mmc_dev(host->mmc), "eMMC PHY init cannot complete after %d us\n",
- wait);
- return -ETIMEDOUT;
- }
+ wait * XENON_MAX_PHY_TIMEOUT_LOOPS);
- return 0;
+ return ret;
}
#define ARMADA_3700_SOC_PAD_1_8V 0x1
diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index abf36acb2..0482920a7 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -216,6 +216,8 @@ static void tmio_mmc_reset_work(struct work_struct *work)
else
mrq->cmd->error = -ETIMEDOUT;
+ /* No new calls yet, but disallow concurrent tmio_mmc_done_work() */
+ host->mrq = ERR_PTR(-EBUSY);
host->cmd = NULL;
host->data = NULL;
diff --git a/drivers/mmc/host/wmt-sdmmc.c b/drivers/mmc/host/wmt-sdmmc.c
index 393319548..3fcc81e48 100644
--- a/drivers/mmc/host/wmt-sdmmc.c
+++ b/drivers/mmc/host/wmt-sdmmc.c
@@ -889,7 +889,6 @@ static int wmt_mci_remove(struct platform_device *pdev)
{
struct mmc_host *mmc;
struct wmt_mci_priv *priv;
- struct resource *res;
u32 reg_tmp;
mmc = platform_get_drvdata(pdev);
@@ -917,9 +916,6 @@ static int wmt_mci_remove(struct platform_device *pdev)
clk_disable_unprepare(priv->clk_sdmmc);
clk_put(priv->clk_sdmmc);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, resource_size(res));
-
mmc_free_host(mmc);
dev_info(&pdev->dev, "WMT MCI device removed\n");
diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c
index 9ab795f03..e55520935 100644
--- a/drivers/mtd/maps/physmap-core.c
+++ b/drivers/mtd/maps/physmap-core.c
@@ -528,7 +528,7 @@ static int physmap_flash_probe(struct platform_device *dev)
if (!info->maps[i].phys)
info->maps[i].phys = res->start;
- info->win_order = get_bitmask_order(resource_size(res)) - 1;
+ info->win_order = fls64(resource_size(res)) - 1;
info->maps[i].size = BIT(info->win_order +
(info->gpios ?
info->gpios->ndescs : 0));
diff --git a/drivers/mtd/nand/raw/diskonchip.c b/drivers/mtd/nand/raw/diskonchip.c
index 26b265e43..9ee7daa6f 100644
--- a/drivers/mtd/nand/raw/diskonchip.c
+++ b/drivers/mtd/nand/raw/diskonchip.c
@@ -53,7 +53,7 @@ static unsigned long doc_locations[] __initdata = {
0xe8000, 0xea000, 0xec000, 0xee000,
#endif
#endif
- 0xffffffff };
+};
static struct mtd_info *doclist = NULL;
@@ -1552,7 +1552,7 @@ static int __init init_nanddoc(void)
if (ret < 0)
return ret;
} else {
- for (i = 0; (doc_locations[i] != 0xffffffff); i++) {
+ for (i = 0; i < ARRAY_SIZE(doc_locations); i++) {
doc_probe(doc_locations[i]);
}
}
diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c b/drivers/mtd/nand/raw/lpc32xx_mlc.c
index 9e728c731..db228460a 100644
--- a/drivers/mtd/nand/raw/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c
@@ -304,8 +304,9 @@ static int lpc32xx_nand_device_ready(struct nand_chip *nand_chip)
return 0;
}
-static irqreturn_t lpc3xxx_nand_irq(int irq, struct lpc32xx_nand_host *host)
+static irqreturn_t lpc3xxx_nand_irq(int irq, void *data)
{
+ struct lpc32xx_nand_host *host = data;
uint8_t sr;
/* Clear interrupt flag by reading status */
@@ -780,7 +781,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
goto release_dma_chan;
}
- if (request_irq(host->irq, (irq_handler_t)&lpc3xxx_nand_irq,
+ if (request_irq(host->irq, &lpc3xxx_nand_irq,
IRQF_TRIGGER_HIGH, DRV_NAME, host)) {
dev_err(&pdev->dev, "Error requesting NAND IRQ\n");
res = -ENXIO;
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c
index 6bb0fca4a..9a64190f3 100644
--- a/drivers/mtd/nand/raw/meson_nand.c
+++ b/drivers/mtd/nand/raw/meson_nand.c
@@ -59,7 +59,7 @@
#define CMDRWGEN(cmd_dir, ran, bch, short_mode, page_size, pages) \
( \
(cmd_dir) | \
- ((ran) << 19) | \
+ (ran) | \
((bch) << 14) | \
((short_mode) << 13) | \
(((page_size) & 0x7f) << 6) | \
diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c
index 33c67403c..56d1b5661 100644
--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -13,7 +13,10 @@
#define GD5FXGQ4XA_STATUS_ECC_1_7_BITFLIPS (1 << 4)
#define GD5FXGQ4XA_STATUS_ECC_8_BITFLIPS (3 << 4)
-#define GD5FXGQ4UEXXG_REG_STATUS2 0xf0
+#define GD5FXGQ5XE_STATUS_ECC_1_4_BITFLIPS (1 << 4)
+#define GD5FXGQ5XE_STATUS_ECC_4_BITFLIPS (3 << 4)
+
+#define GD5FXGQXXEXXG_REG_STATUS2 0xf0
#define GD5FXGQ4UXFXXG_STATUS_ECC_MASK (7 << 4)
#define GD5FXGQ4UXFXXG_STATUS_ECC_NO_BITFLIPS (0 << 4)
@@ -36,6 +39,14 @@ static SPINAND_OP_VARIANTS(read_cache_variants_f,
SPINAND_PAGE_READ_FROM_CACHE_OP_3A(true, 0, 1, NULL, 0),
SPINAND_PAGE_READ_FROM_CACHE_OP_3A(false, 0, 0, NULL, 0));
+static SPINAND_OP_VARIANTS(read_cache_variants_1gq5,
+ SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
+ SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
+
static SPINAND_OP_VARIANTS(write_cache_variants,
SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
SPINAND_PROG_LOAD(true, 0, NULL, 0));
@@ -102,7 +113,7 @@ static int gd5fxgq4xa_ecc_get_status(struct spinand_device *spinand,
return -EINVAL;
}
-static int gd5fxgq4_variant2_ooblayout_ecc(struct mtd_info *mtd, int section,
+static int gd5fxgqx_variant2_ooblayout_ecc(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
@@ -114,7 +125,7 @@ static int gd5fxgq4_variant2_ooblayout_ecc(struct mtd_info *mtd, int section,
return 0;
}
-static int gd5fxgq4_variant2_ooblayout_free(struct mtd_info *mtd, int section,
+static int gd5fxgqx_variant2_ooblayout_free(struct mtd_info *mtd, int section,
struct mtd_oob_region *region)
{
if (section)
@@ -127,9 +138,10 @@ static int gd5fxgq4_variant2_ooblayout_free(struct mtd_info *mtd, int section,
return 0;
}
-static const struct mtd_ooblayout_ops gd5fxgq4_variant2_ooblayout = {
- .ecc = gd5fxgq4_variant2_ooblayout_ecc,
- .free = gd5fxgq4_variant2_ooblayout_free,
+/* Valid for Q4/Q5 and Q6 (untested) devices */
+static const struct mtd_ooblayout_ops gd5fxgqx_variant2_ooblayout = {
+ .ecc = gd5fxgqx_variant2_ooblayout_ecc,
+ .free = gd5fxgqx_variant2_ooblayout_free,
};
static int gd5fxgq4xc_ooblayout_256_ecc(struct mtd_info *mtd, int section,
@@ -165,8 +177,8 @@ static int gd5fxgq4uexxg_ecc_get_status(struct spinand_device *spinand,
u8 status)
{
u8 status2;
- struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQ4UEXXG_REG_STATUS2,
- &status2);
+ struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQXXEXXG_REG_STATUS2,
+ spinand->scratchbuf);
int ret;
switch (status & STATUS_ECC_MASK) {
@@ -187,6 +199,7 @@ static int gd5fxgq4uexxg_ecc_get_status(struct spinand_device *spinand,
* report the maximum of 4 in this case
*/
/* bits sorted this way (3...0): ECCS1,ECCS0,ECCSE1,ECCSE0 */
+ status2 = *(spinand->scratchbuf);
return ((status & STATUS_ECC_MASK) >> 2) |
((status2 & STATUS_ECC_MASK) >> 4);
@@ -203,6 +216,44 @@ static int gd5fxgq4uexxg_ecc_get_status(struct spinand_device *spinand,
return -EINVAL;
}
+static int gd5fxgq5xexxg_ecc_get_status(struct spinand_device *spinand,
+ u8 status)
+{
+ u8 status2;
+ struct spi_mem_op op = SPINAND_GET_FEATURE_OP(GD5FXGQXXEXXG_REG_STATUS2,
+ spinand->scratchbuf);
+ int ret;
+
+ switch (status & STATUS_ECC_MASK) {
+ case STATUS_ECC_NO_BITFLIPS:
+ return 0;
+
+ case GD5FXGQ5XE_STATUS_ECC_1_4_BITFLIPS:
+ /*
+ * Read status2 register to determine a more fine grained
+ * bit error status
+ */
+ ret = spi_mem_exec_op(spinand->spimem, &op);
+ if (ret)
+ return ret;
+
+ /*
+ * 1 ... 4 bits are flipped (and corrected)
+ */
+ /* bits sorted this way (1...0): ECCSE1, ECCSE0 */
+ status2 = *(spinand->scratchbuf);
+ return ((status2 & STATUS_ECC_MASK) >> 4) + 1;
+
+ case STATUS_ECC_UNCOR_ERROR:
+ return -EBADMSG;
+
+ default:
+ break;
+ }
+
+ return -EINVAL;
+}
+
static int gd5fxgq4ufxxg_ecc_get_status(struct spinand_device *spinand,
u8 status)
{
@@ -282,7 +333,7 @@ static const struct spinand_info gigadevice_spinand_table[] = {
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
- SPINAND_ECCINFO(&gd5fxgq4_variant2_ooblayout,
+ SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
gd5fxgq4uexxg_ecc_get_status)),
SPINAND_INFO("GD5F1GQ4UFxxG",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE, 0xb1, 0x48),
@@ -292,8 +343,18 @@ static const struct spinand_info gigadevice_spinand_table[] = {
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
- SPINAND_ECCINFO(&gd5fxgq4_variant2_ooblayout,
+ SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
gd5fxgq4ufxxg_ecc_get_status)),
+ SPINAND_INFO("GD5F1GQ5UExxG",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51),
+ NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
+ NAND_ECCREQ(4, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants_1gq5,
+ &write_cache_variants,
+ &update_cache_variants),
+ SPINAND_HAS_QE_BIT,
+ SPINAND_ECCINFO(&gd5fxgqx_variant2_ooblayout,
+ gd5fxgq5xexxg_ecc_get_status)),
};
static const struct spinand_manufacturer_ops gigadevice_spinand_manuf_ops = {
diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c
index cd7a9cacc..8bd3f6bf9 100644
--- a/drivers/mtd/nand/spi/macronix.c
+++ b/drivers/mtd/nand/spi/macronix.c
@@ -119,6 +119,26 @@ static const struct spinand_info macronix_spinand_table[] = {
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
+ SPINAND_INFO("MX35LF2GE4AD",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x26),
+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+ mx35lf1ge4ab_ecc_get_status)),
+ SPINAND_INFO("MX35LF4GE4AD",
+ SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37),
+ NAND_MEMORG(1, 4096, 128, 64, 2048, 40, 1, 1, 1),
+ NAND_ECCREQ(8, 512),
+ SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
+ &write_cache_variants,
+ &update_cache_variants),
+ 0,
+ SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
+ mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX31LF1GE4BC",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x1e),
NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 6e95c4b14..8081fc760 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -86,9 +86,10 @@ size_t ubi_calc_fm_size(struct ubi_device *ubi)
sizeof(struct ubi_fm_scan_pool) +
sizeof(struct ubi_fm_scan_pool) +
(ubi->peb_count * sizeof(struct ubi_fm_ec)) +
- (sizeof(struct ubi_fm_eba) +
- (ubi->peb_count * sizeof(__be32))) +
- sizeof(struct ubi_fm_volhdr) * UBI_MAX_VOLUMES;
+ ((sizeof(struct ubi_fm_eba) +
+ sizeof(struct ubi_fm_volhdr)) *
+ (UBI_MAX_VOLUMES + UBI_INT_VOL_COUNT)) +
+ (ubi->peb_count * sizeof(__be32));
return roundup(size, ubi->leb_size);
}
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index f700f0e4f..6e5489e23 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -791,6 +791,12 @@ int ubi_read_volume_table(struct ubi_device *ubi, struct ubi_attach_info *ai)
* The number of supported volumes is limited by the eraseblock size
* and by the UBI_MAX_VOLUMES constant.
*/
+
+ if (ubi->leb_size < UBI_VTBL_RECORD_SIZE) {
+ ubi_err(ubi, "LEB size too small for a volume record");
+ return -EINVAL;
+ }
+
ubi->vtbl_slots = ubi->leb_size / UBI_VTBL_RECORD_SIZE;
if (ubi->vtbl_slots > UBI_MAX_VOLUMES)
ubi->vtbl_slots = UBI_MAX_VOLUMES;
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 64ba46574..81a5e7622 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -971,7 +971,8 @@ static int alb_upper_dev_walk(struct net_device *upper,
if (netif_is_macvlan(upper) && !strict_match) {
tags = bond_verify_device_path(bond->dev, upper, 0);
if (IS_ERR_OR_NULL(tags))
- BUG();
+ return -ENOMEM;
+
alb_send_lp_vid(slave, upper->dev_addr,
tags[0].vlan_proto, tags[0].vlan_id);
kfree(tags);
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 4056ca425..0fbed76bb 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1581,11 +1581,11 @@ mt7530_setup(struct dsa_switch *ds)
*/
if (priv->mcm) {
reset_control_assert(priv->rstc);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
reset_control_deassert(priv->rstc);
} else {
gpiod_set_value_cansleep(priv->reset, 0);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
gpiod_set_value_cansleep(priv->reset, 1);
}
@@ -1704,11 +1704,11 @@ mt7531_setup(struct dsa_switch *ds)
*/
if (priv->mcm) {
reset_control_assert(priv->rstc);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
reset_control_deassert(priv->rstc);
} else {
gpiod_set_value_cansleep(priv->reset, 0);
- usleep_range(1000, 1100);
+ usleep_range(5000, 5100);
gpiod_set_value_cansleep(priv->reset, 1);
}
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index 51a7ff444..67e52c481 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -536,8 +536,8 @@ struct mv88e6xxx_ops {
int (*serdes_get_sset_count)(struct mv88e6xxx_chip *chip, int port);
int (*serdes_get_strings)(struct mv88e6xxx_chip *chip, int port,
uint8_t *data);
- int (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data);
+ size_t (*serdes_get_stats)(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data);
/* SERDES registers for ethtool */
int (*serdes_get_regs_len)(struct mv88e6xxx_chip *chip, int port);
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.c b/drivers/net/dsa/mv88e6xxx/serdes.c
index 6920e62c8..9494d75ee 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.c
+++ b/drivers/net/dsa/mv88e6xxx/serdes.c
@@ -314,8 +314,8 @@ static uint64_t mv88e6352_serdes_get_stat(struct mv88e6xxx_chip *chip,
return val;
}
-int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data)
+size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data)
{
struct mv88e6xxx_port *mv88e6xxx_port = &chip->ports[port];
struct mv88e6352_serdes_hw_stat *stat;
@@ -631,8 +631,8 @@ static uint64_t mv88e6390_serdes_get_stat(struct mv88e6xxx_chip *chip, int lane,
return reg[0] | ((u64)reg[1] << 16) | ((u64)reg[2] << 32);
}
-int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data)
+size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data)
{
struct mv88e6390_serdes_hw_stat *stat;
int lane;
diff --git a/drivers/net/dsa/mv88e6xxx/serdes.h b/drivers/net/dsa/mv88e6xxx/serdes.h
index 14315f262..035688659 100644
--- a/drivers/net/dsa/mv88e6xxx/serdes.h
+++ b/drivers/net/dsa/mv88e6xxx/serdes.h
@@ -116,13 +116,13 @@ irqreturn_t mv88e6390_serdes_irq_status(struct mv88e6xxx_chip *chip, int port,
int mv88e6352_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
int mv88e6352_serdes_get_strings(struct mv88e6xxx_chip *chip,
int port, uint8_t *data);
-int mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data);
+size_t mv88e6352_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data);
int mv88e6390_serdes_get_sset_count(struct mv88e6xxx_chip *chip, int port);
int mv88e6390_serdes_get_strings(struct mv88e6xxx_chip *chip,
int port, uint8_t *data);
-int mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
- uint64_t *data);
+size_t mv88e6390_serdes_get_stats(struct mv88e6xxx_chip *chip, int port,
+ uint64_t *data);
int mv88e6352_serdes_get_regs_len(struct mv88e6xxx_chip *chip, int port);
void mv88e6352_serdes_get_regs(struct mv88e6xxx_chip *chip, int port, void *_p);
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index d59ea5148..60645ea7c 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -352,7 +352,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
ENA_COM_BOUNCE_BUFFER_CNTRL_CNT;
io_sq->bounce_buf_ctrl.next_to_use = 0;
- size = io_sq->bounce_buf_ctrl.buffer_size *
+ size = (size_t)io_sq->bounce_buf_ctrl.buffer_size *
io_sq->bounce_buf_ctrl.buffers_num;
dev_node = dev_to_node(ena_dev->dmadev);
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index e13ae04d2..9149c82c0 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1105,8 +1105,11 @@ static void ena_unmap_tx_buff(struct ena_ring *tx_ring,
static void ena_free_tx_bufs(struct ena_ring *tx_ring)
{
bool print_once = true;
+ bool is_xdp_ring;
u32 i;
+ is_xdp_ring = ENA_IS_XDP_INDEX(tx_ring->adapter, tx_ring->qid);
+
for (i = 0; i < tx_ring->ring_size; i++) {
struct ena_tx_buffer *tx_info = &tx_ring->tx_buffer_info[i];
@@ -1126,10 +1129,15 @@ static void ena_free_tx_bufs(struct ena_ring *tx_ring)
ena_unmap_tx_buff(tx_ring, tx_info);
- dev_kfree_skb_any(tx_info->skb);
+ if (is_xdp_ring)
+ xdp_return_frame(tx_info->xdpf);
+ else
+ dev_kfree_skb_any(tx_info->skb);
}
- netdev_tx_reset_queue(netdev_get_tx_queue(tx_ring->netdev,
- tx_ring->qid));
+
+ if (!is_xdp_ring)
+ netdev_tx_reset_queue(netdev_get_tx_queue(tx_ring->netdev,
+ tx_ring->qid));
}
static void ena_free_all_tx_bufs(struct ena_adapter *adapter)
@@ -3057,22 +3065,6 @@ error_drop_packet:
return NETDEV_TX_OK;
}
-static u16 ena_select_queue(struct net_device *dev, struct sk_buff *skb,
- struct net_device *sb_dev)
-{
- u16 qid;
- /* we suspect that this is good for in--kernel network services that
- * want to loop incoming skb rx to tx in normal user generated traffic,
- * most probably we will not get to this
- */
- if (skb_rx_queue_recorded(skb))
- qid = skb_get_rx_queue(skb);
- else
- qid = netdev_pick_tx(dev, skb, NULL);
-
- return qid;
-}
-
static void ena_config_host_info(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
{
struct device *dev = &pdev->dev;
@@ -3242,7 +3234,6 @@ static const struct net_device_ops ena_netdev_ops = {
.ndo_open = ena_open,
.ndo_stop = ena_close,
.ndo_start_xmit = ena_start_xmit,
- .ndo_select_queue = ena_select_queue,
.ndo_get_stats64 = ena_get_stats64,
.ndo_tx_timeout = ena_tx_timeout,
.ndo_change_mtu = ena_change_mtu,
@@ -3689,10 +3680,11 @@ static void check_for_missing_completions(struct ena_adapter *adapter)
{
struct ena_ring *tx_ring;
struct ena_ring *rx_ring;
- int i, budget, rc;
+ int qid, budget, rc;
int io_queue_count;
io_queue_count = adapter->xdp_num_queues + adapter->num_io_queues;
+
/* Make sure the driver doesn't turn the device in other process */
smp_rmb();
@@ -3705,27 +3697,29 @@ static void check_for_missing_completions(struct ena_adapter *adapter)
if (adapter->missing_tx_completion_to == ENA_HW_HINTS_NO_TIMEOUT)
return;
- budget = ENA_MONITORED_TX_QUEUES;
+ budget = min_t(u32, io_queue_count, ENA_MONITORED_TX_QUEUES);
- for (i = adapter->last_monitored_tx_qid; i < io_queue_count; i++) {
- tx_ring = &adapter->tx_ring[i];
- rx_ring = &adapter->rx_ring[i];
+ qid = adapter->last_monitored_tx_qid;
+
+ while (budget) {
+ qid = (qid + 1) % io_queue_count;
+
+ tx_ring = &adapter->tx_ring[qid];
+ rx_ring = &adapter->rx_ring[qid];
rc = check_missing_comp_in_tx_queue(adapter, tx_ring);
if (unlikely(rc))
return;
- rc = !ENA_IS_XDP_INDEX(adapter, i) ?
+ rc = !ENA_IS_XDP_INDEX(adapter, qid) ?
check_for_rx_interrupt_queue(adapter, rx_ring) : 0;
if (unlikely(rc))
return;
budget--;
- if (!budget)
- break;
}
- adapter->last_monitored_tx_qid = i % io_queue_count;
+ adapter->last_monitored_tx_qid = qid;
}
/* trigger napi schedule after 2 consecutive detections */
diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c
index b455b60a5..7ad9a4715 100644
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -2027,12 +2027,14 @@ static int b44_set_pauseparam(struct net_device *dev,
bp->flags |= B44_FLAG_TX_PAUSE;
else
bp->flags &= ~B44_FLAG_TX_PAUSE;
- if (bp->flags & B44_FLAG_PAUSE_AUTO) {
- b44_halt(bp);
- b44_init_rings(bp);
- b44_init_hw(bp, B44_FULL_RESET);
- } else {
- __b44_set_flow_ctrl(bp, bp->flags);
+ if (netif_running(dev)) {
+ if (bp->flags & B44_FLAG_PAUSE_AUTO) {
+ b44_halt(bp);
+ b44_init_rings(bp);
+ b44_init_hw(bp, B44_FULL_RESET);
+ } else {
+ __b44_set_flow_ctrl(bp, bp->flags);
+ }
}
spin_unlock_irq(&bp->lock);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index d8b1824c3..0bc1367fd 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -1002,9 +1002,6 @@ static inline void bnx2x_set_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid,
static inline void bnx2x_free_rx_mem_pool(struct bnx2x *bp,
struct bnx2x_alloc_pool *pool)
{
- if (!pool->page)
- return;
-
put_page(pool->page);
pool->page = NULL;
@@ -1015,6 +1012,9 @@ static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp,
{
int i;
+ if (!fp->page_pool.page)
+ return;
+
if (fp->mode == TPA_MODE_DISABLED)
return;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 584f365de..059552f41 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -11331,6 +11331,11 @@ static int bnxt_fw_init_one_p1(struct bnxt *bp)
bp->fw_cap = 0;
rc = bnxt_hwrm_ver_get(bp);
+ /* FW may be unresponsive after FLR. FLR must complete within 100 msec
+ * so wait before continuing with recovery.
+ */
+ if (rc)
+ msleep(100);
bnxt_try_map_fw_health_reg(bp);
if (rc) {
if (bp->fw_health && bp->fw_health->status_reliable) {
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 8edf12077..ed0589a1a 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1244,7 +1244,8 @@ static void bcmgenet_get_ethtool_stats(struct net_device *dev,
}
}
-static void bcmgenet_eee_enable_set(struct net_device *dev, bool enable)
+void bcmgenet_eee_enable_set(struct net_device *dev, bool enable,
+ bool tx_lpi_enabled)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
u32 off = priv->hw_params->tbuf_offset + TBUF_ENERGY_CTRL;
@@ -1264,7 +1265,7 @@ static void bcmgenet_eee_enable_set(struct net_device *dev, bool enable)
/* Enable EEE and switch to a 27Mhz clock automatically */
reg = bcmgenet_readl(priv->base + off);
- if (enable)
+ if (tx_lpi_enabled)
reg |= TBUF_EEE_EN | TBUF_PM_EN;
else
reg &= ~(TBUF_EEE_EN | TBUF_PM_EN);
@@ -1285,6 +1286,7 @@ static void bcmgenet_eee_enable_set(struct net_device *dev, bool enable)
priv->eee.eee_enabled = enable;
priv->eee.eee_active = enable;
+ priv->eee.tx_lpi_enabled = tx_lpi_enabled;
}
static int bcmgenet_get_eee(struct net_device *dev, struct ethtool_eee *e)
@@ -1300,6 +1302,7 @@ static int bcmgenet_get_eee(struct net_device *dev, struct ethtool_eee *e)
e->eee_enabled = p->eee_enabled;
e->eee_active = p->eee_active;
+ e->tx_lpi_enabled = p->tx_lpi_enabled;
e->tx_lpi_timer = bcmgenet_umac_readl(priv, UMAC_EEE_LPI_TIMER);
return phy_ethtool_get_eee(dev->phydev, e);
@@ -1309,7 +1312,6 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
struct ethtool_eee *p = &priv->eee;
- int ret = 0;
if (GENET_IS_V1(priv))
return -EOPNOTSUPP;
@@ -1320,16 +1322,11 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
p->eee_enabled = e->eee_enabled;
if (!p->eee_enabled) {
- bcmgenet_eee_enable_set(dev, false);
+ bcmgenet_eee_enable_set(dev, false, false);
} else {
- ret = phy_init_eee(dev->phydev, 0);
- if (ret) {
- netif_err(priv, hw, dev, "EEE initialization failed\n");
- return ret;
- }
-
+ p->eee_active = phy_init_eee(dev->phydev, false) >= 0;
bcmgenet_umac_writel(priv, e->tx_lpi_timer, UMAC_EEE_LPI_TIMER);
- bcmgenet_eee_enable_set(dev, true);
+ bcmgenet_eee_enable_set(dev, p->eee_active, e->tx_lpi_enabled);
}
return phy_ethtool_set_eee(dev->phydev, e);
@@ -4217,9 +4214,6 @@ static int bcmgenet_resume(struct device *d)
if (!device_may_wakeup(d))
phy_resume(dev->phydev);
- if (priv->eee.eee_enabled)
- bcmgenet_eee_enable_set(dev, true);
-
bcmgenet_netif_start(dev);
netif_device_attach(dev);
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index f6ca01da1..c7853d530 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -756,4 +756,7 @@ int bcmgenet_wol_power_down_cfg(struct bcmgenet_priv *priv,
void bcmgenet_wol_power_up_cfg(struct bcmgenet_priv *priv,
enum bcmgenet_power_mode mode);
+void bcmgenet_eee_enable_set(struct net_device *dev, bool enable,
+ bool tx_lpi_enabled);
+
#endif /* __BCMGENET_H__ */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 2b0538f2a..becc717aa 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -25,6 +25,7 @@
#include "bcmgenet.h"
+
/* setup netdev link state when PHY link status change and
* update UMAC and RGMII block when link up
*/
@@ -102,6 +103,11 @@ void bcmgenet_mii_setup(struct net_device *dev)
reg |= CMD_TX_EN | CMD_RX_EN;
}
bcmgenet_umac_writel(priv, reg, UMAC_CMD);
+
+ priv->eee.eee_active = phy_init_eee(phydev, 0) >= 0;
+ bcmgenet_eee_enable_set(dev,
+ priv->eee.eee_enabled && priv->eee.eee_active,
+ priv->eee.tx_lpi_enabled);
} else {
/* done if nothing has changed */
if (!status_changed)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 4ce913559..fe29769cb 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -1766,6 +1766,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
/* if any of the above changed restart the FEC */
if (status_change) {
+ netif_stop_queue(ndev);
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
@@ -1775,6 +1776,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
}
} else {
if (fep->link) {
+ netif_stop_queue(ndev);
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_stop(ndev);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index deba485ce..c14c391a0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2723,7 +2723,10 @@ static int hclge_mac_init(struct hclge_dev *hdev)
int ret;
hdev->support_sfp_query = true;
- hdev->hw.mac.duplex = HCLGE_MAC_FULL;
+
+ if (!test_bit(HCLGE_STATE_RST_HANDLING, &hdev->state))
+ hdev->hw.mac.duplex = HCLGE_MAC_FULL;
+
ret = hclge_cfg_mac_speed_dup_hw(hdev, hdev->hw.mac.speed,
hdev->hw.mac.duplex);
if (ret)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h
index 5b0b71bd6..e8e67321e 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_trace.h
@@ -24,7 +24,7 @@ TRACE_EVENT(hclge_pf_mbx_get,
__field(u8, code)
__field(u8, subcode)
__string(pciname, pci_name(hdev->pdev))
- __string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
+ __string(devname, hdev->vport[0].nic.kinfo.netdev->name)
__array(u32, mbx_data, PF_GET_MBX_LEN)
),
@@ -33,7 +33,7 @@ TRACE_EVENT(hclge_pf_mbx_get,
__entry->code = req->msg.code;
__entry->subcode = req->msg.subcode;
__assign_str(pciname, pci_name(hdev->pdev));
- __assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
+ __assign_str(devname, hdev->vport[0].nic.kinfo.netdev->name);
memcpy(__entry->mbx_data, req,
sizeof(struct hclge_mbx_vf_to_pf_cmd));
),
@@ -56,7 +56,7 @@ TRACE_EVENT(hclge_pf_mbx_send,
__field(u8, vfid)
__field(u16, code)
__string(pciname, pci_name(hdev->pdev))
- __string(devname, &hdev->vport[0].nic.kinfo.netdev->name)
+ __string(devname, hdev->vport[0].nic.kinfo.netdev->name)
__array(u32, mbx_data, PF_SEND_MBX_LEN)
),
@@ -64,7 +64,7 @@ TRACE_EVENT(hclge_pf_mbx_send,
__entry->vfid = req->dest_vfid;
__entry->code = req->msg.code;
__assign_str(pciname, pci_name(hdev->pdev));
- __assign_str(devname, &hdev->vport[0].nic.kinfo.netdev->name);
+ __assign_str(devname, hdev->vport[0].nic.kinfo.netdev->name);
memcpy(__entry->mbx_data, req,
sizeof(struct hclge_mbx_pf_to_vf_cmd));
),
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
index e4bfb6191..a208af567 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_trace.h
@@ -23,7 +23,7 @@ TRACE_EVENT(hclge_vf_mbx_get,
__field(u8, vfid)
__field(u16, code)
__string(pciname, pci_name(hdev->pdev))
- __string(devname, &hdev->nic.kinfo.netdev->name)
+ __string(devname, hdev->nic.kinfo.netdev->name)
__array(u32, mbx_data, VF_GET_MBX_LEN)
),
@@ -31,7 +31,7 @@ TRACE_EVENT(hclge_vf_mbx_get,
__entry->vfid = req->dest_vfid;
__entry->code = req->msg.code;
__assign_str(pciname, pci_name(hdev->pdev));
- __assign_str(devname, &hdev->nic.kinfo.netdev->name);
+ __assign_str(devname, hdev->nic.kinfo.netdev->name);
memcpy(__entry->mbx_data, req,
sizeof(struct hclge_mbx_pf_to_vf_cmd));
),
@@ -55,7 +55,7 @@ TRACE_EVENT(hclge_vf_mbx_send,
__field(u8, code)
__field(u8, subcode)
__string(pciname, pci_name(hdev->pdev))
- __string(devname, &hdev->nic.kinfo.netdev->name)
+ __string(devname, hdev->nic.kinfo.netdev->name)
__array(u32, mbx_data, VF_SEND_MBX_LEN)
),
@@ -64,7 +64,7 @@ TRACE_EVENT(hclge_vf_mbx_send,
__entry->code = req->msg.code;
__entry->subcode = req->msg.subcode;
__assign_str(pciname, pci_name(hdev->pdev));
- __assign_str(devname, &hdev->nic.kinfo.netdev->name);
+ __assign_str(devname, hdev->nic.kinfo.netdev->name);
memcpy(__entry->mbx_data, req,
sizeof(struct hclge_mbx_vf_to_pf_cmd));
),
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d83b96aa3..35a903f6d 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1230,8 +1230,11 @@ int i40e_count_filters(struct i40e_vsi *vsi)
int bkt;
int cnt = 0;
- hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist)
- ++cnt;
+ hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) {
+ if (f->state == I40E_FILTER_NEW ||
+ f->state == I40E_FILTER_ACTIVE)
+ ++cnt;
+ }
return cnt;
}
@@ -5153,7 +5156,7 @@ static int i40e_pf_wait_queues_disabled(struct i40e_pf *pf)
{
int v, ret = 0;
- for (v = 0; v < pf->hw.func_caps.num_vsis; v++) {
+ for (v = 0; v < pf->num_alloc_vsi; v++) {
if (pf->vsi[v]) {
ret = i40e_vsi_wait_queues_disabled(pf->vsi[v]);
if (ret)
@@ -12944,9 +12947,9 @@ int i40e_queue_pair_disable(struct i40e_vsi *vsi, int queue_pair)
return err;
i40e_queue_pair_disable_irq(vsi, queue_pair);
+ i40e_queue_pair_toggle_napi(vsi, queue_pair, false /* off */);
err = i40e_queue_pair_toggle_rings(vsi, queue_pair, false /* off */);
i40e_clean_rx_ring(vsi->rx_rings[queue_pair]);
- i40e_queue_pair_toggle_napi(vsi, queue_pair, false /* off */);
i40e_queue_pair_clean_rings(vsi, queue_pair);
i40e_queue_pair_reset_stats(vsi, queue_pair);
@@ -15485,8 +15488,8 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
val = (rd32(&pf->hw, I40E_PRTGL_SAH) &
I40E_PRTGL_SAH_MFS_MASK) >> I40E_PRTGL_SAH_MFS_SHIFT;
if (val < MAX_FRAME_SIZE_DEFAULT)
- dev_warn(&pdev->dev, "MFS for port %x has been set below the default: %x\n",
- pf->hw.port, val);
+ dev_warn(&pdev->dev, "MFS for port %x (%d) has been set below the default (%d)\n",
+ pf->hw.port, val, MAX_FRAME_SIZE_DEFAULT);
/* Add a filter to drop all Flow control frames from any VSI from being
* transmitted. By doing so we stop a malicious VF from sending out
@@ -16020,7 +16023,7 @@ static int __init i40e_init_module(void)
* since we need to be able to guarantee forward progress even under
* memory pressure.
*/
- i40e_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, i40e_driver_name);
+ i40e_wq = alloc_workqueue("%s", 0, 0, i40e_driver_name);
if (!i40e_wq) {
pr_err("%s: Failed to create workqueue\n", i40e_driver_name);
return -ENOMEM;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
index 7b0ed15f4..4f23243bb 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c
@@ -1573,8 +1573,8 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
{
struct i40e_hw *hw = &pf->hw;
struct i40e_vf *vf;
- int i, v;
u32 reg;
+ int i;
/* If we don't have any VFs, then there is nothing to reset */
if (!pf->num_alloc_vfs)
@@ -1585,11 +1585,10 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
return false;
/* Begin reset on all VFs at once */
- for (v = 0; v < pf->num_alloc_vfs; v++) {
- vf = &pf->vf[v];
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* If VF is being reset no need to trigger reset again */
if (!test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
- i40e_trigger_vf_reset(&pf->vf[v], flr);
+ i40e_trigger_vf_reset(vf, flr);
}
/* HW requires some time to make sure it can flush the FIFO for a VF
@@ -1598,14 +1597,13 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
* the VFs using a simple iterator that increments once that VF has
* finished resetting.
*/
- for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) {
+ for (i = 0, vf = &pf->vf[0]; i < 10 && vf < &pf->vf[pf->num_alloc_vfs]; ++i) {
usleep_range(10000, 20000);
/* Check each VF in sequence, beginning with the VF to fail
* the previous check.
*/
- while (v < pf->num_alloc_vfs) {
- vf = &pf->vf[v];
+ while (vf < &pf->vf[pf->num_alloc_vfs]) {
if (!test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states)) {
reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK))
@@ -1615,7 +1613,7 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
/* If the current VF has finished resetting, move on
* to the next VF in sequence.
*/
- v++;
+ ++vf;
}
}
@@ -1625,39 +1623,39 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
/* Display a warning if at least one VF didn't manage to reset in
* time, but continue on with the operation.
*/
- if (v < pf->num_alloc_vfs)
+ if (vf < &pf->vf[pf->num_alloc_vfs])
dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
- pf->vf[v].vf_id);
+ vf->vf_id);
usleep_range(10000, 20000);
/* Begin disabling all the rings associated with VFs, but do not wait
* between each VF.
*/
- for (v = 0; v < pf->num_alloc_vfs; v++) {
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* On initial reset, we don't have any queues to disable */
- if (pf->vf[v].lan_vsi_idx == 0)
+ if (vf->lan_vsi_idx == 0)
continue;
/* If VF is reset in another thread just continue */
if (test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
continue;
- i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]);
+ i40e_vsi_stop_rings_no_wait(pf->vsi[vf->lan_vsi_idx]);
}
/* Now that we've notified HW to disable all of the VF rings, wait
* until they finish.
*/
- for (v = 0; v < pf->num_alloc_vfs; v++) {
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* On initial reset, we don't have any queues to disable */
- if (pf->vf[v].lan_vsi_idx == 0)
+ if (vf->lan_vsi_idx == 0)
continue;
/* If VF is reset in another thread just continue */
if (test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
continue;
- i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]);
+ i40e_vsi_wait_queues_disabled(pf->vsi[vf->lan_vsi_idx]);
}
/* Hw may need up to 50ms to finish disabling the RX queues. We
@@ -1666,12 +1664,12 @@ bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr)
mdelay(50);
/* Finish the reset on each VF */
- for (v = 0; v < pf->num_alloc_vfs; v++) {
+ for (vf = &pf->vf[0]; vf < &pf->vf[pf->num_alloc_vfs]; ++vf) {
/* If VF is reset in another thread just continue */
if (test_bit(I40E_VF_STATE_RESETTING, &vf->vf_states))
continue;
- i40e_cleanup_reset_vf(&pf->vf[v]);
+ i40e_cleanup_reset_vf(vf);
}
i40e_flush(hw);
@@ -2545,6 +2543,14 @@ static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg)
i40e_status aq_ret = 0;
int i;
+ if (vf->is_disabled_from_host) {
+ aq_ret = -EPERM;
+ dev_info(&pf->pdev->dev,
+ "Admin has disabled VF %d, will not enable queues\n",
+ vf->vf_id);
+ goto error_param;
+ }
+
if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) {
aq_ret = I40E_ERR_PARAM;
goto error_param;
@@ -4587,9 +4593,12 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
struct i40e_pf *pf = np->vsi->back;
struct virtchnl_pf_event pfe;
struct i40e_hw *hw = &pf->hw;
+ struct i40e_vsi *vsi;
+ unsigned long q_map;
struct i40e_vf *vf;
int abs_vf_id;
int ret = 0;
+ int tmp;
if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) {
dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n");
@@ -4612,6 +4621,9 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
switch (link) {
case IFLA_VF_LINK_STATE_AUTO:
vf->link_forced = false;
+ vf->is_disabled_from_host = false;
+ /* reset needed to reinit VF resources */
+ i40e_vc_reset_vf(vf, true);
pfe.event_data.link_event.link_status =
pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
pfe.event_data.link_event.link_speed =
@@ -4621,6 +4633,9 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
case IFLA_VF_LINK_STATE_ENABLE:
vf->link_forced = true;
vf->link_up = true;
+ vf->is_disabled_from_host = false;
+ /* reset needed to reinit VF resources */
+ i40e_vc_reset_vf(vf, true);
pfe.event_data.link_event.link_status = true;
pfe.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_40GB;
break;
@@ -4629,6 +4644,21 @@ int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
vf->link_up = false;
pfe.event_data.link_event.link_status = false;
pfe.event_data.link_event.link_speed = 0;
+
+ vsi = pf->vsi[vf->lan_vsi_idx];
+ q_map = BIT(vsi->num_queue_pairs) - 1;
+
+ vf->is_disabled_from_host = true;
+
+ /* Try to stop both Tx&Rx rings even if one of the calls fails
+ * to ensure we stop the rings even in case of errors.
+ * If any of them returns with an error then the first
+ * error that occurred will be returned.
+ */
+ tmp = i40e_ctrl_vf_tx_rings(vsi, q_map, false);
+ ret = i40e_ctrl_vf_rx_rings(vsi, q_map, false);
+
+ ret = tmp ? tmp : ret;
break;
default:
ret = -EINVAL;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
index bd497cc53..97e9c34d7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h
@@ -98,6 +98,7 @@ struct i40e_vf {
bool link_forced;
bool link_up; /* only valid if VF link is forced */
bool spoofchk;
+ bool is_disabled_from_host; /* PF ctrl of VF enable/disable */
u16 num_vlan;
/* ADq related variables */
diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index b64801bc2..65259722a 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -2643,6 +2643,34 @@ static void iavf_del_all_cloud_filters(struct iavf_adapter *adapter)
}
/**
+ * iavf_is_tc_config_same - Compare the mqprio TC config with the
+ * TC config already configured on this adapter.
+ * @adapter: board private structure
+ * @mqprio_qopt: TC config received from kernel.
+ *
+ * This function compares the TC config received from the kernel
+ * with the config already configured on the adapter.
+ *
+ * Return: True if configuration is same, false otherwise.
+ **/
+static bool iavf_is_tc_config_same(struct iavf_adapter *adapter,
+ struct tc_mqprio_qopt *mqprio_qopt)
+{
+ struct virtchnl_channel_info *ch = &adapter->ch_config.ch_info[0];
+ int i;
+
+ if (adapter->num_tc != mqprio_qopt->num_tc)
+ return false;
+
+ for (i = 0; i < adapter->num_tc; i++) {
+ if (ch[i].count != mqprio_qopt->count[i] ||
+ ch[i].offset != mqprio_qopt->offset[i])
+ return false;
+ }
+ return true;
+}
+
+/**
* __iavf_setup_tc - configure multiple traffic classes
* @netdev: network interface device structure
* @type_data: tc offload data
@@ -2698,7 +2726,7 @@ static int __iavf_setup_tc(struct net_device *netdev, void *type_data)
if (ret)
return ret;
/* Return if same TC config is requested */
- if (adapter->num_tc == num_tc)
+ if (iavf_is_tc_config_same(adapter, &mqprio_qopt->qopt))
return 0;
adapter->num_tc = num_tc;
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 02f72fbec..035bc90c8 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -6546,6 +6546,8 @@ ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
pf_sw = pf->first_sw;
/* find the attribute in the netlink message */
br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+ if (!br_spec)
+ return -EINVAL;
nla_for_each_nested(attr, br_spec, rem) {
__u16 mode;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 01176c86b..0848613c3 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -6762,77 +6762,75 @@ void igb_update_stats(struct igb_adapter *adapter)
}
}
+static void igb_perout(struct igb_adapter *adapter, int tsintr_tt)
+{
+ int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_PEROUT, tsintr_tt);
+ struct e1000_hw *hw = &adapter->hw;
+ struct timespec64 ts;
+ u32 tsauxc;
+
+ if (pin < 0 || pin >= IGB_N_PEROUT)
+ return;
+
+ spin_lock(&adapter->tmreg_lock);
+ ts = timespec64_add(adapter->perout[pin].start,
+ adapter->perout[pin].period);
+ /* u32 conversion of tv_sec is safe until y2106 */
+ wr32((tsintr_tt == 1) ? E1000_TRGTTIML1 : E1000_TRGTTIML0, ts.tv_nsec);
+ wr32((tsintr_tt == 1) ? E1000_TRGTTIMH1 : E1000_TRGTTIMH0, (u32)ts.tv_sec);
+ tsauxc = rd32(E1000_TSAUXC);
+ tsauxc |= TSAUXC_EN_TT0;
+ wr32(E1000_TSAUXC, tsauxc);
+ adapter->perout[pin].start = ts;
+ spin_unlock(&adapter->tmreg_lock);
+}
+
+static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
+{
+ int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_EXTTS, tsintr_tt);
+ struct e1000_hw *hw = &adapter->hw;
+ struct ptp_clock_event event;
+ u32 sec, nsec;
+
+ if (pin < 0 || pin >= IGB_N_EXTTS)
+ return;
+
+ nsec = rd32((tsintr_tt == 1) ? E1000_AUXSTMPL1 : E1000_AUXSTMPL0);
+ sec = rd32((tsintr_tt == 1) ? E1000_AUXSTMPH1 : E1000_AUXSTMPH0);
+ event.type = PTP_CLOCK_EXTTS;
+ event.index = tsintr_tt;
+ event.timestamp = sec * 1000000000ULL + nsec;
+ ptp_clock_event(adapter->ptp_clock, &event);
+}
+
static void igb_tsync_interrupt(struct igb_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
+ u32 tsicr = rd32(E1000_TSICR);
struct ptp_clock_event event;
- struct timespec64 ts;
- u32 ack = 0, tsauxc, sec, nsec, tsicr = rd32(E1000_TSICR);
if (tsicr & TSINTR_SYS_WRAP) {
event.type = PTP_CLOCK_PPS;
if (adapter->ptp_caps.pps)
ptp_clock_event(adapter->ptp_clock, &event);
- ack |= TSINTR_SYS_WRAP;
}
if (tsicr & E1000_TSICR_TXTS) {
/* retrieve hardware timestamp */
schedule_work(&adapter->ptp_tx_work);
- ack |= E1000_TSICR_TXTS;
- }
-
- if (tsicr & TSINTR_TT0) {
- spin_lock(&adapter->tmreg_lock);
- ts = timespec64_add(adapter->perout[0].start,
- adapter->perout[0].period);
- /* u32 conversion of tv_sec is safe until y2106 */
- wr32(E1000_TRGTTIML0, ts.tv_nsec);
- wr32(E1000_TRGTTIMH0, (u32)ts.tv_sec);
- tsauxc = rd32(E1000_TSAUXC);
- tsauxc |= TSAUXC_EN_TT0;
- wr32(E1000_TSAUXC, tsauxc);
- adapter->perout[0].start = ts;
- spin_unlock(&adapter->tmreg_lock);
- ack |= TSINTR_TT0;
- }
-
- if (tsicr & TSINTR_TT1) {
- spin_lock(&adapter->tmreg_lock);
- ts = timespec64_add(adapter->perout[1].start,
- adapter->perout[1].period);
- wr32(E1000_TRGTTIML1, ts.tv_nsec);
- wr32(E1000_TRGTTIMH1, (u32)ts.tv_sec);
- tsauxc = rd32(E1000_TSAUXC);
- tsauxc |= TSAUXC_EN_TT1;
- wr32(E1000_TSAUXC, tsauxc);
- adapter->perout[1].start = ts;
- spin_unlock(&adapter->tmreg_lock);
- ack |= TSINTR_TT1;
- }
-
- if (tsicr & TSINTR_AUTT0) {
- nsec = rd32(E1000_AUXSTMPL0);
- sec = rd32(E1000_AUXSTMPH0);
- event.type = PTP_CLOCK_EXTTS;
- event.index = 0;
- event.timestamp = sec * 1000000000ULL + nsec;
- ptp_clock_event(adapter->ptp_clock, &event);
- ack |= TSINTR_AUTT0;
- }
-
- if (tsicr & TSINTR_AUTT1) {
- nsec = rd32(E1000_AUXSTMPL1);
- sec = rd32(E1000_AUXSTMPH1);
- event.type = PTP_CLOCK_EXTTS;
- event.index = 1;
- event.timestamp = sec * 1000000000ULL + nsec;
- ptp_clock_event(adapter->ptp_clock, &event);
- ack |= TSINTR_AUTT1;
- }
-
- /* acknowledge the interrupts */
- wr32(E1000_TSICR, ack);
+ }
+
+ if (tsicr & TSINTR_TT0)
+ igb_perout(adapter, 0);
+
+ if (tsicr & TSINTR_TT1)
+ igb_perout(adapter, 1);
+
+ if (tsicr & TSINTR_AUTT0)
+ igb_extts(adapter, 0);
+
+ if (tsicr & TSINTR_AUTT1)
+ igb_extts(adapter, 1);
}
static irqreturn_t igb_msix_other(int irq, void *data)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
index 95c92fe89..ed35e0653 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
@@ -123,14 +123,14 @@ static s32 ixgbe_init_phy_ops_82598(struct ixgbe_hw *hw)
if (ret_val)
return ret_val;
if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
/* Check to see if SFP+ module is supported */
ret_val = ixgbe_get_sfp_init_sequence_offsets(hw,
&list_offset,
&data_offset);
if (ret_val)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
break;
default:
break;
@@ -213,7 +213,7 @@ static s32 ixgbe_get_link_capabilities_82598(struct ixgbe_hw *hw,
break;
default:
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
}
return 0;
@@ -283,7 +283,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
/* Validate the water mark configuration */
if (!hw->fc.pause_time)
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
/* Low water mark of zero causes XOFF floods */
for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
@@ -292,7 +292,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
if (!hw->fc.low_water[i] ||
hw->fc.low_water[i] >= hw->fc.high_water[i]) {
hw_dbg(hw, "Invalid water mark configuration\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
}
}
@@ -369,7 +369,7 @@ static s32 ixgbe_fc_enable_82598(struct ixgbe_hw *hw)
break;
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
/* Set 802.3x based flow control settings. */
@@ -438,7 +438,7 @@ static s32 ixgbe_start_mac_link_82598(struct ixgbe_hw *hw,
msleep(100);
}
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
- status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ status = -EIO;
hw_dbg(hw, "Autonegotiation did not complete.\n");
}
}
@@ -478,7 +478,7 @@ static s32 ixgbe_validate_link_ready(struct ixgbe_hw *hw)
if (timeout == IXGBE_VALIDATE_LINK_READY_TIMEOUT) {
hw_dbg(hw, "Link was indicated but link is down\n");
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
}
return 0;
@@ -594,7 +594,7 @@ static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw,
speed &= link_capabilities;
if (speed == IXGBE_LINK_SPEED_UNKNOWN)
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;
/* Set KX4/KX support according to speed requested */
else if (link_mode == IXGBE_AUTOC_LMS_KX4_AN ||
@@ -701,9 +701,9 @@ static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
/* Init PHY and function pointers, perform SFP setup */
phy_status = hw->phy.ops.init(hw);
- if (phy_status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (phy_status == -EOPNOTSUPP)
return phy_status;
- if (phy_status == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (phy_status == -ENOENT)
goto mac_reset_top;
hw->phy.ops.reset(hw);
@@ -727,7 +727,7 @@ mac_reset_top:
udelay(1);
}
if (ctrl & IXGBE_CTRL_RST) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
@@ -789,7 +789,7 @@ static s32 ixgbe_set_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
@@ -814,7 +814,7 @@ static s32 ixgbe_clear_vmdq_82598(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
@@ -845,7 +845,7 @@ static s32 ixgbe_set_vfta_82598(struct ixgbe_hw *hw, u32 vlan, u32 vind,
u32 vftabyte;
if (vlan > 4095)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* Determine 32-bit word position in array */
regindex = (vlan >> 5) & 0x7F; /* upper seven bits */
@@ -964,7 +964,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
gssr = IXGBE_GSSR_PHY0_SM;
if (hw->mac.ops.acquire_swfw_sync(hw, gssr) != 0)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
if (hw->phy.type == ixgbe_phy_nl) {
/*
@@ -993,7 +993,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
if (sfp_stat != IXGBE_I2C_EEPROM_STATUS_PASS) {
hw_dbg(hw, "EEPROM read did not pass.\n");
- status = IXGBE_ERR_SFP_NOT_PRESENT;
+ status = -ENOENT;
goto out;
}
@@ -1003,7 +1003,7 @@ static s32 ixgbe_read_i2c_phy_82598(struct ixgbe_hw *hw, u8 dev_addr,
*eeprom_data = (u8)(sfp_data >> 8);
} else {
- status = IXGBE_ERR_PHY;
+ status = -EIO;
}
out:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index 8d3798a32..46ed20005 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -117,7 +117,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
ret_val = hw->mac.ops.acquire_swfw_sync(hw,
IXGBE_GSSR_MAC_CSR_SM);
if (ret_val)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
if (hw->eeprom.ops.read(hw, ++data_offset, &data_value))
goto setup_sfp_err;
@@ -144,7 +144,7 @@ static s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
if (ret_val) {
hw_dbg(hw, " sfp module setup not complete\n");
- return IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
+ return -EIO;
}
}
@@ -159,7 +159,7 @@ setup_sfp_err:
usleep_range(hw->eeprom.semaphore_delay * 1000,
hw->eeprom.semaphore_delay * 2000);
hw_err(hw, "eeprom read at offset %d failed\n", data_offset);
- return IXGBE_ERR_SFP_SETUP_NOT_COMPLETE;
+ return -EIO;
}
/**
@@ -184,7 +184,7 @@ static s32 prot_autoc_read_82599(struct ixgbe_hw *hw, bool *locked,
ret_val = hw->mac.ops.acquire_swfw_sync(hw,
IXGBE_GSSR_MAC_CSR_SM);
if (ret_val)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
*locked = true;
}
@@ -219,7 +219,7 @@ static s32 prot_autoc_write_82599(struct ixgbe_hw *hw, u32 autoc, bool locked)
ret_val = hw->mac.ops.acquire_swfw_sync(hw,
IXGBE_GSSR_MAC_CSR_SM);
if (ret_val)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
locked = true;
}
@@ -400,7 +400,7 @@ static s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
break;
default:
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
}
if (hw->phy.multispeed_fiber) {
@@ -541,7 +541,7 @@ static s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
msleep(100);
}
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
- status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ status = -EIO;
hw_dbg(hw, "Autoneg did not complete.\n");
}
}
@@ -794,7 +794,7 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
speed &= link_capabilities;
if (speed == IXGBE_LINK_SPEED_UNKNOWN)
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;
/* Use stored value (EEPROM defaults) of AUTOC to find KR/KX4 support*/
if (hw->mac.orig_link_settings_stored)
@@ -861,8 +861,7 @@ static s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw,
msleep(100);
}
if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
- status =
- IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ status = -EIO;
hw_dbg(hw, "Autoneg did not complete.\n");
}
}
@@ -927,7 +926,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
/* Identify PHY and related function pointers */
status = hw->phy.ops.init(hw);
- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status == -EOPNOTSUPP)
return status;
/* Setup SFP module if there is one present. */
@@ -936,7 +935,7 @@ static s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
hw->phy.sfp_setup_needed = false;
}
- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status == -EOPNOTSUPP)
return status;
/* Reset PHY */
@@ -974,7 +973,7 @@ mac_reset_top:
}
if (ctrl & IXGBE_CTRL_RST_MASK) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
@@ -1093,7 +1092,7 @@ static s32 ixgbe_fdir_check_cmd_complete(struct ixgbe_hw *hw, u32 *fdircmd)
udelay(10);
}
- return IXGBE_ERR_FDIR_CMD_INCOMPLETE;
+ return -EIO;
}
/**
@@ -1155,7 +1154,7 @@ s32 ixgbe_reinit_fdir_tables_82599(struct ixgbe_hw *hw)
}
if (i >= IXGBE_FDIR_INIT_DONE_POLL) {
hw_dbg(hw, "Flow Director Signature poll time exceeded!\n");
- return IXGBE_ERR_FDIR_REINIT_FAILED;
+ return -EIO;
}
/* Clear FDIR statistics registers (read to clear) */
@@ -1387,7 +1386,7 @@ s32 ixgbe_fdir_add_signature_filter_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on flow type input\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
/* configure FDIRCMD register */
@@ -1546,7 +1545,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on vm pool mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
switch (input_mask->formatted.flow_type & IXGBE_ATR_L4TYPE_MASK) {
@@ -1555,13 +1554,13 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
if (input_mask->formatted.dst_port ||
input_mask->formatted.src_port) {
hw_dbg(hw, " Error on src/dst port mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
case IXGBE_ATR_L4TYPE_MASK:
break;
default:
hw_dbg(hw, " Error on flow type mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
switch (ntohs(input_mask->formatted.vlan_id) & 0xEFFF) {
@@ -1582,7 +1581,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on VLAN mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
switch ((__force u16)input_mask->formatted.flex_bytes & 0xFFFF) {
@@ -1594,7 +1593,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
break;
default:
hw_dbg(hw, " Error on flexible byte mask\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
/* Now mask VM pool and destination IPv6 - bits 5 and 2 */
@@ -1823,7 +1822,7 @@ static s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
/* Return error if SFP module has been detected but is not supported */
if (hw->phy.type == ixgbe_phy_sfp_unsupported)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
return status;
}
@@ -1862,13 +1861,13 @@ static s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
* Verifies that installed the firmware version is 0.6 or higher
* for SFI devices. All 82599 SFI devices should have version 0.6 or higher.
*
- * Returns IXGBE_ERR_EEPROM_VERSION if the FW is not present or
- * if the FW version is not supported.
+ * Return: -EACCES if the FW is not present or if the FW version is
+ * not supported.
**/
static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
{
- s32 status = IXGBE_ERR_EEPROM_VERSION;
u16 fw_offset, fw_ptp_cfg_offset;
+ s32 status = -EACCES;
u16 offset;
u16 fw_version = 0;
@@ -1882,7 +1881,7 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
goto fw_version_err;
if (fw_offset == 0 || fw_offset == 0xFFFF)
- return IXGBE_ERR_EEPROM_VERSION;
+ return -EACCES;
/* get the offset to the Pass Through Patch Configuration block */
offset = fw_offset + IXGBE_FW_PASSTHROUGH_PATCH_CONFIG_PTR;
@@ -1890,7 +1889,7 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
goto fw_version_err;
if (fw_ptp_cfg_offset == 0 || fw_ptp_cfg_offset == 0xFFFF)
- return IXGBE_ERR_EEPROM_VERSION;
+ return -EACCES;
/* get the firmware version */
offset = fw_ptp_cfg_offset + IXGBE_FW_PATCH_VERSION_4;
@@ -1904,7 +1903,7 @@ static s32 ixgbe_verify_fw_version_82599(struct ixgbe_hw *hw)
fw_version_err:
hw_err(hw, "eeprom read at offset %d failed\n", offset);
- return IXGBE_ERR_EEPROM_VERSION;
+ return -EACCES;
}
/**
@@ -2037,7 +2036,7 @@ static s32 ixgbe_reset_pipeline_82599(struct ixgbe_hw *hw)
if (!(anlp1_reg & IXGBE_ANLP1_AN_STATE_MASK)) {
hw_dbg(hw, "auto negotiation not completed\n");
- ret_val = IXGBE_ERR_RESET_FAILED;
+ ret_val = -EIO;
goto reset_pipeline_out;
}
@@ -2086,7 +2085,7 @@ static s32 ixgbe_read_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
if (!timeout) {
hw_dbg(hw, "Driver can't access resource, acquiring I2C bus timeout.\n");
- status = IXGBE_ERR_I2C;
+ status = -EIO;
goto release_i2c_access;
}
}
@@ -2140,7 +2139,7 @@ static s32 ixgbe_write_i2c_byte_82599(struct ixgbe_hw *hw, u8 byte_offset,
if (!timeout) {
hw_dbg(hw, "Driver can't access resource, acquiring I2C bus timeout.\n");
- status = IXGBE_ERR_I2C;
+ status = -EIO;
goto release_i2c_access;
}
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 62ddb452f..22595d221 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -30,7 +30,7 @@ static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
u16 words, u16 *data);
static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
u16 offset);
-static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw);
+static s32 ixgbe_disable_pcie_primary(struct ixgbe_hw *hw);
/* Base table for registers values that change by MAC */
const u32 ixgbe_mvals_8259X[IXGBE_MVALS_IDX_LIMIT] = {
@@ -123,7 +123,7 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw)
*/
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_dbg(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
/*
@@ -214,7 +214,7 @@ s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw)
break;
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
if (hw->mac.type != ixgbe_mac_X540) {
@@ -499,7 +499,7 @@ s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
if (pba_num == NULL) {
hw_dbg(hw, "PBA string buffer was null\n");
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM0_PTR, &data);
@@ -525,7 +525,7 @@ s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
/* we will need 11 characters to store the PBA */
if (pba_num_size < 11) {
hw_dbg(hw, "PBA string buffer too small\n");
- return IXGBE_ERR_NO_SPACE;
+ return -ENOSPC;
}
/* extract hex string from data and pba_ptr */
@@ -562,13 +562,13 @@ s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
if (length == 0xFFFF || length == 0) {
hw_dbg(hw, "NVM PBA number section invalid length\n");
- return IXGBE_ERR_PBA_SECTION;
+ return -EIO;
}
/* check if pba_num buffer is big enough */
if (pba_num_size < (((u32)length * 2) - 1)) {
hw_dbg(hw, "PBA string buffer too small\n");
- return IXGBE_ERR_NO_SPACE;
+ return -ENOSPC;
}
/* trim pba length from start of string */
@@ -745,10 +745,10 @@ s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw)
usleep_range(1000, 2000);
/*
- * Prevent the PCI-E bus from from hanging by disabling PCI-E master
+ * Prevent the PCI-E bus from hanging by disabling PCI-E primary
* access and verify no pending requests
*/
- return ixgbe_disable_pcie_master(hw);
+ return ixgbe_disable_pcie_primary(hw);
}
/**
@@ -804,7 +804,7 @@ s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index)
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* To turn on the LED, set mode to ON. */
led_reg &= ~IXGBE_LED_MODE_MASK(index);
@@ -825,7 +825,7 @@ s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index)
u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* To turn off the LED, set mode to OFF. */
led_reg &= ~IXGBE_LED_MODE_MASK(index);
@@ -903,11 +903,8 @@ s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
hw->eeprom.ops.init_params(hw);
- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset + words > hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || (offset + words > hw->eeprom.word_size))
+ return -EINVAL;
/*
* The EEPROM page size cannot be queried from the chip. We do lazy
@@ -961,7 +958,7 @@ static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
if (ixgbe_ready_eeprom(hw) != 0) {
ixgbe_release_eeprom(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
for (i = 0; i < words; i++) {
@@ -1027,7 +1024,7 @@ s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
hw->eeprom.ops.init_params(hw);
if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ return -EINVAL;
return ixgbe_write_eeprom_buffer_bit_bang(hw, offset, 1, &data);
}
@@ -1049,11 +1046,8 @@ s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
hw->eeprom.ops.init_params(hw);
- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset + words > hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || (offset + words > hw->eeprom.word_size))
+ return -EINVAL;
/*
* We cannot hold synchronization semaphores for too long
@@ -1098,7 +1092,7 @@ static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
if (ixgbe_ready_eeprom(hw) != 0) {
ixgbe_release_eeprom(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
for (i = 0; i < words; i++) {
@@ -1141,7 +1135,7 @@ s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
hw->eeprom.ops.init_params(hw);
if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ return -EINVAL;
return ixgbe_read_eeprom_buffer_bit_bang(hw, offset, 1, data);
}
@@ -1164,11 +1158,8 @@ s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,
hw->eeprom.ops.init_params(hw);
- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || offset >= hw->eeprom.word_size)
+ return -EINVAL;
for (i = 0; i < words; i++) {
eerd = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
@@ -1261,11 +1252,8 @@ s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,
hw->eeprom.ops.init_params(hw);
- if (words == 0)
- return IXGBE_ERR_INVALID_ARGUMENT;
-
- if (offset >= hw->eeprom.word_size)
- return IXGBE_ERR_EEPROM;
+ if (words == 0 || offset >= hw->eeprom.word_size)
+ return -EINVAL;
for (i = 0; i < words; i++) {
eewr = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
@@ -1327,7 +1315,7 @@ static s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
}
udelay(5);
}
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/**
@@ -1343,7 +1331,7 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
u32 i;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) != 0)
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
eec = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
@@ -1365,7 +1353,7 @@ static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
hw_dbg(hw, "Could not acquire EEPROM grant\n");
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/* Setup EEPROM for Read/Write */
@@ -1418,7 +1406,7 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
swsm = IXGBE_READ_REG(hw, IXGBE_SWSM(hw));
if (swsm & IXGBE_SWSM_SMBI) {
hw_dbg(hw, "Software semaphore SMBI between device drivers not granted.\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
}
@@ -1446,7 +1434,7 @@ static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
if (i >= timeout) {
hw_dbg(hw, "SWESMBI Software EEPROM semaphore not granted.\n");
ixgbe_release_eeprom_semaphore(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
return 0;
@@ -1502,7 +1490,7 @@ static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw)
*/
if (i >= IXGBE_EEPROM_MAX_RETRY_SPI) {
hw_dbg(hw, "SPI EEPROM Status error\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
return 0;
@@ -1714,7 +1702,7 @@ s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
if (hw->eeprom.ops.read(hw, i, &pointer)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/* If the pointer seems invalid */
@@ -1723,7 +1711,7 @@ s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
if (hw->eeprom.ops.read(hw, pointer, &length)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
if (length == 0xFFFF || length == 0)
@@ -1732,7 +1720,7 @@ s32 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
for (j = pointer + 1; j <= pointer + length; j++) {
if (hw->eeprom.ops.read(hw, j, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
checksum += word;
}
@@ -1785,7 +1773,7 @@ s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
* calculated checksum
*/
if (read_checksum != checksum)
- status = IXGBE_ERR_EEPROM_CHECKSUM;
+ status = -EIO;
/* If the user cares, return the calculated checksum */
if (checksum_val)
@@ -1844,7 +1832,7 @@ s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", index);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
/* setup VMDq pool selection before this RAR gets enabled */
@@ -1896,7 +1884,7 @@ s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index)
/* Make sure we are using a valid rar index range */
if (index >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", index);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
/*
@@ -2145,7 +2133,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
/* Validate the water mark configuration. */
if (!hw->fc.pause_time)
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
/* Low water mark of zero causes XOFF floods */
for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
@@ -2154,7 +2142,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
if (!hw->fc.low_water[i] ||
hw->fc.low_water[i] >= hw->fc.high_water[i]) {
hw_dbg(hw, "Invalid water mark configuration\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
}
}
@@ -2211,7 +2199,7 @@ s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
break;
default:
hw_dbg(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
/* Set 802.3x based flow control settings. */
@@ -2268,7 +2256,7 @@ s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
{
if ((!(adv_reg)) || (!(lp_reg)))
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EINVAL;
if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
/*
@@ -2320,7 +2308,7 @@ static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
if ((!!(linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
(!!(linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1))
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EIO;
pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
@@ -2352,12 +2340,12 @@ static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
*/
links = IXGBE_READ_REG(hw, IXGBE_LINKS);
if ((links & IXGBE_LINKS_KX_AN_COMP) == 0)
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EIO;
if (hw->mac.type == ixgbe_mac_82599EB) {
links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0)
- return IXGBE_ERR_FC_NOT_NEGOTIATED;
+ return -EIO;
}
/*
* Read the 10g AN autoc and LP ability registers and resolve
@@ -2406,8 +2394,8 @@ static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
**/
void ixgbe_fc_autoneg(struct ixgbe_hw *hw)
{
- s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
ixgbe_link_speed speed;
+ s32 ret_val = -EIO;
bool link_up;
/*
@@ -2505,15 +2493,15 @@ static u32 ixgbe_pcie_timeout_poll(struct ixgbe_hw *hw)
}
/**
- * ixgbe_disable_pcie_master - Disable PCI-express master access
+ * ixgbe_disable_pcie_primary - Disable PCI-express primary access
* @hw: pointer to hardware structure
*
- * Disables PCI-Express master access and verifies there are no pending
- * requests. IXGBE_ERR_MASTER_REQUESTS_PENDING is returned if master disable
- * bit hasn't caused the master requests to be disabled, else 0
- * is returned signifying master requests disabled.
+ * Disables PCI-Express primary access and verifies there are no pending
+ * requests. -EALREADY is returned if primary disable
+ * bit hasn't caused the primary requests to be disabled, else 0
+ * is returned signifying primary requests disabled.
**/
-static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
+static s32 ixgbe_disable_pcie_primary(struct ixgbe_hw *hw)
{
u32 i, poll;
u16 value;
@@ -2522,23 +2510,23 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
IXGBE_WRITE_REG(hw, IXGBE_CTRL, IXGBE_CTRL_GIO_DIS);
/* Poll for bit to read as set */
- for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ for (i = 0; i < IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT; i++) {
if (IXGBE_READ_REG(hw, IXGBE_CTRL) & IXGBE_CTRL_GIO_DIS)
break;
usleep_range(100, 120);
}
- if (i >= IXGBE_PCI_MASTER_DISABLE_TIMEOUT) {
+ if (i >= IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT) {
hw_dbg(hw, "GIO disable did not set - requesting resets\n");
goto gio_disable_fail;
}
- /* Exit if master requests are blocked */
+ /* Exit if primary requests are blocked */
if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO) ||
ixgbe_removed(hw->hw_addr))
return 0;
- /* Poll for master request bit to clear */
- for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ /* Poll for primary request bit to clear */
+ for (i = 0; i < IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT; i++) {
udelay(100);
if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO))
return 0;
@@ -2546,13 +2534,13 @@ static s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
/*
* Two consecutive resets are required via CTRL.RST per datasheet
- * 5.2.5.3.2 Master Disable. We set a flag to inform the reset routine
- * of this need. The first reset prevents new master requests from
+ * 5.2.5.3.2 Primary Disable. We set a flag to inform the reset routine
+ * of this need. The first reset prevents new primary requests from
* being issued by our device. We then must wait 1usec or more for any
* remaining completions from the PCIe bus to trickle in, and then reset
* again to clear out any effects they may have had on our device.
*/
- hw_dbg(hw, "GIO Master Disable bit didn't clear - requesting resets\n");
+ hw_dbg(hw, "GIO Primary Disable bit didn't clear - requesting resets\n");
gio_disable_fail:
hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
@@ -2574,7 +2562,7 @@ gio_disable_fail:
}
hw_dbg(hw, "PCIe transaction pending bit also did not clear.\n");
- return IXGBE_ERR_MASTER_REQUESTS_PENDING;
+ return -EALREADY;
}
/**
@@ -2599,7 +2587,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask)
* SW_FW_SYNC bits (not just NVM)
*/
if (ixgbe_get_eeprom_semaphore(hw))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
if (!(gssr & (fwmask | swmask))) {
@@ -2619,7 +2607,7 @@ s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u32 mask)
ixgbe_release_swfw_sync(hw, gssr & (fwmask | swmask));
usleep_range(5000, 10000);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
/**
@@ -2756,7 +2744,7 @@ s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index)
s32 ret_val;
if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/*
* Link must be up to auto-blink the LEDs;
@@ -2802,7 +2790,7 @@ s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
s32 ret_val;
if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
ret_val = hw->mac.ops.prot_autoc_read(hw, &locked, &autoc_reg);
if (ret_val)
@@ -2962,7 +2950,7 @@ s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
@@ -3013,7 +3001,7 @@ s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
/* Make sure we are using a valid rar index range */
if (rar >= rar_entries) {
hw_dbg(hw, "RAR index %d is out of range.\n", rar);
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
if (vmdq < 32) {
@@ -3090,7 +3078,7 @@ static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass)
* will simply bypass the VLVF if there are no entries present in the
* VLVF that contain our VLAN
*/
- first_empty_slot = vlvf_bypass ? IXGBE_ERR_NO_SPACE : 0;
+ first_empty_slot = vlvf_bypass ? -ENOSPC : 0;
/* add VLAN enable bit for comparison */
vlan |= IXGBE_VLVF_VIEN;
@@ -3114,7 +3102,7 @@ static s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan, bool vlvf_bypass)
if (!first_empty_slot)
hw_dbg(hw, "No space in VLVF.\n");
- return first_empty_slot ? : IXGBE_ERR_NO_SPACE;
+ return first_empty_slot ? : -ENOSPC;
}
/**
@@ -3134,7 +3122,7 @@ s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
s32 vlvf_index;
if ((vlan > 4095) || (vind > 63))
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/*
* this is a 2 part operation - first the VFTA, then the
@@ -3595,7 +3583,8 @@ u8 ixgbe_calculate_checksum(u8 *buffer, u32 length)
*
* Communicates with the manageability block. On success return 0
* else returns semaphore error when encountering an error acquiring
- * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ * semaphore, -EINVAL when incorrect parameters passed or -EIO when
+ * command fails.
*
* This function assumes that the IXGBE_GSSR_SW_MNG_SM semaphore is held
* by the caller.
@@ -3608,7 +3597,7 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
if (!length || length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
hw_dbg(hw, "Buffer length failure buffersize-%d.\n", length);
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EINVAL;
}
/* Set bit 9 of FWSTS clearing FW reset indication */
@@ -3619,13 +3608,13 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
hicr = IXGBE_READ_REG(hw, IXGBE_HICR);
if (!(hicr & IXGBE_HICR_EN)) {
hw_dbg(hw, "IXGBE_HOST_EN bit disabled.\n");
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
}
/* Calculate length in DWORDs. We must be DWORD aligned */
if (length % sizeof(u32)) {
hw_dbg(hw, "Buffer length failure, not aligned to dword");
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
}
dword_len = length >> 2;
@@ -3650,7 +3639,7 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
/* Check command successful completion. */
if ((timeout && i == timeout) ||
!(IXGBE_READ_REG(hw, IXGBE_HICR) & IXGBE_HICR_SV))
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
return 0;
}
@@ -3670,7 +3659,7 @@ s32 ixgbe_hic_unlocked(struct ixgbe_hw *hw, u32 *buffer, u32 length,
* in these cases.
*
* Communicates with the manageability block. On success return 0
- * else return IXGBE_ERR_HOST_INTERFACE_COMMAND.
+ * else return -EIO or -EINVAL.
**/
s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,
u32 length, u32 timeout,
@@ -3687,7 +3676,7 @@ s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,
if (!length || length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
hw_dbg(hw, "Buffer length failure buffersize-%d.\n", length);
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EINVAL;
}
/* Take management host interface semaphore */
status = hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_SW_MNG_SM);
@@ -3717,7 +3706,7 @@ s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, void *buffer,
if (length < round_up(buf_len, 4) + hdr_size) {
hw_dbg(hw, "Buffer not large enough for reply message.\n");
- status = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ status = -EIO;
goto rel_out;
}
@@ -3748,8 +3737,8 @@ rel_out:
*
* Sends driver version number to firmware through the manageability
* block. On success return 0
- * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
- * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ * else returns -EBUSY when encountering an error acquiring
+ * semaphore or -EIO when command fails.
**/
s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
u8 build, u8 sub, __always_unused u16 len,
@@ -3785,7 +3774,7 @@ s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
FW_CEM_RESP_STATUS_SUCCESS)
ret_val = 0;
else
- ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ ret_val = -EIO;
break;
}
@@ -3883,14 +3872,14 @@ static s32 ixgbe_get_ets_data(struct ixgbe_hw *hw, u16 *ets_cfg,
return status;
if ((*ets_offset == 0x0000) || (*ets_offset == 0xFFFF))
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
status = hw->eeprom.ops.read(hw, *ets_offset, ets_cfg);
if (status)
return status;
if ((*ets_cfg & IXGBE_ETS_TYPE_MASK) != IXGBE_ETS_TYPE_EMC_SHIFTED)
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
return 0;
}
@@ -3913,7 +3902,7 @@ s32 ixgbe_get_thermal_sensor_data_generic(struct ixgbe_hw *hw)
/* Only support thermal sensors attached to physical port 0 */
if ((IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1))
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
status = ixgbe_get_ets_data(hw, &ets_cfg, &ets_offset);
if (status)
@@ -3973,7 +3962,7 @@ s32 ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw)
/* Only support thermal sensors attached to physical port 0 */
if ((IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1))
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
status = ixgbe_get_ets_data(hw, &ets_cfg, &ets_offset);
if (status)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 2eb133183..93532f3a3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -3346,7 +3346,7 @@ static int ixgbe_get_module_eeprom(struct net_device *dev,
{
struct ixgbe_adapter *adapter = netdev_priv(dev);
struct ixgbe_hw *hw = &adapter->hw;
- s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
+ s32 status = -EFAULT;
u8 databyte = 0xFF;
int i = 0;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index 319620856..512da34e7 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -909,7 +909,13 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
goto err_out;
}
- xs = kzalloc(sizeof(*xs), GFP_KERNEL);
+ algo = xfrm_aead_get_byname(aes_gcm_name, IXGBE_IPSEC_AUTH_BITS, 1);
+ if (unlikely(!algo)) {
+ err = -ENOENT;
+ goto err_out;
+ }
+
+ xs = kzalloc(sizeof(*xs), GFP_ATOMIC);
if (unlikely(!xs)) {
err = -ENOMEM;
goto err_out;
@@ -925,14 +931,8 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
memcpy(&xs->id.daddr.a4, sam->addr, sizeof(xs->id.daddr.a4));
xs->xso.dev = adapter->netdev;
- algo = xfrm_aead_get_byname(aes_gcm_name, IXGBE_IPSEC_AUTH_BITS, 1);
- if (unlikely(!algo)) {
- err = -ENOENT;
- goto err_xs;
- }
-
aead_len = sizeof(*xs->aead) + IXGBE_IPSEC_KEY_BITS / 8;
- xs->aead = kzalloc(aead_len, GFP_KERNEL);
+ xs->aead = kzalloc(aead_len, GFP_ATOMIC);
if (unlikely(!xs->aead)) {
err = -ENOMEM;
goto err_xs;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 5829d81f2..b7672200d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2766,7 +2766,6 @@ static void ixgbe_check_overtemp_subtask(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
u32 eicr = adapter->interrupt_event;
- s32 rc;
if (test_bit(__IXGBE_DOWN, &adapter->state))
return;
@@ -2800,14 +2799,13 @@ static void ixgbe_check_overtemp_subtask(struct ixgbe_adapter *adapter)
}
/* Check if this is not due to overtemp */
- if (hw->phy.ops.check_overtemp(hw) != IXGBE_ERR_OVERTEMP)
+ if (!hw->phy.ops.check_overtemp(hw))
return;
break;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
- rc = hw->phy.ops.check_overtemp(hw);
- if (rc != IXGBE_ERR_OVERTEMP)
+ if (!hw->phy.ops.check_overtemp(hw))
return;
break;
default:
@@ -2951,8 +2949,8 @@ static void ixgbe_check_lsc(struct ixgbe_adapter *adapter)
static inline void ixgbe_irq_enable_queues(struct ixgbe_adapter *adapter,
u64 qmask)
{
- u32 mask;
struct ixgbe_hw *hw = &adapter->hw;
+ u32 mask;
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
@@ -5520,7 +5518,7 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
{
u32 speed;
bool autoneg, link_up = false;
- int ret = IXGBE_ERR_LINK_SETUP;
+ int ret = -EIO;
if (hw->mac.ops.check_link)
ret = hw->mac.ops.check_link(hw, &speed, &link_up, false);
@@ -5946,13 +5944,13 @@ void ixgbe_reset(struct ixgbe_adapter *adapter)
err = hw->mac.ops.init_hw(hw);
switch (err) {
case 0:
- case IXGBE_ERR_SFP_NOT_PRESENT:
- case IXGBE_ERR_SFP_NOT_SUPPORTED:
+ case -ENOENT:
+ case -EOPNOTSUPP:
break;
- case IXGBE_ERR_MASTER_REQUESTS_PENDING:
- e_dev_err("master disable timed out\n");
+ case -EALREADY:
+ e_dev_err("primary disable timed out\n");
break;
- case IXGBE_ERR_EEPROM_VERSION:
+ case -EACCES:
/* We are running on a pre-production device, log a warning */
e_dev_warn("This device is a pre-production adapter/LOM. "
"Please be aware there may be issues associated with "
@@ -7735,10 +7733,10 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
adapter->sfp_poll_time = jiffies + IXGBE_SFP_POLL_JIFFIES - 1;
err = hw->phy.ops.identify_sfp(hw);
- if (err == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (err == -EOPNOTSUPP)
goto sfp_out;
- if (err == IXGBE_ERR_SFP_NOT_PRESENT) {
+ if (err == -ENOENT) {
/* If no cable is present, then we need to reset
* the next time we find a good cable. */
adapter->flags2 |= IXGBE_FLAG2_SFP_NEEDS_RESET;
@@ -7764,7 +7762,7 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
else
err = hw->mac.ops.setup_sfp(hw);
- if (err == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (err == -EOPNOTSUPP)
goto sfp_out;
adapter->flags |= IXGBE_FLAG_NEED_LINK_CONFIG;
@@ -7773,8 +7771,8 @@ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter)
sfp_out:
clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
- if ((err == IXGBE_ERR_SFP_NOT_SUPPORTED) &&
- (adapter->netdev->reg_state == NETREG_REGISTERED)) {
+ if (err == -EOPNOTSUPP &&
+ adapter->netdev->reg_state == NETREG_REGISTERED) {
e_dev_err("failed to initialize because an unsupported "
"SFP+ module type was detected.\n");
e_dev_err("Reload the driver after installing a "
@@ -7844,7 +7842,7 @@ static void ixgbe_service_timer(struct timer_list *t)
static void ixgbe_phy_interrupt_subtask(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
- u32 status;
+ bool overtemp;
if (!(adapter->flags2 & IXGBE_FLAG2_PHY_INTERRUPT))
return;
@@ -7854,11 +7852,9 @@ static void ixgbe_phy_interrupt_subtask(struct ixgbe_adapter *adapter)
if (!hw->phy.ops.handle_lasi)
return;
- status = hw->phy.ops.handle_lasi(&adapter->hw);
- if (status != IXGBE_ERR_OVERTEMP)
- return;
-
- e_crit(drv, "%s\n", ixgbe_overheat_msg);
+ hw->phy.ops.handle_lasi(&adapter->hw, &overtemp);
+ if (overtemp)
+ e_crit(drv, "%s\n", ixgbe_overheat_msg);
}
static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter)
@@ -10399,6 +10395,44 @@ static void ixgbe_reset_rxr_stats(struct ixgbe_ring *rx_ring)
}
/**
+ * ixgbe_irq_disable_single - Disable single IRQ vector
+ * @adapter: adapter structure
+ * @ring: ring index
+ **/
+static void ixgbe_irq_disable_single(struct ixgbe_adapter *adapter, u32 ring)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u64 qmask = BIT_ULL(ring);
+ u32 mask;
+
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
+ mask = qmask & IXGBE_EIMC_RTX_QUEUE;
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, mask);
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ case ixgbe_mac_X550:
+ case ixgbe_mac_X550EM_x:
+ case ixgbe_mac_x550em_a:
+ mask = (qmask & 0xFFFFFFFF);
+ if (mask)
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask);
+ mask = (qmask >> 32);
+ if (mask)
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask);
+ break;
+ default:
+ break;
+ }
+ IXGBE_WRITE_FLUSH(&adapter->hw);
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
+ synchronize_irq(adapter->msix_entries[ring].vector);
+ else
+ synchronize_irq(adapter->pdev->irq);
+}
+
+/**
* ixgbe_txrx_ring_disable - Disable Rx/Tx/XDP Tx rings
* @adapter: adapter structure
* @ring: ring index
@@ -10414,6 +10448,11 @@ void ixgbe_txrx_ring_disable(struct ixgbe_adapter *adapter, int ring)
tx_ring = adapter->tx_ring[ring];
xdp_ring = adapter->xdp_ring[ring];
+ ixgbe_irq_disable_single(adapter, ring);
+
+ /* Rx/Tx/XDP Tx share the same napi context. */
+ napi_disable(&rx_ring->q_vector->napi);
+
ixgbe_disable_txr(adapter, tx_ring);
if (xdp_ring)
ixgbe_disable_txr(adapter, xdp_ring);
@@ -10422,9 +10461,6 @@ void ixgbe_txrx_ring_disable(struct ixgbe_adapter *adapter, int ring)
if (xdp_ring)
synchronize_rcu();
- /* Rx/Tx/XDP Tx share the same napi context. */
- napi_disable(&rx_ring->q_vector->napi);
-
ixgbe_clean_tx_ring(tx_ring);
if (xdp_ring)
ixgbe_clean_tx_ring(xdp_ring);
@@ -10452,9 +10488,6 @@ void ixgbe_txrx_ring_enable(struct ixgbe_adapter *adapter, int ring)
tx_ring = adapter->tx_ring[ring];
xdp_ring = adapter->xdp_ring[ring];
- /* Rx/Tx/XDP Tx share the same napi context. */
- napi_enable(&rx_ring->q_vector->napi);
-
ixgbe_configure_tx_ring(adapter, tx_ring);
if (xdp_ring)
ixgbe_configure_tx_ring(adapter, xdp_ring);
@@ -10463,6 +10496,11 @@ void ixgbe_txrx_ring_enable(struct ixgbe_adapter *adapter, int ring)
clear_bit(__IXGBE_TX_DISABLED, &tx_ring->state);
if (xdp_ring)
clear_bit(__IXGBE_TX_DISABLED, &xdp_ring->state);
+
+ /* Rx/Tx/XDP Tx share the same napi context. */
+ napi_enable(&rx_ring->q_vector->napi);
+ ixgbe_irq_enable_queues(adapter, BIT_ULL(ring));
+ IXGBE_WRITE_FLUSH(&adapter->hw);
}
/**
@@ -10796,9 +10834,9 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
err = hw->mac.ops.reset_hw(hw);
hw->phy.reset_if_overtemp = false;
ixgbe_set_eee_capable(adapter);
- if (err == IXGBE_ERR_SFP_NOT_PRESENT) {
+ if (err == -ENOENT) {
err = 0;
- } else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
+ } else if (err == -EOPNOTSUPP) {
e_dev_err("failed to load because an unsupported SFP+ or QSFP module type was detected.\n");
e_dev_err("Reload the driver after installing a supported module.\n");
goto err_sw_init;
@@ -11015,7 +11053,7 @@ skip_sriov:
/* reset the hardware with the new settings */
err = hw->mac.ops.start_hw(hw);
- if (err == IXGBE_ERR_EEPROM_VERSION) {
+ if (err == -EACCES) {
/* We are running on a pre-production device, log a warning */
e_dev_warn("This device is a pre-production adapter/LOM. "
"Please be aware there may be issues associated "
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
index 5679293e5..fe7ef5773 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
@@ -24,7 +24,7 @@ s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
size = mbx->size;
if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
return mbx->ops->read(hw, msg, size, mbx_id);
}
@@ -43,10 +43,10 @@ s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;
if (size > mbx->size)
- return IXGBE_ERR_MBX;
+ return -EINVAL;
if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
return mbx->ops->write(hw, msg, size, mbx_id);
}
@@ -63,7 +63,7 @@ s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;
if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
return mbx->ops->check_for_msg(hw, mbx_id);
}
@@ -80,7 +80,7 @@ s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;
if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
return mbx->ops->check_for_ack(hw, mbx_id);
}
@@ -97,7 +97,7 @@ s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
struct ixgbe_mbx_info *mbx = &hw->mbx;
if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
return mbx->ops->check_for_rst(hw, mbx_id);
}
@@ -115,12 +115,12 @@ static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
int countdown = mbx->timeout;
if (!countdown || !mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
while (mbx->ops->check_for_msg(hw, mbx_id)) {
countdown--;
if (!countdown)
- return IXGBE_ERR_MBX;
+ return -EIO;
udelay(mbx->usec_delay);
}
@@ -140,12 +140,12 @@ static s32 ixgbe_poll_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
int countdown = mbx->timeout;
if (!countdown || !mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
while (mbx->ops->check_for_ack(hw, mbx_id)) {
countdown--;
if (!countdown)
- return IXGBE_ERR_MBX;
+ return -EIO;
udelay(mbx->usec_delay);
}
@@ -169,7 +169,7 @@ static s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
s32 ret_val;
if (!mbx->ops)
- return IXGBE_ERR_MBX;
+ return -EIO;
ret_val = ixgbe_poll_for_msg(hw, mbx_id);
if (ret_val)
@@ -197,7 +197,7 @@ static s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
/* exit if either we can't write or there isn't a defined timeout */
if (!mbx->ops || !mbx->timeout)
- return IXGBE_ERR_MBX;
+ return -EIO;
/* send msg */
ret_val = mbx->ops->write(hw, msg, size, mbx_id);
@@ -217,7 +217,7 @@ static s32 ixgbe_check_for_bit_pf(struct ixgbe_hw *hw, u32 mask, s32 index)
return 0;
}
- return IXGBE_ERR_MBX;
+ return -EIO;
}
/**
@@ -238,7 +238,7 @@ static s32 ixgbe_check_for_msg_pf(struct ixgbe_hw *hw, u16 vf_number)
return 0;
}
- return IXGBE_ERR_MBX;
+ return -EIO;
}
/**
@@ -259,7 +259,7 @@ static s32 ixgbe_check_for_ack_pf(struct ixgbe_hw *hw, u16 vf_number)
return 0;
}
- return IXGBE_ERR_MBX;
+ return -EIO;
}
/**
@@ -295,7 +295,7 @@ static s32 ixgbe_check_for_rst_pf(struct ixgbe_hw *hw, u16 vf_number)
return 0;
}
- return IXGBE_ERR_MBX;
+ return -EIO;
}
/**
@@ -317,7 +317,7 @@ static s32 ixgbe_obtain_mbx_lock_pf(struct ixgbe_hw *hw, u16 vf_number)
if (p2v_mailbox & IXGBE_PFMAILBOX_PFU)
return 0;
- return IXGBE_ERR_MBX;
+ return -EIO;
}
/**
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
index a148534d7..def067b15 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
@@ -7,7 +7,6 @@
#include "ixgbe_type.h"
#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
-#define IXGBE_ERR_MBX -100
#define IXGBE_VFMAILBOX 0x002FC
#define IXGBE_VFMBMEM 0x00200
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index b0413904b..9d8b018b4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -102,7 +102,7 @@ s32 ixgbe_read_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
csum = ~csum;
do {
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
ixgbe_i2c_start(hw);
/* Device Address and write indication */
if (ixgbe_out_i2c_byte_ack(hw, addr))
@@ -150,7 +150,7 @@ fail:
hw_dbg(hw, "I2C byte read combined error.\n");
} while (retry < max_retry);
- return IXGBE_ERR_I2C;
+ return -EIO;
}
/**
@@ -179,7 +179,7 @@ s32 ixgbe_write_i2c_combined_generic_int(struct ixgbe_hw *hw, u8 addr,
csum = ~csum;
do {
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
ixgbe_i2c_start(hw);
/* Device Address and write indication */
if (ixgbe_out_i2c_byte_ack(hw, addr))
@@ -215,7 +215,7 @@ fail:
hw_dbg(hw, "I2C byte write combined error.\n");
} while (retry < max_retry);
- return IXGBE_ERR_I2C;
+ return -EIO;
}
/**
@@ -262,8 +262,8 @@ static bool ixgbe_probe_phy(struct ixgbe_hw *hw, u16 phy_addr)
**/
s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
{
+ u32 status = -EFAULT;
u32 phy_addr;
- u32 status = IXGBE_ERR_PHY_ADDR_INVALID;
if (!hw->phy.phy_semaphore_mask) {
if (hw->bus.lan_id)
@@ -282,7 +282,7 @@ s32 ixgbe_identify_phy_generic(struct ixgbe_hw *hw)
if (ixgbe_probe_phy(hw, phy_addr))
return 0;
else
- return IXGBE_ERR_PHY_ADDR_INVALID;
+ return -EFAULT;
}
for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
@@ -405,8 +405,7 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
return status;
/* Don't reset PHY if it's shut down due to overtemp. */
- if (!hw->phy.reset_if_overtemp &&
- (IXGBE_ERR_OVERTEMP == hw->phy.ops.check_overtemp(hw)))
+ if (!hw->phy.reset_if_overtemp && hw->phy.ops.check_overtemp(hw))
return 0;
/* Blocked by MNG FW so bail */
@@ -454,7 +453,7 @@ s32 ixgbe_reset_phy_generic(struct ixgbe_hw *hw)
if (ctrl & MDIO_CTRL1_RESET) {
hw_dbg(hw, "PHY reset polling failed to complete.\n");
- return IXGBE_ERR_RESET_FAILED;
+ return -EIO;
}
return 0;
@@ -496,7 +495,7 @@ s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY address command did not complete.\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
/* Address cycle complete, setup and write the read
@@ -523,7 +522,7 @@ s32 ixgbe_read_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY read command didn't complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
/* Read operation is complete. Get the data
@@ -555,7 +554,7 @@ s32 ixgbe_read_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
phy_data);
hw->mac.ops.release_swfw_sync(hw, gssr);
} else {
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
return status;
@@ -600,7 +599,7 @@ s32 ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY address cmd didn't complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
/*
@@ -628,7 +627,7 @@ s32 ixgbe_write_phy_reg_mdi(struct ixgbe_hw *hw, u32 reg_addr,
if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
hw_dbg(hw, "PHY write cmd didn't complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
return 0;
@@ -653,7 +652,7 @@ s32 ixgbe_write_phy_reg_generic(struct ixgbe_hw *hw, u32 reg_addr,
phy_data);
hw->mac.ops.release_swfw_sync(hw, gssr);
} else {
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
return status;
@@ -1299,7 +1298,7 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)
if ((phy_data & MDIO_CTRL1_RESET) != 0) {
hw_dbg(hw, "PHY reset did not complete.\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
/* Get init offsets */
@@ -1356,12 +1355,12 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)
hw_dbg(hw, "SOL\n");
} else {
hw_dbg(hw, "Bad control value\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
break;
default:
hw_dbg(hw, "Bad control type\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
}
@@ -1369,7 +1368,7 @@ s32 ixgbe_reset_phy_nl(struct ixgbe_hw *hw)
err_eeprom:
hw_err(hw, "eeprom read at offset %d failed\n", data_offset);
- return IXGBE_ERR_PHY;
+ return -EIO;
}
/**
@@ -1387,10 +1386,10 @@ s32 ixgbe_identify_module_generic(struct ixgbe_hw *hw)
return ixgbe_identify_qsfp_module_generic(hw);
default:
hw->phy.sfp_type = ixgbe_sfp_type_not_present;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}
/**
@@ -1415,7 +1414,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_fiber) {
hw->phy.sfp_type = ixgbe_sfp_type_not_present;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}
/* LAN ID is needed for sfp_type determination */
@@ -1430,7 +1429,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
if (identifier != IXGBE_SFF_IDENTIFIER_SFP) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
status = hw->phy.ops.read_i2c_eeprom(hw,
IXGBE_SFF_1GBE_COMP_CODES,
@@ -1621,7 +1620,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1)) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
/* Anything else 82598-based is supported */
@@ -1645,7 +1644,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
}
hw_dbg(hw, "SFP+ module not supported\n");
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
return 0;
@@ -1655,7 +1654,7 @@ err_read_i2c_eeprom:
hw->phy.id = 0;
hw->phy.type = ixgbe_phy_unknown;
}
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}
/**
@@ -1682,7 +1681,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_fiber_qsfp) {
hw->phy.sfp_type = ixgbe_sfp_type_not_present;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}
/* LAN ID is needed for sfp_type determination */
@@ -1696,7 +1695,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
if (identifier != IXGBE_SFF_IDENTIFIER_QSFP_PLUS) {
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
hw->phy.id = identifier;
@@ -1764,7 +1763,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
} else {
/* unsupported module type */
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
}
@@ -1824,7 +1823,7 @@ static s32 ixgbe_identify_qsfp_module_generic(struct ixgbe_hw *hw)
}
hw_dbg(hw, "QSFP module not supported\n");
hw->phy.type = ixgbe_phy_sfp_unsupported;
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
return 0;
}
@@ -1835,7 +1834,7 @@ err_read_i2c_eeprom:
hw->phy.id = 0;
hw->phy.type = ixgbe_phy_unknown;
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
}
/**
@@ -1855,14 +1854,14 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
u16 sfp_type = hw->phy.sfp_type;
if (hw->phy.sfp_type == ixgbe_sfp_type_unknown)
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
if (hw->phy.sfp_type == ixgbe_sfp_type_not_present)
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
if ((hw->device_id == IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM) &&
(hw->phy.sfp_type == ixgbe_sfp_type_da_cu))
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
/*
* Limiting active cables and 1G Phys must be initialized as
@@ -1883,11 +1882,11 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
if (hw->eeprom.ops.read(hw, IXGBE_PHY_INIT_OFFSET_NL, list_offset)) {
hw_err(hw, "eeprom read at %d failed\n",
IXGBE_PHY_INIT_OFFSET_NL);
- return IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT;
+ return -EIO;
}
if ((!*list_offset) || (*list_offset == 0xFFFF))
- return IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT;
+ return -EIO;
/* Shift offset to first ID word */
(*list_offset)++;
@@ -1906,7 +1905,7 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
goto err_phy;
if ((!*data_offset) || (*data_offset == 0xFFFF)) {
hw_dbg(hw, "SFP+ module not supported\n");
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
} else {
break;
}
@@ -1919,14 +1918,14 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
if (sfp_id == IXGBE_PHY_INIT_END_NL) {
hw_dbg(hw, "No matching SFP+ module found\n");
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
return 0;
err_phy:
hw_err(hw, "eeprom read at offset %d failed\n", *list_offset);
- return IXGBE_ERR_PHY;
+ return -EIO;
}
/**
@@ -2021,7 +2020,7 @@ static s32 ixgbe_read_i2c_byte_generic_int(struct ixgbe_hw *hw, u8 byte_offset,
do {
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
ixgbe_i2c_start(hw);
@@ -2137,7 +2136,7 @@ static s32 ixgbe_write_i2c_byte_generic_int(struct ixgbe_hw *hw, u8 byte_offset,
u32 swfw_mask = hw->phy.phy_semaphore_mask;
if (lock && hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
do {
ixgbe_i2c_start(hw);
@@ -2379,7 +2378,7 @@ static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw)
if (ack == 1) {
hw_dbg(hw, "I2C ack was not received.\n");
- status = IXGBE_ERR_I2C;
+ status = -EIO;
}
ixgbe_lower_i2c_clk(hw, &i2cctl);
@@ -2451,7 +2450,7 @@ static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data)
udelay(IXGBE_I2C_T_LOW);
} else {
hw_dbg(hw, "I2C data was not set to %X\n", data);
- return IXGBE_ERR_I2C;
+ return -EIO;
}
return 0;
@@ -2547,7 +2546,7 @@ static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data)
*i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL(hw));
if (data != ixgbe_get_i2c_data(hw, i2cctl)) {
hw_dbg(hw, "Error - I2C data was not set to %X.\n", data);
- return IXGBE_ERR_I2C;
+ return -EIO;
}
return 0;
@@ -2617,22 +2616,24 @@ static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw)
* @hw: pointer to hardware structure
*
* Checks if the LASI temp alarm status was triggered due to overtemp
+ *
+ * Return true when an overtemp event detected, otherwise false.
**/
-s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw)
+bool ixgbe_tn_check_overtemp(struct ixgbe_hw *hw)
{
u16 phy_data = 0;
+ u32 status;
if (hw->device_id != IXGBE_DEV_ID_82599_T3_LOM)
- return 0;
+ return false;
/* Check that the LASI temp alarm status was triggered */
- hw->phy.ops.read_reg(hw, IXGBE_TN_LASI_STATUS_REG,
- MDIO_MMD_PMAPMD, &phy_data);
-
- if (!(phy_data & IXGBE_TN_LASI_STATUS_TEMP_ALARM))
- return 0;
+ status = hw->phy.ops.read_reg(hw, IXGBE_TN_LASI_STATUS_REG,
+ MDIO_MMD_PMAPMD, &phy_data);
+ if (status)
+ return false;
- return IXGBE_ERR_OVERTEMP;
+ return !!(phy_data & IXGBE_TN_LASI_STATUS_TEMP_ALARM);
}
/** ixgbe_set_copper_phy_power - Control power for copper phy
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
index 6544c4539..ef72729d7 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
@@ -155,7 +155,7 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
u16 *list_offset,
u16 *data_offset);
-s32 ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
+bool ixgbe_tn_check_overtemp(struct ixgbe_hw *hw);
s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
u8 dev_addr, u8 *data);
s32 ixgbe_read_i2c_byte_generic_unlocked(struct ixgbe_hw *hw, u8 byte_offset,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 5eba08669..0cd8bec6a 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1279,7 +1279,7 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
break;
default:
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
- retval = IXGBE_ERR_MBX;
+ retval = -EIO;
break;
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 2be1c4c72..e84dbf6a3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -1247,7 +1247,7 @@ struct ixgbe_nvm_version {
#define IXGBE_PSRTYPE_RQPL_SHIFT 29
/* CTRL Bit Masks */
-#define IXGBE_CTRL_GIO_DIS 0x00000004 /* Global IO Master Disable bit */
+#define IXGBE_CTRL_GIO_DIS 0x00000004 /* Global IO Primary Disable bit */
#define IXGBE_CTRL_LNK_RST 0x00000008 /* Link Reset. Resets everything. */
#define IXGBE_CTRL_RST 0x04000000 /* Reset (SW) */
#define IXGBE_CTRL_RST_MASK (IXGBE_CTRL_LNK_RST | IXGBE_CTRL_RST)
@@ -1810,7 +1810,7 @@ enum {
/* STATUS Bit Masks */
#define IXGBE_STATUS_LAN_ID 0x0000000C /* LAN ID */
#define IXGBE_STATUS_LAN_ID_SHIFT 2 /* LAN ID Shift*/
-#define IXGBE_STATUS_GIO 0x00080000 /* GIO Master Enable Status */
+#define IXGBE_STATUS_GIO 0x00080000 /* GIO Primary Enable Status */
#define IXGBE_STATUS_LAN_ID_0 0x00000000 /* LAN ID 0 */
#define IXGBE_STATUS_LAN_ID_1 0x00000004 /* LAN ID 1 */
@@ -2192,8 +2192,8 @@ enum {
#define IXGBE_PCIDEVCTRL2_4_8s 0xd
#define IXGBE_PCIDEVCTRL2_17_34s 0xe
-/* Number of 100 microseconds we wait for PCI Express master disable */
-#define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800
+/* Number of 100 microseconds we wait for PCI Express primary disable */
+#define IXGBE_PCI_PRIMARY_DISABLE_TIMEOUT 800
/* RAH */
#define IXGBE_RAH_VIND_MASK 0x003C0000
@@ -3505,10 +3505,10 @@ struct ixgbe_phy_operations {
s32 (*read_i2c_sff8472)(struct ixgbe_hw *, u8 , u8 *);
s32 (*read_i2c_eeprom)(struct ixgbe_hw *, u8 , u8 *);
s32 (*write_i2c_eeprom)(struct ixgbe_hw *, u8, u8);
- s32 (*check_overtemp)(struct ixgbe_hw *);
+ bool (*check_overtemp)(struct ixgbe_hw *);
s32 (*set_phy_power)(struct ixgbe_hw *, bool on);
s32 (*enter_lplu)(struct ixgbe_hw *);
- s32 (*handle_lasi)(struct ixgbe_hw *hw);
+ s32 (*handle_lasi)(struct ixgbe_hw *hw, bool *);
s32 (*read_i2c_byte_unlocked)(struct ixgbe_hw *, u8 offset, u8 addr,
u8 *value);
s32 (*write_i2c_byte_unlocked)(struct ixgbe_hw *, u8 offset, u8 addr,
@@ -3661,45 +3661,6 @@ struct ixgbe_info {
const u32 *mvals;
};
-
-/* Error Codes */
-#define IXGBE_ERR_EEPROM -1
-#define IXGBE_ERR_EEPROM_CHECKSUM -2
-#define IXGBE_ERR_PHY -3
-#define IXGBE_ERR_CONFIG -4
-#define IXGBE_ERR_PARAM -5
-#define IXGBE_ERR_MAC_TYPE -6
-#define IXGBE_ERR_UNKNOWN_PHY -7
-#define IXGBE_ERR_LINK_SETUP -8
-#define IXGBE_ERR_ADAPTER_STOPPED -9
-#define IXGBE_ERR_INVALID_MAC_ADDR -10
-#define IXGBE_ERR_DEVICE_NOT_SUPPORTED -11
-#define IXGBE_ERR_MASTER_REQUESTS_PENDING -12
-#define IXGBE_ERR_INVALID_LINK_SETTINGS -13
-#define IXGBE_ERR_AUTONEG_NOT_COMPLETE -14
-#define IXGBE_ERR_RESET_FAILED -15
-#define IXGBE_ERR_SWFW_SYNC -16
-#define IXGBE_ERR_PHY_ADDR_INVALID -17
-#define IXGBE_ERR_I2C -18
-#define IXGBE_ERR_SFP_NOT_SUPPORTED -19
-#define IXGBE_ERR_SFP_NOT_PRESENT -20
-#define IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT -21
-#define IXGBE_ERR_NO_SAN_ADDR_PTR -22
-#define IXGBE_ERR_FDIR_REINIT_FAILED -23
-#define IXGBE_ERR_EEPROM_VERSION -24
-#define IXGBE_ERR_NO_SPACE -25
-#define IXGBE_ERR_OVERTEMP -26
-#define IXGBE_ERR_FC_NOT_NEGOTIATED -27
-#define IXGBE_ERR_FC_NOT_SUPPORTED -28
-#define IXGBE_ERR_SFP_SETUP_NOT_COMPLETE -30
-#define IXGBE_ERR_PBA_SECTION -31
-#define IXGBE_ERR_INVALID_ARGUMENT -32
-#define IXGBE_ERR_HOST_INTERFACE_COMMAND -33
-#define IXGBE_ERR_FDIR_CMD_INCOMPLETE -38
-#define IXGBE_ERR_FW_RESP_INVALID -39
-#define IXGBE_ERR_TOKEN_RETRY -40
-#define IXGBE_NOT_IMPLEMENTED 0x7FFFFFFF
-
#define IXGBE_FUSES0_GROUP(_i) (0x11158 + ((_i) * 4))
#define IXGBE_FUSES0_300MHZ BIT(5)
#define IXGBE_FUSES0_REV_MASK (3u << 6)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index 4b93ba149..fb4ced963 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -84,7 +84,7 @@ mac_reset_top:
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status) {
hw_dbg(hw, "semaphore failed with %d", status);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
ctrl = IXGBE_CTRL_RST;
@@ -103,7 +103,7 @@ mac_reset_top:
}
if (ctrl & IXGBE_CTRL_RST_MASK) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
msleep(100);
@@ -220,7 +220,7 @@ static s32 ixgbe_read_eerd_X540(struct ixgbe_hw *hw, u16 offset, u16 *data)
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = ixgbe_read_eerd_generic(hw, offset, data);
@@ -243,7 +243,7 @@ static s32 ixgbe_read_eerd_buffer_X540(struct ixgbe_hw *hw,
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = ixgbe_read_eerd_buffer_generic(hw, offset, words, data);
@@ -264,7 +264,7 @@ static s32 ixgbe_write_eewr_X540(struct ixgbe_hw *hw, u16 offset, u16 data)
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = ixgbe_write_eewr_generic(hw, offset, data);
@@ -287,7 +287,7 @@ static s32 ixgbe_write_eewr_buffer_X540(struct ixgbe_hw *hw,
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = ixgbe_write_eewr_buffer_generic(hw, offset, words, data);
@@ -324,7 +324,7 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
for (i = 0; i < checksum_last_word; i++) {
if (ixgbe_read_eerd_generic(hw, i, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
checksum += word;
}
@@ -349,7 +349,7 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
if (ixgbe_read_eerd_generic(hw, pointer, &length)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/* Skip pointer section if length is invalid. */
@@ -360,7 +360,7 @@ static s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
for (j = pointer + 1; j <= pointer + length; j++) {
if (ixgbe_read_eerd_generic(hw, j, &word)) {
hw_dbg(hw, "EEPROM read failed\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
checksum += word;
}
@@ -397,7 +397,7 @@ static s32 ixgbe_validate_eeprom_checksum_X540(struct ixgbe_hw *hw,
}
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = hw->eeprom.ops.calc_checksum(hw);
if (status < 0)
@@ -418,7 +418,7 @@ static s32 ixgbe_validate_eeprom_checksum_X540(struct ixgbe_hw *hw,
*/
if (read_checksum != checksum) {
hw_dbg(hw, "Invalid EEPROM checksum");
- status = IXGBE_ERR_EEPROM_CHECKSUM;
+ status = -EIO;
}
/* If the user cares, return the calculated checksum */
@@ -455,7 +455,7 @@ static s32 ixgbe_update_eeprom_checksum_X540(struct ixgbe_hw *hw)
}
if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = hw->eeprom.ops.calc_checksum(hw);
if (status < 0)
@@ -490,7 +490,7 @@ static s32 ixgbe_update_flash_X540(struct ixgbe_hw *hw)
s32 status;
status = ixgbe_poll_flash_update_done_X540(hw);
- if (status == IXGBE_ERR_EEPROM) {
+ if (status == -EIO) {
hw_dbg(hw, "Flash update time out\n");
return status;
}
@@ -540,7 +540,7 @@ static s32 ixgbe_poll_flash_update_done_X540(struct ixgbe_hw *hw)
return 0;
udelay(5);
}
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/**
@@ -575,7 +575,7 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
* SW_FW_SYNC bits (not just NVM)
*/
if (ixgbe_get_swfw_sync_semaphore(hw))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC(hw));
if (!(swfw_sync & (fwmask | swmask | hwmask))) {
@@ -599,7 +599,7 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
* bits in the SW_FW_SYNC register.
*/
if (ixgbe_get_swfw_sync_semaphore(hw))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC(hw));
if (swfw_sync & (fwmask | hwmask)) {
swfw_sync |= swmask;
@@ -622,11 +622,11 @@ s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
rmask |= IXGBE_GSSR_I2C_MASK;
ixgbe_release_swfw_sync_X540(hw, rmask);
ixgbe_release_swfw_sync_semaphore(hw);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
ixgbe_release_swfw_sync_semaphore(hw);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
/**
@@ -680,7 +680,7 @@ static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw)
if (i == timeout) {
hw_dbg(hw,
"Software semaphore SMBI between device drivers not granted.\n");
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/* Now get the semaphore between SW/FW through the REGSMP bit */
@@ -697,7 +697,7 @@ static s32 ixgbe_get_swfw_sync_semaphore(struct ixgbe_hw *hw)
*/
hw_dbg(hw, "REGSMP Software NVM semaphore not granted\n");
ixgbe_release_swfw_sync_semaphore(hw);
- return IXGBE_ERR_EEPROM;
+ return -EIO;
}
/**
@@ -768,7 +768,7 @@ s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
bool link_up;
if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* Link should be up in order for the blink bit in the LED control
* register to work. Force link and speed in the MAC if link is down.
@@ -804,7 +804,7 @@ s32 ixgbe_blink_led_stop_X540(struct ixgbe_hw *hw, u32 index)
u32 ledctl_reg;
if (index > 3)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* Restore the LED to its default value. */
ledctl_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 37f2bc6de..9347dc786 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -206,13 +206,13 @@ static s32 ixgbe_reset_cs4227(struct ixgbe_hw *hw)
}
if (retry == IXGBE_CS4227_RETRIES) {
hw_err(hw, "CS4227 reset did not complete\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
status = ixgbe_read_cs4227(hw, IXGBE_CS4227_EEPROM_STATUS, &value);
if (status || !(value & IXGBE_CS4227_EEPROM_LOAD_OK)) {
hw_err(hw, "CS4227 EEPROM did not load successfully\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
return 0;
@@ -350,13 +350,13 @@ static s32 ixgbe_identify_phy_x550em(struct ixgbe_hw *hw)
static s32 ixgbe_read_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 *phy_data)
{
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
}
static s32 ixgbe_write_phy_reg_x550em(struct ixgbe_hw *hw, u32 reg_addr,
u32 device_type, u16 phy_data)
{
- return IXGBE_NOT_IMPLEMENTED;
+ return -EOPNOTSUPP;
}
/**
@@ -463,7 +463,7 @@ s32 ixgbe_fw_phy_activity(struct ixgbe_hw *hw, u16 activity,
--retries;
} while (retries > 0);
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
}
static const struct {
@@ -511,7 +511,7 @@ static s32 ixgbe_get_phy_id_fw(struct ixgbe_hw *hw)
hw->phy.id |= phy_id_lo & IXGBE_PHY_REVISION_MASK;
hw->phy.revision = phy_id_lo & ~IXGBE_PHY_REVISION_MASK;
if (!hw->phy.id || hw->phy.id == IXGBE_PHY_REVISION_MASK)
- return IXGBE_ERR_PHY_ADDR_INVALID;
+ return -EFAULT;
hw->phy.autoneg_advertised = hw->phy.speeds_supported;
hw->phy.eee_speeds_supported = IXGBE_LINK_SPEED_100_FULL |
@@ -568,7 +568,7 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
switch (hw->fc.requested_mode) {
@@ -600,8 +600,10 @@ static s32 ixgbe_setup_fw_link(struct ixgbe_hw *hw)
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_SETUP_LINK, &setup);
if (rc)
return rc;
+
if (setup[0] == FW_PHY_ACT_SETUP_LINK_RSP_DOWN)
- return IXGBE_ERR_OVERTEMP;
+ return -EIO;
+
return 0;
}
@@ -675,7 +677,7 @@ static s32 ixgbe_iosf_wait(struct ixgbe_hw *hw, u32 *ctrl)
*ctrl = command;
if (i == IXGBE_MDIO_COMMAND_TIMEOUT) {
hw_dbg(hw, "IOSF wait timed out\n");
- return IXGBE_ERR_PHY;
+ return -EIO;
}
return 0;
@@ -715,7 +717,8 @@ static s32 ixgbe_read_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
hw_dbg(hw, "Failed to read, error %x\n", error);
- return IXGBE_ERR_PHY;
+ ret = -EIO;
+ goto out;
}
if (!ret)
@@ -750,9 +753,9 @@ static s32 ixgbe_get_phy_token(struct ixgbe_hw *hw)
if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
return 0;
if (token_cmd.hdr.cmd_or_resp.ret_status != FW_PHY_TOKEN_RETRY)
- return IXGBE_ERR_FW_RESP_INVALID;
+ return -EIO;
- return IXGBE_ERR_TOKEN_RETRY;
+ return -EAGAIN;
}
/**
@@ -778,7 +781,7 @@ static s32 ixgbe_put_phy_token(struct ixgbe_hw *hw)
return status;
if (token_cmd.hdr.cmd_or_resp.ret_status == FW_PHY_TOKEN_OK)
return 0;
- return IXGBE_ERR_FW_RESP_INVALID;
+ return -EIO;
}
/**
@@ -942,7 +945,7 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
local_buffer = buf;
} else {
if (buffer_size < ptr)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
local_buffer = &buffer[ptr];
}
@@ -960,7 +963,7 @@ static s32 ixgbe_checksum_ptr_x550(struct ixgbe_hw *hw, u16 ptr,
}
if (buffer && ((u32)start + (u32)length > buffer_size))
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
for (i = start; length; i++, length--) {
if (i == bufsz && !buffer) {
@@ -1012,7 +1015,7 @@ static s32 ixgbe_calc_checksum_X550(struct ixgbe_hw *hw, u16 *buffer,
local_buffer = eeprom_ptrs;
} else {
if (buffer_size < IXGBE_EEPROM_LAST_WORD)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
local_buffer = buffer;
}
@@ -1148,7 +1151,7 @@ static s32 ixgbe_validate_eeprom_checksum_X550(struct ixgbe_hw *hw,
* calculated checksum
*/
if (read_checksum != checksum) {
- status = IXGBE_ERR_EEPROM_CHECKSUM;
+ status = -EIO;
hw_dbg(hw, "Invalid EEPROM checksum");
}
@@ -1203,7 +1206,7 @@ static s32 ixgbe_write_ee_hostif_X550(struct ixgbe_hw *hw, u16 offset, u16 data)
hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
} else {
hw_dbg(hw, "write ee hostif failed to get semaphore");
- status = IXGBE_ERR_SWFW_SYNC;
+ status = -EBUSY;
}
return status;
@@ -1415,7 +1418,7 @@ static s32 ixgbe_write_iosf_sb_reg_x550(struct ixgbe_hw *hw, u32 reg_addr,
error = (command & IXGBE_SB_IOSF_CTRL_CMPL_ERR_MASK) >>
IXGBE_SB_IOSF_CTRL_CMPL_ERR_SHIFT;
hw_dbg(hw, "Failed to write, error %x\n", error);
- return IXGBE_ERR_PHY;
+ return -EIO;
}
out:
@@ -1558,7 +1561,7 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
/* iXFI is only supported with X552 */
if (mac->type != ixgbe_mac_X550EM_x)
- return IXGBE_ERR_LINK_SETUP;
+ return -EIO;
/* Disable AN and force speed to 10G Serial. */
status = ixgbe_read_iosf_sb_reg_x550(hw,
@@ -1580,7 +1583,7 @@ static s32 ixgbe_setup_ixfi_x550em(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
break;
default:
/* Other link speeds are not supported by internal KR PHY. */
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;
}
status = ixgbe_write_iosf_sb_reg_x550(hw,
@@ -1611,7 +1614,7 @@ static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
{
switch (hw->phy.sfp_type) {
case ixgbe_sfp_type_not_present:
- return IXGBE_ERR_SFP_NOT_PRESENT;
+ return -ENOENT;
case ixgbe_sfp_type_da_cu_core0:
case ixgbe_sfp_type_da_cu_core1:
*linear = true;
@@ -1630,7 +1633,7 @@ static s32 ixgbe_supported_sfp_modules_X550em(struct ixgbe_hw *hw, bool *linear)
case ixgbe_sfp_type_1g_cu_core0:
case ixgbe_sfp_type_1g_cu_core1:
default:
- return IXGBE_ERR_SFP_NOT_SUPPORTED;
+ return -EOPNOTSUPP;
}
return 0;
@@ -1660,7 +1663,7 @@ ixgbe_setup_mac_link_sfp_x550em(struct ixgbe_hw *hw,
* there is no reason to configure CS4227 and SFP not present error is
* not accepted in the setup MAC link flow.
*/
- if (status == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (status == -ENOENT)
return 0;
if (status)
@@ -1718,7 +1721,7 @@ static s32 ixgbe_setup_sfi_x550a(struct ixgbe_hw *hw, ixgbe_link_speed *speed)
break;
default:
/* Other link speeds are not supported by internal PHY. */
- return IXGBE_ERR_LINK_SETUP;
+ return -EINVAL;
}
status = mac->ops.write_iosf_sb_reg(hw,
@@ -1753,7 +1756,7 @@ ixgbe_setup_mac_link_sfp_n(struct ixgbe_hw *hw, ixgbe_link_speed speed,
/* If no SFP module present, then return success. Return success since
* SFP not present error is not excepted in the setup MAC link flow.
*/
- if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (ret_val == -ENOENT)
return 0;
if (ret_val)
@@ -1803,7 +1806,7 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed,
/* If no SFP module present, then return success. Return success since
* SFP not present error is not excepted in the setup MAC link flow.
*/
- if (ret_val == IXGBE_ERR_SFP_NOT_PRESENT)
+ if (ret_val == -ENOENT)
return 0;
if (ret_val)
@@ -1813,7 +1816,7 @@ ixgbe_setup_mac_link_sfp_x550a(struct ixgbe_hw *hw, ixgbe_link_speed speed,
ixgbe_setup_kr_speed_x550em(hw, speed);
if (hw->phy.mdio.prtad == MDIO_PRTAD_NONE)
- return IXGBE_ERR_PHY_ADDR_INVALID;
+ return -EFAULT;
/* Get external PHY SKU id */
ret_val = hw->phy.ops.read_reg(hw, IXGBE_CS4227_EFUSE_PDF_SKU,
@@ -1912,7 +1915,7 @@ static s32 ixgbe_check_link_t_X550em(struct ixgbe_hw *hw,
u16 i, autoneg_status;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
- return IXGBE_ERR_CONFIG;
+ return -EIO;
status = ixgbe_check_mac_link_generic(hw, speed, link_up,
link_up_wait_to_complete);
@@ -2095,9 +2098,9 @@ static s32 ixgbe_setup_sgmii_fw(struct ixgbe_hw *hw, ixgbe_link_speed speed,
*/
static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
{
- s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
ixgbe_link_speed speed;
+ s32 status = -EIO;
bool link_up;
/* AN should have completed when the cable was plugged in.
@@ -2115,7 +2118,7 @@ static void ixgbe_fc_autoneg_sgmii_x550em_a(struct ixgbe_hw *hw)
/* Check if auto-negotiation has completed */
status = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &info);
if (status || !(info[0] & FW_PHY_ACT_GET_LINK_INFO_AN_COMPLETE)) {
- status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ status = -EIO;
goto out;
}
@@ -2319,18 +2322,18 @@ static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
* @hw: pointer to hardware structure
* @lsc: pointer to boolean flag which indicates whether external Base T
* PHY interrupt is lsc
+ * @is_overtemp: indicate whether an overtemp event encountered
*
* Determime if external Base T PHY interrupt cause is high temperature
* failure alarm or link status change.
- *
- * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
- * failure alarm, else return PHY access status.
**/
-static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
+static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc,
+ bool *is_overtemp)
{
u32 status;
u16 reg;
+ *is_overtemp = false;
*lsc = false;
/* Vendor alarm triggered */
@@ -2362,7 +2365,8 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
if (reg & IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL) {
/* power down the PHY in case the PHY FW didn't already */
ixgbe_set_copper_phy_power(hw, false);
- return IXGBE_ERR_OVERTEMP;
+ *is_overtemp = true;
+ return -EIO;
}
if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) {
/* device fault alarm triggered */
@@ -2376,7 +2380,8 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) {
/* power down the PHY in case the PHY FW didn't */
ixgbe_set_copper_phy_power(hw, false);
- return IXGBE_ERR_OVERTEMP;
+ *is_overtemp = true;
+ return -EIO;
}
}
@@ -2412,12 +2417,12 @@ static s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
**/
static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
{
+ bool lsc, overtemp;
u32 status;
u16 reg;
- bool lsc;
/* Clear interrupt flags */
- status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
+ status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, &overtemp);
/* Enable link status change alarm */
@@ -2496,21 +2501,20 @@ static s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
/**
* ixgbe_handle_lasi_ext_t_x550em - Handle external Base T PHY interrupt
* @hw: pointer to hardware structure
+ * @is_overtemp: indicate whether an overtemp event encountered
*
* Handle external Base T PHY interrupt. If high temperature
* failure alarm then return error, else if link status change
* then setup internal/external PHY link
- *
- * Return IXGBE_ERR_OVERTEMP if interrupt is high temperature
- * failure alarm, else return PHY access status.
**/
-static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw)
+static s32 ixgbe_handle_lasi_ext_t_x550em(struct ixgbe_hw *hw,
+ bool *is_overtemp)
{
struct ixgbe_phy_info *phy = &hw->phy;
bool lsc;
u32 status;
- status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc);
+ status = ixgbe_get_lasi_ext_t_x550em(hw, &lsc, is_overtemp);
if (status)
return status;
@@ -2642,7 +2646,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
u16 speed;
if (hw->mac.ops.get_media_type(hw) != ixgbe_media_type_copper)
- return IXGBE_ERR_CONFIG;
+ return -EIO;
if (!(hw->mac.type == ixgbe_mac_X550EM_x &&
!(hw->phy.nw_mng_if_sel & IXGBE_NW_MNG_IF_SEL_INT_PHY_MODE))) {
@@ -2685,7 +2689,7 @@ static s32 ixgbe_setup_internal_phy_t_x550em(struct ixgbe_hw *hw)
break;
default:
/* Internal PHY does not support anything else */
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
return ixgbe_setup_ixfi_x550em(hw, &force_speed);
@@ -2717,7 +2721,7 @@ static s32 ixgbe_led_on_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
u16 phy_data;
if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* To turn on the LED, set mode to ON. */
hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
@@ -2739,7 +2743,7 @@ static s32 ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
u16 phy_data;
if (led_idx >= IXGBE_X557_MAX_LED_INDEX)
- return IXGBE_ERR_PARAM;
+ return -EINVAL;
/* To turn on the LED, set mode to ON. */
hw->phy.ops.read_reg(hw, IXGBE_X557_LED_PROVISIONING + led_idx,
@@ -2763,8 +2767,9 @@ static s32 ixgbe_led_off_t_x550em(struct ixgbe_hw *hw, u32 led_idx)
*
* Sends driver version number to firmware through the manageability
* block. On success return 0
- * else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
- * semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ * else returns -EBUSY when encountering an error acquiring
+ * semaphore, -EIO when command fails or -ENIVAL when incorrect
+ * params passed.
**/
static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
u8 build, u8 sub, u16 len,
@@ -2775,7 +2780,7 @@ static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
int i;
if (!len || !driver_ver || (len > sizeof(fw_cmd.driver_string)))
- return IXGBE_ERR_INVALID_ARGUMENT;
+ return -EINVAL;
fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN + len;
@@ -2800,7 +2805,7 @@ static s32 ixgbe_set_fw_drv_ver_x550(struct ixgbe_hw *hw, u8 maj, u8 min,
if (fw_cmd.hdr.cmd_or_resp.ret_status !=
FW_CEM_RESP_STATUS_SUCCESS)
- return IXGBE_ERR_HOST_INTERFACE_COMMAND;
+ return -EIO;
return 0;
}
@@ -2857,7 +2862,7 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
/* 10gig parts do not have a word in the EEPROM to determine the
@@ -2892,7 +2897,7 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
break;
default:
hw_err(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
switch (hw->device_id) {
@@ -2936,8 +2941,8 @@ static s32 ixgbe_setup_fc_x550em(struct ixgbe_hw *hw)
static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
{
u32 link_s1, lp_an_page_low, an_cntl_1;
- s32 status = IXGBE_ERR_FC_NOT_NEGOTIATED;
ixgbe_link_speed speed;
+ s32 status = -EIO;
bool link_up;
/* AN should have completed when the cable was plugged in.
@@ -2963,7 +2968,7 @@ static void ixgbe_fc_autoneg_backplane_x550em_a(struct ixgbe_hw *hw)
if (status || (link_s1 & IXGBE_KRM_LINK_S1_MAC_AN_COMPLETE) == 0) {
hw_dbg(hw, "Auto-Negotiation did not complete\n");
- status = IXGBE_ERR_FC_NOT_NEGOTIATED;
+ status = -EIO;
goto out;
}
@@ -3137,21 +3142,23 @@ static s32 ixgbe_reset_phy_fw(struct ixgbe_hw *hw)
/**
* ixgbe_check_overtemp_fw - Check firmware-controlled PHYs for overtemp
* @hw: pointer to hardware structure
+ *
+ * Return true when an overtemp event detected, otherwise false.
*/
-static s32 ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
+static bool ixgbe_check_overtemp_fw(struct ixgbe_hw *hw)
{
u32 store[FW_PHY_ACT_DATA_COUNT] = { 0 };
s32 rc;
rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_GET_LINK_INFO, &store);
if (rc)
- return rc;
+ return false;
if (store[0] & FW_PHY_ACT_GET_LINK_INFO_TEMP) {
ixgbe_shutdown_fw_phy(hw);
- return IXGBE_ERR_OVERTEMP;
+ return true;
}
- return 0;
+ return false;
}
/**
@@ -3201,8 +3208,7 @@ static s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw)
/* Identify the PHY or SFP module */
ret_val = phy->ops.identify(hw);
- if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED ||
- ret_val == IXGBE_ERR_PHY_ADDR_INVALID)
+ if (ret_val == -EOPNOTSUPP || ret_val == -EFAULT)
return ret_val;
/* Setup function pointers based on detected hardware */
@@ -3410,8 +3416,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
/* PHY ops must be identified and initialized prior to reset */
status = hw->phy.ops.init(hw);
- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED ||
- status == IXGBE_ERR_PHY_ADDR_INVALID)
+ if (status == -EOPNOTSUPP || status == -EFAULT)
return status;
/* start the external PHY */
@@ -3427,7 +3432,7 @@ static s32 ixgbe_reset_hw_X550em(struct ixgbe_hw *hw)
hw->phy.sfp_setup_needed = false;
}
- if (status == IXGBE_ERR_SFP_NOT_SUPPORTED)
+ if (status == -EOPNOTSUPP)
return status;
/* Reset PHY */
@@ -3451,7 +3456,7 @@ mac_reset_top:
status = hw->mac.ops.acquire_swfw_sync(hw, swfw_mask);
if (status) {
hw_dbg(hw, "semaphore failed with %d", status);
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
}
ctrl |= IXGBE_READ_REG(hw, IXGBE_CTRL);
@@ -3469,7 +3474,7 @@ mac_reset_top:
}
if (ctrl & IXGBE_CTRL_RST_MASK) {
- status = IXGBE_ERR_RESET_FAILED;
+ status = -EIO;
hw_dbg(hw, "Reset polling failed to complete.\n");
}
@@ -3565,7 +3570,7 @@ static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
/* Validate the requested mode */
if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
hw_err(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
- return IXGBE_ERR_INVALID_LINK_SETTINGS;
+ return -EINVAL;
}
if (hw->fc.requested_mode == ixgbe_fc_default)
@@ -3622,7 +3627,7 @@ static s32 ixgbe_setup_fc_backplane_x550em_a(struct ixgbe_hw *hw)
break;
default:
hw_err(hw, "Flow control param set incorrectly\n");
- return IXGBE_ERR_CONFIG;
+ return -EIO;
}
status = hw->mac.ops.write_iosf_sb_reg(hw,
@@ -3718,7 +3723,7 @@ static s32 ixgbe_acquire_swfw_sync_x550em_a(struct ixgbe_hw *hw, u32 mask)
return 0;
if (hmask)
ixgbe_release_swfw_sync_X540(hw, hmask);
- if (status != IXGBE_ERR_TOKEN_RETRY)
+ if (status != -EAGAIN)
return status;
msleep(FW_PHY_TOKEN_DELAY);
}
@@ -3762,7 +3767,7 @@ static s32 ixgbe_read_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = hw->phy.ops.read_reg_mdi(hw, reg_addr, device_type, phy_data);
@@ -3788,7 +3793,7 @@ static s32 ixgbe_write_phy_reg_x550a(struct ixgbe_hw *hw, u32 reg_addr,
s32 status;
if (hw->mac.ops.acquire_swfw_sync(hw, mask))
- return IXGBE_ERR_SWFW_SYNC;
+ return -EBUSY;
status = ixgbe_write_phy_reg_mdi(hw, reg_addr, device_type, phy_data);
hw->mac.ops.release_swfw_sync(hw, mask);
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index e0e6275b3..e4e80c2b1 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -581,12 +581,38 @@ err_unroll_pools:
return err;
}
+/* Cleanup pool before actual initialization in the OS */
+static void mvpp2_bm_pool_cleanup(struct mvpp2 *priv, int pool_id)
+{
+ unsigned int thread = mvpp2_cpu_to_thread(priv, get_cpu());
+ u32 val;
+ int i;
+
+ /* Drain the BM from all possible residues left by firmware */
+ for (i = 0; i < MVPP2_BM_POOL_SIZE_MAX; i++)
+ mvpp2_thread_read(priv, thread, MVPP2_BM_PHY_ALLOC_REG(pool_id));
+
+ put_cpu();
+
+ /* Stop the BM pool */
+ val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(pool_id));
+ val |= MVPP2_BM_STOP_MASK;
+ mvpp2_write(priv, MVPP2_BM_POOL_CTRL_REG(pool_id), val);
+}
+
static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
{
enum dma_data_direction dma_dir = DMA_FROM_DEVICE;
int i, err, poolnum = MVPP2_BM_POOLS_NUM;
struct mvpp2_port *port;
+ if (priv->percpu_pools)
+ poolnum = mvpp2_get_nrxqs(priv) * 2;
+
+ /* Clean up the pool state in case it contains stale state */
+ for (i = 0; i < poolnum; i++)
+ mvpp2_bm_pool_cleanup(priv, i);
+
if (priv->percpu_pools) {
for (i = 0; i < priv->port_count; i++) {
port = priv->port_list[i];
@@ -596,7 +622,6 @@ static int mvpp2_bm_init(struct device *dev, struct mvpp2 *priv)
}
}
- poolnum = mvpp2_get_nrxqs(priv) * 2;
for (i = 0; i < poolnum; i++) {
/* the pool in use */
int pn = i / (poolnum / 2);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index c0a0a3127..7f82baf8e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -403,6 +403,11 @@ int cgx_lmac_set_pause_frm(void *cgxd, int lmac_id,
if (!cgx || lmac_id >= cgx->lmac_count)
return -ENODEV;
+ cfg = cgx_read(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL);
+ cfg &= ~CGX_GMP_GMI_RXX_FRM_CTL_CTL_BCK;
+ cfg |= rx_pause ? CGX_GMP_GMI_RXX_FRM_CTL_CTL_BCK : 0x0;
+ cgx_write(cgx, lmac_id, CGXX_GMP_GMI_RXX_FRM_CTL, cfg);
+
cfg = cgx_read(cgx, lmac_id, CGXX_SMUX_RX_FRM_CTL);
cfg &= ~CGX_SMUX_RX_FRM_CTL_CTL_BCK;
cfg |= rx_pause ? CGX_SMUX_RX_FRM_CTL_CTL_BCK : 0x0;
@@ -714,7 +719,7 @@ static irqreturn_t cgx_fwi_event_handler(int irq, void *data)
/* Release thread waiting for completion */
lmac->cmd_pend = false;
- wake_up_interruptible(&lmac->wq_cmd_cmplt);
+ wake_up(&lmac->wq_cmd_cmplt);
break;
case CGX_EVT_ASYNC:
if (cgx_event_is_linkevent(event))
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index acbc67074..23b829f97 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
@@ -1969,10 +1969,9 @@ static void rvu_queue_work(struct mbox_wq_info *mw, int first,
}
}
-static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
+static irqreturn_t rvu_mbox_pf_intr_handler(int irq, void *rvu_irq)
{
struct rvu *rvu = (struct rvu *)rvu_irq;
- int vfs = rvu->vfs;
u64 intr;
intr = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_PFAF_MBOX_INT);
@@ -1986,6 +1985,18 @@ static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
rvu_queue_work(&rvu->afpf_wq_info, 0, rvu->hw->total_pfs, intr);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t rvu_mbox_intr_handler(int irq, void *rvu_irq)
+{
+ struct rvu *rvu = (struct rvu *)rvu_irq;
+ int vfs = rvu->vfs;
+ u64 intr;
+
+ /* Sync with mbox memory region */
+ rmb();
+
/* Handle VF interrupts */
if (vfs > 64) {
intr = rvupf_read64(rvu, RVU_PF_VFPF_MBOX_INTX(1));
@@ -2300,7 +2311,7 @@ static int rvu_register_interrupts(struct rvu *rvu)
/* Register mailbox interrupt handler */
sprintf(&rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], "RVUAF Mbox");
ret = request_irq(pci_irq_vector(rvu->pdev, RVU_AF_INT_VEC_MBOX),
- rvu_mbox_intr_handler, 0,
+ rvu_mbox_pf_intr_handler, 0,
&rvu->irq_name[RVU_AF_INT_VEC_MBOX * NAME_SIZE], rvu);
if (ret) {
dev_err(rvu->dev,
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index e549b09c3..fb4b18be5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -3146,18 +3146,18 @@ int rvu_nix_init(struct rvu *rvu)
*/
rvu_write64(rvu, blkaddr, NIX_AF_CFG,
rvu_read64(rvu, blkaddr, NIX_AF_CFG) | 0x40ULL);
+ }
- /* Set chan/link to backpressure TL3 instead of TL2 */
- rvu_write64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL, 0x01);
+ /* Set chan/link to backpressure TL3 instead of TL2 */
+ rvu_write64(rvu, blkaddr, NIX_AF_PSE_CHANNEL_LEVEL, 0x01);
- /* Disable SQ manager's sticky mode operation (set TM6 = 0)
- * This sticky mode is known to cause SQ stalls when multiple
- * SQs are mapped to same SMQ and transmitting pkts at a time.
- */
- cfg = rvu_read64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS);
- cfg &= ~BIT_ULL(15);
- rvu_write64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS, cfg);
- }
+ /* Disable SQ manager's sticky mode operation (set TM6 = 0)
+ * This sticky mode is known to cause SQ stalls when multiple
+ * SQs are mapped to same SMQ and transmitting pkts at a time.
+ */
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS);
+ cfg &= ~BIT_ULL(15);
+ rvu_write64(rvu, blkaddr, NIX_AF_SQM_DBG_CTL_STATUS, cfg);
ltdefs = rvu->kpu.lt_def;
/* Calibrate X2P bus to check if CGX/LBK links are fine */
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index d6f7a2a58..aada28868 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1598,7 +1598,7 @@ int otx2_open(struct net_device *netdev)
* mcam entries are enabled to receive the packets. Hence disable the
* packet I/O.
*/
- if (err == EIO)
+ if (err == -EIO)
goto err_disable_rxtx;
else if (err)
goto err_tx_stop_queues;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 39c17e903..0ba43c93a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -114,15 +114,18 @@ static u8 alloc_token(struct mlx5_cmd *cmd)
return token;
}
-static int cmd_alloc_index(struct mlx5_cmd *cmd)
+static int cmd_alloc_index(struct mlx5_cmd *cmd, struct mlx5_cmd_work_ent *ent)
{
unsigned long flags;
int ret;
spin_lock_irqsave(&cmd->alloc_lock, flags);
ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds);
- if (ret < cmd->max_reg_cmds)
+ if (ret < cmd->max_reg_cmds) {
clear_bit(ret, &cmd->bitmask);
+ ent->idx = ret;
+ cmd->ent_arr[ent->idx] = ent;
+ }
spin_unlock_irqrestore(&cmd->alloc_lock, flags);
return ret < cmd->max_reg_cmds ? ret : -ENOMEM;
@@ -912,7 +915,7 @@ static void cmd_work_handler(struct work_struct *work)
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
if (!ent->page_queue) {
- alloc_ret = cmd_alloc_index(cmd);
+ alloc_ret = cmd_alloc_index(cmd, ent);
if (alloc_ret < 0) {
mlx5_core_err_rl(dev, "failed to allocate command entry\n");
if (ent->callback) {
@@ -927,15 +930,14 @@ static void cmd_work_handler(struct work_struct *work)
up(sem);
return;
}
- ent->idx = alloc_ret;
} else {
ent->idx = cmd->max_reg_cmds;
spin_lock_irqsave(&cmd->alloc_lock, flags);
clear_bit(ent->idx, &cmd->bitmask);
+ cmd->ent_arr[ent->idx] = ent;
spin_unlock_irqrestore(&cmd->alloc_lock, flags);
}
- cmd->ent_arr[ent->idx] = ent;
lay = get_inst(cmd, ent->idx);
ent->lay = lay;
memset(lay, 0, sizeof(*lay));
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index 39475f656..7c436bdcf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -208,11 +208,13 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
ft->g = kcalloc(MLX5E_ARFS_NUM_GROUPS,
sizeof(*ft->g), GFP_KERNEL);
- in = kvzalloc(inlen, GFP_KERNEL);
- if (!in || !ft->g) {
- kfree(ft->g);
- kvfree(in);
+ if (!ft->g)
return -ENOMEM;
+
+ in = kvzalloc(inlen, GFP_KERNEL);
+ if (!in) {
+ err = -ENOMEM;
+ goto err_free_g;
}
mc = MLX5_ADDR_OF(create_flow_group_in, in, match_criteria);
@@ -232,7 +234,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
break;
default:
err = -EINVAL;
- goto out;
+ goto err_free_in;
}
switch (type) {
@@ -254,7 +256,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
break;
default:
err = -EINVAL;
- goto out;
+ goto err_free_in;
}
MLX5_SET_CFG(in, match_criteria_enable, MLX5_MATCH_OUTER_HEADERS);
@@ -263,7 +265,7 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
- goto err;
+ goto err_clean_group;
ft->num_groups++;
memset(in, 0, inlen);
@@ -272,18 +274,20 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
MLX5_SET_CFG(in, end_flow_index, ix - 1);
ft->g[ft->num_groups] = mlx5_create_flow_group(ft->t, in);
if (IS_ERR(ft->g[ft->num_groups]))
- goto err;
+ goto err_clean_group;
ft->num_groups++;
kvfree(in);
return 0;
-err:
+err_clean_group:
err = PTR_ERR(ft->g[ft->num_groups]);
ft->g[ft->num_groups] = NULL;
-out:
+err_free_in:
kvfree(in);
-
+err_free_g:
+ kfree(ft->g);
+ ft->g = NULL;
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 4e8e3797a..074c9eb44 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -1675,8 +1675,9 @@ static struct mlx5_flow_handle *add_rule_fg(struct mlx5_flow_group *fg,
}
trace_mlx5_fs_set_fte(fte, false);
+ /* Link newly added rules into the tree. */
for (i = 0; i < handle->num_rules; i++) {
- if (refcount_read(&handle->rule[i]->node.refcount) == 1) {
+ if (!handle->rule[i]->node.parent) {
tree_add_node(&handle->rule[i]->node, &fte->node);
trace_mlx5_fs_add_rule(handle->rule[i]);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
index df1363a34..9721fe58e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_action.c
@@ -667,6 +667,7 @@ int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
switch (action_type) {
case DR_ACTION_TYP_DROP:
attr.final_icm_addr = nic_dmn->drop_icm_addr;
+ attr.hit_gvmi = nic_dmn->drop_icm_addr >> 48;
break;
case DR_ACTION_TYP_FT:
dest_action = action;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index 1a86535c4..f568ae250 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -697,7 +697,7 @@ free_skb:
static const struct mlxsw_listener mlxsw_emad_rx_listener =
MLXSW_RXL(mlxsw_emad_rx_listener_func, ETHEMAD, TRAP_TO_CPU, false,
- EMAD, DISCARD);
+ EMAD, FORWARD);
static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core)
{
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
index 483c8b75b..46b1120a8 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c
@@ -713,7 +713,9 @@ static void mlxsw_sp_acl_tcam_vregion_rehash_work(struct work_struct *work)
rehash.dw.work);
int credits = MLXSW_SP_ACL_TCAM_VREGION_REHASH_CREDITS;
+ mutex_lock(&vregion->lock);
mlxsw_sp_acl_tcam_vregion_rehash(vregion->mlxsw_sp, vregion, &credits);
+ mutex_unlock(&vregion->lock);
if (credits < 0)
/* Rehash gone out of credits so it was interrupted.
* Schedule the work as soon as possible to continue.
@@ -724,6 +726,17 @@ static void mlxsw_sp_acl_tcam_vregion_rehash_work(struct work_struct *work)
}
static void
+mlxsw_sp_acl_tcam_rehash_ctx_vchunk_reset(struct mlxsw_sp_acl_tcam_rehash_ctx *ctx)
+{
+ /* The entry markers are relative to the current chunk and therefore
+ * needs to be reset together with the chunk marker.
+ */
+ ctx->current_vchunk = NULL;
+ ctx->start_ventry = NULL;
+ ctx->stop_ventry = NULL;
+}
+
+static void
mlxsw_sp_acl_tcam_rehash_ctx_vchunk_changed(struct mlxsw_sp_acl_tcam_vchunk *vchunk)
{
struct mlxsw_sp_acl_tcam_vregion *vregion = vchunk->vregion;
@@ -745,7 +758,7 @@ mlxsw_sp_acl_tcam_rehash_ctx_vregion_changed(struct mlxsw_sp_acl_tcam_vregion *v
* the current chunk pointer to make sure all chunks
* are properly migrated.
*/
- vregion->rehash.ctx.current_vchunk = NULL;
+ mlxsw_sp_acl_tcam_rehash_ctx_vchunk_reset(&vregion->rehash.ctx);
}
static struct mlxsw_sp_acl_tcam_vregion *
@@ -818,10 +831,14 @@ mlxsw_sp_acl_tcam_vregion_destroy(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam *tcam = vregion->tcam;
if (vgroup->vregion_rehash_enabled && ops->region_rehash_hints_get) {
+ struct mlxsw_sp_acl_tcam_rehash_ctx *ctx = &vregion->rehash.ctx;
+
mutex_lock(&tcam->lock);
list_del(&vregion->tlist);
mutex_unlock(&tcam->lock);
- cancel_delayed_work_sync(&vregion->rehash.dw);
+ if (cancel_delayed_work_sync(&vregion->rehash.dw) &&
+ ctx->hints_priv)
+ ops->region_rehash_hints_put(ctx->hints_priv);
}
mlxsw_sp_acl_tcam_vgroup_vregion_detach(mlxsw_sp, vregion);
if (vregion->region2)
@@ -1187,8 +1204,14 @@ mlxsw_sp_acl_tcam_ventry_activity_get(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_ventry *ventry,
bool *activity)
{
- return mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp,
- ventry->entry, activity);
+ struct mlxsw_sp_acl_tcam_vregion *vregion = ventry->vchunk->vregion;
+ int err;
+
+ mutex_lock(&vregion->lock);
+ err = mlxsw_sp_acl_tcam_entry_activity_get(mlxsw_sp, ventry->entry,
+ activity);
+ mutex_unlock(&vregion->lock);
+ return err;
}
static int
@@ -1222,6 +1245,8 @@ mlxsw_sp_acl_tcam_vchunk_migrate_start(struct mlxsw_sp *mlxsw_sp,
{
struct mlxsw_sp_acl_tcam_chunk *new_chunk;
+ WARN_ON(vchunk->chunk2);
+
new_chunk = mlxsw_sp_acl_tcam_chunk_create(mlxsw_sp, vchunk, region);
if (IS_ERR(new_chunk))
return PTR_ERR(new_chunk);
@@ -1240,7 +1265,7 @@ mlxsw_sp_acl_tcam_vchunk_migrate_end(struct mlxsw_sp *mlxsw_sp,
{
mlxsw_sp_acl_tcam_chunk_destroy(mlxsw_sp, vchunk->chunk2);
vchunk->chunk2 = NULL;
- ctx->current_vchunk = NULL;
+ mlxsw_sp_acl_tcam_rehash_ctx_vchunk_reset(ctx);
}
static int
@@ -1263,6 +1288,9 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
return 0;
}
+ if (list_empty(&vchunk->ventry_list))
+ goto out;
+
/* If the migration got interrupted, we have the ventry to start from
* stored in context.
*/
@@ -1272,6 +1300,8 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
ventry = list_first_entry(&vchunk->ventry_list,
typeof(*ventry), list);
+ WARN_ON(ventry->vchunk != vchunk);
+
list_for_each_entry_from(ventry, &vchunk->ventry_list, list) {
/* During rollback, once we reach the ventry that failed
* to migrate, we are done.
@@ -1312,6 +1342,7 @@ mlxsw_sp_acl_tcam_vchunk_migrate_one(struct mlxsw_sp *mlxsw_sp,
}
}
+out:
mlxsw_sp_acl_tcam_vchunk_migrate_end(mlxsw_sp, vchunk, ctx);
return 0;
}
@@ -1325,6 +1356,9 @@ mlxsw_sp_acl_tcam_vchunk_migrate_all(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_acl_tcam_vchunk *vchunk;
int err;
+ if (list_empty(&vregion->vchunk_list))
+ return 0;
+
/* If the migration got interrupted, we have the vchunk
* we are working on stored in context.
*/
@@ -1353,16 +1387,17 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
int err, err2;
trace_mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion);
- mutex_lock(&vregion->lock);
err = mlxsw_sp_acl_tcam_vchunk_migrate_all(mlxsw_sp, vregion,
ctx, credits);
if (err) {
+ if (ctx->this_is_rollback)
+ return err;
/* In case migration was not successful, we need to swap
* so the original region pointer is assigned again
* to vregion->region.
*/
swap(vregion->region, vregion->region2);
- ctx->current_vchunk = NULL;
+ mlxsw_sp_acl_tcam_rehash_ctx_vchunk_reset(ctx);
ctx->this_is_rollback = true;
err2 = mlxsw_sp_acl_tcam_vchunk_migrate_all(mlxsw_sp, vregion,
ctx, credits);
@@ -1373,7 +1408,6 @@ mlxsw_sp_acl_tcam_vregion_migrate(struct mlxsw_sp *mlxsw_sp,
/* Let the rollback to be continued later on. */
}
}
- mutex_unlock(&vregion->lock);
trace_mlxsw_sp_acl_tcam_vregion_migrate_end(mlxsw_sp, vregion);
return err;
}
@@ -1422,6 +1456,7 @@ mlxsw_sp_acl_tcam_vregion_rehash_start(struct mlxsw_sp *mlxsw_sp,
ctx->hints_priv = hints_priv;
ctx->this_is_rollback = false;
+ mlxsw_sp_acl_tcam_rehash_ctx_vchunk_reset(ctx);
return 0;
@@ -1474,7 +1509,8 @@ mlxsw_sp_acl_tcam_vregion_rehash(struct mlxsw_sp *mlxsw_sp,
err = mlxsw_sp_acl_tcam_vregion_migrate(mlxsw_sp, vregion,
ctx, credits);
if (err) {
- dev_err(mlxsw_sp->bus_info->dev, "Failed to migrate vregion\n");
+ dev_err_ratelimited(mlxsw_sp->bus_info->dev, "Failed to migrate vregion\n");
+ return;
}
if (*credits >= 0)
diff --git a/drivers/net/ethernet/microchip/lan743x_ethtool.c b/drivers/net/ethernet/microchip/lan743x_ethtool.c
index dcde496da..c5de8f46c 100644
--- a/drivers/net/ethernet/microchip/lan743x_ethtool.c
+++ b/drivers/net/ethernet/microchip/lan743x_ethtool.c
@@ -780,7 +780,9 @@ static void lan743x_ethtool_get_wol(struct net_device *netdev,
wol->supported = 0;
wol->wolopts = 0;
- phy_ethtool_get_wol(netdev->phydev, wol);
+
+ if (netdev->phydev)
+ phy_ethtool_get_wol(netdev->phydev, wol);
wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST |
WAKE_MAGIC | WAKE_PHY | WAKE_ARP;
@@ -809,9 +811,8 @@ static int lan743x_ethtool_set_wol(struct net_device *netdev,
device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts);
- phy_ethtool_set_wol(netdev->phydev, wol);
-
- return 0;
+ return netdev->phydev ? phy_ethtool_set_wol(netdev->phydev, wol)
+ : -ENETDOWN;
}
#endif /* CONFIG_PM */
diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c
index f5d48d7c4..da48dd857 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-config.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c
@@ -1121,7 +1121,7 @@ static void __vxge_hw_blockpool_destroy(struct __vxge_hw_blockpool *blockpool)
list_for_each_safe(p, n, &blockpool->free_entry_list) {
list_del(&((struct __vxge_hw_blockpool_entry *)p)->item);
- kfree((void *)p);
+ kfree(p);
}
return;
diff --git a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
index 63907aeb3..3167f9675 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/lag_conf.c
@@ -308,6 +308,11 @@ static void nfp_fl_lag_do_work(struct work_struct *work)
acti_netdevs = kmalloc_array(entry->slave_cnt,
sizeof(*acti_netdevs), GFP_KERNEL);
+ if (!acti_netdevs) {
+ schedule_delayed_work(&lag->work,
+ NFP_FL_LAG_DELAY);
+ continue;
+ }
/* Include sanity check in the loop. It may be that a bond has
* changed between processing the last notification and the
diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
index 088ceac07..08d74d001 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c
@@ -927,7 +927,7 @@ nfp_tunnel_add_shared_mac(struct nfp_app *app, struct net_device *netdev,
u16 nfp_mac_idx = 0;
entry = nfp_tunnel_lookup_offloaded_macs(app, netdev->dev_addr);
- if (entry && nfp_tunnel_is_mac_idx_global(entry->index)) {
+ if (entry && (nfp_tunnel_is_mac_idx_global(entry->index) || netif_is_lag_port(netdev))) {
if (entry->bridge_count ||
!nfp_flower_is_supported_bridge(netdev)) {
nfp_tunnel_offloaded_macs_inc_ref_and_link(entry,
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
index 252fe06f5..4c513e775 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
@@ -542,11 +542,13 @@ static int enable_bars(struct nfp6000_pcie *nfp, u16 interface)
const u32 barcfg_msix_general =
NFP_PCIE_BAR_PCIE2CPP_MapType(
NFP_PCIE_BAR_PCIE2CPP_MapType_GENERAL) |
- NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT;
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect(
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT);
const u32 barcfg_msix_xpb =
NFP_PCIE_BAR_PCIE2CPP_MapType(
NFP_PCIE_BAR_PCIE2CPP_MapType_BULK) |
- NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT |
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect(
+ NFP_PCIE_BAR_PCIE2CPP_LengthSelect_32BIT) |
NFP_PCIE_BAR_PCIE2CPP_Target_BaseAddress(
NFP_CPP_TARGET_ISLAND_XPB);
const u32 barcfg_explicit[4] = {
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index dc5fbc270..b5f681918 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -200,6 +200,7 @@ void ionic_dev_cmd_comp(struct ionic_dev *idev, union ionic_dev_cmd_comp *comp)
void ionic_dev_cmd_go(struct ionic_dev *idev, union ionic_dev_cmd *cmd)
{
+ idev->opcode = cmd->cmd.opcode;
memcpy_toio(&idev->dev_cmd_regs->cmd, cmd, sizeof(*cmd));
iowrite32(0, &idev->dev_cmd_regs->done);
iowrite32(1, &idev->dev_cmd_regs->doorbell);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 64d27e8e0..1ce0d307a 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -136,6 +136,7 @@ struct ionic_dev {
unsigned long last_hb_time;
u32 last_hb;
u8 last_fw_status;
+ u8 opcode;
u64 __iomem *db_pages;
dma_addr_t phy_db_pages;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 49c28134a..a37ca4b1e 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -2708,9 +2708,12 @@ static int ionic_lif_adminq_init(struct ionic_lif *lif)
napi_enable(&qcq->napi);
- if (qcq->flags & IONIC_QCQ_F_INTR)
+ if (qcq->flags & IONIC_QCQ_F_INTR) {
+ irq_set_affinity_hint(qcq->intr.vector,
+ &qcq->intr.affinity_mask);
ionic_intr_mask(idev->intr_ctrl, qcq->intr.index,
IONIC_INTR_MASK_CLEAR);
+ }
qcq->flags |= IONIC_QCQ_F_INITED;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index 00b6985ed..694e71024 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -333,7 +333,7 @@ int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds)
*/
max_wait = jiffies + (max_seconds * HZ);
try_again:
- opcode = readb(&idev->dev_cmd_regs->cmd.cmd.opcode);
+ opcode = idev->opcode;
start_time = jiffies;
do {
done = ionic_dev_cmd_done(idev);
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index c72ff0fd3..c29d43c5f 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5181,6 +5181,15 @@ static int r8169_mdio_register(struct rtl8169_private *tp)
struct mii_bus *new_bus;
int ret;
+ /* On some boards with this chip version the BIOS is buggy and misses
+ * to reset the PHY page selector. This results in the PHY ID read
+ * accessing registers on a different page, returning a more or
+ * less random value. Fix this by resetting the page selector first.
+ */
+ if (tp->mac_version == RTL_GIGA_MAC_VER_25 ||
+ tp->mac_version == RTL_GIGA_MAC_VER_26)
+ r8169_mdio_write(tp, 0x1f, 0);
+
new_bus = devm_mdiobus_alloc(&pdev->dev);
if (!new_bus)
return -ENOMEM;
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 8a4dff056..b08478aab 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -911,12 +911,12 @@ static int ravb_poll(struct napi_struct *napi, int budget)
int q = napi - priv->napi;
int mask = BIT(q);
int quota = budget;
+ bool unmask;
/* Processing RX Descriptor Ring */
/* Clear RX interrupt */
ravb_write(ndev, ~(mask | RIS0_RESERVED), RIS0);
- if (ravb_rx(ndev, &quota, q))
- goto out;
+ unmask = !ravb_rx(ndev, &quota, q);
/* Processing RX Descriptor Ring */
spin_lock_irqsave(&priv->lock, flags);
@@ -926,6 +926,9 @@ static int ravb_poll(struct napi_struct *napi, int budget)
netif_wake_subqueue(ndev, q);
spin_unlock_irqrestore(&priv->lock, flags);
+ if (!unmask)
+ goto out;
+
napi_complete(napi);
/* Re-enable RX/TX interrupts */
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index af4303523..0bc345aff 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -189,6 +189,7 @@ struct stmmac_safety_stats {
unsigned long mac_errors[32];
unsigned long mtl_errors[32];
unsigned long dma_errors[32];
+ unsigned long dma_dpp_errors[32];
};
/* Number of fields in Safety Stats */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index cd11be005..5c6073d95 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -75,19 +75,41 @@ static void dwmac4_rx_queue_priority(struct mac_device_info *hw,
u32 prio, u32 queue)
{
void __iomem *ioaddr = hw->pcsr;
- u32 base_register;
- u32 value;
+ u32 clear_mask = 0;
+ u32 ctrl2, ctrl3;
+ int i;
- base_register = (queue < 4) ? GMAC_RXQ_CTRL2 : GMAC_RXQ_CTRL3;
- if (queue >= 4)
- queue -= 4;
+ ctrl2 = readl(ioaddr + GMAC_RXQ_CTRL2);
+ ctrl3 = readl(ioaddr + GMAC_RXQ_CTRL3);
- value = readl(ioaddr + base_register);
+ /* The software must ensure that the same priority
+ * is not mapped to multiple Rx queues
+ */
+ for (i = 0; i < 4; i++)
+ clear_mask |= ((prio << GMAC_RXQCTRL_PSRQX_SHIFT(i)) &
+ GMAC_RXQCTRL_PSRQX_MASK(i));
- value &= ~GMAC_RXQCTRL_PSRQX_MASK(queue);
- value |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
+ ctrl2 &= ~clear_mask;
+ ctrl3 &= ~clear_mask;
+
+ /* First assign new priorities to a queue, then
+ * clear them from others queues
+ */
+ if (queue < 4) {
+ ctrl2 |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
GMAC_RXQCTRL_PSRQX_MASK(queue);
- writel(value, ioaddr + base_register);
+
+ writel(ctrl2, ioaddr + GMAC_RXQ_CTRL2);
+ writel(ctrl3, ioaddr + GMAC_RXQ_CTRL3);
+ } else {
+ queue -= 4;
+
+ ctrl3 |= (prio << GMAC_RXQCTRL_PSRQX_SHIFT(queue)) &
+ GMAC_RXQCTRL_PSRQX_MASK(queue);
+
+ writel(ctrl3, ioaddr + GMAC_RXQ_CTRL3);
+ writel(ctrl2, ioaddr + GMAC_RXQ_CTRL2);
+ }
}
static void dwmac4_tx_queue_priority(struct mac_device_info *hw,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
index eee58e051..4426cb923 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h
@@ -282,6 +282,8 @@
#define XGMAC_RXCEIE BIT(4)
#define XGMAC_TXCEIE BIT(0)
#define XGMAC_MTL_ECC_INT_STATUS 0x000010cc
+#define XGMAC_MTL_DPP_CONTROL 0x000010e0
+#define XGMAC_DPP_DISABLE BIT(0)
#define XGMAC_MTL_TXQ_OPMODE(x) (0x00001100 + (0x80 * (x)))
#define XGMAC_TQS GENMASK(25, 16)
#define XGMAC_TQS_SHIFT 16
@@ -364,6 +366,7 @@
#define XGMAC_DCEIE BIT(1)
#define XGMAC_TCEIE BIT(0)
#define XGMAC_DMA_ECC_INT_STATUS 0x0000306c
+#define XGMAC_DMA_DPP_INT_STATUS 0x00003074
#define XGMAC_DMA_CH_CONTROL(x) (0x00003100 + (0x80 * (x)))
#define XGMAC_SPH BIT(24)
#define XGMAC_PBLx8 BIT(16)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index b06066746..86f70ea9a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -97,17 +97,41 @@ static void dwxgmac2_rx_queue_prio(struct mac_device_info *hw, u32 prio,
u32 queue)
{
void __iomem *ioaddr = hw->pcsr;
- u32 value, reg;
+ u32 clear_mask = 0;
+ u32 ctrl2, ctrl3;
+ int i;
- reg = (queue < 4) ? XGMAC_RXQ_CTRL2 : XGMAC_RXQ_CTRL3;
- if (queue >= 4)
+ ctrl2 = readl(ioaddr + XGMAC_RXQ_CTRL2);
+ ctrl3 = readl(ioaddr + XGMAC_RXQ_CTRL3);
+
+ /* The software must ensure that the same priority
+ * is not mapped to multiple Rx queues
+ */
+ for (i = 0; i < 4; i++)
+ clear_mask |= ((prio << XGMAC_PSRQ_SHIFT(i)) &
+ XGMAC_PSRQ(i));
+
+ ctrl2 &= ~clear_mask;
+ ctrl3 &= ~clear_mask;
+
+ /* First assign new priorities to a queue, then
+ * clear them from others queues
+ */
+ if (queue < 4) {
+ ctrl2 |= (prio << XGMAC_PSRQ_SHIFT(queue)) &
+ XGMAC_PSRQ(queue);
+
+ writel(ctrl2, ioaddr + XGMAC_RXQ_CTRL2);
+ writel(ctrl3, ioaddr + XGMAC_RXQ_CTRL3);
+ } else {
queue -= 4;
- value = readl(ioaddr + reg);
- value &= ~XGMAC_PSRQ(queue);
- value |= (prio << XGMAC_PSRQ_SHIFT(queue)) & XGMAC_PSRQ(queue);
+ ctrl3 |= (prio << XGMAC_PSRQ_SHIFT(queue)) &
+ XGMAC_PSRQ(queue);
- writel(value, ioaddr + reg);
+ writel(ctrl3, ioaddr + XGMAC_RXQ_CTRL3);
+ writel(ctrl2, ioaddr + XGMAC_RXQ_CTRL2);
+ }
}
static void dwxgmac2_tx_queue_prio(struct mac_device_info *hw, u32 prio,
@@ -788,6 +812,44 @@ static const struct dwxgmac3_error_desc dwxgmac3_dma_errors[32]= {
{ false, "UNKNOWN", "Unknown Error" }, /* 31 */
};
+#define DPP_RX_ERR "Read Rx Descriptor Parity checker Error"
+#define DPP_TX_ERR "Read Tx Descriptor Parity checker Error"
+
+static const struct dwxgmac3_error_desc dwxgmac3_dma_dpp_errors[32] = {
+ { true, "TDPES0", DPP_TX_ERR },
+ { true, "TDPES1", DPP_TX_ERR },
+ { true, "TDPES2", DPP_TX_ERR },
+ { true, "TDPES3", DPP_TX_ERR },
+ { true, "TDPES4", DPP_TX_ERR },
+ { true, "TDPES5", DPP_TX_ERR },
+ { true, "TDPES6", DPP_TX_ERR },
+ { true, "TDPES7", DPP_TX_ERR },
+ { true, "TDPES8", DPP_TX_ERR },
+ { true, "TDPES9", DPP_TX_ERR },
+ { true, "TDPES10", DPP_TX_ERR },
+ { true, "TDPES11", DPP_TX_ERR },
+ { true, "TDPES12", DPP_TX_ERR },
+ { true, "TDPES13", DPP_TX_ERR },
+ { true, "TDPES14", DPP_TX_ERR },
+ { true, "TDPES15", DPP_TX_ERR },
+ { true, "RDPES0", DPP_RX_ERR },
+ { true, "RDPES1", DPP_RX_ERR },
+ { true, "RDPES2", DPP_RX_ERR },
+ { true, "RDPES3", DPP_RX_ERR },
+ { true, "RDPES4", DPP_RX_ERR },
+ { true, "RDPES5", DPP_RX_ERR },
+ { true, "RDPES6", DPP_RX_ERR },
+ { true, "RDPES7", DPP_RX_ERR },
+ { true, "RDPES8", DPP_RX_ERR },
+ { true, "RDPES9", DPP_RX_ERR },
+ { true, "RDPES10", DPP_RX_ERR },
+ { true, "RDPES11", DPP_RX_ERR },
+ { true, "RDPES12", DPP_RX_ERR },
+ { true, "RDPES13", DPP_RX_ERR },
+ { true, "RDPES14", DPP_RX_ERR },
+ { true, "RDPES15", DPP_RX_ERR },
+};
+
static void dwxgmac3_handle_dma_err(struct net_device *ndev,
void __iomem *ioaddr, bool correctable,
struct stmmac_safety_stats *stats)
@@ -799,6 +861,13 @@ static void dwxgmac3_handle_dma_err(struct net_device *ndev,
dwxgmac3_log_error(ndev, value, correctable, "DMA",
dwxgmac3_dma_errors, STAT_OFF(dma_errors), stats);
+
+ value = readl(ioaddr + XGMAC_DMA_DPP_INT_STATUS);
+ writel(value, ioaddr + XGMAC_DMA_DPP_INT_STATUS);
+
+ dwxgmac3_log_error(ndev, value, false, "DMA_DPP",
+ dwxgmac3_dma_dpp_errors,
+ STAT_OFF(dma_dpp_errors), stats);
}
static int dwxgmac3_safety_feat_config(void __iomem *ioaddr, unsigned int asp)
@@ -835,6 +904,12 @@ static int dwxgmac3_safety_feat_config(void __iomem *ioaddr, unsigned int asp)
value |= XGMAC_TMOUTEN; /* FSM Timeout Feature */
writel(value, ioaddr + XGMAC_MAC_FSM_CONTROL);
+ /* 5. Enable Data Path Parity Protection */
+ value = readl(ioaddr + XGMAC_MTL_DPP_CONTROL);
+ /* already enabled by default, explicit enable it again */
+ value &= ~XGMAC_DPP_DISABLE;
+ writel(value, ioaddr + XGMAC_MTL_DPP_CONTROL);
+
return 0;
}
@@ -868,7 +943,11 @@ static int dwxgmac3_safety_feat_irq_status(struct net_device *ndev,
ret |= !corr;
}
- err = dma & (XGMAC_DEUIS | XGMAC_DECIS);
+ /* DMA_DPP_Interrupt_Status is indicated by MCSIS bit in
+ * DMA_Safety_Interrupt_Status, so we handle DMA Data Path
+ * Parity Errors here
+ */
+ err = dma & (XGMAC_DEUIS | XGMAC_DECIS | XGMAC_MCSIS);
corr = dma & XGMAC_DECIS;
if (err) {
dwxgmac3_handle_dma_err(ndev, ioaddr, corr, stats);
@@ -884,6 +963,7 @@ static const struct dwxgmac3_error {
{ dwxgmac3_mac_errors },
{ dwxgmac3_mtl_errors },
{ dwxgmac3_dma_errors },
+ { dwxgmac3_dma_dpp_errors },
};
static int dwxgmac3_safety_feat_dump(struct stmmac_safety_stats *stats,
diff --git a/drivers/net/ethernet/ti/am65-cpts.c b/drivers/net/ethernet/ti/am65-cpts.c
index 5dc60ecab..e0fcdbadf 100644
--- a/drivers/net/ethernet/ti/am65-cpts.c
+++ b/drivers/net/ethernet/ti/am65-cpts.c
@@ -649,6 +649,11 @@ static bool am65_cpts_match_tx_ts(struct am65_cpts *cpts,
struct am65_cpts_skb_cb_data *skb_cb =
(struct am65_cpts_skb_cb_data *)skb->cb;
+ if ((ptp_classify_raw(skb) & PTP_CLASS_V1) &&
+ ((mtype_seqid & AM65_CPTS_EVENT_1_SEQUENCE_ID_MASK) ==
+ (skb_cb->skb_mtype_seqid & AM65_CPTS_EVENT_1_SEQUENCE_ID_MASK)))
+ mtype_seqid = skb_cb->skb_mtype_seqid;
+
if (mtype_seqid == skb_cb->skb_mtype_seqid) {
u64 ns = event->timestamp;
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index da136abba..e50b59efe 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1427,7 +1427,7 @@ static int temac_probe(struct platform_device *pdev)
}
/* map device registers */
- lp->regs = devm_platform_ioremap_resource_byname(pdev, 0);
+ lp->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(lp->regs)) {
dev_err(&pdev->dev, "could not map TEMAC registers\n");
return -ENOMEM;
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c
index 065bb0a40..a1405a3e2 100644
--- a/drivers/net/fjes/fjes_hw.c
+++ b/drivers/net/fjes/fjes_hw.c
@@ -220,21 +220,25 @@ static int fjes_hw_setup(struct fjes_hw *hw)
mem_size = FJES_DEV_REQ_BUF_SIZE(hw->max_epid);
hw->hw_info.req_buf = kzalloc(mem_size, GFP_KERNEL);
- if (!(hw->hw_info.req_buf))
- return -ENOMEM;
+ if (!(hw->hw_info.req_buf)) {
+ result = -ENOMEM;
+ goto free_ep_info;
+ }
hw->hw_info.req_buf_size = mem_size;
mem_size = FJES_DEV_RES_BUF_SIZE(hw->max_epid);
hw->hw_info.res_buf = kzalloc(mem_size, GFP_KERNEL);
- if (!(hw->hw_info.res_buf))
- return -ENOMEM;
+ if (!(hw->hw_info.res_buf)) {
+ result = -ENOMEM;
+ goto free_req_buf;
+ }
hw->hw_info.res_buf_size = mem_size;
result = fjes_hw_alloc_shared_status_region(hw);
if (result)
- return result;
+ goto free_res_buf;
hw->hw_info.buffer_share_bit = 0;
hw->hw_info.buffer_unshare_reserve_bit = 0;
@@ -245,11 +249,11 @@ static int fjes_hw_setup(struct fjes_hw *hw)
result = fjes_hw_alloc_epbuf(&buf_pair->tx);
if (result)
- return result;
+ goto free_epbuf;
result = fjes_hw_alloc_epbuf(&buf_pair->rx);
if (result)
- return result;
+ goto free_epbuf;
spin_lock_irqsave(&hw->rx_status_lock, flags);
fjes_hw_setup_epbuf(&buf_pair->tx, mac,
@@ -272,6 +276,25 @@ static int fjes_hw_setup(struct fjes_hw *hw)
fjes_hw_init_command_registers(hw, &param);
return 0;
+
+free_epbuf:
+ for (epidx = 0; epidx < hw->max_epid ; epidx++) {
+ if (epidx == hw->my_epid)
+ continue;
+ fjes_hw_free_epbuf(&hw->ep_shm_info[epidx].tx);
+ fjes_hw_free_epbuf(&hw->ep_shm_info[epidx].rx);
+ }
+ fjes_hw_free_shared_status_region(hw);
+free_res_buf:
+ kfree(hw->hw_info.res_buf);
+ hw->hw_info.res_buf = NULL;
+free_req_buf:
+ kfree(hw->hw_info.req_buf);
+ hw->hw_info.req_buf = NULL;
+free_ep_info:
+ kfree(hw->ep_shm_info);
+ hw->ep_shm_info = NULL;
+ return result;
}
static void fjes_hw_cleanup(struct fjes_hw *hw)
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 081939cb4..af35361a3 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -218,7 +218,7 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
struct genevehdr *gnvh = geneve_hdr(skb);
struct metadata_dst *tun_dst = NULL;
unsigned int len;
- int err = 0;
+ int nh, err = 0;
void *oiph;
if (ip_tunnel_collect_metadata() || gs->collect_md) {
@@ -262,9 +262,23 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs,
goto drop;
}
- oiph = skb_network_header(skb);
+ /* Save offset of outer header relative to skb->head,
+ * because we are going to reset the network header to the inner header
+ * and might change skb->head.
+ */
+ nh = skb_network_header(skb) - skb->head;
+
skb_reset_network_header(skb);
+ if (!pskb_inet_may_pull(skb)) {
+ DEV_STATS_INC(geneve->dev, rx_length_errors);
+ DEV_STATS_INC(geneve->dev, rx_errors);
+ goto drop;
+ }
+
+ /* Get the outer header. */
+ oiph = skb->head + nh;
+
if (geneve_get_sk_family(gs) == AF_INET)
err = IP_ECN_decapsulate(oiph, skb);
#if IS_ENABLED(CONFIG_IPV6)
@@ -893,7 +907,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- if (!pskb_inet_may_pull(skb))
+ if (!skb_vlan_inet_prepare(skb))
return -EINVAL;
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
@@ -990,7 +1004,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
__be16 sport;
int err;
- if (!pskb_inet_may_pull(skb))
+ if (!skb_vlan_inet_prepare(skb))
return -EINVAL;
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index ed247cba2..c8246363d 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -700,11 +700,12 @@ out_hashtable:
static void gtp_dellink(struct net_device *dev, struct list_head *head)
{
struct gtp_dev *gtp = netdev_priv(dev);
+ struct hlist_node *next;
struct pdp_ctx *pctx;
int i;
for (i = 0; i < gtp->hash_size; i++)
- hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], hlist_tid)
+ hlist_for_each_entry_safe(pctx, next, &gtp->tid_hash[i], hlist_tid)
pdp_context_delete(pctx);
list_del_rcu(&gtp->list);
@@ -1406,26 +1407,26 @@ static int __init gtp_init(void)
get_random_bytes(&gtp_h_initval, sizeof(gtp_h_initval));
- err = rtnl_link_register(&gtp_link_ops);
+ err = register_pernet_subsys(&gtp_net_ops);
if (err < 0)
goto error_out;
- err = genl_register_family(&gtp_genl_family);
+ err = rtnl_link_register(&gtp_link_ops);
if (err < 0)
- goto unreg_rtnl_link;
+ goto unreg_pernet_subsys;
- err = register_pernet_subsys(&gtp_net_ops);
+ err = genl_register_family(&gtp_genl_family);
if (err < 0)
- goto unreg_genl_family;
+ goto unreg_rtnl_link;
pr_info("GTP module loaded (pdp ctx size %zd bytes)\n",
sizeof(struct pdp_ctx));
return 0;
-unreg_genl_family:
- genl_unregister_family(&gtp_genl_family);
unreg_rtnl_link:
rtnl_link_unregister(&gtp_link_ops);
+unreg_pernet_subsys:
+ unregister_pernet_subsys(&gtp_net_ops);
error_out:
pr_err("error loading GTP module loaded\n");
return err;
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 367878493..15652d795 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -847,6 +847,19 @@ struct nvsp_message {
#define NETVSC_XDP_HDRM 256
+#define NETVSC_MIN_OUT_MSG_SIZE (sizeof(struct vmpacket_descriptor) + \
+ sizeof(struct nvsp_message))
+#define NETVSC_MIN_IN_MSG_SIZE sizeof(struct vmpacket_descriptor)
+
+/* Estimated requestor size:
+ * out_ring_size/min_out_msg_size + in_ring_size/min_in_msg_size
+ */
+static inline u32 netvsc_rqstor_size(unsigned long ringbytes)
+{
+ return ringbytes / NETVSC_MIN_OUT_MSG_SIZE +
+ ringbytes / NETVSC_MIN_IN_MSG_SIZE;
+}
+
#define NETVSC_XFER_HEADER_SIZE(rng_cnt) \
(offsetof(struct vmtransfer_page_packet_header, ranges) + \
(rng_cnt) * sizeof(struct vmtransfer_page_range))
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index d15da8287..03333a413 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -37,6 +37,10 @@ void netvsc_switch_datapath(struct net_device *ndev, bool vf)
struct netvsc_device *nv_dev = rtnl_dereference(net_device_ctx->nvdev);
struct nvsp_message *init_pkt = &nv_dev->channel_init_pkt;
+ /* Block sending traffic to VF if it's about to be gone */
+ if (!vf)
+ net_device_ctx->data_path_is_vf = vf;
+
memset(init_pkt, 0, sizeof(struct nvsp_message));
init_pkt->hdr.msg_type = NVSP_MSG4_TYPE_SWITCH_DATA_PATH;
if (vf)
@@ -51,7 +55,10 @@ void netvsc_switch_datapath(struct net_device *ndev, bool vf)
vmbus_sendpacket(dev->channel, init_pkt,
sizeof(struct nvsp_message),
(unsigned long)init_pkt,
- VM_PKT_DATA_INBAND, 0);
+ VM_PKT_DATA_INBAND,
+ VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED);
+ wait_for_completion(&nv_dev->channel_init_wait);
+ net_device_ctx->data_path_is_vf = vf;
}
/* Worker to setup sub channels on initial setup
@@ -163,7 +170,7 @@ static void netvsc_revoke_recv_buf(struct hv_device *device,
ret = vmbus_sendpacket(device->channel,
revoke_packet,
sizeof(struct nvsp_message),
- (unsigned long)revoke_packet,
+ VMBUS_RQST_ID_NO_RESPONSE,
VM_PKT_DATA_INBAND, 0);
/* If the failure is because the channel is rescinded;
* ignore the failure since we cannot send on a rescinded
@@ -213,7 +220,7 @@ static void netvsc_revoke_send_buf(struct hv_device *device,
ret = vmbus_sendpacket(device->channel,
revoke_packet,
sizeof(struct nvsp_message),
- (unsigned long)revoke_packet,
+ VMBUS_RQST_ID_NO_RESPONSE,
VM_PKT_DATA_INBAND, 0);
/* If the failure is because the channel is rescinded;
@@ -557,7 +564,7 @@ static int negotiate_nvsp_ver(struct hv_device *device,
ret = vmbus_sendpacket(device->channel, init_packet,
sizeof(struct nvsp_message),
- (unsigned long)init_packet,
+ VMBUS_RQST_ID_NO_RESPONSE,
VM_PKT_DATA_INBAND, 0);
return ret;
@@ -614,7 +621,7 @@ static int netvsc_connect_vsp(struct hv_device *device,
/* Send the init request */
ret = vmbus_sendpacket(device->channel, init_packet,
sizeof(struct nvsp_message),
- (unsigned long)init_packet,
+ VMBUS_RQST_ID_NO_RESPONSE,
VM_PKT_DATA_INBAND, 0);
if (ret != 0)
goto cleanup;
@@ -654,7 +661,10 @@ void netvsc_device_remove(struct hv_device *device)
/* Disable NAPI and disassociate its context from the device. */
for (i = 0; i < net_device->num_chn; i++) {
/* See also vmbus_reset_channel_cb(). */
- napi_disable(&net_device->chan_table[i].napi);
+ /* only disable enabled NAPI channel */
+ if (i < ndev->real_num_rx_queues)
+ napi_disable(&net_device->chan_table[i].napi);
+
netif_napi_del(&net_device->chan_table[i].napi);
}
@@ -695,10 +705,19 @@ static void netvsc_send_tx_complete(struct net_device *ndev,
const struct vmpacket_descriptor *desc,
int budget)
{
- struct sk_buff *skb = (struct sk_buff *)(unsigned long)desc->trans_id;
struct net_device_context *ndev_ctx = netdev_priv(ndev);
+ struct sk_buff *skb;
u16 q_idx = 0;
int queue_sends;
+ u64 cmd_rqst;
+
+ cmd_rqst = vmbus_request_addr(&channel->requestor, (u64)desc->trans_id);
+ if (cmd_rqst == VMBUS_RQST_ERROR) {
+ netdev_err(ndev, "Incorrect transaction id\n");
+ return;
+ }
+
+ skb = (struct sk_buff *)(unsigned long)cmd_rqst;
/* Notify the layer above us */
if (likely(skb)) {
@@ -745,8 +764,31 @@ static void netvsc_send_completion(struct net_device *ndev,
const struct vmpacket_descriptor *desc,
int budget)
{
- const struct nvsp_message *nvsp_packet = hv_pkt_data(desc);
+ const struct nvsp_message *nvsp_packet;
u32 msglen = hv_pkt_datalen(desc);
+ struct nvsp_message *pkt_rqst;
+ u64 cmd_rqst;
+
+ /* First check if this is a VMBUS completion without data payload */
+ if (!msglen) {
+ cmd_rqst = vmbus_request_addr(&incoming_channel->requestor,
+ (u64)desc->trans_id);
+ if (cmd_rqst == VMBUS_RQST_ERROR) {
+ netdev_err(ndev, "Invalid transaction id\n");
+ return;
+ }
+
+ pkt_rqst = (struct nvsp_message *)(uintptr_t)cmd_rqst;
+ switch (pkt_rqst->hdr.msg_type) {
+ case NVSP_MSG4_TYPE_SWITCH_DATA_PATH:
+ complete(&net_device->channel_init_wait);
+ break;
+
+ default:
+ netdev_err(ndev, "Unexpected VMBUS completion!!\n");
+ }
+ return;
+ }
/* Ensure packet is big enough to read header fields */
if (msglen < sizeof(struct nvsp_message_header)) {
@@ -754,6 +796,7 @@ static void netvsc_send_completion(struct net_device *ndev,
return;
}
+ nvsp_packet = hv_pkt_data(desc);
switch (nvsp_packet->hdr.msg_type) {
case NVSP_MSG_TYPE_INIT_COMPLETE:
if (msglen < sizeof(struct nvsp_message_header) +
@@ -1527,6 +1570,7 @@ struct netvsc_device *netvsc_device_add(struct hv_device *device,
netvsc_poll, NAPI_POLL_WEIGHT);
/* Open the channel */
+ device->channel->rqstor_size = netvsc_rqstor_size(netvsc_ring_bytes);
ret = vmbus_open(device->channel, netvsc_ring_bytes,
netvsc_ring_bytes, NULL, 0,
netvsc_channel_cb, net_device->chan_table);
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 790bf7502..0fc0f9cb3 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -44,6 +44,10 @@
#define LINKCHANGE_INT (2 * HZ)
#define VF_TAKEOVER_INT (HZ / 10)
+/* Macros to define the context of vf registration */
+#define VF_REG_IN_PROBE 1
+#define VF_REG_IN_NOTIFIER 2
+
static unsigned int ring_size __ro_after_init = 128;
module_param(ring_size, uint, 0444);
MODULE_PARM_DESC(ring_size, "Ring buffer size (# of pages)");
@@ -2194,7 +2198,7 @@ static rx_handler_result_t netvsc_vf_handle_frame(struct sk_buff **pskb)
}
static int netvsc_vf_join(struct net_device *vf_netdev,
- struct net_device *ndev)
+ struct net_device *ndev, int context)
{
struct net_device_context *ndev_ctx = netdev_priv(ndev);
int ret;
@@ -2217,7 +2221,11 @@ static int netvsc_vf_join(struct net_device *vf_netdev,
goto upper_link_failed;
}
- schedule_delayed_work(&ndev_ctx->vf_takeover, VF_TAKEOVER_INT);
+ /* If this registration is called from probe context vf_takeover
+ * is taken care of later in probe itself.
+ */
+ if (context == VF_REG_IN_NOTIFIER)
+ schedule_delayed_work(&ndev_ctx->vf_takeover, VF_TAKEOVER_INT);
call_netdevice_notifiers(NETDEV_JOIN, vf_netdev);
@@ -2310,8 +2318,17 @@ static struct net_device *get_netvsc_byslot(const struct net_device *vf_netdev)
if (!ndev_ctx->vf_alloc)
continue;
- if (ndev_ctx->vf_serial == serial)
- return hv_get_drvdata(ndev_ctx->device_ctx);
+ if (ndev_ctx->vf_serial != serial)
+ continue;
+
+ ndev = hv_get_drvdata(ndev_ctx->device_ctx);
+ if (ndev->addr_len != vf_netdev->addr_len ||
+ memcmp(ndev->perm_addr, vf_netdev->perm_addr,
+ ndev->addr_len) != 0)
+ continue;
+
+ return ndev;
+
}
/* Fallback path to check synthetic vf with help of mac addr.
@@ -2346,7 +2363,7 @@ static int netvsc_prepare_bonding(struct net_device *vf_netdev)
return NOTIFY_DONE;
}
-static int netvsc_register_vf(struct net_device *vf_netdev)
+static int netvsc_register_vf(struct net_device *vf_netdev, int context)
{
struct net_device_context *net_device_ctx;
struct netvsc_device *netvsc_dev;
@@ -2386,7 +2403,7 @@ static int netvsc_register_vf(struct net_device *vf_netdev)
netdev_info(ndev, "VF registering: %s\n", vf_netdev->name);
- if (netvsc_vf_join(vf_netdev, ndev) != 0)
+ if (netvsc_vf_join(vf_netdev, ndev, context) != 0)
return NOTIFY_DONE;
dev_hold(vf_netdev);
@@ -2411,12 +2428,15 @@ static int netvsc_register_vf(struct net_device *vf_netdev)
* During hibernation, if a VF NIC driver (e.g. mlx5) preserves the network
* interface, there is only the CHANGE event and no UP or DOWN event.
*/
-static int netvsc_vf_changed(struct net_device *vf_netdev)
+static int netvsc_vf_changed(struct net_device *vf_netdev, unsigned long event)
{
struct net_device_context *net_device_ctx;
struct netvsc_device *netvsc_dev;
struct net_device *ndev;
- bool vf_is_up = netif_running(vf_netdev);
+ bool vf_is_up = false;
+
+ if (event != NETDEV_GOING_DOWN)
+ vf_is_up = netif_running(vf_netdev);
ndev = get_netvsc_byref(vf_netdev);
if (!ndev)
@@ -2429,7 +2449,6 @@ static int netvsc_vf_changed(struct net_device *vf_netdev)
if (net_device_ctx->data_path_is_vf == vf_is_up)
return NOTIFY_OK;
- net_device_ctx->data_path_is_vf = vf_is_up;
if (vf_is_up && !net_device_ctx->vf_alloc) {
netdev_info(ndev, "Waiting for the VF association from host\n");
@@ -2468,10 +2487,31 @@ static int netvsc_unregister_vf(struct net_device *vf_netdev)
return NOTIFY_OK;
}
+static int check_dev_is_matching_vf(struct net_device *event_ndev)
+{
+ /* Skip NetVSC interfaces */
+ if (event_ndev->netdev_ops == &device_ops)
+ return -ENODEV;
+
+ /* Avoid non-Ethernet type devices */
+ if (event_ndev->type != ARPHRD_ETHER)
+ return -ENODEV;
+
+ /* Avoid Vlan dev with same MAC registering as VF */
+ if (is_vlan_dev(event_ndev))
+ return -ENODEV;
+
+ /* Avoid Bonding master dev with same MAC registering as VF */
+ if (netif_is_bond_master(event_ndev))
+ return -ENODEV;
+
+ return 0;
+}
+
static int netvsc_probe(struct hv_device *dev,
const struct hv_vmbus_device_id *dev_id)
{
- struct net_device *net = NULL;
+ struct net_device *net = NULL, *vf_netdev;
struct net_device_context *net_device_ctx;
struct netvsc_device_info *device_info = NULL;
struct netvsc_device *nvdev;
@@ -2579,6 +2619,30 @@ static int netvsc_probe(struct hv_device *dev,
}
list_add(&net_device_ctx->list, &netvsc_dev_list);
+
+ /* When the hv_netvsc driver is unloaded and reloaded, the
+ * NET_DEVICE_REGISTER for the vf device is replayed before probe
+ * is complete. This is because register_netdevice_notifier() gets
+ * registered before vmbus_driver_register() so that callback func
+ * is set before probe and we don't miss events like NETDEV_POST_INIT
+ * So, in this section we try to register the matching vf device that
+ * is present as a netdevice, knowing that its register call is not
+ * processed in the netvsc_netdev_notifier(as probing is progress and
+ * get_netvsc_byslot fails).
+ */
+ for_each_netdev(dev_net(net), vf_netdev) {
+ ret = check_dev_is_matching_vf(vf_netdev);
+ if (ret != 0)
+ continue;
+
+ if (net != get_netvsc_byslot(vf_netdev))
+ continue;
+
+ netvsc_prepare_bonding(vf_netdev);
+ netvsc_register_vf(vf_netdev, VF_REG_IN_PROBE);
+ __netvsc_vf_setup(net, vf_netdev);
+ break;
+ }
rtnl_unlock();
netvsc_devinfo_put(device_info);
@@ -2735,35 +2799,24 @@ static int netvsc_netdev_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
+ int ret = 0;
- /* Skip our own events */
- if (event_dev->netdev_ops == &device_ops)
- return NOTIFY_DONE;
-
- /* Avoid non-Ethernet type devices */
- if (event_dev->type != ARPHRD_ETHER)
- return NOTIFY_DONE;
-
- /* Avoid Vlan dev with same MAC registering as VF */
- if (is_vlan_dev(event_dev))
- return NOTIFY_DONE;
-
- /* Avoid Bonding master dev with same MAC registering as VF */
- if ((event_dev->priv_flags & IFF_BONDING) &&
- (event_dev->flags & IFF_MASTER))
+ ret = check_dev_is_matching_vf(event_dev);
+ if (ret != 0)
return NOTIFY_DONE;
switch (event) {
case NETDEV_POST_INIT:
return netvsc_prepare_bonding(event_dev);
case NETDEV_REGISTER:
- return netvsc_register_vf(event_dev);
+ return netvsc_register_vf(event_dev, VF_REG_IN_NOTIFIER);
case NETDEV_UNREGISTER:
return netvsc_unregister_vf(event_dev);
case NETDEV_UP:
case NETDEV_DOWN:
case NETDEV_CHANGE:
- return netvsc_vf_changed(event_dev);
+ case NETDEV_GOING_DOWN:
+ return netvsc_vf_changed(event_dev, event);
default:
return NOTIFY_DONE;
}
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index 90bc0008f..13f62950e 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -1170,6 +1170,7 @@ static void netvsc_sc_open(struct vmbus_channel *new_sc)
/* Set the channel before opening.*/
nvchan->channel = new_sc;
+ new_sc->rqstor_size = netvsc_rqstor_size(netvsc_ring_bytes);
ret = vmbus_open(new_sc, netvsc_ring_bytes,
netvsc_ring_bytes, NULL, 0,
netvsc_channel_cb, nvchan);
diff --git a/drivers/net/phy/dp83822.c b/drivers/net/phy/dp83822.c
index 814129994..14c5e082c 100644
--- a/drivers/net/phy/dp83822.c
+++ b/drivers/net/phy/dp83822.c
@@ -94,7 +94,8 @@
#define DP83822_WOL_INDICATION_SEL BIT(8)
#define DP83822_WOL_CLR_INDICATION BIT(11)
-/* RSCR bits */
+/* RCSR bits */
+#define DP83822_RGMII_MODE_EN BIT(9)
#define DP83822_RX_CLK_SHIFT BIT(12)
#define DP83822_TX_CLK_SHIFT BIT(11)
@@ -358,7 +359,7 @@ static int dp83822_config_init(struct phy_device *phydev)
{
struct dp83822_private *dp83822 = phydev->priv;
struct device *dev = &phydev->mdio.dev;
- int rgmii_delay;
+ int rgmii_delay = 0;
s32 rx_int_delay;
s32 tx_int_delay;
int err = 0;
@@ -368,24 +369,33 @@ static int dp83822_config_init(struct phy_device *phydev)
rx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0,
true);
- if (rx_int_delay <= 0)
- rgmii_delay = 0;
- else
- rgmii_delay = DP83822_RX_CLK_SHIFT;
+ /* Set DP83822_RX_CLK_SHIFT to enable rx clk internal delay */
+ if (rx_int_delay > 0)
+ rgmii_delay |= DP83822_RX_CLK_SHIFT;
tx_int_delay = phy_get_internal_delay(phydev, dev, NULL, 0,
false);
+
+ /* Set DP83822_TX_CLK_SHIFT to disable tx clk internal delay */
if (tx_int_delay <= 0)
- rgmii_delay &= ~DP83822_TX_CLK_SHIFT;
- else
rgmii_delay |= DP83822_TX_CLK_SHIFT;
- if (rgmii_delay) {
- err = phy_set_bits_mmd(phydev, DP83822_DEVADDR,
- MII_DP83822_RCSR, rgmii_delay);
- if (err)
- return err;
- }
+ err = phy_modify_mmd(phydev, DP83822_DEVADDR, MII_DP83822_RCSR,
+ DP83822_RX_CLK_SHIFT | DP83822_TX_CLK_SHIFT, rgmii_delay);
+ if (err)
+ return err;
+
+ err = phy_set_bits_mmd(phydev, DP83822_DEVADDR,
+ MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
+
+ if (err)
+ return err;
+ } else {
+ err = phy_clear_bits_mmd(phydev, DP83822_DEVADDR,
+ MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
+
+ if (err)
+ return err;
}
if (dp83822->fx_enabled) {
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 095d16cea..8654e05dd 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -2769,7 +2769,7 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev,
if (delay < 0)
return delay;
- if (delay && size == 0)
+ if (size == 0)
return delay;
if (delay < delay_values[0] || delay > delay_values[size - 1]) {
diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c
index f14a9d190..aada8a3c1 100644
--- a/drivers/net/ppp/ppp_async.c
+++ b/drivers/net/ppp/ppp_async.c
@@ -471,6 +471,10 @@ ppp_async_ioctl(struct ppp_channel *chan, unsigned int cmd, unsigned long arg)
case PPPIOCSMRU:
if (get_user(val, p))
break;
+ if (val > U16_MAX) {
+ err = -EINVAL;
+ break;
+ }
if (val < PPP_MRU)
val = PPP_MRU;
ap->mru = val;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 0b25b59f4..77e63e736 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -665,6 +665,7 @@ static void __tun_detach(struct tun_file *tfile, bool clean)
tun->tfiles[tun->numqueues - 1]);
ntfile = rtnl_dereference(tun->tfiles[index]);
ntfile->queue_index = index;
+ ntfile->xdp_rxq.queue_index = index;
rcu_assign_pointer(tun->tfiles[tun->numqueues - 1],
NULL);
@@ -2140,14 +2141,16 @@ static ssize_t tun_put_user(struct tun_struct *tun,
tun_is_little_endian(tun), true,
vlan_hlen)) {
struct skb_shared_info *sinfo = skb_shinfo(skb);
- pr_err("unexpected GSO type: "
- "0x%x, gso_size %d, hdr_len %d\n",
- sinfo->gso_type, tun16_to_cpu(tun, gso.gso_size),
- tun16_to_cpu(tun, gso.hdr_len));
- print_hex_dump(KERN_ERR, "tun: ",
- DUMP_PREFIX_NONE,
- 16, 1, skb->head,
- min((int)tun16_to_cpu(tun, gso.hdr_len), 64), true);
+
+ if (net_ratelimit()) {
+ netdev_err(tun->dev, "unexpected GSO type: 0x%x, gso_size %d, hdr_len %d\n",
+ sinfo->gso_type, tun16_to_cpu(tun, gso.gso_size),
+ tun16_to_cpu(tun, gso.hdr_len));
+ print_hex_dump(KERN_ERR, "tun: ",
+ DUMP_PREFIX_NONE,
+ 16, 1, skb->head,
+ min((int)tun16_to_cpu(tun, gso.hdr_len), 64), true);
+ }
WARN_ON_ONCE(1);
return -EINVAL;
}
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 38cb863cc..da4a2427b 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1558,21 +1558,16 @@ static int ax88179_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
/* Skip IP alignment pseudo header */
skb_pull(skb, 2);
- skb->truesize = SKB_TRUESIZE(pkt_len_plus_padd);
ax88179_rx_checksum(skb, pkt_hdr);
return 1;
}
- ax_skb = skb_clone(skb, GFP_ATOMIC);
+ ax_skb = netdev_alloc_skb_ip_align(dev->net, pkt_len);
if (!ax_skb)
return 0;
- skb_trim(ax_skb, pkt_len);
+ skb_put(ax_skb, pkt_len);
+ memcpy(ax_skb->data, skb->data + 2, pkt_len);
- /* Skip IP alignment pseudo header */
- skb_pull(ax_skb, 2);
-
- skb->truesize = pkt_len_plus_padd +
- SKB_DATA_ALIGN(sizeof(struct sk_buff));
ax88179_rx_checksum(ax_skb, pkt_hdr);
usbnet_skb_return(dev, ax_skb);
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 5aad26600..9b7db5fd9 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -231,7 +231,7 @@ static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc)
err = dm_read_shared_word(dev, 1, loc, &res);
if (err < 0) {
netdev_err(dev->net, "MDIO read error: %d\n", err);
- return err;
+ return 0;
}
netdev_dbg(dev->net,
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 667984efe..96d3d0bd2 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -90,6 +90,12 @@
/* statistic update interval (mSec) */
#define STAT_UPDATE_TIMER (1 * 1000)
+/* time to wait for MAC or FCT to stop (jiffies) */
+#define HW_DISABLE_TIMEOUT (HZ / 10)
+
+/* time to wait between polling MAC or FCT state (ms) */
+#define HW_DISABLE_DELAY_MS 1
+
/* defines interrupts from interrupt EP */
#define MAX_INT_EP (32)
#define INT_EP_INTEP (31)
@@ -384,8 +390,9 @@ struct lan78xx_net {
struct urb *urb_intr;
struct usb_anchor deferred;
+ struct mutex dev_mutex; /* serialise open/stop wrt suspend/resume */
struct mutex phy_mutex; /* for phy access */
- unsigned pipe_in, pipe_out, pipe_intr;
+ unsigned int pipe_in, pipe_out, pipe_intr;
u32 hard_mtu; /* count any extra framing */
size_t rx_urb_size; /* size for rx urbs */
@@ -395,7 +402,7 @@ struct lan78xx_net {
wait_queue_head_t *wait;
unsigned char suspend_count;
- unsigned maxpacket;
+ unsigned int maxpacket;
struct timer_list delay;
struct timer_list stat_monitor;
@@ -479,6 +486,26 @@ static int lan78xx_write_reg(struct lan78xx_net *dev, u32 index, u32 data)
return ret;
}
+static int lan78xx_update_reg(struct lan78xx_net *dev, u32 reg, u32 mask,
+ u32 data)
+{
+ int ret;
+ u32 buf;
+
+ ret = lan78xx_read_reg(dev, reg, &buf);
+ if (ret < 0)
+ return ret;
+
+ buf &= ~mask;
+ buf |= (mask & data);
+
+ ret = lan78xx_write_reg(dev, reg, buf);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
static int lan78xx_read_stats(struct lan78xx_net *dev,
struct lan78xx_statstage *data)
{
@@ -504,7 +531,7 @@ static int lan78xx_read_stats(struct lan78xx_net *dev,
if (likely(ret >= 0)) {
src = (u32 *)stats;
dst = (u32 *)data;
- for (i = 0; i < sizeof(*stats)/sizeof(u32); i++) {
+ for (i = 0; i < sizeof(*stats) / sizeof(u32); i++) {
le32_to_cpus(&src[i]);
dst[i] = src[i];
}
@@ -518,10 +545,11 @@ static int lan78xx_read_stats(struct lan78xx_net *dev,
return ret;
}
-#define check_counter_rollover(struct1, dev_stats, member) { \
- if (struct1->member < dev_stats.saved.member) \
- dev_stats.rollover_count.member++; \
- }
+#define check_counter_rollover(struct1, dev_stats, member) \
+ do { \
+ if ((struct1)->member < (dev_stats).saved.member) \
+ (dev_stats).rollover_count.member++; \
+ } while (0)
static void lan78xx_check_stat_rollover(struct lan78xx_net *dev,
struct lan78xx_statstage *stats)
@@ -847,9 +875,9 @@ static int lan78xx_read_raw_otp(struct lan78xx_net *dev, u32 offset,
for (i = 0; i < length; i++) {
lan78xx_write_reg(dev, OTP_ADDR1,
- ((offset + i) >> 8) & OTP_ADDR1_15_11);
+ ((offset + i) >> 8) & OTP_ADDR1_15_11);
lan78xx_write_reg(dev, OTP_ADDR2,
- ((offset + i) & OTP_ADDR2_10_3));
+ ((offset + i) & OTP_ADDR2_10_3));
lan78xx_write_reg(dev, OTP_FUNC_CMD, OTP_FUNC_CMD_READ_);
lan78xx_write_reg(dev, OTP_CMD_GO, OTP_CMD_GO_GO_);
@@ -903,9 +931,9 @@ static int lan78xx_write_raw_otp(struct lan78xx_net *dev, u32 offset,
for (i = 0; i < length; i++) {
lan78xx_write_reg(dev, OTP_ADDR1,
- ((offset + i) >> 8) & OTP_ADDR1_15_11);
+ ((offset + i) >> 8) & OTP_ADDR1_15_11);
lan78xx_write_reg(dev, OTP_ADDR2,
- ((offset + i) & OTP_ADDR2_10_3));
+ ((offset + i) & OTP_ADDR2_10_3));
lan78xx_write_reg(dev, OTP_PRGM_DATA, data[i]);
lan78xx_write_reg(dev, OTP_TST_CMD, OTP_TST_CMD_PRGVRFY_);
lan78xx_write_reg(dev, OTP_CMD_GO, OTP_CMD_GO_GO_);
@@ -962,7 +990,7 @@ static int lan78xx_dataport_wait_not_busy(struct lan78xx_net *dev)
usleep_range(40, 100);
}
- netdev_warn(dev->net, "lan78xx_dataport_wait_not_busy timed out");
+ netdev_warn(dev->net, "%s timed out", __func__);
return -EIO;
}
@@ -975,7 +1003,7 @@ static int lan78xx_dataport_write(struct lan78xx_net *dev, u32 ram_select,
int i, ret;
if (usb_autopm_get_interface(dev->intf) < 0)
- return 0;
+ return 0;
mutex_lock(&pdata->dataport_mutex);
@@ -1048,9 +1076,9 @@ static void lan78xx_deferred_multicast_write(struct work_struct *param)
for (i = 1; i < NUM_OF_MAF; i++) {
lan78xx_write_reg(dev, MAF_HI(i), 0);
lan78xx_write_reg(dev, MAF_LO(i),
- pdata->pfilter_table[i][1]);
+ pdata->pfilter_table[i][1]);
lan78xx_write_reg(dev, MAF_HI(i),
- pdata->pfilter_table[i][0]);
+ pdata->pfilter_table[i][0]);
}
lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
@@ -1069,11 +1097,12 @@ static void lan78xx_set_multicast(struct net_device *netdev)
RFE_CTL_DA_PERFECT_ | RFE_CTL_MCAST_HASH_);
for (i = 0; i < DP_SEL_VHF_HASH_LEN; i++)
- pdata->mchash_table[i] = 0;
+ pdata->mchash_table[i] = 0;
+
/* pfilter_table[0] has own HW address */
for (i = 1; i < NUM_OF_MAF; i++) {
- pdata->pfilter_table[i][0] =
- pdata->pfilter_table[i][1] = 0;
+ pdata->pfilter_table[i][0] = 0;
+ pdata->pfilter_table[i][1] = 0;
}
pdata->rfe_ctl |= RFE_CTL_BCAST_EN_;
@@ -1163,7 +1192,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
/* clear LAN78xx interrupt status */
ret = lan78xx_write_reg(dev, INT_STS, INT_STS_PHY_INT_);
if (unlikely(ret < 0))
- return -EIO;
+ return ret;
mutex_lock(&phydev->lock);
phy_read_status(phydev);
@@ -1176,11 +1205,11 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
/* reset MAC */
ret = lan78xx_read_reg(dev, MAC_CR, &buf);
if (unlikely(ret < 0))
- return -EIO;
+ return ret;
buf |= MAC_CR_RST_;
ret = lan78xx_write_reg(dev, MAC_CR, buf);
if (unlikely(ret < 0))
- return -EIO;
+ return ret;
del_timer(&dev->stat_monitor);
} else if (link && !dev->link_on) {
@@ -1192,18 +1221,30 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
if (ecmd.base.speed == 1000) {
/* disable U2 */
ret = lan78xx_read_reg(dev, USB_CFG1, &buf);
+ if (ret < 0)
+ return ret;
buf &= ~USB_CFG1_DEV_U2_INIT_EN_;
ret = lan78xx_write_reg(dev, USB_CFG1, buf);
+ if (ret < 0)
+ return ret;
/* enable U1 */
ret = lan78xx_read_reg(dev, USB_CFG1, &buf);
+ if (ret < 0)
+ return ret;
buf |= USB_CFG1_DEV_U1_INIT_EN_;
ret = lan78xx_write_reg(dev, USB_CFG1, buf);
+ if (ret < 0)
+ return ret;
} else {
/* enable U1 & U2 */
ret = lan78xx_read_reg(dev, USB_CFG1, &buf);
+ if (ret < 0)
+ return ret;
buf |= USB_CFG1_DEV_U2_INIT_EN_;
buf |= USB_CFG1_DEV_U1_INIT_EN_;
ret = lan78xx_write_reg(dev, USB_CFG1, buf);
+ if (ret < 0)
+ return ret;
}
}
@@ -1221,6 +1262,8 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
ret = lan78xx_update_flowcontrol(dev, ecmd.base.duplex, ladv,
radv);
+ if (ret < 0)
+ return ret;
if (!timer_pending(&dev->stat_monitor)) {
dev->delta = 1;
@@ -1231,7 +1274,7 @@ static int lan78xx_link_reset(struct lan78xx_net *dev)
tasklet_schedule(&dev->bh);
}
- return ret;
+ return 0;
}
/* some work can't be done in tasklets, so we use keventd
@@ -1267,9 +1310,10 @@ static void lan78xx_status(struct lan78xx_net *dev, struct urb *urb)
generic_handle_irq(dev->domain_data.phyirq);
local_irq_enable();
}
- } else
+ } else {
netdev_warn(dev->net,
"unexpected interrupt: 0x%08x\n", intdata);
+ }
}
static int lan78xx_ethtool_get_eeprom_len(struct net_device *netdev)
@@ -1358,7 +1402,7 @@ static void lan78xx_get_wol(struct net_device *netdev,
struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]);
if (usb_autopm_get_interface(dev->intf) < 0)
- return;
+ return;
ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
if (unlikely(ret < 0)) {
@@ -1980,7 +2024,7 @@ static int lan8835_fixup(struct phy_device *phydev)
/* RGMII MAC TXC Delay Enable */
lan78xx_write_reg(dev, MAC_RGMII_ID,
- MAC_RGMII_ID_TXC_DELAY_EN_);
+ MAC_RGMII_ID_TXC_DELAY_EN_);
/* RGMII TX DLL Tune Adjust */
lan78xx_write_reg(dev, RGMII_TX_BYP_DLL, 0x3D00);
@@ -2244,11 +2288,16 @@ static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu)
int ll_mtu = new_mtu + netdev->hard_header_len;
int old_hard_mtu = dev->hard_mtu;
int old_rx_urb_size = dev->rx_urb_size;
+ int ret;
/* no second zero-length packet read wanted after mtu-sized packets */
if ((ll_mtu % dev->maxpacket) == 0)
return -EDOM;
+ ret = usb_autopm_get_interface(dev->intf);
+ if (ret < 0)
+ return ret;
+
lan78xx_set_rx_max_frame_length(dev, new_mtu + VLAN_ETH_HLEN);
netdev->mtu = new_mtu;
@@ -2264,6 +2313,8 @@ static int lan78xx_change_mtu(struct net_device *netdev, int new_mtu)
}
}
+ usb_autopm_put_interface(dev->intf);
+
return 0;
}
@@ -2420,26 +2471,186 @@ static void lan78xx_init_ltm(struct lan78xx_net *dev)
lan78xx_write_reg(dev, LTM_INACTIVE1, regs[5]);
}
+static int lan78xx_start_hw(struct lan78xx_net *dev, u32 reg, u32 hw_enable)
+{
+ return lan78xx_update_reg(dev, reg, hw_enable, hw_enable);
+}
+
+static int lan78xx_stop_hw(struct lan78xx_net *dev, u32 reg, u32 hw_enabled,
+ u32 hw_disabled)
+{
+ unsigned long timeout;
+ bool stopped = true;
+ int ret;
+ u32 buf;
+
+ /* Stop the h/w block (if not already stopped) */
+
+ ret = lan78xx_read_reg(dev, reg, &buf);
+ if (ret < 0)
+ return ret;
+
+ if (buf & hw_enabled) {
+ buf &= ~hw_enabled;
+
+ ret = lan78xx_write_reg(dev, reg, buf);
+ if (ret < 0)
+ return ret;
+
+ stopped = false;
+ timeout = jiffies + HW_DISABLE_TIMEOUT;
+ do {
+ ret = lan78xx_read_reg(dev, reg, &buf);
+ if (ret < 0)
+ return ret;
+
+ if (buf & hw_disabled)
+ stopped = true;
+ else
+ msleep(HW_DISABLE_DELAY_MS);
+ } while (!stopped && !time_after(jiffies, timeout));
+ }
+
+ ret = stopped ? 0 : -ETIME;
+
+ return ret;
+}
+
+static int lan78xx_flush_fifo(struct lan78xx_net *dev, u32 reg, u32 fifo_flush)
+{
+ return lan78xx_update_reg(dev, reg, fifo_flush, fifo_flush);
+}
+
+static int lan78xx_start_tx_path(struct lan78xx_net *dev)
+{
+ int ret;
+
+ netif_dbg(dev, drv, dev->net, "start tx path");
+
+ /* Start the MAC transmitter */
+
+ ret = lan78xx_start_hw(dev, MAC_TX, MAC_TX_TXEN_);
+ if (ret < 0)
+ return ret;
+
+ /* Start the Tx FIFO */
+
+ ret = lan78xx_start_hw(dev, FCT_TX_CTL, FCT_TX_CTL_EN_);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int lan78xx_stop_tx_path(struct lan78xx_net *dev)
+{
+ int ret;
+
+ netif_dbg(dev, drv, dev->net, "stop tx path");
+
+ /* Stop the Tx FIFO */
+
+ ret = lan78xx_stop_hw(dev, FCT_TX_CTL, FCT_TX_CTL_EN_, FCT_TX_CTL_DIS_);
+ if (ret < 0)
+ return ret;
+
+ /* Stop the MAC transmitter */
+
+ ret = lan78xx_stop_hw(dev, MAC_TX, MAC_TX_TXEN_, MAC_TX_TXD_);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* The caller must ensure the Tx path is stopped before calling
+ * lan78xx_flush_tx_fifo().
+ */
+static int lan78xx_flush_tx_fifo(struct lan78xx_net *dev)
+{
+ return lan78xx_flush_fifo(dev, FCT_TX_CTL, FCT_TX_CTL_RST_);
+}
+
+static int lan78xx_start_rx_path(struct lan78xx_net *dev)
+{
+ int ret;
+
+ netif_dbg(dev, drv, dev->net, "start rx path");
+
+ /* Start the Rx FIFO */
+
+ ret = lan78xx_start_hw(dev, FCT_RX_CTL, FCT_RX_CTL_EN_);
+ if (ret < 0)
+ return ret;
+
+ /* Start the MAC receiver*/
+
+ ret = lan78xx_start_hw(dev, MAC_RX, MAC_RX_RXEN_);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int lan78xx_stop_rx_path(struct lan78xx_net *dev)
+{
+ int ret;
+
+ netif_dbg(dev, drv, dev->net, "stop rx path");
+
+ /* Stop the MAC receiver */
+
+ ret = lan78xx_stop_hw(dev, MAC_RX, MAC_RX_RXEN_, MAC_RX_RXD_);
+ if (ret < 0)
+ return ret;
+
+ /* Stop the Rx FIFO */
+
+ ret = lan78xx_stop_hw(dev, FCT_RX_CTL, FCT_RX_CTL_EN_, FCT_RX_CTL_DIS_);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+/* The caller must ensure the Rx path is stopped before calling
+ * lan78xx_flush_rx_fifo().
+ */
+static int lan78xx_flush_rx_fifo(struct lan78xx_net *dev)
+{
+ return lan78xx_flush_fifo(dev, FCT_RX_CTL, FCT_RX_CTL_RST_);
+}
+
static int lan78xx_reset(struct lan78xx_net *dev)
{
struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]);
- u32 buf;
- int ret = 0;
unsigned long timeout;
+ int ret;
+ u32 buf;
u8 sig;
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
+ if (ret < 0)
+ return ret;
+
buf |= HW_CFG_LRST_;
+
ret = lan78xx_write_reg(dev, HW_CFG, buf);
+ if (ret < 0)
+ return ret;
timeout = jiffies + HZ;
do {
mdelay(1);
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
+ if (ret < 0)
+ return ret;
+
if (time_after(jiffies, timeout)) {
netdev_warn(dev->net,
"timeout on completion of LiteReset");
- return -EIO;
+ ret = -ETIMEDOUT;
+ return ret;
}
} while (buf & HW_CFG_LRST_);
@@ -2447,13 +2658,22 @@ static int lan78xx_reset(struct lan78xx_net *dev)
/* save DEVID for later usage */
ret = lan78xx_read_reg(dev, ID_REV, &buf);
+ if (ret < 0)
+ return ret;
+
dev->chipid = (buf & ID_REV_CHIP_ID_MASK_) >> 16;
dev->chiprev = buf & ID_REV_CHIP_REV_MASK_;
/* Respond to the IN token with a NAK */
ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
+ if (ret < 0)
+ return ret;
+
buf |= USB_CFG_BIR_;
+
ret = lan78xx_write_reg(dev, USB_CFG0, buf);
+ if (ret < 0)
+ return ret;
/* Init LTM */
lan78xx_init_ltm(dev);
@@ -2476,58 +2696,111 @@ static int lan78xx_reset(struct lan78xx_net *dev)
}
ret = lan78xx_write_reg(dev, BURST_CAP, buf);
+ if (ret < 0)
+ return ret;
+
ret = lan78xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY);
+ if (ret < 0)
+ return ret;
ret = lan78xx_read_reg(dev, HW_CFG, &buf);
+ if (ret < 0)
+ return ret;
+
buf |= HW_CFG_MEF_;
+
ret = lan78xx_write_reg(dev, HW_CFG, buf);
+ if (ret < 0)
+ return ret;
ret = lan78xx_read_reg(dev, USB_CFG0, &buf);
+ if (ret < 0)
+ return ret;
+
buf |= USB_CFG_BCE_;
+
ret = lan78xx_write_reg(dev, USB_CFG0, buf);
+ if (ret < 0)
+ return ret;
/* set FIFO sizes */
buf = (MAX_RX_FIFO_SIZE - 512) / 512;
+
ret = lan78xx_write_reg(dev, FCT_RX_FIFO_END, buf);
+ if (ret < 0)
+ return ret;
buf = (MAX_TX_FIFO_SIZE - 512) / 512;
+
ret = lan78xx_write_reg(dev, FCT_TX_FIFO_END, buf);
+ if (ret < 0)
+ return ret;
ret = lan78xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_);
+ if (ret < 0)
+ return ret;
+
ret = lan78xx_write_reg(dev, FLOW, 0);
+ if (ret < 0)
+ return ret;
+
ret = lan78xx_write_reg(dev, FCT_FLOW, 0);
+ if (ret < 0)
+ return ret;
/* Don't need rfe_ctl_lock during initialisation */
ret = lan78xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl);
+ if (ret < 0)
+ return ret;
+
pdata->rfe_ctl |= RFE_CTL_BCAST_EN_ | RFE_CTL_DA_PERFECT_;
+
ret = lan78xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
+ if (ret < 0)
+ return ret;
/* Enable or disable checksum offload engines */
- lan78xx_set_features(dev->net, dev->net->features);
+ ret = lan78xx_set_features(dev->net, dev->net->features);
+ if (ret < 0)
+ return ret;
lan78xx_set_multicast(dev->net);
/* reset PHY */
ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ return ret;
+
buf |= PMT_CTL_PHY_RST_;
+
ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ if (ret < 0)
+ return ret;
timeout = jiffies + HZ;
do {
mdelay(1);
ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ return ret;
+
if (time_after(jiffies, timeout)) {
netdev_warn(dev->net, "timeout waiting for PHY Reset");
- return -EIO;
+ ret = -ETIMEDOUT;
+ return ret;
}
} while ((buf & PMT_CTL_PHY_RST_) || !(buf & PMT_CTL_READY_));
ret = lan78xx_read_reg(dev, MAC_CR, &buf);
+ if (ret < 0)
+ return ret;
+
/* LAN7801 only has RGMII mode */
if (dev->chipid == ID_REV_CHIP_ID_7801_)
buf &= ~MAC_CR_GMII_EN_;
- if (dev->chipid == ID_REV_CHIP_ID_7800_) {
+ if (dev->chipid == ID_REV_CHIP_ID_7800_ ||
+ dev->chipid == ID_REV_CHIP_ID_7850_) {
ret = lan78xx_read_raw_eeprom(dev, 0, 1, &sig);
if (!ret && sig != EEPROM_INDICATOR) {
/* Implies there is no external eeprom. Set mac speed */
@@ -2536,27 +2809,13 @@ static int lan78xx_reset(struct lan78xx_net *dev)
}
}
ret = lan78xx_write_reg(dev, MAC_CR, buf);
-
- ret = lan78xx_read_reg(dev, MAC_TX, &buf);
- buf |= MAC_TX_TXEN_;
- ret = lan78xx_write_reg(dev, MAC_TX, buf);
-
- ret = lan78xx_read_reg(dev, FCT_TX_CTL, &buf);
- buf |= FCT_TX_CTL_EN_;
- ret = lan78xx_write_reg(dev, FCT_TX_CTL, buf);
+ if (ret < 0)
+ return ret;
ret = lan78xx_set_rx_max_frame_length(dev,
dev->net->mtu + VLAN_ETH_HLEN);
- ret = lan78xx_read_reg(dev, MAC_RX, &buf);
- buf |= MAC_RX_RXEN_;
- ret = lan78xx_write_reg(dev, MAC_RX, buf);
-
- ret = lan78xx_read_reg(dev, FCT_RX_CTL, &buf);
- buf |= FCT_RX_CTL_EN_;
- ret = lan78xx_write_reg(dev, FCT_RX_CTL, buf);
-
- return 0;
+ return ret;
}
static void lan78xx_init_stats(struct lan78xx_net *dev)
@@ -2590,9 +2849,13 @@ static int lan78xx_open(struct net_device *net)
struct lan78xx_net *dev = netdev_priv(net);
int ret;
+ netif_dbg(dev, ifup, dev->net, "open device");
+
ret = usb_autopm_get_interface(dev->intf);
if (ret < 0)
- goto out;
+ return ret;
+
+ mutex_lock(&dev->dev_mutex);
phy_start(net->phydev);
@@ -2608,6 +2871,20 @@ static int lan78xx_open(struct net_device *net)
}
}
+ ret = lan78xx_flush_rx_fifo(dev);
+ if (ret < 0)
+ goto done;
+ ret = lan78xx_flush_tx_fifo(dev);
+ if (ret < 0)
+ goto done;
+
+ ret = lan78xx_start_tx_path(dev);
+ if (ret < 0)
+ goto done;
+ ret = lan78xx_start_rx_path(dev);
+ if (ret < 0)
+ goto done;
+
lan78xx_init_stats(dev);
set_bit(EVENT_DEV_OPEN, &dev->flags);
@@ -2618,9 +2895,11 @@ static int lan78xx_open(struct net_device *net)
lan78xx_defer_kevent(dev, EVENT_LINK_RESET);
done:
- usb_autopm_put_interface(dev->intf);
+ mutex_unlock(&dev->dev_mutex);
+
+ if (ret < 0)
+ usb_autopm_put_interface(dev->intf);
-out:
return ret;
}
@@ -2637,38 +2916,56 @@ static void lan78xx_terminate_urbs(struct lan78xx_net *dev)
temp = unlink_urbs(dev, &dev->txq) + unlink_urbs(dev, &dev->rxq);
/* maybe wait for deletions to finish. */
- while (!skb_queue_empty(&dev->rxq) &&
- !skb_queue_empty(&dev->txq) &&
- !skb_queue_empty(&dev->done)) {
+ while (!skb_queue_empty(&dev->rxq) ||
+ !skb_queue_empty(&dev->txq)) {
schedule_timeout(msecs_to_jiffies(UNLINK_TIMEOUT_MS));
set_current_state(TASK_UNINTERRUPTIBLE);
netif_dbg(dev, ifdown, dev->net,
- "waited for %d urb completions\n", temp);
+ "waited for %d urb completions", temp);
}
set_current_state(TASK_RUNNING);
dev->wait = NULL;
remove_wait_queue(&unlink_wakeup, &wait);
+
+ while (!skb_queue_empty(&dev->done)) {
+ struct skb_data *entry;
+ struct sk_buff *skb;
+
+ skb = skb_dequeue(&dev->done);
+ entry = (struct skb_data *)(skb->cb);
+ usb_free_urb(entry->urb);
+ dev_kfree_skb(skb);
+ }
}
static int lan78xx_stop(struct net_device *net)
{
struct lan78xx_net *dev = netdev_priv(net);
+ netif_dbg(dev, ifup, dev->net, "stop device");
+
+ mutex_lock(&dev->dev_mutex);
+
if (timer_pending(&dev->stat_monitor))
del_timer_sync(&dev->stat_monitor);
- if (net->phydev)
- phy_stop(net->phydev);
-
clear_bit(EVENT_DEV_OPEN, &dev->flags);
netif_stop_queue(net);
+ tasklet_kill(&dev->bh);
+
+ lan78xx_terminate_urbs(dev);
netif_info(dev, ifdown, dev->net,
"stop stats: rx/tx %lu/%lu, errs %lu/%lu\n",
net->stats.rx_packets, net->stats.tx_packets,
net->stats.rx_errors, net->stats.tx_errors);
- lan78xx_terminate_urbs(dev);
+ /* ignore errors that occur stopping the Tx and Rx data paths */
+ lan78xx_stop_tx_path(dev);
+ lan78xx_stop_rx_path(dev);
+
+ if (net->phydev)
+ phy_stop(net->phydev);
usb_kill_urb(dev->urb_intr);
@@ -2678,12 +2975,17 @@ static int lan78xx_stop(struct net_device *net)
* can't flush_scheduled_work() until we drop rtnl (later),
* else workers could deadlock; so make workers a NOP.
*/
- dev->flags = 0;
+ clear_bit(EVENT_TX_HALT, &dev->flags);
+ clear_bit(EVENT_RX_HALT, &dev->flags);
+ clear_bit(EVENT_LINK_RESET, &dev->flags);
+ clear_bit(EVENT_STAT_UPDATE, &dev->flags);
+
cancel_delayed_work_sync(&dev->wq);
- tasklet_kill(&dev->bh);
usb_autopm_put_interface(dev->intf);
+ mutex_unlock(&dev->dev_mutex);
+
return 0;
}
@@ -2806,6 +3108,9 @@ lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net)
struct lan78xx_net *dev = netdev_priv(net);
struct sk_buff *skb2 = NULL;
+ if (test_bit(EVENT_DEV_ASLEEP, &dev->flags))
+ schedule_delayed_work(&dev->wq, 0);
+
if (skb) {
skb_tx_timestamp(skb);
skb2 = lan78xx_tx_prep(dev, skb, GFP_ATOMIC);
@@ -3333,9 +3638,10 @@ drop:
if (skb)
dev_kfree_skb_any(skb);
usb_free_urb(urb);
- } else
+ } else {
netif_dbg(dev, tx_queued, dev->net,
"> tx, len %d, type 0x%x\n", length, skb->protocol);
+ }
}
static void lan78xx_rx_bh(struct lan78xx_net *dev)
@@ -3411,18 +3717,17 @@ static void lan78xx_delayedwork(struct work_struct *work)
dev = container_of(work, struct lan78xx_net, wq.work);
+ if (usb_autopm_get_interface(dev->intf) < 0)
+ return;
+
if (test_bit(EVENT_TX_HALT, &dev->flags)) {
unlink_urbs(dev, &dev->txq);
- status = usb_autopm_get_interface(dev->intf);
- if (status < 0)
- goto fail_pipe;
+
status = usb_clear_halt(dev->udev, dev->pipe_out);
- usb_autopm_put_interface(dev->intf);
if (status < 0 &&
status != -EPIPE &&
status != -ESHUTDOWN) {
if (netif_msg_tx_err(dev))
-fail_pipe:
netdev_err(dev->net,
"can't clear tx halt, status %d\n",
status);
@@ -3432,18 +3737,14 @@ fail_pipe:
netif_wake_queue(dev->net);
}
}
+
if (test_bit(EVENT_RX_HALT, &dev->flags)) {
unlink_urbs(dev, &dev->rxq);
- status = usb_autopm_get_interface(dev->intf);
- if (status < 0)
- goto fail_halt;
status = usb_clear_halt(dev->udev, dev->pipe_in);
- usb_autopm_put_interface(dev->intf);
if (status < 0 &&
status != -EPIPE &&
status != -ESHUTDOWN) {
if (netif_msg_rx_err(dev))
-fail_halt:
netdev_err(dev->net,
"can't clear rx halt, status %d\n",
status);
@@ -3457,16 +3758,9 @@ fail_halt:
int ret = 0;
clear_bit(EVENT_LINK_RESET, &dev->flags);
- status = usb_autopm_get_interface(dev->intf);
- if (status < 0)
- goto skip_reset;
if (lan78xx_link_reset(dev) < 0) {
- usb_autopm_put_interface(dev->intf);
-skip_reset:
netdev_info(dev->net, "link reset failed (%d)\n",
ret);
- } else {
- usb_autopm_put_interface(dev->intf);
}
}
@@ -3480,6 +3774,8 @@ skip_reset:
dev->delta = min((dev->delta * 2), 50);
}
+
+ usb_autopm_put_interface(dev->intf);
}
static void intr_complete(struct urb *urb)
@@ -3609,8 +3905,8 @@ static int lan78xx_probe(struct usb_interface *intf,
struct net_device *netdev;
struct usb_device *udev;
int ret;
- unsigned maxp;
- unsigned period;
+ unsigned int maxp;
+ unsigned int period;
u8 *buf = NULL;
udev = interface_to_usbdev(intf);
@@ -3639,6 +3935,7 @@ static int lan78xx_probe(struct usb_interface *intf,
skb_queue_head_init(&dev->rxq_pause);
skb_queue_head_init(&dev->txq_pend);
mutex_init(&dev->phy_mutex);
+ mutex_init(&dev->dev_mutex);
tasklet_init(&dev->bh, lan78xx_bh, (unsigned long)dev);
INIT_DELAYED_WORK(&dev->wq, lan78xx_delayedwork);
@@ -3781,37 +4078,119 @@ static u16 lan78xx_wakeframe_crc16(const u8 *buf, int len)
return crc;
}
-static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
+static int lan78xx_set_auto_suspend(struct lan78xx_net *dev)
{
u32 buf;
- int mask_index;
- u16 crc;
- u32 temp_wucsr;
- u32 temp_pmt_ctl;
+ int ret;
+
+ ret = lan78xx_stop_tx_path(dev);
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_stop_rx_path(dev);
+ if (ret < 0)
+ return ret;
+
+ /* auto suspend (selective suspend) */
+
+ ret = lan78xx_write_reg(dev, WUCSR, 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUCSR2, 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL);
+ if (ret < 0)
+ return ret;
+
+ /* set goodframe wakeup */
+
+ ret = lan78xx_read_reg(dev, WUCSR, &buf);
+ if (ret < 0)
+ return ret;
+
+ buf |= WUCSR_RFE_WAKE_EN_;
+ buf |= WUCSR_STORE_WAKE_;
+
+ ret = lan78xx_write_reg(dev, WUCSR, buf);
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ return ret;
+
+ buf &= ~PMT_CTL_RES_CLR_WKP_EN_;
+ buf |= PMT_CTL_RES_CLR_WKP_STS_;
+ buf |= PMT_CTL_PHY_WAKE_EN_;
+ buf |= PMT_CTL_WOL_EN_;
+ buf &= ~PMT_CTL_SUS_MODE_MASK_;
+ buf |= PMT_CTL_SUS_MODE_3_;
+
+ ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ return ret;
+
+ buf |= PMT_CTL_WUPS_MASK_;
+
+ ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_start_rx_path(dev);
+
+ return ret;
+}
+
+static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
+{
const u8 ipv4_multicast[3] = { 0x01, 0x00, 0x5E };
const u8 ipv6_multicast[3] = { 0x33, 0x33 };
const u8 arp_type[2] = { 0x08, 0x06 };
+ u32 temp_pmt_ctl;
+ int mask_index;
+ u32 temp_wucsr;
+ u32 buf;
+ u16 crc;
+ int ret;
- lan78xx_read_reg(dev, MAC_TX, &buf);
- buf &= ~MAC_TX_TXEN_;
- lan78xx_write_reg(dev, MAC_TX, buf);
- lan78xx_read_reg(dev, MAC_RX, &buf);
- buf &= ~MAC_RX_RXEN_;
- lan78xx_write_reg(dev, MAC_RX, buf);
+ ret = lan78xx_stop_tx_path(dev);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_stop_rx_path(dev);
+ if (ret < 0)
+ return ret;
- lan78xx_write_reg(dev, WUCSR, 0);
- lan78xx_write_reg(dev, WUCSR2, 0);
- lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL);
+ ret = lan78xx_write_reg(dev, WUCSR, 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUCSR2, 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL);
+ if (ret < 0)
+ return ret;
temp_wucsr = 0;
temp_pmt_ctl = 0;
- lan78xx_read_reg(dev, PMT_CTL, &temp_pmt_ctl);
+
+ ret = lan78xx_read_reg(dev, PMT_CTL, &temp_pmt_ctl);
+ if (ret < 0)
+ return ret;
+
temp_pmt_ctl &= ~PMT_CTL_RES_CLR_WKP_EN_;
temp_pmt_ctl |= PMT_CTL_RES_CLR_WKP_STS_;
- for (mask_index = 0; mask_index < NUM_OF_WUF_CFG; mask_index++)
- lan78xx_write_reg(dev, WUF_CFG(mask_index), 0);
+ for (mask_index = 0; mask_index < NUM_OF_WUF_CFG; mask_index++) {
+ ret = lan78xx_write_reg(dev, WUF_CFG(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ }
mask_index = 0;
if (wol & WAKE_PHY) {
@@ -3840,30 +4219,52 @@ static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
/* set WUF_CFG & WUF_MASK for IPv4 Multicast */
crc = lan78xx_wakeframe_crc16(ipv4_multicast, 3);
- lan78xx_write_reg(dev, WUF_CFG(mask_index),
+ ret = lan78xx_write_reg(dev, WUF_CFG(mask_index),
WUF_CFGX_EN_ |
WUF_CFGX_TYPE_MCAST_ |
(0 << WUF_CFGX_OFFSET_SHIFT_) |
(crc & WUF_CFGX_CRC16_MASK_));
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_write_reg(dev, WUF_MASK0(mask_index), 7);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0);
+ if (ret < 0)
+ return ret;
- lan78xx_write_reg(dev, WUF_MASK0(mask_index), 7);
- lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0);
- lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0);
- lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0);
mask_index++;
/* for IPv6 Multicast */
crc = lan78xx_wakeframe_crc16(ipv6_multicast, 2);
- lan78xx_write_reg(dev, WUF_CFG(mask_index),
+ ret = lan78xx_write_reg(dev, WUF_CFG(mask_index),
WUF_CFGX_EN_ |
WUF_CFGX_TYPE_MCAST_ |
(0 << WUF_CFGX_OFFSET_SHIFT_) |
(crc & WUF_CFGX_CRC16_MASK_));
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_write_reg(dev, WUF_MASK0(mask_index), 3);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0);
+ if (ret < 0)
+ return ret;
- lan78xx_write_reg(dev, WUF_MASK0(mask_index), 3);
- lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0);
- lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0);
- lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0);
mask_index++;
temp_pmt_ctl |= PMT_CTL_WOL_EN_;
@@ -3884,16 +4285,27 @@ static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
* for packettype (offset 12,13) = ARP (0x0806)
*/
crc = lan78xx_wakeframe_crc16(arp_type, 2);
- lan78xx_write_reg(dev, WUF_CFG(mask_index),
+ ret = lan78xx_write_reg(dev, WUF_CFG(mask_index),
WUF_CFGX_EN_ |
WUF_CFGX_TYPE_ALL_ |
(0 << WUF_CFGX_OFFSET_SHIFT_) |
(crc & WUF_CFGX_CRC16_MASK_));
+ if (ret < 0)
+ return ret;
+
+ ret = lan78xx_write_reg(dev, WUF_MASK0(mask_index), 0x3000);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0);
+ if (ret < 0)
+ return ret;
+ ret = lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0);
+ if (ret < 0)
+ return ret;
- lan78xx_write_reg(dev, WUF_MASK0(mask_index), 0x3000);
- lan78xx_write_reg(dev, WUF_MASK1(mask_index), 0);
- lan78xx_write_reg(dev, WUF_MASK2(mask_index), 0);
- lan78xx_write_reg(dev, WUF_MASK3(mask_index), 0);
mask_index++;
temp_pmt_ctl |= PMT_CTL_WOL_EN_;
@@ -3901,7 +4313,9 @@ static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_;
}
- lan78xx_write_reg(dev, WUCSR, temp_wucsr);
+ ret = lan78xx_write_reg(dev, WUCSR, temp_wucsr);
+ if (ret < 0)
+ return ret;
/* when multiple WOL bits are set */
if (hweight_long((unsigned long)wol) > 1) {
@@ -3909,33 +4323,45 @@ static int lan78xx_set_suspend(struct lan78xx_net *dev, u32 wol)
temp_pmt_ctl &= ~PMT_CTL_SUS_MODE_MASK_;
temp_pmt_ctl |= PMT_CTL_SUS_MODE_0_;
}
- lan78xx_write_reg(dev, PMT_CTL, temp_pmt_ctl);
+ ret = lan78xx_write_reg(dev, PMT_CTL, temp_pmt_ctl);
+ if (ret < 0)
+ return ret;
/* clear WUPS */
- lan78xx_read_reg(dev, PMT_CTL, &buf);
+ ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ return ret;
+
buf |= PMT_CTL_WUPS_MASK_;
- lan78xx_write_reg(dev, PMT_CTL, buf);
- lan78xx_read_reg(dev, MAC_RX, &buf);
- buf |= MAC_RX_RXEN_;
- lan78xx_write_reg(dev, MAC_RX, buf);
+ ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ if (ret < 0)
+ return ret;
- return 0;
+ ret = lan78xx_start_rx_path(dev);
+
+ return ret;
}
static int lan78xx_suspend(struct usb_interface *intf, pm_message_t message)
{
struct lan78xx_net *dev = usb_get_intfdata(intf);
- struct lan78xx_priv *pdata = (struct lan78xx_priv *)(dev->data[0]);
- u32 buf;
+ bool dev_open;
int ret;
- if (!dev->suspend_count++) {
+ mutex_lock(&dev->dev_mutex);
+
+ netif_dbg(dev, ifdown, dev->net,
+ "suspending: pm event %#x", message.event);
+
+ dev_open = test_bit(EVENT_DEV_OPEN, &dev->flags);
+
+ if (dev_open) {
spin_lock_irq(&dev->txq.lock);
/* don't autosuspend while transmitting */
if ((skb_queue_len(&dev->txq) ||
skb_queue_len(&dev->txq_pend)) &&
- PMSG_IS_AUTO(message)) {
+ PMSG_IS_AUTO(message)) {
spin_unlock_irq(&dev->txq.lock);
ret = -EBUSY;
goto out;
@@ -3944,129 +4370,207 @@ static int lan78xx_suspend(struct usb_interface *intf, pm_message_t message)
spin_unlock_irq(&dev->txq.lock);
}
- /* stop TX & RX */
- ret = lan78xx_read_reg(dev, MAC_TX, &buf);
- buf &= ~MAC_TX_TXEN_;
- ret = lan78xx_write_reg(dev, MAC_TX, buf);
- ret = lan78xx_read_reg(dev, MAC_RX, &buf);
- buf &= ~MAC_RX_RXEN_;
- ret = lan78xx_write_reg(dev, MAC_RX, buf);
+ /* stop RX */
+ ret = lan78xx_stop_rx_path(dev);
+ if (ret < 0)
+ goto out;
- /* empty out the rx and queues */
+ ret = lan78xx_flush_rx_fifo(dev);
+ if (ret < 0)
+ goto out;
+
+ /* stop Tx */
+ ret = lan78xx_stop_tx_path(dev);
+ if (ret < 0)
+ goto out;
+
+ /* empty out the Rx and Tx queues */
netif_device_detach(dev->net);
lan78xx_terminate_urbs(dev);
usb_kill_urb(dev->urb_intr);
/* reattach */
netif_device_attach(dev->net);
- }
- if (test_bit(EVENT_DEV_ASLEEP, &dev->flags)) {
del_timer(&dev->stat_monitor);
if (PMSG_IS_AUTO(message)) {
- /* auto suspend (selective suspend) */
- ret = lan78xx_read_reg(dev, MAC_TX, &buf);
- buf &= ~MAC_TX_TXEN_;
- ret = lan78xx_write_reg(dev, MAC_TX, buf);
- ret = lan78xx_read_reg(dev, MAC_RX, &buf);
- buf &= ~MAC_RX_RXEN_;
- ret = lan78xx_write_reg(dev, MAC_RX, buf);
+ ret = lan78xx_set_auto_suspend(dev);
+ if (ret < 0)
+ goto out;
+ } else {
+ struct lan78xx_priv *pdata;
- ret = lan78xx_write_reg(dev, WUCSR, 0);
- ret = lan78xx_write_reg(dev, WUCSR2, 0);
- ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL);
+ pdata = (struct lan78xx_priv *)(dev->data[0]);
+ netif_carrier_off(dev->net);
+ ret = lan78xx_set_suspend(dev, pdata->wol);
+ if (ret < 0)
+ goto out;
+ }
+ } else {
+ /* Interface is down; don't allow WOL and PHY
+ * events to wake up the host
+ */
+ u32 buf;
- /* set goodframe wakeup */
- ret = lan78xx_read_reg(dev, WUCSR, &buf);
+ set_bit(EVENT_DEV_ASLEEP, &dev->flags);
- buf |= WUCSR_RFE_WAKE_EN_;
- buf |= WUCSR_STORE_WAKE_;
+ ret = lan78xx_write_reg(dev, WUCSR, 0);
+ if (ret < 0)
+ goto out;
+ ret = lan78xx_write_reg(dev, WUCSR2, 0);
+ if (ret < 0)
+ goto out;
- ret = lan78xx_write_reg(dev, WUCSR, buf);
+ ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ goto out;
- ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ buf &= ~PMT_CTL_RES_CLR_WKP_EN_;
+ buf |= PMT_CTL_RES_CLR_WKP_STS_;
+ buf &= ~PMT_CTL_SUS_MODE_MASK_;
+ buf |= PMT_CTL_SUS_MODE_3_;
- buf &= ~PMT_CTL_RES_CLR_WKP_EN_;
- buf |= PMT_CTL_RES_CLR_WKP_STS_;
+ ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ if (ret < 0)
+ goto out;
- buf |= PMT_CTL_PHY_WAKE_EN_;
- buf |= PMT_CTL_WOL_EN_;
- buf &= ~PMT_CTL_SUS_MODE_MASK_;
- buf |= PMT_CTL_SUS_MODE_3_;
+ ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ if (ret < 0)
+ goto out;
- ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ buf |= PMT_CTL_WUPS_MASK_;
- ret = lan78xx_read_reg(dev, PMT_CTL, &buf);
+ ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ if (ret < 0)
+ goto out;
+ }
+
+ ret = 0;
+out:
+ mutex_unlock(&dev->dev_mutex);
+
+ return ret;
+}
- buf |= PMT_CTL_WUPS_MASK_;
+static bool lan78xx_submit_deferred_urbs(struct lan78xx_net *dev)
+{
+ bool pipe_halted = false;
+ struct urb *urb;
+
+ while ((urb = usb_get_from_anchor(&dev->deferred))) {
+ struct sk_buff *skb = urb->context;
+ int ret;
+
+ if (!netif_device_present(dev->net) ||
+ !netif_carrier_ok(dev->net) ||
+ pipe_halted) {
+ usb_free_urb(urb);
+ dev_kfree_skb(skb);
+ continue;
+ }
- ret = lan78xx_write_reg(dev, PMT_CTL, buf);
+ ret = usb_submit_urb(urb, GFP_ATOMIC);
- ret = lan78xx_read_reg(dev, MAC_RX, &buf);
- buf |= MAC_RX_RXEN_;
- ret = lan78xx_write_reg(dev, MAC_RX, buf);
+ if (ret == 0) {
+ netif_trans_update(dev->net);
+ lan78xx_queue_skb(&dev->txq, skb, tx_start);
} else {
- lan78xx_set_suspend(dev, pdata->wol);
+ usb_free_urb(urb);
+ dev_kfree_skb(skb);
+
+ if (ret == -EPIPE) {
+ netif_stop_queue(dev->net);
+ pipe_halted = true;
+ } else if (ret == -ENODEV) {
+ netif_device_detach(dev->net);
+ }
}
}
- ret = 0;
-out:
- return ret;
+ return pipe_halted;
}
static int lan78xx_resume(struct usb_interface *intf)
{
struct lan78xx_net *dev = usb_get_intfdata(intf);
- struct sk_buff *skb;
- struct urb *res;
+ bool dev_open;
int ret;
- u32 buf;
- if (!timer_pending(&dev->stat_monitor)) {
- dev->delta = 1;
- mod_timer(&dev->stat_monitor,
- jiffies + STAT_UPDATE_TIMER);
- }
+ mutex_lock(&dev->dev_mutex);
- if (!--dev->suspend_count) {
- /* resume interrupt URBs */
- if (dev->urb_intr && test_bit(EVENT_DEV_OPEN, &dev->flags))
- usb_submit_urb(dev->urb_intr, GFP_NOIO);
+ netif_dbg(dev, ifup, dev->net, "resuming device");
+
+ dev_open = test_bit(EVENT_DEV_OPEN, &dev->flags);
+
+ if (dev_open) {
+ bool pipe_halted = false;
+
+ ret = lan78xx_flush_tx_fifo(dev);
+ if (ret < 0)
+ goto out;
+
+ if (dev->urb_intr) {
+ int ret = usb_submit_urb(dev->urb_intr, GFP_KERNEL);
- spin_lock_irq(&dev->txq.lock);
- while ((res = usb_get_from_anchor(&dev->deferred))) {
- skb = (struct sk_buff *)res->context;
- ret = usb_submit_urb(res, GFP_ATOMIC);
if (ret < 0) {
- dev_kfree_skb_any(skb);
- usb_free_urb(res);
- usb_autopm_put_interface_async(dev->intf);
- } else {
- netif_trans_update(dev->net);
- lan78xx_queue_skb(&dev->txq, skb, tx_start);
+ if (ret == -ENODEV)
+ netif_device_detach(dev->net);
+
+ netdev_warn(dev->net, "Failed to submit intr URB");
}
}
+ spin_lock_irq(&dev->txq.lock);
+
+ if (netif_device_present(dev->net)) {
+ pipe_halted = lan78xx_submit_deferred_urbs(dev);
+
+ if (pipe_halted)
+ lan78xx_defer_kevent(dev, EVENT_TX_HALT);
+ }
+
clear_bit(EVENT_DEV_ASLEEP, &dev->flags);
+
spin_unlock_irq(&dev->txq.lock);
- if (test_bit(EVENT_DEV_OPEN, &dev->flags)) {
- if (!(skb_queue_len(&dev->txq) >= dev->tx_qlen))
- netif_start_queue(dev->net);
- tasklet_schedule(&dev->bh);
+ if (!pipe_halted &&
+ netif_device_present(dev->net) &&
+ (skb_queue_len(&dev->txq) < dev->tx_qlen))
+ netif_start_queue(dev->net);
+
+ ret = lan78xx_start_tx_path(dev);
+ if (ret < 0)
+ goto out;
+
+ tasklet_schedule(&dev->bh);
+
+ if (!timer_pending(&dev->stat_monitor)) {
+ dev->delta = 1;
+ mod_timer(&dev->stat_monitor,
+ jiffies + STAT_UPDATE_TIMER);
}
+
+ } else {
+ clear_bit(EVENT_DEV_ASLEEP, &dev->flags);
}
ret = lan78xx_write_reg(dev, WUCSR2, 0);
+ if (ret < 0)
+ goto out;
ret = lan78xx_write_reg(dev, WUCSR, 0);
+ if (ret < 0)
+ goto out;
ret = lan78xx_write_reg(dev, WK_SRC, 0xFFF1FF1FUL);
+ if (ret < 0)
+ goto out;
ret = lan78xx_write_reg(dev, WUCSR2, WUCSR2_NS_RCD_ |
WUCSR2_ARP_RCD_ |
WUCSR2_IPV6_TCPSYN_RCD_ |
WUCSR2_IPV4_TCPSYN_RCD_);
+ if (ret < 0)
+ goto out;
ret = lan78xx_write_reg(dev, WUCSR, WUCSR_EEE_TX_WAKE_ |
WUCSR_EEE_RX_WAKE_ |
@@ -4075,23 +4579,32 @@ static int lan78xx_resume(struct usb_interface *intf)
WUCSR_WUFR_ |
WUCSR_MPR_ |
WUCSR_BCST_FR_);
+ if (ret < 0)
+ goto out;
- ret = lan78xx_read_reg(dev, MAC_TX, &buf);
- buf |= MAC_TX_TXEN_;
- ret = lan78xx_write_reg(dev, MAC_TX, buf);
+ ret = 0;
+out:
+ mutex_unlock(&dev->dev_mutex);
- return 0;
+ return ret;
}
static int lan78xx_reset_resume(struct usb_interface *intf)
{
struct lan78xx_net *dev = usb_get_intfdata(intf);
+ int ret;
- lan78xx_reset(dev);
+ netif_dbg(dev, ifup, dev->net, "(reset) resuming device");
+
+ ret = lan78xx_reset(dev);
+ if (ret < 0)
+ return ret;
phy_start(dev->net->phydev);
- return lan78xx_resume(intf);
+ ret = lan78xx_resume(intf);
+
+ return ret;
}
static const struct usb_device_id products[] = {
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 681e0def6..a5332e991 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -736,7 +736,9 @@ static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf)
data->eeprom_len = SR9800_EEPROM_LEN;
- usbnet_get_endpoints(dev, intf);
+ ret = usbnet_get_endpoints(dev, intf);
+ if (ret)
+ goto out;
/* LED Setting Rule :
* AABB:CCDD
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2fd5d2b7a..4029c56df 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2819,10 +2819,11 @@ static int virtnet_find_vqs(struct virtnet_info *vi)
{
vq_callback_t **callbacks;
struct virtqueue **vqs;
- int ret = -ENOMEM;
- int i, total_vqs;
const char **names;
+ int ret = -ENOMEM;
+ int total_vqs;
bool *ctx;
+ u16 i;
/* We expect 1 RX virtqueue followed by 1 TX virtqueue, followed by
* possible N-1 RX/TX queue pairs used in multiqueue mode, followed by
@@ -2859,8 +2860,8 @@ static int virtnet_find_vqs(struct virtnet_info *vi)
for (i = 0; i < vi->max_queue_pairs; i++) {
callbacks[rxq2vq(i)] = skb_recv_done;
callbacks[txq2vq(i)] = skb_xmit_done;
- sprintf(vi->rq[i].name, "input.%d", i);
- sprintf(vi->sq[i].name, "output.%d", i);
+ sprintf(vi->rq[i].name, "input.%u", i);
+ sprintf(vi->sq[i].name, "output.%u", i);
names[rxq2vq(i)] = vi->rq[i].name;
names[txq2vq(i)] = vi->sq[i].name;
if (ctx)
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 3096769e7..b173497a3 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -1778,6 +1778,10 @@ static bool vxlan_set_mac(struct vxlan_dev *vxlan,
if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))
return false;
+ /* Ignore packets from invalid src-address */
+ if (!is_valid_ether_addr(eth_hdr(skb)->h_source))
+ return false;
+
/* Get address from the outer IP header */
if (vxlan_get_sk_family(vs) == AF_INET) {
saddr.sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
diff --git a/drivers/net/wireguard/netlink.c b/drivers/net/wireguard/netlink.c
index f5bc279c9..9dc02fa51 100644
--- a/drivers/net/wireguard/netlink.c
+++ b/drivers/net/wireguard/netlink.c
@@ -164,8 +164,8 @@ get_peer(struct wg_peer *peer, struct sk_buff *skb, struct dump_ctx *ctx)
if (!allowedips_node)
goto no_allowedips;
if (!ctx->allowedips_seq)
- ctx->allowedips_seq = peer->device->peer_allowedips.seq;
- else if (ctx->allowedips_seq != peer->device->peer_allowedips.seq)
+ ctx->allowedips_seq = ctx->wg->peer_allowedips.seq;
+ else if (ctx->allowedips_seq != ctx->wg->peer_allowedips.seq)
goto no_allowedips;
allowedips_nest = nla_nest_start(skb, WGPEER_A_ALLOWEDIPS);
@@ -255,17 +255,17 @@ static int wg_get_device_dump(struct sk_buff *skb, struct netlink_callback *cb)
if (!peers_nest)
goto out;
ret = 0;
- /* If the last cursor was removed via list_del_init in peer_remove, then
+ lockdep_assert_held(&wg->device_update_lock);
+ /* If the last cursor was removed in peer_remove or peer_remove_all, then
* we just treat this the same as there being no more peers left. The
* reason is that seq_nr should indicate to userspace that this isn't a
* coherent dump anyway, so they'll try again.
*/
if (list_empty(&wg->peer_list) ||
- (ctx->next_peer && list_empty(&ctx->next_peer->peer_list))) {
+ (ctx->next_peer && ctx->next_peer->is_dead)) {
nla_nest_cancel(skb, peers_nest);
goto out;
}
- lockdep_assert_held(&wg->device_update_lock);
peer = list_prepare_entry(ctx->next_peer, &wg->peer_list, peer_list);
list_for_each_entry_continue(peer, &wg->peer_list, peer_list) {
if (get_peer(peer, skb, ctx)) {
diff --git a/drivers/net/wireguard/receive.c b/drivers/net/wireguard/receive.c
index d38b24339..ed274e9bd 100644
--- a/drivers/net/wireguard/receive.c
+++ b/drivers/net/wireguard/receive.c
@@ -258,7 +258,7 @@ static bool decrypt_packet(struct sk_buff *skb, struct noise_keypair *keypair)
if (unlikely(!READ_ONCE(keypair->receiving.is_valid) ||
wg_birthdate_has_expired(keypair->receiving.birthdate, REJECT_AFTER_TIME) ||
- keypair->receiving_counter.counter >= REJECT_AFTER_MESSAGES)) {
+ READ_ONCE(keypair->receiving_counter.counter) >= REJECT_AFTER_MESSAGES)) {
WRITE_ONCE(keypair->receiving.is_valid, false);
return false;
}
@@ -325,7 +325,7 @@ static bool counter_validate(struct noise_replay_counter *counter, u64 their_cou
for (i = 1; i <= top; ++i)
counter->backtrack[(i + index_current) &
((COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1)] = 0;
- counter->counter = their_counter;
+ WRITE_ONCE(counter->counter, their_counter);
}
index &= (COUNTER_BITS_TOTAL / BITS_PER_LONG) - 1;
@@ -470,7 +470,7 @@ int wg_packet_rx_poll(struct napi_struct *napi, int budget)
net_dbg_ratelimited("%s: Packet has invalid nonce %llu (max %llu)\n",
peer->device->dev->name,
PACKET_CB(skb)->nonce,
- keypair->receiving_counter.counter);
+ READ_ONCE(keypair->receiving_counter.counter));
goto next;
}
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index d0967bb1f..57ac80997 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -3381,13 +3381,10 @@ EXPORT_SYMBOL(ath10k_core_create);
void ath10k_core_destroy(struct ath10k *ar)
{
- flush_workqueue(ar->workqueue);
destroy_workqueue(ar->workqueue);
- flush_workqueue(ar->workqueue_aux);
destroy_workqueue(ar->workqueue_aux);
- flush_workqueue(ar->workqueue_tx_complete);
destroy_workqueue(ar->workqueue_tx_complete);
ath10k_debug_destroy(ar);
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 0fe639710..9d1b0890f 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -2651,7 +2651,6 @@ static void ath10k_sdio_remove(struct sdio_func *func)
ath10k_core_destroy(ar);
- flush_workqueue(ar_sdio->workqueue);
destroy_workqueue(ar_sdio->workqueue);
}
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 4f2fbc610..0eeb74245 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -844,6 +844,10 @@ ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev(struct ath10k *ar, struct sk_buff *skb,
}
ev = tb[WMI_TLV_TAG_STRUCT_MGMT_TX_COMPL_EVENT];
+ if (!ev) {
+ kfree(tb);
+ return -EPROTO;
+ }
arg->desc_id = ev->desc_id;
arg->status = ev->status;
diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index 988222cea..acc84e671 100644
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -643,7 +643,7 @@ static void ath_ant_try_scan(struct ath_ant_comb *antcomb,
conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1;
conf->alt_lna_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2;
} else if (antcomb->rssi_sub >
- antcomb->rssi_lna1) {
+ antcomb->rssi_lna2) {
/* set to A-B */
conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1;
conf->alt_lna_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2;
diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h
index 237f4ec2c..6c33e898b 100644
--- a/drivers/net/wireless/ath/ath9k/htc.h
+++ b/drivers/net/wireless/ath/ath9k/htc.h
@@ -306,7 +306,6 @@ struct ath9k_htc_tx {
DECLARE_BITMAP(tx_slot, MAX_TX_BUF_NUM);
struct timer_list cleanup_timer;
spinlock_t tx_lock;
- bool initialized;
};
struct ath9k_htc_tx_ctl {
@@ -515,6 +514,7 @@ struct ath9k_htc_priv {
unsigned long ps_usecount;
bool ps_enabled;
bool ps_idle;
+ bool initialized;
#ifdef CONFIG_MAC80211_LEDS
enum led_brightness brightness;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
index 96a3185a9..b01418537 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c
@@ -966,6 +966,10 @@ int ath9k_htc_probe_device(struct htc_target *htc_handle, struct device *dev,
htc_handle->drv_priv = priv;
+ /* Allow ath9k_wmi_event_tasklet() to operate. */
+ smp_wmb();
+ priv->initialized = true;
+
return 0;
err_init:
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 622fc7f17..95146ec75 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -647,9 +647,10 @@ void ath9k_htc_txstatus(struct ath9k_htc_priv *priv, void *wmi_event)
struct ath9k_htc_tx_event *tx_pend;
int i;
- for (i = 0; i < txs->cnt; i++) {
- WARN_ON(txs->cnt > HTC_MAX_TX_STATUS);
+ if (WARN_ON_ONCE(txs->cnt > HTC_MAX_TX_STATUS))
+ return;
+ for (i = 0; i < txs->cnt; i++) {
__txs = &txs->txstatus[i];
skb = ath9k_htc_tx_get_packet(priv, __txs);
@@ -809,10 +810,6 @@ int ath9k_tx_init(struct ath9k_htc_priv *priv)
skb_queue_head_init(&priv->tx.data_vo_queue);
skb_queue_head_init(&priv->tx.tx_failed);
- /* Allow ath9k_wmi_event_tasklet(WMI_TXSTATUS_EVENTID) to operate. */
- smp_wmb();
- priv->tx.initialized = true;
-
return 0;
}
diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c
index 1476b42b5..805ad31ed 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -155,6 +155,12 @@ void ath9k_wmi_event_tasklet(struct tasklet_struct *t)
}
spin_unlock_irqrestore(&wmi->wmi_lock, flags);
+ /* Check if ath9k_htc_probe_device() completed. */
+ if (!data_race(priv->initialized)) {
+ kfree_skb(skb);
+ continue;
+ }
+
hdr = (struct wmi_cmd_hdr *) skb->data;
cmd_id = be16_to_cpu(hdr->command_id);
wmi_event = skb_pull(skb, sizeof(struct wmi_cmd_hdr));
@@ -169,10 +175,6 @@ void ath9k_wmi_event_tasklet(struct tasklet_struct *t)
&wmi->drv_priv->fatal_work);
break;
case WMI_TXSTATUS_EVENTID:
- /* Check if ath9k_tx_init() completed. */
- if (!data_race(priv->tx.initialized))
- break;
-
spin_lock_bh(&priv->tx.tx_lock);
if (priv->tx.flags & ATH9K_HTC_OP_TX_DRAIN) {
spin_unlock_bh(&priv->tx.tx_lock);
diff --git a/drivers/net/wireless/broadcom/b43/b43.h b/drivers/net/wireless/broadcom/b43/b43.h
index 67b4bac04..c0d8fc0b2 100644
--- a/drivers/net/wireless/broadcom/b43/b43.h
+++ b/drivers/net/wireless/broadcom/b43/b43.h
@@ -1082,6 +1082,22 @@ static inline bool b43_using_pio_transfers(struct b43_wldev *dev)
return dev->__using_pio_transfers;
}
+static inline void b43_wake_queue(struct b43_wldev *dev, int queue_prio)
+{
+ if (dev->qos_enabled)
+ ieee80211_wake_queue(dev->wl->hw, queue_prio);
+ else
+ ieee80211_wake_queue(dev->wl->hw, 0);
+}
+
+static inline void b43_stop_queue(struct b43_wldev *dev, int queue_prio)
+{
+ if (dev->qos_enabled)
+ ieee80211_stop_queue(dev->wl->hw, queue_prio);
+ else
+ ieee80211_stop_queue(dev->wl->hw, 0);
+}
+
/* Message printing */
__printf(2, 3) void b43info(struct b43_wl *wl, const char *fmt, ...);
__printf(2, 3) void b43err(struct b43_wl *wl, const char *fmt, ...);
diff --git a/drivers/net/wireless/broadcom/b43/dma.c b/drivers/net/wireless/broadcom/b43/dma.c
index 9a7c62bd5..cfaf2f9d6 100644
--- a/drivers/net/wireless/broadcom/b43/dma.c
+++ b/drivers/net/wireless/broadcom/b43/dma.c
@@ -1399,7 +1399,7 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
should_inject_overflow(ring)) {
/* This TX ring is full. */
unsigned int skb_mapping = skb_get_queue_mapping(skb);
- ieee80211_stop_queue(dev->wl->hw, skb_mapping);
+ b43_stop_queue(dev, skb_mapping);
dev->wl->tx_queue_stopped[skb_mapping] = true;
ring->stopped = true;
if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
@@ -1570,7 +1570,7 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
} else {
/* If the driver queue is running wake the corresponding
* mac80211 queue. */
- ieee80211_wake_queue(dev->wl->hw, ring->queue_prio);
+ b43_wake_queue(dev, ring->queue_prio);
if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
b43dbg(dev->wl, "Woke up TX ring %d\n", ring->index);
}
diff --git a/drivers/net/wireless/broadcom/b43/main.c b/drivers/net/wireless/broadcom/b43/main.c
index f175dbaff..29f97ab9b 100644
--- a/drivers/net/wireless/broadcom/b43/main.c
+++ b/drivers/net/wireless/broadcom/b43/main.c
@@ -2587,7 +2587,8 @@ static void b43_request_firmware(struct work_struct *work)
start_ieee80211:
wl->hw->queues = B43_QOS_QUEUE_NUM;
- if (!modparam_qos || dev->fw.opensource)
+ if (!modparam_qos || dev->fw.opensource ||
+ dev->dev->chip_id == BCMA_CHIP_ID_BCM4331)
wl->hw->queues = 1;
err = ieee80211_register_hw(wl->hw);
@@ -3603,7 +3604,7 @@ static void b43_tx_work(struct work_struct *work)
err = b43_dma_tx(dev, skb);
if (err == -ENOSPC) {
wl->tx_queue_stopped[queue_num] = true;
- ieee80211_stop_queue(wl->hw, queue_num);
+ b43_stop_queue(dev, queue_num);
skb_queue_head(&wl->tx_queue[queue_num], skb);
break;
}
@@ -3627,6 +3628,7 @@ static void b43_op_tx(struct ieee80211_hw *hw,
struct sk_buff *skb)
{
struct b43_wl *wl = hw_to_b43_wl(hw);
+ u16 skb_queue_mapping;
if (unlikely(skb->len < 2 + 2 + 6)) {
/* Too short, this can't be a valid frame. */
@@ -3635,12 +3637,12 @@ static void b43_op_tx(struct ieee80211_hw *hw,
}
B43_WARN_ON(skb_shinfo(skb)->nr_frags);
- skb_queue_tail(&wl->tx_queue[skb->queue_mapping], skb);
- if (!wl->tx_queue_stopped[skb->queue_mapping]) {
+ skb_queue_mapping = skb_get_queue_mapping(skb);
+ skb_queue_tail(&wl->tx_queue[skb_queue_mapping], skb);
+ if (!wl->tx_queue_stopped[skb_queue_mapping])
ieee80211_queue_work(wl->hw, &wl->tx_work);
- } else {
- ieee80211_stop_queue(wl->hw, skb->queue_mapping);
- }
+ else
+ b43_stop_queue(wl->current_dev, skb_queue_mapping);
}
static void b43_qos_params_upload(struct b43_wldev *dev,
diff --git a/drivers/net/wireless/broadcom/b43/pio.c b/drivers/net/wireless/broadcom/b43/pio.c
index 8c28a9250..cc19b589f 100644
--- a/drivers/net/wireless/broadcom/b43/pio.c
+++ b/drivers/net/wireless/broadcom/b43/pio.c
@@ -525,7 +525,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
if (total_len > (q->buffer_size - q->buffer_used)) {
/* Not enough memory on the queue. */
err = -EBUSY;
- ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
+ b43_stop_queue(dev, skb_get_queue_mapping(skb));
q->stopped = true;
goto out;
}
@@ -552,7 +552,7 @@ int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
if (((q->buffer_size - q->buffer_used) < roundup(2 + 2 + 6, 4)) ||
(q->free_packet_slots == 0)) {
/* The queue is full. */
- ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
+ b43_stop_queue(dev, skb_get_queue_mapping(skb));
q->stopped = true;
}
@@ -587,7 +587,7 @@ void b43_pio_handle_txstatus(struct b43_wldev *dev,
list_add(&pack->list, &q->packets_list);
if (q->stopped) {
- ieee80211_wake_queue(dev->wl->hw, q->queue_prio);
+ b43_wake_queue(dev, q->queue_prio);
q->stopped = false;
}
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index baf5f0afe..fbb5e2953 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -790,8 +790,7 @@ s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
scan_request = cfg->scan_request;
cfg->scan_request = NULL;
- if (timer_pending(&cfg->escan_timeout))
- del_timer_sync(&cfg->escan_timeout);
+ timer_delete_sync(&cfg->escan_timeout);
if (fw_abort) {
/* Do a scan abort to stop the driver's scan engine */
@@ -7674,6 +7673,7 @@ void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg)
brcmf_btcoex_detach(cfg);
wiphy_unregister(cfg->wiphy);
wl_deinit_priv(cfg);
+ cancel_work_sync(&cfg->escan_timeout_work);
brcmf_free_wiphy(cfg->wiphy);
kfree(cfg);
}
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
index ccc621b8e..4a1fe982a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_cmn.c
@@ -383,8 +383,9 @@ struct shared_phy *wlc_phy_shared_attach(struct shared_phy_params *shp)
return sh;
}
-static void wlc_phy_timercb_phycal(struct brcms_phy *pi)
+static void wlc_phy_timercb_phycal(void *ptr)
{
+ struct brcms_phy *pi = ptr;
uint delay = 5;
if (PHY_PERICAL_MPHASE_PENDING(pi)) {
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c
index a0de5db0c..b72381791 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.c
@@ -57,12 +57,11 @@ void wlc_phy_shim_detach(struct phy_shim_info *physhim)
}
struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
- void (*fn)(struct brcms_phy *pi),
+ void (*fn)(void *pi),
void *arg, const char *name)
{
return (struct wlapi_timer *)
- brcms_init_timer(physhim->wl, (void (*)(void *))fn,
- arg, name);
+ brcms_init_timer(physhim->wl, fn, arg, name);
}
void wlapi_free_timer(struct wlapi_timer *t)
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h
index dd8774717..27d0934e6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy_shim.h
@@ -131,7 +131,7 @@ void wlc_phy_shim_detach(struct phy_shim_info *physhim);
/* PHY to WL utility functions */
struct wlapi_timer *wlapi_init_timer(struct phy_shim_info *physhim,
- void (*fn)(struct brcms_phy *pi),
+ void (*fn)(void *pi),
void *arg, const char *name);
void wlapi_free_timer(struct wlapi_timer *t);
void wlapi_add_timer(struct wlapi_timer *t, uint ms, int periodic);
diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
index ef0ac42a5..55c00a07b 100644
--- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
@@ -3831,7 +3831,6 @@ il3945_pci_remove(struct pci_dev *pdev)
il3945_unset_hw_params(il);
/*netif_stop_queue(dev); */
- flush_workqueue(il->workqueue);
/* ieee80211_unregister_hw calls il3945_mac_stop, which flushes
* il->workqueue... so we can't take down the workqueue
diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
index 12cf22d0e..254990255 100644
--- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c
@@ -6745,7 +6745,6 @@ il4965_pci_remove(struct pci_dev *pdev)
il_eeprom_free(il);
/*netif_stop_queue(dev); */
- flush_workqueue(il->workqueue);
/* ieee80211_unregister_hw calls il_mac_stop, which flushes
* il->workqueue... so we can't take down the workqueue
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/main.c b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
index 461af5831..6a19fc4c6 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/main.c
@@ -1526,7 +1526,6 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
kfree(priv->nvm_data);
/*netif_stop_queue(dev); */
- flush_workqueue(priv->workqueue);
/* ieee80211_unregister_hw calls iwlagn_mac_stop, which flushes
* priv->workqueue... so we can't take down the workqueue
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 5e4faf9ce..fc35f8f84 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -555,7 +555,7 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
* from index 1, so the maximum value allowed here is
* ACPI_SAR_PROFILES_NUM - 1.
*/
- if (n_profiles <= 0 || n_profiles >= ACPI_SAR_PROFILE_NUM) {
+ if (n_profiles >= ACPI_SAR_PROFILE_NUM) {
ret = -EINVAL;
goto out_free;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index fdf2c6ea4..299819d2d 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -155,6 +155,12 @@ static int iwl_dbg_tlv_alloc_debug_info(struct iwl_trans *trans,
if (le32_to_cpu(tlv->length) != sizeof(*debug_info))
return -EINVAL;
+ /* we use this as a string, ensure input was NUL terminated */
+ if (strnlen(debug_info->debug_cfg_name,
+ sizeof(debug_info->debug_cfg_name)) ==
+ sizeof(debug_info->debug_cfg_name))
+ return -EINVAL;
+
IWL_DEBUG_FW(trans, "WRT: Loading debug cfg: %s\n",
debug_info->debug_cfg_name);
@@ -876,7 +882,7 @@ static int iwl_dbg_tlv_override_trig_node(struct iwl_fw_runtime *fwrt,
node_trig = (void *)node_tlv->data;
}
- memcpy(node_trig->data + offset, trig->data, trig_data_len);
+ memcpy((u8 *)node_trig->data + offset, trig->data, trig_data_len);
node_tlv->length = cpu_to_le32(size);
if (policy & IWL_FW_INI_APPLY_POLICY_OVERRIDE_CFG) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
index b1335fe3b..e2df8ddc1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c
@@ -106,6 +106,8 @@ int iwl_mvm_ftm_add_pasn_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
if (!pasn)
return -ENOBUFS;
+ iwl_mvm_ftm_remove_pasn_sta(mvm, addr);
+
pasn->cipher = iwl_mvm_cipher_to_location_cipher(cipher);
switch (pasn->cipher) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index d2c6fdb70..08008b0c0 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -5155,8 +5155,7 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
if (notif->sync) {
notif->cookie = mvm->queue_sync_cookie;
- atomic_set(&mvm->queue_sync_counter,
- mvm->trans->num_rx_queues);
+ mvm->queue_sync_state = (1 << mvm->trans->num_rx_queues) - 1;
}
ret = iwl_mvm_notify_rx_queue(mvm, qmask, (u8 *)notif,
@@ -5169,16 +5168,19 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm,
if (notif->sync) {
lockdep_assert_held(&mvm->mutex);
ret = wait_event_timeout(mvm->rx_sync_waitq,
- atomic_read(&mvm->queue_sync_counter) == 0 ||
+ READ_ONCE(mvm->queue_sync_state) == 0 ||
iwl_mvm_is_radio_killed(mvm),
HZ);
- WARN_ON_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm));
+ WARN_ONCE(!ret && !iwl_mvm_is_radio_killed(mvm),
+ "queue sync: failed to sync, state is 0x%lx\n",
+ mvm->queue_sync_state);
}
out:
- atomic_set(&mvm->queue_sync_counter, 0);
- if (notif->sync)
+ if (notif->sync) {
+ mvm->queue_sync_state = 0;
mvm->queue_sync_cookie++;
+ }
}
static void iwl_mvm_sync_rx_queues(struct ieee80211_hw *hw)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 64f5a4cb3..8b779c3a9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -842,7 +842,7 @@ struct iwl_mvm {
unsigned long status;
u32 queue_sync_cookie;
- atomic_t queue_sync_counter;
+ unsigned long queue_sync_state;
/*
* for beacon filtering -
* currently only one interface can be supported
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 5b173f21e..3548eb57f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -725,7 +725,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
init_waitqueue_head(&mvm->rx_sync_waitq);
- atomic_set(&mvm->queue_sync_counter, 0);
+ mvm->queue_sync_state = 0;
SET_IEEE80211_DEV(mvm->hw, mvm->trans->dev);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index 86b3fb321..e2a39e8b9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -853,9 +853,13 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi,
WARN_ONCE(1, "Invalid identifier %d", internal_notif->type);
}
- if (internal_notif->sync &&
- !atomic_dec_return(&mvm->queue_sync_counter))
- wake_up(&mvm->rx_sync_waitq);
+ if (internal_notif->sync) {
+ WARN_ONCE(!test_and_clear_bit(queue, &mvm->queue_sync_state),
+ "queue sync: queue %d responded a second time!\n",
+ queue);
+ if (READ_ONCE(mvm->queue_sync_state) == 0)
+ wake_up(&mvm->rx_sync_waitq);
+ }
}
static void iwl_mvm_oldsn_workaround(struct iwl_mvm *mvm,
diff --git a/drivers/net/wireless/marvell/libertas/cmd.c b/drivers/net/wireless/marvell/libertas/cmd.c
index a4d9dd73b..db9a852fa 100644
--- a/drivers/net/wireless/marvell/libertas/cmd.c
+++ b/drivers/net/wireless/marvell/libertas/cmd.c
@@ -1133,7 +1133,7 @@ int lbs_allocate_cmd_buffer(struct lbs_private *priv)
if (!cmdarray[i].cmdbuf) {
lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n");
ret = -1;
- goto done;
+ goto free_cmd_array;
}
}
@@ -1141,8 +1141,17 @@ int lbs_allocate_cmd_buffer(struct lbs_private *priv)
init_waitqueue_head(&cmdarray[i].cmdwait_q);
lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]);
}
- ret = 0;
+ return 0;
+free_cmd_array:
+ for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) {
+ if (cmdarray[i].cmdbuf) {
+ kfree(cmdarray[i].cmdbuf);
+ cmdarray[i].cmdbuf = NULL;
+ }
+ }
+ kfree(priv->cmd_array);
+ priv->cmd_array = NULL;
done:
return ret;
}
diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
index 2f5f1ff22..e1196c565 100644
--- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
@@ -3155,13 +3155,11 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
unregister_netdevice(wdev->netdev);
if (priv->dfs_cac_workqueue) {
- flush_workqueue(priv->dfs_cac_workqueue);
destroy_workqueue(priv->dfs_cac_workqueue);
priv->dfs_cac_workqueue = NULL;
}
if (priv->dfs_chan_sw_workqueue) {
- flush_workqueue(priv->dfs_chan_sw_workqueue);
destroy_workqueue(priv->dfs_chan_sw_workqueue);
priv->dfs_chan_sw_workqueue = NULL;
}
diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c
index 1e7dc724c..d48a3e0b3 100644
--- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
+++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
@@ -976,9 +976,6 @@ mwifiex_dev_debugfs_init(struct mwifiex_private *priv)
priv->dfs_dev_dir = debugfs_create_dir(priv->netdev->name,
mwifiex_dfs_dir);
- if (!priv->dfs_dev_dir)
- return;
-
MWIFIEX_DFS_ADD_FILE(info);
MWIFIEX_DFS_ADD_FILE(debug);
MWIFIEX_DFS_ADD_FILE(getlog);
diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c
index 6283df5aa..b8b79fe50 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.c
+++ b/drivers/net/wireless/marvell/mwifiex/main.c
@@ -498,13 +498,11 @@ static void mwifiex_free_adapter(struct mwifiex_adapter *adapter)
static void mwifiex_terminate_workqueue(struct mwifiex_adapter *adapter)
{
if (adapter->workqueue) {
- flush_workqueue(adapter->workqueue);
destroy_workqueue(adapter->workqueue);
adapter->workqueue = NULL;
}
if (adapter->rx_workqueue) {
- flush_workqueue(adapter->rx_workqueue);
destroy_workqueue(adapter->rx_workqueue);
adapter->rx_workqueue = NULL;
}
diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
index dd26f2086..5d4f9e9a8 100644
--- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c
+++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c
@@ -1562,7 +1562,6 @@ static int del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
unregister_netdevice(vif->ndev);
vif->monitor_flag = 0;
- wilc_set_operation_mode(vif, 0, 0, 0);
mutex_lock(&wl->vif_mutex);
list_del_rcu(&vif->list);
wl->vif_num--;
diff --git a/drivers/net/wireless/microchip/wilc1000/hif.c b/drivers/net/wireless/microchip/wilc1000/hif.c
index 884f45e62..457386f9d 100644
--- a/drivers/net/wireless/microchip/wilc1000/hif.c
+++ b/drivers/net/wireless/microchip/wilc1000/hif.c
@@ -359,38 +359,49 @@ out:
void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
struct cfg80211_crypto_settings *crypto)
{
- struct wilc_join_bss_param *param;
- struct ieee80211_p2p_noa_attr noa_attr;
- u8 rates_len = 0;
- const u8 *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
+ const u8 *ies_data, *tim_elm, *ssid_elm, *rates_ie, *supp_rates_ie;
const u8 *ht_ie, *wpa_ie, *wmm_ie, *rsn_ie;
+ struct ieee80211_p2p_noa_attr noa_attr;
+ const struct cfg80211_bss_ies *ies;
+ struct wilc_join_bss_param *param;
+ u8 rates_len = 0, ies_len;
int ret;
- const struct cfg80211_bss_ies *ies = rcu_dereference(bss->ies);
param = kzalloc(sizeof(*param), GFP_KERNEL);
if (!param)
return NULL;
+ rcu_read_lock();
+ ies = rcu_dereference(bss->ies);
+ ies_data = kmemdup(ies->data, ies->len, GFP_ATOMIC);
+ if (!ies_data) {
+ rcu_read_unlock();
+ kfree(param);
+ return NULL;
+ }
+ ies_len = ies->len;
+ rcu_read_unlock();
+
param->beacon_period = cpu_to_le16(bss->beacon_interval);
param->cap_info = cpu_to_le16(bss->capability);
param->bss_type = WILC_FW_BSS_TYPE_INFRA;
param->ch = ieee80211_frequency_to_channel(bss->channel->center_freq);
ether_addr_copy(param->bssid, bss->bssid);
- ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies->data, ies->len);
+ ssid_elm = cfg80211_find_ie(WLAN_EID_SSID, ies_data, ies_len);
if (ssid_elm) {
if (ssid_elm[1] <= IEEE80211_MAX_SSID_LEN)
memcpy(param->ssid, ssid_elm + 2, ssid_elm[1]);
}
- tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies->data, ies->len);
+ tim_elm = cfg80211_find_ie(WLAN_EID_TIM, ies_data, ies_len);
if (tim_elm && tim_elm[1] >= 2)
param->dtim_period = tim_elm[3];
memset(param->p_suites, 0xFF, 3);
memset(param->akm_suites, 0xFF, 3);
- rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies->data, ies->len);
+ rates_ie = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies_data, ies_len);
if (rates_ie) {
rates_len = rates_ie[1];
if (rates_len > WILC_MAX_RATES_SUPPORTED)
@@ -401,7 +412,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
if (rates_len < WILC_MAX_RATES_SUPPORTED) {
supp_rates_ie = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES,
- ies->data, ies->len);
+ ies_data, ies_len);
if (supp_rates_ie) {
u8 ext_rates = supp_rates_ie[1];
@@ -416,11 +427,11 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
}
}
- ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies->data, ies->len);
+ ht_ie = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies_data, ies_len);
if (ht_ie)
param->ht_capable = true;
- ret = cfg80211_get_p2p_attr(ies->data, ies->len,
+ ret = cfg80211_get_p2p_attr(ies_data, ies_len,
IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
(u8 *)&noa_attr, sizeof(noa_attr));
if (ret > 0) {
@@ -444,7 +455,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
}
wmm_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WMM,
- ies->data, ies->len);
+ ies_data, ies_len);
if (wmm_ie) {
struct ieee80211_wmm_param_ie *ie;
@@ -459,13 +470,13 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
wpa_ie = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
WLAN_OUI_TYPE_MICROSOFT_WPA,
- ies->data, ies->len);
+ ies_data, ies_len);
if (wpa_ie) {
param->mode_802_11i = 1;
param->rsn_found = true;
}
- rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies->data, ies->len);
+ rsn_ie = cfg80211_find_ie(WLAN_EID_RSN, ies_data, ies_len);
if (rsn_ie) {
int rsn_ie_len = sizeof(struct element) + rsn_ie[1];
int offset = 8;
@@ -499,6 +510,7 @@ void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
param->akm_suites[i] = crypto->akm_suites[i] & 0xFF;
}
+ kfree(ies_data);
return (void *)param;
}
diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c
index c508f4299..ab84b146a 100644
--- a/drivers/net/wireless/microchip/wilc1000/netdev.c
+++ b/drivers/net/wireless/microchip/wilc1000/netdev.c
@@ -821,8 +821,7 @@ static const struct net_device_ops wilc_netdev_ops = {
void wilc_netdev_cleanup(struct wilc *wilc)
{
- struct wilc_vif *vif;
- int srcu_idx, ifc_cnt = 0;
+ struct wilc_vif *vif, *vif_tmp;
if (!wilc)
return;
@@ -832,33 +831,19 @@ void wilc_netdev_cleanup(struct wilc *wilc)
wilc->firmware = NULL;
}
- srcu_idx = srcu_read_lock(&wilc->srcu);
- list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
+ list_for_each_entry_safe(vif, vif_tmp, &wilc->vif_list, list) {
+ mutex_lock(&wilc->vif_mutex);
+ list_del_rcu(&vif->list);
+ wilc->vif_num--;
+ mutex_unlock(&wilc->vif_mutex);
+ synchronize_srcu(&wilc->srcu);
if (vif->ndev)
unregister_netdev(vif->ndev);
}
- srcu_read_unlock(&wilc->srcu, srcu_idx);
wilc_wfi_deinit_mon_interface(wilc, false);
- flush_workqueue(wilc->hif_workqueue);
destroy_workqueue(wilc->hif_workqueue);
- while (ifc_cnt < WILC_NUM_CONCURRENT_IFC) {
- mutex_lock(&wilc->vif_mutex);
- if (wilc->vif_num <= 0) {
- mutex_unlock(&wilc->vif_mutex);
- break;
- }
- vif = wilc_get_wl_to_vif(wilc);
- if (!IS_ERR(vif))
- list_del_rcu(&vif->list);
-
- wilc->vif_num--;
- mutex_unlock(&wilc->vif_mutex);
- synchronize_srcu(&wilc->srcu);
- ifc_cnt++;
- }
-
wilc_wlan_cfg_deinit(wilc);
wlan_deinit_locks(wilc);
kfree(wilc->bus_data);
diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c
index bf6dbeb61..d39c210da 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/core.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/core.c
@@ -816,13 +816,11 @@ void qtnf_core_detach(struct qtnf_bus *bus)
bus->fw_state = QTNF_FW_STATE_DETACHED;
if (bus->workqueue) {
- flush_workqueue(bus->workqueue);
destroy_workqueue(bus->workqueue);
bus->workqueue = NULL;
}
if (bus->hprio_workqueue) {
- flush_workqueue(bus->hprio_workqueue);
destroy_workqueue(bus->hprio_workqueue);
bus->hprio_workqueue = NULL;
}
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c
index 0f328ce47..f65eb6e5b 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c
@@ -387,7 +387,6 @@ static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
error:
- flush_workqueue(pcie_priv->workqueue);
destroy_workqueue(pcie_priv->workqueue);
pci_set_drvdata(pdev, NULL);
return ret;
@@ -416,7 +415,6 @@ static void qtnf_pcie_remove(struct pci_dev *dev)
qtnf_core_detach(bus);
netif_napi_del(&bus->mux_napi);
- flush_workqueue(priv->workqueue);
destroy_workqueue(priv->workqueue);
tasklet_kill(&priv->reclaim_tq);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
index b04f76551..be3c153ab 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00dev.c
@@ -101,6 +101,7 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev)
rt2x00link_stop_tuner(rt2x00dev);
rt2x00queue_stop_queues(rt2x00dev);
rt2x00queue_flush_queues(rt2x00dev, true);
+ rt2x00queue_stop_queue(rt2x00dev->bcn);
/*
* Disable radio.
@@ -1272,6 +1273,7 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev)
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
+ rt2x00dev->intf_beaconing = 0;
/* Enable the radio */
retval = rt2x00lib_enable_radio(rt2x00dev);
@@ -1298,6 +1300,7 @@ void rt2x00lib_stop(struct rt2x00_dev *rt2x00dev)
rt2x00dev->intf_ap_count = 0;
rt2x00dev->intf_sta_count = 0;
rt2x00dev->intf_associated = 0;
+ rt2x00dev->intf_beaconing = 0;
}
static inline void rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev)
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
index 2f68a3107..795bd3b0e 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
@@ -599,6 +599,17 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
*/
if (changes & BSS_CHANGED_BEACON_ENABLED) {
mutex_lock(&intf->beacon_skb_mutex);
+
+ /*
+ * Clear the 'enable_beacon' flag and clear beacon because
+ * the beacon queue has been stopped after hardware reset.
+ */
+ if (test_bit(DEVICE_STATE_RESET, &rt2x00dev->flags) &&
+ intf->enable_beacon) {
+ intf->enable_beacon = false;
+ rt2x00queue_clear_beacon(rt2x00dev, vif);
+ }
+
if (!bss_conf->enable_beacon && intf->enable_beacon) {
rt2x00dev->intf_beaconing--;
intf->enable_beacon = false;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 004778faf..9efc15e69 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -6483,6 +6483,7 @@ static void rtl8xxxu_stop(struct ieee80211_hw *hw)
if (priv->usb_interrupts)
rtl8xxxu_write32(priv, REG_USB_HIMR, 0);
+ cancel_work_sync(&priv->c2hcmd_work);
cancel_delayed_work_sync(&priv->ra_watchdog);
rtl8xxxu_free_rx_resources(priv);
@@ -6973,6 +6974,18 @@ static const struct usb_device_id dev_table[] = {
.driver_info = (unsigned long)&rtl8192eu_fops},
{USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_REALTEK, 0x818c, 0xff, 0xff, 0xff),
.driver_info = (unsigned long)&rtl8192eu_fops},
+/* D-Link DWA-131 rev C1 */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x3312, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
+/* TP-Link TL-WN8200ND V2 */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2357, 0x0126, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
+/* Mercusys MW300UM */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0100, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
+/* Mercusys MW300UH */
+{USB_DEVICE_AND_INTERFACE_INFO(0x2c4e, 0x0104, 0xff, 0xff, 0xff),
+ .driver_info = (unsigned long)&rtl8192eu_fops},
#endif
{ }
};
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 679ae786c..6d9f2a623 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -1704,7 +1704,6 @@ static void rtl_pci_deinit(struct ieee80211_hw *hw)
tasklet_kill(&rtlpriv->works.irq_tasklet);
cancel_work_sync(&rtlpriv->works.lps_change_work);
- flush_workqueue(rtlpriv->works.rtl_wq);
destroy_workqueue(rtlpriv->works.rtl_wq);
}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c
index fa0eed434..d26dda8e4 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/phy.c
@@ -49,7 +49,7 @@ u32 rtl8723e_phy_query_rf_reg(struct ieee80211_hw *hw,
rfpath, regaddr);
}
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;
spin_unlock(&rtlpriv->locks.rf_lock);
@@ -80,7 +80,7 @@ void rtl8723e_phy_set_rf_reg(struct ieee80211_hw *hw,
original_value = rtl8723_phy_rf_serial_read(hw,
rfpath,
regaddr);
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data =
((original_value & (~bitmask)) |
(data << bitshift));
@@ -89,7 +89,7 @@ void rtl8723e_phy_set_rf_reg(struct ieee80211_hw *hw,
rtl8723_phy_rf_serial_write(hw, rfpath, regaddr, data);
} else {
if (bitmask != RFREG_OFFSET_MASK) {
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data =
((original_value & (~bitmask)) |
(data << bitshift));
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
index f09f55b04..35dfea54a 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/phy.c
@@ -41,7 +41,7 @@ u32 rtl8723be_phy_query_rf_reg(struct ieee80211_hw *hw, enum radio_path rfpath,
spin_lock(&rtlpriv->locks.rf_lock);
original_value = rtl8723_phy_rf_serial_read(hw, rfpath, regaddr);
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
readback_value = (original_value & bitmask) >> bitshift;
spin_unlock(&rtlpriv->locks.rf_lock);
@@ -68,7 +68,7 @@ void rtl8723be_phy_set_rf_reg(struct ieee80211_hw *hw, enum radio_path path,
if (bitmask != RFREG_OFFSET_MASK) {
original_value = rtl8723_phy_rf_serial_read(hw, path,
regaddr);
- bitshift = rtl8723_phy_calculate_bit_shift(bitmask);
+ bitshift = calculate_bit_shift(bitmask);
data = ((original_value & (~bitmask)) |
(data << bitshift));
}
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index f9615f76f..d517f92b6 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -579,9 +579,9 @@ static void rtw8821c_false_alarm_statistics(struct rtw_dev *rtwdev)
dm_info->cck_fa_cnt = cck_fa_cnt;
dm_info->ofdm_fa_cnt = ofdm_fa_cnt;
+ dm_info->total_fa_cnt = ofdm_fa_cnt;
if (cck_enable)
dm_info->total_fa_cnt += cck_fa_cnt;
- dm_info->total_fa_cnt = ofdm_fa_cnt;
crc32_cnt = rtw_read32(rtwdev, REG_CRC_CCK);
dm_info->cck_ok_cnt = FIELD_GET(GENMASK(15, 0), crc32_cnt);
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index dc076d844..75c78e1c9 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -3497,7 +3497,6 @@ fail:
cancel_delayed_work_sync(&priv->dev_poller_work);
cancel_delayed_work_sync(&priv->scan_work);
cancel_work_sync(&priv->work);
- flush_workqueue(priv->workqueue);
destroy_workqueue(priv->workqueue);
wiphy_free(wiphy);
@@ -3514,7 +3513,6 @@ static void rndis_wlan_unbind(struct usbnet *usbdev, struct usb_interface *intf)
cancel_delayed_work_sync(&priv->dev_poller_work);
cancel_delayed_work_sync(&priv->scan_work);
cancel_work_sync(&priv->work);
- flush_workqueue(priv->workqueue);
destroy_workqueue(priv->workqueue);
rndis_unbind(usbdev, intf);
diff --git a/drivers/net/wireless/st/cw1200/bh.c b/drivers/net/wireless/st/cw1200/bh.c
index 02efe8483..361fef6e1 100644
--- a/drivers/net/wireless/st/cw1200/bh.c
+++ b/drivers/net/wireless/st/cw1200/bh.c
@@ -88,8 +88,6 @@ void cw1200_unregister_bh(struct cw1200_common *priv)
atomic_add(1, &priv->bh_term);
wake_up(&priv->bh_wq);
- flush_workqueue(priv->bh_workqueue);
-
destroy_workqueue(priv->bh_workqueue);
priv->bh_workqueue = NULL;
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index d25bb5b9a..f5c5cf650 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -104,13 +104,12 @@ bool provides_xdp_headroom = true;
module_param(provides_xdp_headroom, bool, 0644);
static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
- u8 status);
+ s8 status);
static void make_tx_response(struct xenvif_queue *queue,
- struct xen_netif_tx_request *txp,
+ const struct xen_netif_tx_request *txp,
unsigned int extra_count,
- s8 st);
-static void push_tx_responses(struct xenvif_queue *queue);
+ s8 status);
static void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx);
@@ -208,13 +207,9 @@ static void xenvif_tx_err(struct xenvif_queue *queue,
unsigned int extra_count, RING_IDX end)
{
RING_IDX cons = queue->tx.req_cons;
- unsigned long flags;
do {
- spin_lock_irqsave(&queue->response_lock, flags);
make_tx_response(queue, txp, extra_count, XEN_NETIF_RSP_ERROR);
- push_tx_responses(queue);
- spin_unlock_irqrestore(&queue->response_lock, flags);
if (cons == end)
break;
RING_COPY_REQUEST(&queue->tx, cons++, txp);
@@ -465,12 +460,7 @@ static void xenvif_get_requests(struct xenvif_queue *queue,
for (shinfo->nr_frags = 0; nr_slots > 0 && shinfo->nr_frags < MAX_SKB_FRAGS;
nr_slots--) {
if (unlikely(!txp->size)) {
- unsigned long flags;
-
- spin_lock_irqsave(&queue->response_lock, flags);
make_tx_response(queue, txp, 0, XEN_NETIF_RSP_OKAY);
- push_tx_responses(queue);
- spin_unlock_irqrestore(&queue->response_lock, flags);
++txp;
continue;
}
@@ -496,14 +486,8 @@ static void xenvif_get_requests(struct xenvif_queue *queue,
for (shinfo->nr_frags = 0; shinfo->nr_frags < nr_slots; ++txp) {
if (unlikely(!txp->size)) {
- unsigned long flags;
-
- spin_lock_irqsave(&queue->response_lock, flags);
make_tx_response(queue, txp, 0,
XEN_NETIF_RSP_OKAY);
- push_tx_responses(queue);
- spin_unlock_irqrestore(&queue->response_lock,
- flags);
continue;
}
@@ -997,7 +981,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
(ret == 0) ?
XEN_NETIF_RSP_OKAY :
XEN_NETIF_RSP_ERROR);
- push_tx_responses(queue);
continue;
}
@@ -1009,7 +992,6 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
make_tx_response(queue, &txreq, extra_count,
XEN_NETIF_RSP_OKAY);
- push_tx_responses(queue);
continue;
}
@@ -1444,8 +1426,35 @@ int xenvif_tx_action(struct xenvif_queue *queue, int budget)
return work_done;
}
+static void _make_tx_response(struct xenvif_queue *queue,
+ const struct xen_netif_tx_request *txp,
+ unsigned int extra_count,
+ s8 status)
+{
+ RING_IDX i = queue->tx.rsp_prod_pvt;
+ struct xen_netif_tx_response *resp;
+
+ resp = RING_GET_RESPONSE(&queue->tx, i);
+ resp->id = txp->id;
+ resp->status = status;
+
+ while (extra_count-- != 0)
+ RING_GET_RESPONSE(&queue->tx, ++i)->status = XEN_NETIF_RSP_NULL;
+
+ queue->tx.rsp_prod_pvt = ++i;
+}
+
+static void push_tx_responses(struct xenvif_queue *queue)
+{
+ int notify;
+
+ RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
+ if (notify)
+ notify_remote_via_irq(queue->tx_irq);
+}
+
static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
- u8 status)
+ s8 status)
{
struct pending_tx_info *pending_tx_info;
pending_ring_idx_t index;
@@ -1455,8 +1464,8 @@ static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
spin_lock_irqsave(&queue->response_lock, flags);
- make_tx_response(queue, &pending_tx_info->req,
- pending_tx_info->extra_count, status);
+ _make_tx_response(queue, &pending_tx_info->req,
+ pending_tx_info->extra_count, status);
/* Release the pending index before pusing the Tx response so
* its available before a new Tx request is pushed by the
@@ -1470,32 +1479,19 @@ static void xenvif_idx_release(struct xenvif_queue *queue, u16 pending_idx,
spin_unlock_irqrestore(&queue->response_lock, flags);
}
-
static void make_tx_response(struct xenvif_queue *queue,
- struct xen_netif_tx_request *txp,
+ const struct xen_netif_tx_request *txp,
unsigned int extra_count,
- s8 st)
+ s8 status)
{
- RING_IDX i = queue->tx.rsp_prod_pvt;
- struct xen_netif_tx_response *resp;
-
- resp = RING_GET_RESPONSE(&queue->tx, i);
- resp->id = txp->id;
- resp->status = st;
-
- while (extra_count-- != 0)
- RING_GET_RESPONSE(&queue->tx, ++i)->status = XEN_NETIF_RSP_NULL;
+ unsigned long flags;
- queue->tx.rsp_prod_pvt = ++i;
-}
+ spin_lock_irqsave(&queue->response_lock, flags);
-static void push_tx_responses(struct xenvif_queue *queue)
-{
- int notify;
+ _make_tx_response(queue, txp, extra_count, status);
+ push_tx_responses(queue);
- RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&queue->tx, notify);
- if (notify)
- notify_remote_via_irq(queue->tx_irq);
+ spin_unlock_irqrestore(&queue->response_lock, flags);
}
static void xenvif_idx_unmap(struct xenvif_queue *queue, u16 pending_idx)
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index c70f62fe3..081ec1105 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -424,7 +424,8 @@ struct trf7970a {
enum trf7970a_state state;
struct device *dev;
struct spi_device *spi;
- struct regulator *regulator;
+ struct regulator *vin_regulator;
+ struct regulator *vddio_regulator;
struct nfc_digital_dev *ddev;
u32 quirks;
bool is_initiator;
@@ -1882,7 +1883,7 @@ static int trf7970a_power_up(struct trf7970a *trf)
if (trf->state != TRF7970A_ST_PWR_OFF)
return 0;
- ret = regulator_enable(trf->regulator);
+ ret = regulator_enable(trf->vin_regulator);
if (ret) {
dev_err(trf->dev, "%s - Can't enable VIN: %d\n", __func__, ret);
return ret;
@@ -1925,7 +1926,7 @@ static int trf7970a_power_down(struct trf7970a *trf)
if (trf->en2_gpiod && !(trf->quirks & TRF7970A_QUIRK_EN2_MUST_STAY_LOW))
gpiod_set_value_cansleep(trf->en2_gpiod, 0);
- ret = regulator_disable(trf->regulator);
+ ret = regulator_disable(trf->vin_regulator);
if (ret)
dev_err(trf->dev, "%s - Can't disable VIN: %d\n", __func__,
ret);
@@ -2064,37 +2065,37 @@ static int trf7970a_probe(struct spi_device *spi)
mutex_init(&trf->lock);
INIT_DELAYED_WORK(&trf->timeout_work, trf7970a_timeout_work_handler);
- trf->regulator = devm_regulator_get(&spi->dev, "vin");
- if (IS_ERR(trf->regulator)) {
- ret = PTR_ERR(trf->regulator);
+ trf->vin_regulator = devm_regulator_get(&spi->dev, "vin");
+ if (IS_ERR(trf->vin_regulator)) {
+ ret = PTR_ERR(trf->vin_regulator);
dev_err(trf->dev, "Can't get VIN regulator: %d\n", ret);
goto err_destroy_lock;
}
- ret = regulator_enable(trf->regulator);
+ ret = regulator_enable(trf->vin_regulator);
if (ret) {
dev_err(trf->dev, "Can't enable VIN: %d\n", ret);
goto err_destroy_lock;
}
- uvolts = regulator_get_voltage(trf->regulator);
+ uvolts = regulator_get_voltage(trf->vin_regulator);
if (uvolts > 4000000)
trf->chip_status_ctrl = TRF7970A_CHIP_STATUS_VRS5_3;
- trf->regulator = devm_regulator_get(&spi->dev, "vdd-io");
- if (IS_ERR(trf->regulator)) {
- ret = PTR_ERR(trf->regulator);
+ trf->vddio_regulator = devm_regulator_get(&spi->dev, "vdd-io");
+ if (IS_ERR(trf->vddio_regulator)) {
+ ret = PTR_ERR(trf->vddio_regulator);
dev_err(trf->dev, "Can't get VDD_IO regulator: %d\n", ret);
- goto err_destroy_lock;
+ goto err_disable_vin_regulator;
}
- ret = regulator_enable(trf->regulator);
+ ret = regulator_enable(trf->vddio_regulator);
if (ret) {
dev_err(trf->dev, "Can't enable VDD_IO: %d\n", ret);
- goto err_destroy_lock;
+ goto err_disable_vin_regulator;
}
- if (regulator_get_voltage(trf->regulator) == 1800000) {
+ if (regulator_get_voltage(trf->vddio_regulator) == 1800000) {
trf->io_ctrl = TRF7970A_REG_IO_CTRL_IO_LOW;
dev_dbg(trf->dev, "trf7970a config vdd_io to 1.8V\n");
}
@@ -2107,7 +2108,7 @@ static int trf7970a_probe(struct spi_device *spi)
if (!trf->ddev) {
dev_err(trf->dev, "Can't allocate NFC digital device\n");
ret = -ENOMEM;
- goto err_disable_regulator;
+ goto err_disable_vddio_regulator;
}
nfc_digital_set_parent_dev(trf->ddev, trf->dev);
@@ -2136,8 +2137,10 @@ err_shutdown:
trf7970a_shutdown(trf);
err_free_ddev:
nfc_digital_free_device(trf->ddev);
-err_disable_regulator:
- regulator_disable(trf->regulator);
+err_disable_vddio_regulator:
+ regulator_disable(trf->vddio_regulator);
+err_disable_vin_regulator:
+ regulator_disable(trf->vin_regulator);
err_destroy_lock:
mutex_destroy(&trf->lock);
return ret;
@@ -2156,7 +2159,8 @@ static int trf7970a_remove(struct spi_device *spi)
nfc_digital_unregister_device(trf->ddev);
nfc_digital_free_device(trf->ddev);
- regulator_disable(trf->regulator);
+ regulator_disable(trf->vddio_regulator);
+ regulator_disable(trf->vin_regulator);
mutex_destroy(&trf->lock);
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index 906cab35a..8e0523907 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -220,11 +220,6 @@ static LIST_HEAD(nvme_fc_lport_list);
static DEFINE_IDA(nvme_fc_local_port_cnt);
static DEFINE_IDA(nvme_fc_ctrl_cnt);
-static struct workqueue_struct *nvme_fc_wq;
-
-static bool nvme_fc_waiting_to_unload;
-static DECLARE_COMPLETION(nvme_fc_unload_proceed);
-
/*
* These items are short-term. They will eventually be moved into
* a generic FC class. See comments in module init.
@@ -254,8 +249,6 @@ nvme_fc_free_lport(struct kref *ref)
/* remove from transport list */
spin_lock_irqsave(&nvme_fc_lock, flags);
list_del(&lport->port_list);
- if (nvme_fc_waiting_to_unload && list_empty(&nvme_fc_lport_list))
- complete(&nvme_fc_unload_proceed);
spin_unlock_irqrestore(&nvme_fc_lock, flags);
ida_simple_remove(&nvme_fc_local_port_cnt, lport->localport.port_num);
@@ -3823,10 +3816,6 @@ static int __init nvme_fc_init_module(void)
{
int ret;
- nvme_fc_wq = alloc_workqueue("nvme_fc_wq", WQ_MEM_RECLAIM, 0);
- if (!nvme_fc_wq)
- return -ENOMEM;
-
/*
* NOTE:
* It is expected that in the future the kernel will combine
@@ -3844,7 +3833,7 @@ static int __init nvme_fc_init_module(void)
ret = class_register(&fc_class);
if (ret) {
pr_err("couldn't register class fc\n");
- goto out_destroy_wq;
+ return ret;
}
/*
@@ -3868,8 +3857,6 @@ out_destroy_device:
device_destroy(&fc_class, MKDEV(0, 0));
out_destroy_class:
class_unregister(&fc_class);
-out_destroy_wq:
- destroy_workqueue(nvme_fc_wq);
return ret;
}
@@ -3889,45 +3876,23 @@ nvme_fc_delete_controllers(struct nvme_fc_rport *rport)
spin_unlock(&rport->lock);
}
-static void
-nvme_fc_cleanup_for_unload(void)
+static void __exit nvme_fc_exit_module(void)
{
struct nvme_fc_lport *lport;
struct nvme_fc_rport *rport;
-
- list_for_each_entry(lport, &nvme_fc_lport_list, port_list) {
- list_for_each_entry(rport, &lport->endp_list, endp_list) {
- nvme_fc_delete_controllers(rport);
- }
- }
-}
-
-static void __exit nvme_fc_exit_module(void)
-{
unsigned long flags;
- bool need_cleanup = false;
spin_lock_irqsave(&nvme_fc_lock, flags);
- nvme_fc_waiting_to_unload = true;
- if (!list_empty(&nvme_fc_lport_list)) {
- need_cleanup = true;
- nvme_fc_cleanup_for_unload();
- }
+ list_for_each_entry(lport, &nvme_fc_lport_list, port_list)
+ list_for_each_entry(rport, &lport->endp_list, endp_list)
+ nvme_fc_delete_controllers(rport);
spin_unlock_irqrestore(&nvme_fc_lock, flags);
- if (need_cleanup) {
- pr_info("%s: waiting for ctlr deletes\n", __func__);
- wait_for_completion(&nvme_fc_unload_proceed);
- pr_info("%s: ctrl deletes complete\n", __func__);
- }
+ flush_workqueue(nvme_delete_wq);
nvmf_unregister_transport(&nvme_fc_transport);
- ida_destroy(&nvme_fc_local_port_cnt);
- ida_destroy(&nvme_fc_ctrl_cnt);
-
device_destroy(&fc_class, MKDEV(0, 0));
class_unregister(&fc_class);
- destroy_workqueue(nvme_fc_wq);
}
module_init(nvme_fc_init_module);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 970a1b374..5242feda5 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3199,6 +3199,9 @@ static const struct pci_device_id nvme_id_table[] = {
NVME_QUIRK_BOGUS_NID, },
{ PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x126f, 0x2262), /* Silicon Motion generic */
+ .driver_data = NVME_QUIRK_NO_DEEPEST_PS |
+ NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
.driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
{ PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 46fc44ce8..846fb41da 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -357,7 +357,7 @@ __nvmet_fc_finish_ls_req(struct nvmet_fc_ls_req_op *lsop)
if (!lsop->req_queued) {
spin_unlock_irqrestore(&tgtport->lock, flags);
- return;
+ goto out_puttgtport;
}
list_del(&lsop->lsreq_list);
@@ -370,6 +370,7 @@ __nvmet_fc_finish_ls_req(struct nvmet_fc_ls_req_op *lsop)
(lsreq->rqstlen + lsreq->rsplen),
DMA_BIDIRECTIONAL);
+out_puttgtport:
nvmet_fc_tgtport_put(tgtport);
}
@@ -1101,6 +1102,9 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
int idx;
bool needrandom = true;
+ if (!tgtport->pe)
+ return NULL;
+
assoc = kzalloc(sizeof(*assoc), GFP_KERNEL);
if (!assoc)
return NULL;
@@ -2528,8 +2532,9 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
fod->req.cmd = &fod->cmdiubuf.sqe;
fod->req.cqe = &fod->rspiubuf.cqe;
- if (tgtport->pe)
- fod->req.port = tgtport->pe->port;
+ if (!tgtport->pe)
+ goto transport_error;
+ fod->req.port = tgtport->pe->port;
/* clear any response payload */
memset(&fod->rspiubuf, 0, sizeof(fod->rspiubuf));
diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index 80a208fb3..f2c5136bf 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -358,7 +358,7 @@ fcloop_h2t_ls_req(struct nvme_fc_local_port *localport,
if (!rport->targetport) {
tls_req->status = -ECONNREFUSED;
spin_lock(&rport->lock);
- list_add_tail(&rport->ls_list, &tls_req->ls_list);
+ list_add_tail(&tls_req->ls_list, &rport->ls_list);
spin_unlock(&rport->lock);
schedule_work(&rport->ls_work);
return ret;
@@ -391,7 +391,7 @@ fcloop_h2t_xmt_ls_rsp(struct nvmet_fc_target_port *targetport,
if (remoteport) {
rport = remoteport->private;
spin_lock(&rport->lock);
- list_add_tail(&rport->ls_list, &tls_req->ls_list);
+ list_add_tail(&tls_req->ls_list, &rport->ls_list);
spin_unlock(&rport->lock);
schedule_work(&rport->ls_work);
}
@@ -446,7 +446,7 @@ fcloop_t2h_ls_req(struct nvmet_fc_target_port *targetport, void *hosthandle,
if (!tport->remoteport) {
tls_req->status = -ECONNREFUSED;
spin_lock(&tport->lock);
- list_add_tail(&tport->ls_list, &tls_req->ls_list);
+ list_add_tail(&tls_req->ls_list, &tport->ls_list);
spin_unlock(&tport->lock);
schedule_work(&tport->ls_work);
return ret;
diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c
index 116ae6fd3..d70a2fa4b 100644
--- a/drivers/nvme/target/tcp.c
+++ b/drivers/nvme/target/tcp.c
@@ -1852,6 +1852,7 @@ static void __exit nvmet_tcp_exit(void)
flush_scheduled_work();
destroy_workqueue(nvmet_tcp_wq);
+ ida_destroy(&nvmet_tcp_queue_ida);
}
module_init(nvmet_tcp_init);
diff --git a/drivers/nvmem/meson-efuse.c b/drivers/nvmem/meson-efuse.c
index d6b533497..ba2714bef 100644
--- a/drivers/nvmem/meson-efuse.c
+++ b/drivers/nvmem/meson-efuse.c
@@ -47,7 +47,6 @@ static int meson_efuse_probe(struct platform_device *pdev)
struct nvmem_config *econfig;
struct clk *clk;
unsigned int size;
- int ret;
sm_np = of_parse_phandle(pdev->dev.of_node, "secure-monitor", 0);
if (!sm_np) {
@@ -60,27 +59,9 @@ static int meson_efuse_probe(struct platform_device *pdev)
if (!fw)
return -EPROBE_DEFER;
- clk = devm_clk_get(dev, NULL);
- if (IS_ERR(clk)) {
- ret = PTR_ERR(clk);
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to get efuse gate");
- return ret;
- }
-
- ret = clk_prepare_enable(clk);
- if (ret) {
- dev_err(dev, "failed to enable gate");
- return ret;
- }
-
- ret = devm_add_action_or_reset(dev,
- (void(*)(void *))clk_disable_unprepare,
- clk);
- if (ret) {
- dev_err(dev, "failed to add disable callback");
- return ret;
- }
+ clk = devm_clk_get_enabled(dev, NULL);
+ if (IS_ERR(clk))
+ return dev_err_probe(dev, PTR_ERR(clk), "failed to get efuse gate");
if (meson_sm_call(fw, SM_EFUSE_USER_MAX, &size, 0, 0, 0, 0, 0) < 0) {
dev_err(dev, "failed to get max user");
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index b6a3ee654..4d80167d3 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -9,6 +9,7 @@
#define pr_fmt(fmt) "OF: " fmt
+#include <linux/device.h>
#include <linux/of.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
@@ -675,6 +676,17 @@ void of_changeset_destroy(struct of_changeset *ocs)
{
struct of_changeset_entry *ce, *cen;
+ /*
+ * When a device is deleted, the device links to/from it are also queued
+ * for deletion. Until these device links are freed, the devices
+ * themselves aren't freed. If the device being deleted is due to an
+ * overlay change, this device might be holding a reference to a device
+ * node that will be freed. So, wait until all already pending device
+ * links are deleted before freeing a device node. This ensures we don't
+ * free any device node that has a non-zero reference count.
+ */
+ device_link_wait_removal();
+
list_for_each_entry_safe_reverse(ce, cen, &ocs->entries, node)
__of_changeset_entry_destroy(ce);
}
diff --git a/drivers/of/property.c b/drivers/of/property.c
index a411460d2..758d6db59 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1306,7 +1306,7 @@ DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
DEFINE_SIMPLE_PROP(interconnects, "interconnects", "#interconnect-cells")
DEFINE_SIMPLE_PROP(iommus, "iommus", "#iommu-cells")
DEFINE_SIMPLE_PROP(mboxes, "mboxes", "#mbox-cells")
-DEFINE_SIMPLE_PROP(io_channels, "io-channel", "#io-channel-cells")
+DEFINE_SIMPLE_PROP(io_channels, "io-channels", "#io-channel-cells")
DEFINE_SIMPLE_PROP(interrupt_parent, "interrupt-parent", NULL)
DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index f9083c868..a334c68db 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -48,6 +48,12 @@ static struct unittest_results {
failed; \
})
+#ifdef CONFIG_OF_KOBJ
+#define OF_KREF_READ(NODE) kref_read(&(NODE)->kobj.kref)
+#else
+#define OF_KREF_READ(NODE) 1
+#endif
+
/*
* Expected message may have a message level other than KERN_INFO.
* Print the expected message only if the current loglevel will allow
@@ -561,7 +567,7 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
pr_err("missing testcase data\n");
return;
}
- prefs[i] = kref_read(&p[i]->kobj.kref);
+ prefs[i] = OF_KREF_READ(p[i]);
}
rc = of_count_phandle_with_args(np, "phandle-list", "#phandle-cells");
@@ -684,9 +690,9 @@ static void __init of_unittest_parse_phandle_with_args_map(void)
unittest(rc == -EINVAL, "expected:%i got:%i\n", -EINVAL, rc);
for (i = 0; i < ARRAY_SIZE(p); ++i) {
- unittest(prefs[i] == kref_read(&p[i]->kobj.kref),
+ unittest(prefs[i] == OF_KREF_READ(p[i]),
"provider%d: expected:%d got:%d\n",
- i, prefs[i], kref_read(&p[i]->kobj.kref));
+ i, prefs[i], OF_KREF_READ(p[i]));
of_node_put(p[i]);
}
}
diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c
index 60f4ff8e0..016dea5a4 100644
--- a/drivers/opp/debugfs.c
+++ b/drivers/opp/debugfs.c
@@ -36,10 +36,12 @@ static ssize_t bw_name_read(struct file *fp, char __user *userbuf,
size_t count, loff_t *ppos)
{
struct icc_path *path = fp->private_data;
+ const char *name = icc_get_name(path);
char buf[64];
- int i;
+ int i = 0;
- i = scnprintf(buf, sizeof(buf), "%.62s\n", icc_get_name(path));
+ if (name)
+ i = scnprintf(buf, sizeof(buf), "%.62s\n", name);
return simple_read_from_buffer(userbuf, count, ppos, buf, i);
}
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index 95ed71940..8ed1df61f 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c
@@ -6,6 +6,7 @@
* Author: Kishon Vijay Abraham I <kishon@ti.com>
*/
+#include <linux/kernel.h>
#include <linux/of.h>
#include "pcie-designware.h"
@@ -593,6 +594,7 @@ int dw_pcie_ep_raise_msix_irq(struct dw_pcie_ep *ep, u8 func_no,
}
aligned_offset = msg_addr & (epc->mem->window.page_size - 1);
+ msg_addr = ALIGN_DOWN(msg_addr, epc->mem->window.page_size);
ret = dw_pcie_ep_map_addr(epc, func_no, ep->msi_mem_phys, msg_addr,
epc->mem->window.page_size);
if (ret)
@@ -660,8 +662,13 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
nbars = (reg & PCI_REBAR_CTRL_NBAR_MASK) >>
PCI_REBAR_CTRL_NBAR_SHIFT;
+ /*
+ * PCIe r6.0, sec 7.8.6.2 require us to support at least one
+ * size in the range from 1 MB to 512 GB. Advertise support
+ * for 1 MB BAR size only.
+ */
for (i = 0; i < nbars; i++, offset += PCI_REBAR_CTRL)
- dw_pcie_writel_dbi(pci, offset + PCI_REBAR_CAP, 0x0);
+ dw_pcie_writel_dbi(pci, offset + PCI_REBAR_CAP, BIT(4));
}
dw_pcie_setup(pci);
diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 23548b517..ea91d63c8 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -620,14 +620,20 @@ static void mtk_pcie_intr_handler(struct irq_desc *desc)
if (status & MSI_STATUS){
unsigned long imsi_status;
+ /*
+ * The interrupt status can be cleared even if the
+ * MSI status remains pending. As such, given the
+ * edge-triggered interrupt type, its status should
+ * be cleared before being dispatched to the
+ * handler of the underlying device.
+ */
+ writel(MSI_STATUS, port->base + PCIE_INT_STATUS);
while ((imsi_status = readl(port->base + PCIE_IMSI_STATUS))) {
for_each_set_bit(bit, &imsi_status, MTK_MSI_IRQS_NUM) {
virq = irq_find_mapping(port->inner_domain, bit);
generic_handle_irq(virq);
}
}
- /* Clear MSI interrupt status */
- writel(MSI_STATUS, port->base + PCIE_INT_STATUS);
}
}
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 3da69b26e..27377f2f9 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1409,7 +1409,7 @@ static irq_hw_number_t pci_msi_domain_calc_hwirq(struct msi_desc *desc)
return (irq_hw_number_t)desc->msi_attrib.entry_nr |
pci_dev_id(dev) << 11 |
- (pci_domain_nr(dev->bus) & 0xFFFFFFFF) << 27;
+ ((irq_hw_number_t)(pci_domain_nr(dev->bus) & 0xFFFFFFFF)) << 27;
}
static inline bool pci_msi_desc_is_multi_msi(struct msi_desc *desc)
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index c22cc20db..ae675c5a4 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -444,16 +444,21 @@ static int pci_device_remove(struct device *dev)
struct pci_dev *pci_dev = to_pci_dev(dev);
struct pci_driver *drv = pci_dev->driver;
- if (drv) {
- if (drv->remove) {
- pm_runtime_get_sync(dev);
- drv->remove(pci_dev);
- pm_runtime_put_noidle(dev);
- }
- pcibios_free_irq(pci_dev);
- pci_dev->driver = NULL;
- pci_iov_remove(pci_dev);
+ if (drv->remove) {
+ pm_runtime_get_sync(dev);
+ /*
+ * If the driver provides a .runtime_idle() callback and it has
+ * started to run already, it may continue to run in parallel
+ * with the code below, so wait until all of the runtime PM
+ * activity has completed.
+ */
+ pm_runtime_barrier(dev);
+ drv->remove(pci_dev);
+ pm_runtime_put_noidle(dev);
}
+ pcibios_free_irq(pci_dev);
+ pci_dev->driver = NULL;
+ pci_iov_remove(pci_dev);
/* Undo the runtime PM settings in local_pci_probe() */
pm_runtime_put_sync(dev);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 1f8106ec7..d1631109b 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -31,6 +31,7 @@
#include <linux/vmalloc.h>
#include <asm/dma.h>
#include <linux/aer.h>
+#include <linux/bitfield.h>
#include "pci.h"
DEFINE_MUTEX(pci_slot_mutex);
@@ -4572,13 +4573,10 @@ EXPORT_SYMBOL(pci_wait_for_pending_transaction);
*/
bool pcie_has_flr(struct pci_dev *dev)
{
- u32 cap;
-
if (dev->dev_flags & PCI_DEV_FLAGS_NO_FLR_RESET)
return false;
- pcie_capability_read_dword(dev, PCI_EXP_DEVCAP, &cap);
- return cap & PCI_EXP_DEVCAP_FLR;
+ return FIELD_GET(PCI_EXP_DEVCAP_FLR, dev->devcap) == 1;
}
EXPORT_SYMBOL_GPL(pcie_has_flr);
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 72436000f..da40f2903 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -399,11 +399,6 @@ static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused)
return 0;
}
-static inline bool pci_dev_is_disconnected(const struct pci_dev *dev)
-{
- return dev->error_state == pci_channel_io_perm_failure;
-}
-
/* pci_dev priv_flags */
#define PCI_DEV_ADDED 0
#define PCI_DPC_RECOVERED 1
@@ -447,6 +442,15 @@ int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info);
void aer_print_error(struct pci_dev *dev, struct aer_err_info *info);
#endif /* CONFIG_PCIEAER */
+#ifdef CONFIG_PCIEPORTBUS
+/* Cached RCEC Endpoint Association */
+struct rcec_ea {
+ u8 nextbusn;
+ u8 lastbusn;
+ u32 bitmap;
+};
+#endif
+
#ifdef CONFIG_PCIE_DPC
void pci_save_dpc_state(struct pci_dev *dev);
void pci_restore_dpc_state(struct pci_dev *dev);
@@ -461,6 +465,14 @@ static inline void pci_dpc_init(struct pci_dev *pdev) {}
static inline bool pci_dpc_recovered(struct pci_dev *pdev) { return false; }
#endif
+#ifdef CONFIG_PCIEPORTBUS
+void pci_rcec_init(struct pci_dev *dev);
+void pci_rcec_exit(struct pci_dev *dev);
+#else
+static inline void pci_rcec_init(struct pci_dev *dev) {}
+static inline void pci_rcec_exit(struct pci_dev *dev) {}
+#endif
+
#ifdef CONFIG_PCI_ATS
/* Address Translation Service */
void pci_ats_init(struct pci_dev *dev);
diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile
index 9a7085668..b2980db88 100644
--- a/drivers/pci/pcie/Makefile
+++ b/drivers/pci/pcie/Makefile
@@ -2,7 +2,7 @@
#
# Makefile for PCI Express features and port driver
-pcieportdrv-y := portdrv_core.o portdrv_pci.o err.o
+pcieportdrv-y := portdrv_core.o portdrv_pci.o err.o rcec.o
obj-$(CONFIG_PCIEPORTBUS) += pcieportdrv.o
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 9564b7400..d58b02237 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -741,7 +741,7 @@ static void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info)
u8 bus = info->id >> 8;
u8 devfn = info->id & 0xff;
- pci_info(dev, "%s%s error received: %04x:%02x:%02x.%d\n",
+ pci_info(dev, "%s%s error message received from %04x:%02x:%02x.%d\n",
info->multi_error_valid ? "Multiple " : "",
aer_error_severity_string[info->severity],
pci_domain_nr(dev->bus), bus, PCI_SLOT(devfn),
@@ -926,7 +926,12 @@ static bool find_source_device(struct pci_dev *parent,
pci_walk_bus(parent->subordinate, find_device_iter, e_info);
if (!e_info->error_dev_num) {
- pci_info(parent, "can't find device of ID%04x\n", e_info->id);
+ u8 bus = e_info->id >> 8;
+ u8 devfn = e_info->id & 0xff;
+
+ pci_info(parent, "found no error details for %04x:%02x:%02x.%d\n",
+ pci_domain_nr(parent->bus), bus, PCI_SLOT(devfn),
+ PCI_FUNC(devfn));
return false;
}
return true;
diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
index f21d64ae4..ab83f78f3 100644
--- a/drivers/pci/pcie/dpc.c
+++ b/drivers/pci/pcie/dpc.c
@@ -231,7 +231,7 @@ static void dpc_process_rp_pio_error(struct pci_dev *pdev)
for (i = 0; i < pdev->dpc_rp_log_size - 5; i++) {
pci_read_config_dword(pdev,
- cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG, &prefix);
+ cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG + i * 4, &prefix);
pci_err(pdev, "TLP Prefix Header: dw%d, %#010x\n", i, prefix);
}
clear_status:
@@ -335,11 +335,16 @@ void pci_dpc_init(struct pci_dev *pdev)
return;
pdev->dpc_rp_extensions = true;
- pdev->dpc_rp_log_size = (cap & PCI_EXP_DPC_RP_PIO_LOG_SIZE) >> 8;
- if (pdev->dpc_rp_log_size < 4 || pdev->dpc_rp_log_size > 9) {
- pci_err(pdev, "RP PIO log size %u is invalid\n",
- pdev->dpc_rp_log_size);
- pdev->dpc_rp_log_size = 0;
+
+ /* Quirks may set dpc_rp_log_size if device or firmware is buggy */
+ if (!pdev->dpc_rp_log_size) {
+ pdev->dpc_rp_log_size =
+ (cap & PCI_EXP_DPC_RP_PIO_LOG_SIZE) >> 8;
+ if (pdev->dpc_rp_log_size < 4 || pdev->dpc_rp_log_size > 9) {
+ pci_err(pdev, "RP PIO log size %u is invalid\n",
+ pdev->dpc_rp_log_size);
+ pdev->dpc_rp_log_size = 0;
+ }
}
}
diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c
index 984aa023c..bb4febcf4 100644
--- a/drivers/pci/pcie/err.c
+++ b/drivers/pci/pcie/err.c
@@ -13,6 +13,7 @@
#define dev_fmt(fmt) "AER: " fmt
#include <linux/pci.h>
+#include <linux/pm_runtime.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
@@ -79,6 +80,18 @@ static int report_error_detected(struct pci_dev *dev,
return 0;
}
+static int pci_pm_runtime_get_sync(struct pci_dev *pdev, void *data)
+{
+ pm_runtime_get_sync(&pdev->dev);
+ return 0;
+}
+
+static int pci_pm_runtime_put(struct pci_dev *pdev, void *data)
+{
+ pm_runtime_put(&pdev->dev);
+ return 0;
+}
+
static int report_frozen_detected(struct pci_dev *dev, void *data)
{
return report_error_detected(dev, pci_channel_io_frozen, data);
@@ -176,6 +189,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
int type = pci_pcie_type(dev);
struct pci_dev *bridge;
pci_ers_result_t status = PCI_ERS_RESULT_CAN_RECOVER;
+ struct pci_host_bridge *host = pci_find_host_bridge(dev->bus);
/*
* If the error was detected by a Root Port, Downstream Port, or
@@ -193,6 +207,8 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
else
bridge = pci_upstream_bridge(dev);
+ pci_walk_bridge(bridge, pci_pm_runtime_get_sync, NULL);
+
pci_dbg(bridge, "broadcast error_detected message\n");
if (state == pci_channel_io_frozen) {
pci_walk_bridge(bridge, report_frozen_detected, &status);
@@ -227,13 +243,26 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev,
pci_dbg(bridge, "broadcast resume message\n");
pci_walk_bridge(bridge, report_resume, &status);
- if (pcie_aer_is_native(bridge))
+ /*
+ * If we have native control of AER, clear error status in the Root
+ * Port or Downstream Port that signaled the error. If the
+ * platform retained control of AER, it is responsible for clearing
+ * this status. In that case, the signaling device may not even be
+ * visible to the OS.
+ */
+ if (host->native_aer || pcie_ports_native) {
pcie_clear_device_status(bridge);
- pci_aer_clear_nonfatal_status(bridge);
+ pci_aer_clear_nonfatal_status(bridge);
+ }
+
+ pci_walk_bridge(bridge, pci_pm_runtime_put, NULL);
+
pci_info(bridge, "device recovery successful\n");
return status;
failed:
+ pci_walk_bridge(bridge, pci_pm_runtime_put, NULL);
+
pci_uevent_ers(bridge, PCI_ERS_RESULT_DISCONNECT);
/* TODO: Should kernel panic here? */
diff --git a/drivers/pci/pcie/rcec.c b/drivers/pci/pcie/rcec.c
new file mode 100644
index 000000000..038e9d706
--- /dev/null
+++ b/drivers/pci/pcie/rcec.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Root Complex Event Collector Support
+ *
+ * Authors:
+ * Sean V Kelley <sean.v.kelley@intel.com>
+ * Qiuxu Zhuo <qiuxu.zhuo@intel.com>
+ *
+ * Copyright (C) 2020 Intel Corp.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/pci_regs.h>
+
+#include "../pci.h"
+
+void pci_rcec_init(struct pci_dev *dev)
+{
+ struct rcec_ea *rcec_ea;
+ u32 rcec, hdr, busn;
+ u8 ver;
+
+ /* Only for Root Complex Event Collectors */
+ if (pci_pcie_type(dev) != PCI_EXP_TYPE_RC_EC)
+ return;
+
+ rcec = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_RCEC);
+ if (!rcec)
+ return;
+
+ rcec_ea = kzalloc(sizeof(*rcec_ea), GFP_KERNEL);
+ if (!rcec_ea)
+ return;
+
+ pci_read_config_dword(dev, rcec + PCI_RCEC_RCIEP_BITMAP,
+ &rcec_ea->bitmap);
+
+ /* Check whether RCEC BUSN register is present */
+ pci_read_config_dword(dev, rcec, &hdr);
+ ver = PCI_EXT_CAP_VER(hdr);
+ if (ver >= PCI_RCEC_BUSN_REG_VER) {
+ pci_read_config_dword(dev, rcec + PCI_RCEC_BUSN, &busn);
+ rcec_ea->nextbusn = PCI_RCEC_BUSN_NEXT(busn);
+ rcec_ea->lastbusn = PCI_RCEC_BUSN_LAST(busn);
+ } else {
+ /* Avoid later ver check by setting nextbusn */
+ rcec_ea->nextbusn = 0xff;
+ rcec_ea->lastbusn = 0x00;
+ }
+
+ dev->rcec_ea = rcec_ea;
+}
+
+void pci_rcec_exit(struct pci_dev *dev)
+{
+ kfree(dev->rcec_ea);
+ dev->rcec_ea = NULL;
+}
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index ece90a239..02a75f3b5 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -19,6 +19,7 @@
#include <linux/hypervisor.h>
#include <linux/irqdomain.h>
#include <linux/pm_runtime.h>
+#include <linux/bitfield.h>
#include "pci.h"
#define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */
@@ -1496,8 +1497,8 @@ void set_pcie_port_type(struct pci_dev *pdev)
pdev->pcie_cap = pos;
pci_read_config_word(pdev, pos + PCI_EXP_FLAGS, &reg16);
pdev->pcie_flags_reg = reg16;
- pci_read_config_word(pdev, pos + PCI_EXP_DEVCAP, &reg16);
- pdev->pcie_mpss = reg16 & PCI_EXP_DEVCAP_PAYLOAD;
+ pci_read_config_dword(pdev, pos + PCI_EXP_DEVCAP, &pdev->devcap);
+ pdev->pcie_mpss = FIELD_GET(PCI_EXP_DEVCAP_PAYLOAD, pdev->devcap);
parent = pci_upstream_bridge(pdev);
if (!parent)
@@ -2216,6 +2217,7 @@ static void pci_configure_device(struct pci_dev *dev)
static void pci_release_capabilities(struct pci_dev *dev)
{
pci_aer_exit(dev);
+ pci_rcec_exit(dev);
pci_vpd_release(dev);
pci_iov_release(dev);
pci_free_cap_save_buffers(dev);
@@ -2416,6 +2418,7 @@ static void pci_init_capabilities(struct pci_dev *dev)
pci_ptm_init(dev); /* Precision Time Measurement */
pci_aer_init(dev); /* Advanced Error Reporting */
pci_dpc_init(dev); /* Downstream Port Containment */
+ pci_rcec_init(dev); /* Root Complex Event Collector */
pcie_report_downtraining(dev);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 21661feee..60a469bdc 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -12,6 +12,7 @@
* file, where their drivers can use them.
*/
+#include <linux/bitfield.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/export.h>
@@ -609,10 +610,13 @@ static void quirk_amd_dwc_class(struct pci_dev *pdev)
{
u32 class = pdev->class;
- /* Use "USB Device (not host controller)" class */
- pdev->class = PCI_CLASS_SERIAL_USB_DEVICE;
- pci_info(pdev, "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
- class, pdev->class);
+ if (class != PCI_CLASS_SERIAL_USB_DEVICE) {
+ /* Use "USB Device (not host controller)" class */
+ pdev->class = PCI_CLASS_SERIAL_USB_DEVICE;
+ pci_info(pdev,
+ "PCI class overridden (%#08x -> %#08x) so dwc3 driver can claim this instead of xhci\n",
+ class, pdev->class);
+ }
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB,
quirk_amd_dwc_class);
@@ -3639,6 +3643,19 @@ DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_VENDOR_ID_ATI, PCI_ANY_ID,
PCI_CLASS_DISPLAY_VGA, 8, quirk_no_pm_reset);
/*
+ * Spectrum-{1,2,3,4} devices report that a D3hot->D0 transition causes a reset
+ * (i.e., they advertise NoSoftRst-). However, this transition does not have
+ * any effect on the device: It continues to be operational and network ports
+ * remain up. Advertising this support makes it seem as if a PM reset is viable
+ * for these devices. Mark it as unavailable to skip it when testing reset
+ * methods.
+ */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcb84, quirk_no_pm_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcf6c, quirk_no_pm_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcf70, quirk_no_pm_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MELLANOX, 0xcf80, quirk_no_pm_reset);
+
+/*
* Thunderbolt controllers with broken MSI hotplug signaling:
* Entire 1st generation (Light Ridge, Eagle Ridge, Light Peak) and part
* of the 2nd generation (Cactus Ridge 4C up to revision 1, Port Ridge).
@@ -5348,6 +5365,7 @@ static void quirk_no_ext_tags(struct pci_dev *pdev)
pci_walk_bus(bridge->bus, pci_configure_extended_tags, NULL);
}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_3WARE, 0x1004, quirk_no_ext_tags);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0132, quirk_no_ext_tags);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0140, quirk_no_ext_tags);
DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0141, quirk_no_ext_tags);
@@ -5835,3 +5853,102 @@ static void nvidia_ion_ahci_fixup(struct pci_dev *pdev)
pdev->dev_flags |= PCI_DEV_FLAGS_HAS_MSI_MASKING;
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x0ab8, nvidia_ion_ahci_fixup);
+
+static void rom_bar_overlap_defect(struct pci_dev *dev)
+{
+ pci_info(dev, "working around ROM BAR overlap defect\n");
+ dev->rom_bar_overlap = 1;
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1533, rom_bar_overlap_defect);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1536, rom_bar_overlap_defect);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1537, rom_bar_overlap_defect);
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x1538, rom_bar_overlap_defect);
+
+#ifdef CONFIG_PCIEASPM
+/*
+ * Several Intel DG2 graphics devices advertise that they can only tolerate
+ * 1us latency when transitioning from L1 to L0, which may prevent ASPM L1
+ * from being enabled. But in fact these devices can tolerate unlimited
+ * latency. Override their Device Capabilities value to allow ASPM L1 to
+ * be enabled.
+ */
+static void aspm_l1_acceptable_latency(struct pci_dev *dev)
+{
+ u32 l1_lat = FIELD_GET(PCI_EXP_DEVCAP_L1, dev->devcap);
+
+ if (l1_lat < 7) {
+ dev->devcap |= FIELD_PREP(PCI_EXP_DEVCAP_L1, 7);
+ pci_info(dev, "ASPM: overriding L1 acceptable latency from %#x to 0x7\n",
+ l1_lat);
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f80, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f81, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f82, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f83, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f84, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f85, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f86, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f87, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x4f88, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x5690, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x5691, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x5692, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x5693, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x5694, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x5695, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a0, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a1, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a2, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a3, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a4, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a5, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56a6, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56b0, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56b1, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56c0, aspm_l1_acceptable_latency);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x56c1, aspm_l1_acceptable_latency);
+#endif
+
+#ifdef CONFIG_PCIE_DPC
+/*
+ * Intel Ice Lake, Tiger Lake and Alder Lake BIOS has a bug that clears
+ * the DPC RP PIO Log Size of the integrated Thunderbolt PCIe Root
+ * Ports.
+ */
+static void dpc_log_size(struct pci_dev *dev)
+{
+ u16 dpc, val;
+
+ dpc = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_DPC);
+ if (!dpc)
+ return;
+
+ pci_read_config_word(dev, dpc + PCI_EXP_DPC_CAP, &val);
+ if (!(val & PCI_EXP_DPC_CAP_RP_EXT))
+ return;
+
+ if (!((val & PCI_EXP_DPC_RP_PIO_LOG_SIZE) >> 8)) {
+ pci_info(dev, "Overriding RP PIO Log Size to 4\n");
+ dev->dpc_rp_log_size = 4;
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x461f, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x462f, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x463f, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x466e, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a1d, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a1f, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a21, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x8a23, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a23, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a25, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a27, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a29, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2b, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2d, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2f, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a31, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa73f, dpc_log_size);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0xa76e, dpc_log_size);
+#endif
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 875d50c16..b492e67c3 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -75,12 +75,16 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
* as zero when disabled, so don't update ROM BARs unless
* they're enabled. See
* https://lore.kernel.org/r/43147B3D.1030309@vc.cvut.cz/
+ * But we must update ROM BAR for buggy devices where even a
+ * disabled ROM can conflict with other BARs.
*/
- if (!(res->flags & IORESOURCE_ROM_ENABLE))
+ if (!(res->flags & IORESOURCE_ROM_ENABLE) &&
+ !dev->rom_bar_overlap)
return;
reg = dev->rom_base_reg;
- new |= PCI_ROM_ADDRESS_ENABLE;
+ if (res->flags & IORESOURCE_ROM_ENABLE)
+ new |= PCI_ROM_ADDRESS_ENABLE;
} else
return;
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index ba5245992..9aa230c32 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1251,13 +1251,6 @@ static void stdev_release(struct device *dev)
{
struct switchtec_dev *stdev = to_stdev(dev);
- if (stdev->dma_mrpc) {
- iowrite32(0, &stdev->mmio_mrpc->dma_en);
- flush_wc_buf(stdev);
- writeq(0, &stdev->mmio_mrpc->dma_addr);
- dma_free_coherent(&stdev->pdev->dev, sizeof(*stdev->dma_mrpc),
- stdev->dma_mrpc, stdev->dma_mrpc_dma_addr);
- }
kfree(stdev);
}
@@ -1301,7 +1294,7 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev)
return ERR_PTR(-ENOMEM);
stdev->alive = true;
- stdev->pdev = pdev;
+ stdev->pdev = pci_dev_get(pdev);
INIT_LIST_HEAD(&stdev->mrpc_queue);
mutex_init(&stdev->mrpc_mutex);
stdev->mrpc_busy = 0;
@@ -1335,6 +1328,7 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev)
return stdev;
err_put:
+ pci_dev_put(stdev->pdev);
put_device(&stdev->dev);
return ERR_PTR(rc);
}
@@ -1587,6 +1581,18 @@ static int switchtec_init_pci(struct switchtec_dev *stdev,
return 0;
}
+static void switchtec_exit_pci(struct switchtec_dev *stdev)
+{
+ if (stdev->dma_mrpc) {
+ iowrite32(0, &stdev->mmio_mrpc->dma_en);
+ flush_wc_buf(stdev);
+ writeq(0, &stdev->mmio_mrpc->dma_addr);
+ dma_free_coherent(&stdev->pdev->dev, sizeof(*stdev->dma_mrpc),
+ stdev->dma_mrpc, stdev->dma_mrpc_dma_addr);
+ stdev->dma_mrpc = NULL;
+ }
+}
+
static int switchtec_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
@@ -1609,7 +1615,7 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
rc = switchtec_init_isr(stdev);
if (rc) {
dev_err(&stdev->dev, "failed to init isr.\n");
- goto err_put;
+ goto err_exit_pci;
}
iowrite32(SWITCHTEC_EVENT_CLEAR |
@@ -1630,6 +1636,8 @@ static int switchtec_pci_probe(struct pci_dev *pdev,
err_devadd:
stdev_kill(stdev);
+err_exit_pci:
+ switchtec_exit_pci(stdev);
err_put:
ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
put_device(&stdev->dev);
@@ -1646,6 +1654,9 @@ static void switchtec_pci_remove(struct pci_dev *pdev)
ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt));
dev_info(&stdev->dev, "unregistered.\n");
stdev_kill(stdev);
+ switchtec_exit_pci(stdev);
+ pci_dev_put(stdev->pdev);
+ stdev->pdev = NULL;
put_device(&stdev->dev);
}
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index 2cb949f93..c0802152f 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -633,8 +633,6 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
channel->irq = platform_get_irq_optional(pdev, 0);
channel->dr_mode = rcar_gen3_get_dr_mode(dev->of_node);
if (channel->dr_mode != USB_DR_MODE_UNKNOWN) {
- int ret;
-
channel->is_otg_channel = true;
channel->uses_otg_pins = !of_property_read_bool(dev->of_node,
"renesas,no-otg-pins");
@@ -693,8 +691,6 @@ static int rcar_gen3_phy_usb2_probe(struct platform_device *pdev)
ret = PTR_ERR(provider);
goto error;
} else if (channel->is_otg_channel) {
- int ret;
-
ret = device_create_file(dev, &dev_attr_role);
if (ret < 0)
goto error;
diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 8f11b293c..856397def 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -1399,6 +1399,19 @@ int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl,
}
EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_usb3_companion);
+int tegra_xusb_padctl_get_port_number(struct phy *phy)
+{
+ struct tegra_xusb_lane *lane;
+
+ if (!phy)
+ return -ENODEV;
+
+ lane = phy_get_drvdata(phy);
+
+ return lane->index;
+}
+EXPORT_SYMBOL_GPL(tegra_xusb_padctl_get_port_number);
+
MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
MODULE_DESCRIPTION("Tegra XUSB Pad Controller driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/phy/ti/phy-omap-usb2.c b/drivers/phy/ti/phy-omap-usb2.c
index f77ac041d..95e72f7a3 100644
--- a/drivers/phy/ti/phy-omap-usb2.c
+++ b/drivers/phy/ti/phy-omap-usb2.c
@@ -116,7 +116,7 @@ static int omap_usb_set_vbus(struct usb_otg *otg, bool enabled)
{
struct omap_usb *phy = phy_to_omapusb(otg->usb_phy);
- if (!phy->comparator)
+ if (!phy->comparator || !phy->comparator->set_vbus)
return -ENODEV;
return phy->comparator->set_vbus(phy->comparator, enabled);
@@ -126,7 +126,7 @@ static int omap_usb_start_srp(struct usb_otg *otg)
{
struct omap_usb *phy = phy_to_omapusb(otg->usb_phy);
- if (!phy->comparator)
+ if (!phy->comparator || !phy->comparator->start_srp)
return -ENODEV;
return phy->comparator->start_srp(phy->comparator);
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8192.c b/drivers/pinctrl/mediatek/pinctrl-mt8192.c
index 0c16b2c75..f3020e3c8 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mt8192.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mt8192.c
@@ -1346,7 +1346,6 @@ static const struct mtk_pin_reg_calc mt8192_reg_cals[PINCTRL_PIN_REG_MAX] = {
[PINCTRL_PIN_REG_DIR] = MTK_RANGE(mt8192_pin_dir_range),
[PINCTRL_PIN_REG_DI] = MTK_RANGE(mt8192_pin_di_range),
[PINCTRL_PIN_REG_DO] = MTK_RANGE(mt8192_pin_do_range),
- [PINCTRL_PIN_REG_SR] = MTK_RANGE(mt8192_pin_dir_range),
[PINCTRL_PIN_REG_SMT] = MTK_RANGE(mt8192_pin_smt_range),
[PINCTRL_PIN_REG_IES] = MTK_RANGE(mt8192_pin_ies_range),
[PINCTRL_PIN_REG_PU] = MTK_RANGE(mt8192_pin_pu_range),
diff --git a/drivers/pinctrl/renesas/core.c b/drivers/pinctrl/renesas/core.c
index 54f1a7334..c39085448 100644
--- a/drivers/pinctrl/renesas/core.c
+++ b/drivers/pinctrl/renesas/core.c
@@ -868,9 +868,11 @@ static void __init sh_pfc_check_cfg_reg(const char *drvname,
sh_pfc_err("reg 0x%x: var_field_width declares %u instead of %u bits\n",
cfg_reg->reg, rw, cfg_reg->reg_width);
- if (n != cfg_reg->nr_enum_ids)
+ if (n != cfg_reg->nr_enum_ids) {
sh_pfc_err("reg 0x%x: enum_ids[] has %u instead of %u values\n",
cfg_reg->reg, cfg_reg->nr_enum_ids, n);
+ n = cfg_reg->nr_enum_ids;
+ }
check_enum_ids:
sh_pfc_check_reg_enums(drvname, cfg_reg->reg, cfg_reg->enum_ids, n);
diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index a90c32d07..9c8a6722f 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -230,6 +230,12 @@ static const struct dmi_system_id dmi_switches_allow_list[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7352"),
},
},
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion 13 x360 PC"),
+ },
+ },
{} /* Array terminator */
};
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index eedff2ae2..fbaa61859 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -50,7 +50,7 @@ static const struct property_entry chuwi_hi8_air_props[] = {
};
static const struct ts_dmi_data chuwi_hi8_air_data = {
- .acpi_name = "MSSL1680:00",
+ .acpi_name = "MSSL1680",
.properties = chuwi_hi8_air_props,
};
@@ -1085,6 +1085,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
},
},
{
+ /* Chuwi Vi8 dual-boot (CWI506) */
+ .driver_data = (void *)&chuwi_vi8_data,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
+ DMI_MATCH(DMI_BIOS_VERSION, "CHUWI2.D86JHBNR02"),
+ },
+ },
+ {
/* Chuwi Vi8 Plus (CWI519) */
.driver_data = (void *)&chuwi_vi8_plus_data,
.matches = {
@@ -1648,7 +1657,7 @@ static void ts_dmi_add_props(struct i2c_client *client)
int error;
if (has_acpi_companion(dev) &&
- !strncmp(ts_data->acpi_name, client->name, I2C_NAME_SIZE)) {
+ strstarts(client->name, ts_data->acpi_name)) {
error = device_add_properties(dev, ts_data->properties);
if (error)
dev_err(dev, "failed to add properties: %d\n", error);
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index da78dc77a..9879deb4d 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -151,13 +151,13 @@ static int vendor_resource_matches(struct pnp_dev *dev,
static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
struct acpi_resource_vendor_typed *vendor)
{
- if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid, 16)) {
- u64 start, length;
+ struct { u64 start, length; } range;
- memcpy(&start, vendor->byte_data, sizeof(start));
- memcpy(&length, vendor->byte_data + 8, sizeof(length));
-
- pnp_add_mem_resource(dev, start, start + length - 1, 0);
+ if (vendor_resource_matches(dev, vendor, &hp_ccsr_uuid,
+ sizeof(range))) {
+ memcpy(&range, vendor->byte_data, sizeof(range));
+ pnp_add_mem_resource(dev, range.start, range.start +
+ range.length - 1, 0);
}
}
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c
index 0e32efb10..6fbae8fc2 100644
--- a/drivers/power/supply/bq27xxx_battery_i2c.c
+++ b/drivers/power/supply/bq27xxx_battery_i2c.c
@@ -209,7 +209,9 @@ static int bq27xxx_battery_i2c_remove(struct i2c_client *client)
{
struct bq27xxx_device_info *di = i2c_get_clientdata(client);
- free_irq(client->irq, di);
+ if (client->irq)
+ free_irq(client->irq, di);
+
bq27xxx_battery_teardown(di);
mutex_lock(&battery_mutex);
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 51c4f604d..54330eb0d 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2768,7 +2768,8 @@ static int _regulator_enable(struct regulator *regulator)
/* Fallthrough on positive return values - already enabled */
}
- rdev->use_count++;
+ if (regulator->enable_count == 1)
+ rdev->use_count++;
return 0;
@@ -2846,37 +2847,40 @@ static int _regulator_disable(struct regulator *regulator)
lockdep_assert_held_once(&rdev->mutex.base);
- if (WARN(rdev->use_count <= 0,
+ if (WARN(regulator->enable_count == 0,
"unbalanced disables for %s\n", rdev_get_name(rdev)))
return -EIO;
- /* are we the last user and permitted to disable ? */
- if (rdev->use_count == 1 &&
- (rdev->constraints && !rdev->constraints->always_on)) {
-
- /* we are last user */
- if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) {
- ret = _notifier_call_chain(rdev,
- REGULATOR_EVENT_PRE_DISABLE,
- NULL);
- if (ret & NOTIFY_STOP_MASK)
- return -EINVAL;
-
- ret = _regulator_do_disable(rdev);
- if (ret < 0) {
- rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret));
- _notifier_call_chain(rdev,
- REGULATOR_EVENT_ABORT_DISABLE,
+ if (regulator->enable_count == 1) {
+ /* disabling last enable_count from this regulator */
+ /* are we the last user and permitted to disable ? */
+ if (rdev->use_count == 1 &&
+ (rdev->constraints && !rdev->constraints->always_on)) {
+
+ /* we are last user */
+ if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) {
+ ret = _notifier_call_chain(rdev,
+ REGULATOR_EVENT_PRE_DISABLE,
+ NULL);
+ if (ret & NOTIFY_STOP_MASK)
+ return -EINVAL;
+
+ ret = _regulator_do_disable(rdev);
+ if (ret < 0) {
+ rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret));
+ _notifier_call_chain(rdev,
+ REGULATOR_EVENT_ABORT_DISABLE,
+ NULL);
+ return ret;
+ }
+ _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
NULL);
- return ret;
}
- _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
- NULL);
- }
- rdev->use_count = 0;
- } else if (rdev->use_count > 1) {
- rdev->use_count--;
+ rdev->use_count = 0;
+ } else if (rdev->use_count > 1) {
+ rdev->use_count--;
+ }
}
if (ret == 0)
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index 7629476d9..f4d9d9455 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -158,6 +158,9 @@ static int pwm_regulator_get_voltage(struct regulator_dev *rdev)
pwm_get_state(drvdata->pwm, &pstate);
voltage = pwm_get_relative_duty_cycle(&pstate, duty_unit);
+ if (voltage < min(max_uV_duty, min_uV_duty) ||
+ voltage > max(max_uV_duty, min_uV_duty))
+ return -ENOTRECOVERABLE;
/*
* The dutycycle for min_uV might be greater than the one for max_uV.
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index d99548fb5..6dbf6ed10 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -249,7 +249,7 @@ config ST_SLIM_REMOTEPROC
config STM32_RPROC
tristate "STM32 remoteproc support"
- depends on ARCH_STM32
+ depends on ARCH_STM32 || COMPILE_TEST
depends on REMOTEPROC
select MAILBOX
help
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index cc55ff012..a933e3456 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1539,6 +1539,32 @@ disable_iommu:
return ret;
}
+static int rproc_set_rsc_table(struct rproc *rproc)
+{
+ struct resource_table *table_ptr;
+ struct device *dev = &rproc->dev;
+ size_t table_sz;
+ int ret;
+
+ table_ptr = rproc_get_loaded_rsc_table(rproc, &table_sz);
+ if (!table_ptr) {
+ /* Not having a resource table is acceptable */
+ return 0;
+ }
+
+ if (IS_ERR(table_ptr)) {
+ ret = PTR_ERR(table_ptr);
+ dev_err(dev, "can't load resource table: %d\n", ret);
+ return ret;
+ }
+
+ rproc->cached_table = NULL;
+ rproc->table_ptr = table_ptr;
+ rproc->table_sz = table_sz;
+
+ return 0;
+}
+
/*
* Attach to remote processor - similar to rproc_fw_boot() but without
* the steps that deal with the firmware image.
@@ -1558,6 +1584,12 @@ static int rproc_actuate(struct rproc *rproc)
return ret;
}
+ ret = rproc_set_rsc_table(rproc);
+ if (ret) {
+ dev_err(dev, "can't load resource table: %d\n", ret);
+ goto disable_iommu;
+ }
+
/* reset max_notifyid */
rproc->max_notifyid = -1;
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index c34002888..4f73aac7e 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -178,6 +178,16 @@ struct resource_table *rproc_find_loaded_rsc_table(struct rproc *rproc,
}
static inline
+struct resource_table *rproc_get_loaded_rsc_table(struct rproc *rproc,
+ size_t *size)
+{
+ if (rproc->ops->get_loaded_rsc_table)
+ return rproc->ops->get_loaded_rsc_table(rproc, size);
+
+ return NULL;
+}
+
+static inline
bool rproc_u64_fit_in_size_t(u64 val)
{
if (sizeof(size_t) == sizeof(u64))
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index df784fec1..3d411e18a 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -117,10 +117,10 @@ static int stm32_rproc_mem_alloc(struct rproc *rproc,
struct device *dev = rproc->dev.parent;
void *va;
- dev_dbg(dev, "map memory: %pa+%x\n", &mem->dma, mem->len);
- va = ioremap_wc(mem->dma, mem->len);
+ dev_dbg(dev, "map memory: %pad+%zx\n", &mem->dma, mem->len);
+ va = (__force void *)ioremap_wc(mem->dma, mem->len);
if (IS_ERR_OR_NULL(va)) {
- dev_err(dev, "Unable to map memory region: %pa+%x\n",
+ dev_err(dev, "Unable to map memory region: %pad+0x%zx\n",
&mem->dma, mem->len);
return -ENOMEM;
}
@@ -135,7 +135,7 @@ static int stm32_rproc_mem_release(struct rproc *rproc,
struct rproc_mem_entry *mem)
{
dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma);
- iounmap(mem->va);
+ iounmap((__force __iomem void *)mem->va);
return 0;
}
@@ -553,7 +553,74 @@ static void stm32_rproc_kick(struct rproc *rproc, int vqid)
}
}
-static struct rproc_ops st_rproc_ops = {
+static int stm32_rproc_da_to_pa(struct rproc *rproc,
+ u64 da, phys_addr_t *pa)
+{
+ struct stm32_rproc *ddata = rproc->priv;
+ struct device *dev = rproc->dev.parent;
+ struct stm32_rproc_mem *p_mem;
+ unsigned int i;
+
+ for (i = 0; i < ddata->nb_rmems; i++) {
+ p_mem = &ddata->rmems[i];
+
+ if (da < p_mem->dev_addr ||
+ da >= p_mem->dev_addr + p_mem->size)
+ continue;
+
+ *pa = da - p_mem->dev_addr + p_mem->bus_addr;
+ dev_dbg(dev, "da %llx to pa %pap\n", da, pa);
+
+ return 0;
+ }
+
+ dev_err(dev, "can't translate da %llx\n", da);
+
+ return -EINVAL;
+}
+
+static struct resource_table *
+stm32_rproc_get_loaded_rsc_table(struct rproc *rproc, size_t *table_sz)
+{
+ struct stm32_rproc *ddata = rproc->priv;
+ struct device *dev = rproc->dev.parent;
+ phys_addr_t rsc_pa;
+ u32 rsc_da;
+ int err;
+
+ /* The resource table has already been mapped, nothing to do */
+ if (ddata->rsc_va)
+ goto done;
+
+ err = regmap_read(ddata->rsctbl.map, ddata->rsctbl.reg, &rsc_da);
+ if (err) {
+ dev_err(dev, "failed to read rsc tbl addr\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (!rsc_da)
+ /* no rsc table */
+ return ERR_PTR(-ENOENT);
+
+ err = stm32_rproc_da_to_pa(rproc, rsc_da, &rsc_pa);
+ if (err)
+ return ERR_PTR(err);
+
+ ddata->rsc_va = devm_ioremap_wc(dev, rsc_pa, RSC_TBL_SIZE);
+ if (IS_ERR_OR_NULL(ddata->rsc_va)) {
+ dev_err(dev, "Unable to map memory region: %pa+%x\n",
+ &rsc_pa, RSC_TBL_SIZE);
+ ddata->rsc_va = NULL;
+ return ERR_PTR(-ENOMEM);
+ }
+
+done:
+ /* Assuming the resource table fits in 1kB is fair */
+ *table_sz = RSC_TBL_SIZE;
+ return (__force struct resource_table *)ddata->rsc_va;
+}
+
+static const struct rproc_ops st_rproc_ops = {
.start = stm32_rproc_start,
.stop = stm32_rproc_stop,
.attach = stm32_rproc_attach,
@@ -561,6 +628,7 @@ static struct rproc_ops st_rproc_ops = {
.load = rproc_elf_load_segments,
.parse_fw = stm32_rproc_parse_fw,
.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
+ .get_loaded_rsc_table = stm32_rproc_get_loaded_rsc_table,
.sanity_check = rproc_elf_sanity_check,
.get_boot_addr = rproc_elf_get_boot_addr,
};
@@ -704,75 +772,6 @@ static int stm32_rproc_get_m4_status(struct stm32_rproc *ddata,
return regmap_read(ddata->m4_state.map, ddata->m4_state.reg, state);
}
-static int stm32_rproc_da_to_pa(struct platform_device *pdev,
- struct stm32_rproc *ddata,
- u64 da, phys_addr_t *pa)
-{
- struct device *dev = &pdev->dev;
- struct stm32_rproc_mem *p_mem;
- unsigned int i;
-
- for (i = 0; i < ddata->nb_rmems; i++) {
- p_mem = &ddata->rmems[i];
-
- if (da < p_mem->dev_addr ||
- da >= p_mem->dev_addr + p_mem->size)
- continue;
-
- *pa = da - p_mem->dev_addr + p_mem->bus_addr;
- dev_dbg(dev, "da %llx to pa %#x\n", da, *pa);
-
- return 0;
- }
-
- dev_err(dev, "can't translate da %llx\n", da);
-
- return -EINVAL;
-}
-
-static int stm32_rproc_get_loaded_rsc_table(struct platform_device *pdev,
- struct rproc *rproc,
- struct stm32_rproc *ddata)
-{
- struct device *dev = &pdev->dev;
- phys_addr_t rsc_pa;
- u32 rsc_da;
- int err;
-
- err = regmap_read(ddata->rsctbl.map, ddata->rsctbl.reg, &rsc_da);
- if (err) {
- dev_err(dev, "failed to read rsc tbl addr\n");
- return err;
- }
-
- if (!rsc_da)
- /* no rsc table */
- return 0;
-
- err = stm32_rproc_da_to_pa(pdev, ddata, rsc_da, &rsc_pa);
- if (err)
- return err;
-
- ddata->rsc_va = devm_ioremap_wc(dev, rsc_pa, RSC_TBL_SIZE);
- if (IS_ERR_OR_NULL(ddata->rsc_va)) {
- dev_err(dev, "Unable to map memory region: %pa+%zx\n",
- &rsc_pa, RSC_TBL_SIZE);
- ddata->rsc_va = NULL;
- return -ENOMEM;
- }
-
- /*
- * The resource table is already loaded in device memory, no need
- * to work with a cached table.
- */
- rproc->cached_table = NULL;
- /* Assuming the resource table fits in 1kB is fair */
- rproc->table_sz = RSC_TBL_SIZE;
- rproc->table_ptr = (struct resource_table *)ddata->rsc_va;
-
- return 0;
-}
-
static int stm32_rproc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -812,10 +811,6 @@ static int stm32_rproc_probe(struct platform_device *pdev)
ret = stm32_rproc_parse_memory_regions(rproc);
if (ret)
goto free_resources;
-
- ret = stm32_rproc_get_loaded_rsc_table(pdev, rproc, ddata);
- if (ret)
- goto free_resources;
}
rproc->has_iommu = false;
diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 7d7ed4e5c..a8b5d1088 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -387,6 +387,7 @@ static void virtio_rpmsg_release_device(struct device *dev)
struct rpmsg_device *rpdev = to_rpmsg_device(dev);
struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev);
+ kfree(rpdev->driver_override);
kfree(vch);
}
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 54cf5ec8f..8ddd334e0 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1833,7 +1833,8 @@ config RTC_DRV_MT2712
config RTC_DRV_MT6397
tristate "MediaTek PMIC based RTC"
- depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
+ depends on MFD_MT6397 || COMPILE_TEST
+ select IRQ_DOMAIN
help
This selects the MediaTek(R) RTC driver. RTC is part of MediaTek
MT6397 PMIC. You should enable MT6397 PMIC MFD before select
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 7f560937b..2c4ccab6e 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -292,7 +292,7 @@ static int cmos_read_alarm(struct device *dev, struct rtc_wkalrm *t)
/* This not only a rtc_op, but also called directly */
if (!is_valid_irq(cmos->irq))
- return -EIO;
+ return -ETIMEDOUT;
/* Basic alarms only support hour, minute, and seconds fields.
* Some also support day and month, for alarms up to a year in
@@ -557,7 +557,7 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
* Use mc146818_avoid_UIP() to avoid this.
*/
if (!mc146818_avoid_UIP(cmos_set_alarm_callback, &p))
- return -EIO;
+ return -ETIMEDOUT;
cmos->alarm_expires = rtc_tm_to_time64(&t->time);
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index c533d1dad..a5dba3829 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -202,7 +202,8 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
return -EINVAL;
if (cdev->private->state == DEV_STATE_NOT_OPER)
return -ENODEV;
- if (cdev->private->state == DEV_STATE_VERIFY) {
+ if (cdev->private->state == DEV_STATE_VERIFY ||
+ cdev->private->flags.doverify) {
/* Remember to fake irb when finished. */
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_CMD_IRB;
@@ -214,8 +215,7 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
}
if (cdev->private->state != DEV_STATE_ONLINE ||
((sch->schib.scsw.cmd.stctl & SCSW_STCTL_PRIM_STATUS) &&
- !(sch->schib.scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS)) ||
- cdev->private->flags.doverify)
+ !(sch->schib.scsw.cmd.stctl & SCSW_STCTL_SEC_STATUS)))
return -EBUSY;
ret = cio_set_options (sch, flags);
if (ret)
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index b51800971..dde10a5c7 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -576,6 +576,7 @@ static inline struct zcrypt_queue *zcrypt_pick_queue(struct zcrypt_card *zc,
{
if (!zq || !try_module_get(zq->queue->ap_dev.drv->driver.owner))
return NULL;
+ zcrypt_card_get(zc);
zcrypt_queue_get(zq);
get_device(&zq->queue->ap_dev.device);
atomic_add(weight, &zc->load);
@@ -595,6 +596,7 @@ static inline void zcrypt_drop_queue(struct zcrypt_card *zc,
atomic_sub(weight, &zq->load);
put_device(&zq->queue->ap_dev.device);
zcrypt_queue_put(zq);
+ zcrypt_card_put(zc);
module_put(mod);
}
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index d8cdf9024..fee7b09eb 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -257,9 +257,10 @@ static void qeth_l3_clear_ip_htable(struct qeth_card *card, int recover)
if (!recover) {
hash_del(&addr->hnode);
kfree(addr);
- continue;
+ } else {
+ /* prepare for recovery */
+ addr->disp_flag = QETH_DISP_ADDR_ADD;
}
- addr->disp_flag = QETH_DISP_ADDR_ADD;
}
mutex_unlock(&card->ip_lock);
@@ -280,9 +281,11 @@ static void qeth_l3_recover_ip(struct qeth_card *card)
if (addr->disp_flag == QETH_DISP_ADDR_ADD) {
rc = qeth_l3_register_addr_entry(card, addr);
- if (!rc) {
+ if (!rc || rc == -EADDRINUSE || rc == -ENETDOWN) {
+ /* keep it in the records */
addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING;
} else {
+ /* bad address */
hash_del(&addr->hnode);
kfree(addr);
}
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 6524e1fe5..f59c90024 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1289,7 +1289,7 @@ source "drivers/scsi/arm/Kconfig"
config JAZZ_ESP
bool "MIPS JAZZ FAS216 SCSI support"
- depends on MACH_JAZZ && SCSI
+ depends on MACH_JAZZ && SCSI=y
select SCSI_SPI_ATTRS
help
This is the driver for the onboard SCSI host adapter of MIPS Magnum
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h
index 5d054d5c7..f2e587e66 100644
--- a/drivers/scsi/arcmsr/arcmsr.h
+++ b/drivers/scsi/arcmsr/arcmsr.h
@@ -77,9 +77,13 @@ struct device_attribute;
#ifndef PCI_DEVICE_ID_ARECA_1203
#define PCI_DEVICE_ID_ARECA_1203 0x1203
#endif
+#ifndef PCI_DEVICE_ID_ARECA_1883
+#define PCI_DEVICE_ID_ARECA_1883 0x1883
+#endif
#ifndef PCI_DEVICE_ID_ARECA_1884
#define PCI_DEVICE_ID_ARECA_1884 0x1884
#endif
+#define PCI_DEVICE_ID_ARECA_1886_0 0x1886
#define PCI_DEVICE_ID_ARECA_1886 0x188A
#define ARCMSR_HOURS (1000 * 60 * 60 * 4)
#define ARCMSR_MINUTES (1000 * 60 * 60)
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c
index 9294a2c67..199b102f3 100644
--- a/drivers/scsi/arcmsr/arcmsr_hba.c
+++ b/drivers/scsi/arcmsr/arcmsr_hba.c
@@ -208,8 +208,12 @@ static struct pci_device_id arcmsr_device_id_table[] = {
.driver_data = ACB_ADAPTER_TYPE_A},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880),
.driver_data = ACB_ADAPTER_TYPE_C},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1883),
+ .driver_data = ACB_ADAPTER_TYPE_C},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1884),
.driver_data = ACB_ADAPTER_TYPE_E},
+ {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1886_0),
+ .driver_data = ACB_ADAPTER_TYPE_F},
{PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1886),
.driver_data = ACB_ADAPTER_TYPE_F},
{0, 0}, /* Terminating entry */
@@ -4701,9 +4705,11 @@ static const char *arcmsr_info(struct Scsi_Host *host)
case PCI_DEVICE_ID_ARECA_1680:
case PCI_DEVICE_ID_ARECA_1681:
case PCI_DEVICE_ID_ARECA_1880:
+ case PCI_DEVICE_ID_ARECA_1883:
case PCI_DEVICE_ID_ARECA_1884:
type = "SAS/SATA";
break;
+ case PCI_DEVICE_ID_ARECA_1886_0:
case PCI_DEVICE_ID_ARECA_1886:
type = "NVMe/SAS/SATA";
break;
diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h
index 7bd2ba1ad..f30fe324e 100644
--- a/drivers/scsi/bfa/bfa.h
+++ b/drivers/scsi/bfa/bfa.h
@@ -20,7 +20,6 @@
struct bfa_s;
typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
-typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
/*
* Interrupt message handlers
@@ -437,4 +436,12 @@ struct bfa_cb_pending_q_s {
(__qe)->data = (__data); \
} while (0)
+#define bfa_pending_q_init_status(__qe, __cbfn, __cbarg, __data) do { \
+ bfa_q_qe_init(&((__qe)->hcb_qe.qe)); \
+ (__qe)->hcb_qe.cbfn_status = (__cbfn); \
+ (__qe)->hcb_qe.cbarg = (__cbarg); \
+ (__qe)->hcb_qe.pre_rmv = BFA_TRUE; \
+ (__qe)->data = (__data); \
+} while (0)
+
#endif /* __BFA_H__ */
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 6846ca8f7..3438d0b8b 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -1907,15 +1907,13 @@ bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q)
struct list_head *qe;
struct list_head *qen;
struct bfa_cb_qe_s *hcb_qe;
- bfa_cb_cbfn_status_t cbfn;
list_for_each_safe(qe, qen, comp_q) {
hcb_qe = (struct bfa_cb_qe_s *) qe;
if (hcb_qe->pre_rmv) {
/* qe is invalid after return, dequeue before cbfn() */
list_del(qe);
- cbfn = (bfa_cb_cbfn_status_t)(hcb_qe->cbfn);
- cbfn(hcb_qe->cbarg, hcb_qe->fw_status);
+ hcb_qe->cbfn_status(hcb_qe->cbarg, hcb_qe->fw_status);
} else
hcb_qe->cbfn(hcb_qe->cbarg, BFA_TRUE);
}
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 933a1c389..5e568d6d7 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -361,14 +361,18 @@ struct bfa_reqq_wait_s {
void *cbarg;
};
-typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+typedef void (*bfa_cb_cbfn_t) (void *cbarg, bfa_boolean_t complete);
+typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
/*
* Generic BFA callback element.
*/
struct bfa_cb_qe_s {
struct list_head qe;
- bfa_cb_cbfn_t cbfn;
+ union {
+ bfa_cb_cbfn_status_t cbfn_status;
+ bfa_cb_cbfn_t cbfn;
+ };
bfa_boolean_t once;
bfa_boolean_t pre_rmv; /* set for stack based qe(s) */
bfa_status_t fw_status; /* to access fw status in comp proc */
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c
index fc515424c..eb589f9e8 100644
--- a/drivers/scsi/bfa/bfad_bsg.c
+++ b/drivers/scsi/bfa/bfad_bsg.c
@@ -2135,8 +2135,7 @@ bfad_iocmd_fcport_get_stats(struct bfad_s *bfad, void *cmd)
struct bfa_cb_pending_q_s cb_qe;
init_completion(&fcomp.comp);
- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
- &fcomp, &iocmd->stats);
+ bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, &iocmd->stats);
spin_lock_irqsave(&bfad->bfad_lock, flags);
iocmd->status = bfa_fcport_get_stats(&bfad->bfa, &cb_qe);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -2159,7 +2158,7 @@ bfad_iocmd_fcport_reset_stats(struct bfad_s *bfad, void *cmd)
struct bfa_cb_pending_q_s cb_qe;
init_completion(&fcomp.comp);
- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp, &fcomp, NULL);
+ bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, NULL);
spin_lock_irqsave(&bfad->bfad_lock, flags);
iocmd->status = bfa_fcport_clear_stats(&bfad->bfa, &cb_qe);
@@ -2443,8 +2442,7 @@ bfad_iocmd_qos_get_stats(struct bfad_s *bfad, void *cmd)
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
init_completion(&fcomp.comp);
- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
- &fcomp, &iocmd->stats);
+ bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, &iocmd->stats);
spin_lock_irqsave(&bfad->bfad_lock, flags);
WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
@@ -2474,8 +2472,7 @@ bfad_iocmd_qos_reset_stats(struct bfad_s *bfad, void *cmd)
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
init_completion(&fcomp.comp);
- bfa_pending_q_init(&cb_qe, (bfa_cb_cbfn_t)bfad_hcb_comp,
- &fcomp, NULL);
+ bfa_pending_q_init_status(&cb_qe, bfad_hcb_comp, &fcomp, NULL);
spin_lock_irqsave(&bfad->bfad_lock, flags);
WARN_ON(!bfa_ioc_get_fcmode(&bfad->bfa.ioc));
diff --git a/drivers/scsi/csiostor/csio_defs.h b/drivers/scsi/csiostor/csio_defs.h
index c38017b4a..e50e93e7f 100644
--- a/drivers/scsi/csiostor/csio_defs.h
+++ b/drivers/scsi/csiostor/csio_defs.h
@@ -73,7 +73,21 @@ csio_list_deleted(struct list_head *list)
#define csio_list_prev(elem) (((struct list_head *)(elem))->prev)
/* State machine */
-typedef void (*csio_sm_state_t)(void *, uint32_t);
+struct csio_lnode;
+
+/* State machine evets */
+enum csio_ln_ev {
+ CSIO_LNE_NONE = (uint32_t)0,
+ CSIO_LNE_LINKUP,
+ CSIO_LNE_FAB_INIT_DONE,
+ CSIO_LNE_LINK_DOWN,
+ CSIO_LNE_DOWN_LINK,
+ CSIO_LNE_LOGO,
+ CSIO_LNE_CLOSE,
+ CSIO_LNE_MAX_EVENT,
+};
+
+typedef void (*csio_sm_state_t)(struct csio_lnode *ln, enum csio_ln_ev evt);
struct csio_sm {
struct list_head sm_list;
@@ -83,7 +97,7 @@ struct csio_sm {
static inline void
csio_set_state(void *smp, void *state)
{
- ((struct csio_sm *)smp)->sm_state = (csio_sm_state_t)state;
+ ((struct csio_sm *)smp)->sm_state = state;
}
static inline void
diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c
index d5ac93897..5b3ffefae 100644
--- a/drivers/scsi/csiostor/csio_lnode.c
+++ b/drivers/scsi/csiostor/csio_lnode.c
@@ -1095,7 +1095,7 @@ csio_handle_link_down(struct csio_hw *hw, uint8_t portid, uint32_t fcfi,
int
csio_is_lnode_ready(struct csio_lnode *ln)
{
- return (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready));
+ return (csio_get_state(ln) == csio_lns_ready);
}
/*****************************************************************************/
@@ -1366,15 +1366,15 @@ csio_free_fcfinfo(struct kref *kref)
void
csio_lnode_state_to_str(struct csio_lnode *ln, int8_t *str)
{
- if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_uninit)) {
+ if (csio_get_state(ln) == csio_lns_uninit) {
strcpy(str, "UNINIT");
return;
}
- if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_ready)) {
+ if (csio_get_state(ln) == csio_lns_ready) {
strcpy(str, "READY");
return;
}
- if (csio_get_state(ln) == ((csio_sm_state_t)csio_lns_offline)) {
+ if (csio_get_state(ln) == csio_lns_offline) {
strcpy(str, "OFFLINE");
return;
}
diff --git a/drivers/scsi/csiostor/csio_lnode.h b/drivers/scsi/csiostor/csio_lnode.h
index 372a67d12..607698a0f 100644
--- a/drivers/scsi/csiostor/csio_lnode.h
+++ b/drivers/scsi/csiostor/csio_lnode.h
@@ -53,19 +53,6 @@
extern int csio_fcoe_rnodes;
extern int csio_fdmi_enable;
-/* State machine evets */
-enum csio_ln_ev {
- CSIO_LNE_NONE = (uint32_t)0,
- CSIO_LNE_LINKUP,
- CSIO_LNE_FAB_INIT_DONE,
- CSIO_LNE_LINK_DOWN,
- CSIO_LNE_DOWN_LINK,
- CSIO_LNE_LOGO,
- CSIO_LNE_CLOSE,
- CSIO_LNE_MAX_EVENT,
-};
-
-
struct csio_fcf_info {
struct list_head list;
uint8_t priority;
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index bf0b3178f..4371d8b00 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -405,8 +405,8 @@ static char print_alua_state(unsigned char state)
}
}
-static int alua_check_sense(struct scsi_device *sdev,
- struct scsi_sense_hdr *sense_hdr)
+static enum scsi_disposition alua_check_sense(struct scsi_device *sdev,
+ struct scsi_sense_hdr *sense_hdr)
{
switch (sense_hdr->sense_key) {
case NOT_READY:
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index caa685cfe..bd28ec6cf 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -280,8 +280,8 @@ static int send_trespass_cmd(struct scsi_device *sdev,
return res;
}
-static int clariion_check_sense(struct scsi_device *sdev,
- struct scsi_sense_hdr *sense_hdr)
+static enum scsi_disposition clariion_check_sense(struct scsi_device *sdev,
+ struct scsi_sense_hdr *sense_hdr)
{
switch (sense_hdr->sense_key) {
case NOT_READY:
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 85a71bafa..66652ab40 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -656,8 +656,8 @@ static blk_status_t rdac_prep_fn(struct scsi_device *sdev, struct request *req)
return BLK_STS_OK;
}
-static int rdac_check_sense(struct scsi_device *sdev,
- struct scsi_sense_hdr *sense_hdr)
+static enum scsi_disposition rdac_check_sense(struct scsi_device *sdev,
+ struct scsi_sense_hdr *sense_hdr)
{
struct rdac_dh_data *h = sdev->handler_data;
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index a2d60ad2a..bbc5d6b9b 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -319,17 +319,16 @@ static void fcoe_ctlr_announce(struct fcoe_ctlr *fip)
{
struct fcoe_fcf *sel;
struct fcoe_fcf *fcf;
- unsigned long flags;
mutex_lock(&fip->ctlr_mutex);
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
kfree_skb(fip->flogi_req);
fip->flogi_req = NULL;
list_for_each_entry(fcf, &fip->fcfs, list)
fcf->flogi_sent = 0;
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
sel = fip->sel_fcf;
if (sel && ether_addr_equal(sel->fcf_mac, fip->dest_addr))
@@ -700,7 +699,6 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
{
struct fc_frame *fp;
struct fc_frame_header *fh;
- unsigned long flags;
u16 old_xid;
u8 op;
u8 mac[ETH_ALEN];
@@ -734,11 +732,11 @@ int fcoe_ctlr_els_send(struct fcoe_ctlr *fip, struct fc_lport *lport,
op = FIP_DT_FLOGI;
if (fip->mode == FIP_MODE_VN2VN)
break;
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
kfree_skb(fip->flogi_req);
fip->flogi_req = skb;
fip->flogi_req_send = 1;
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
schedule_work(&fip->timer_work);
return -EINPROGRESS;
case ELS_FDISC:
@@ -1715,11 +1713,10 @@ static int fcoe_ctlr_flogi_send_locked(struct fcoe_ctlr *fip)
static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip)
{
struct fcoe_fcf *fcf;
- unsigned long flags;
int error;
mutex_lock(&fip->ctlr_mutex);
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
LIBFCOE_FIP_DBG(fip, "re-sending FLOGI - reselect\n");
fcf = fcoe_ctlr_select(fip);
if (!fcf || fcf->flogi_sent) {
@@ -1730,7 +1727,7 @@ static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip)
fcoe_ctlr_solicit(fip, NULL);
error = fcoe_ctlr_flogi_send_locked(fip);
}
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
mutex_unlock(&fip->ctlr_mutex);
return error;
}
@@ -1747,9 +1744,8 @@ static int fcoe_ctlr_flogi_retry(struct fcoe_ctlr *fip)
static void fcoe_ctlr_flogi_send(struct fcoe_ctlr *fip)
{
struct fcoe_fcf *fcf;
- unsigned long flags;
- spin_lock_irqsave(&fip->ctlr_lock, flags);
+ spin_lock_bh(&fip->ctlr_lock);
fcf = fip->sel_fcf;
if (!fcf || !fip->flogi_req_send)
goto unlock;
@@ -1776,7 +1772,7 @@ static void fcoe_ctlr_flogi_send(struct fcoe_ctlr *fip)
} else /* XXX */
LIBFCOE_FIP_DBG(fip, "No FCF selected - defer send\n");
unlock:
- spin_unlock_irqrestore(&fip->ctlr_lock, flags);
+ spin_unlock_bh(&fip->ctlr_lock);
}
/**
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 59eb6c296..297f2b412 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -334,12 +334,13 @@ static void scsi_host_dev_release(struct device *dev)
if (shost->shost_state == SHOST_CREATED) {
/*
- * Free the shost_dev device name here if scsi_host_alloc()
- * and scsi_host_put() have been called but neither
+ * Free the shost_dev device name and remove the proc host dir
+ * here if scsi_host_{alloc,put}() have been called but neither
* scsi_host_add() nor scsi_host_remove() has been called.
* This avoids that the memory allocated for the shost_dev
- * name is leaked.
+ * name as well as the proc dir structure are leaked.
*/
+ scsi_proc_hostdir_rm(shost->hostt);
kfree(dev_name(&shost->shost_dev));
}
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index b6d68d871..a4129e456 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -3398,7 +3398,7 @@ static enum sci_status isci_io_request_build(struct isci_host *ihost,
return SCI_FAILURE;
}
- return SCI_SUCCESS;
+ return status;
}
static struct isci_request *isci_request_from_tag(struct isci_host *ihost, u16 tag)
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 7cfeb6886..61c12dde9 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -270,6 +270,11 @@ static int fc_fcp_send_abort(struct fc_fcp_pkt *fsp)
if (!fsp->seq_ptr)
return -EINVAL;
+ if (fsp->state & FC_SRB_ABORT_PENDING) {
+ FC_FCP_DBG(fsp, "abort already pending\n");
+ return -EBUSY;
+ }
+
per_cpu_ptr(fsp->lp->stats, get_cpu())->FcpPktAborts++;
put_cpu();
@@ -1681,7 +1686,7 @@ static void fc_fcp_rec_error(struct fc_fcp_pkt *fsp, struct fc_frame *fp)
if (fsp->recov_retry++ < FC_MAX_RECOV_RETRY)
fc_fcp_rec(fsp);
else
- fc_fcp_recovery(fsp, FC_ERROR);
+ fc_fcp_recovery(fsp, FC_TIMED_OUT);
break;
}
fc_fcp_unlock_pkt(fsp);
@@ -1700,11 +1705,12 @@ static void fc_fcp_recovery(struct fc_fcp_pkt *fsp, u8 code)
fsp->status_code = code;
fsp->cdb_status = 0;
fsp->io_status = 0;
- /*
- * if this fails then we let the scsi command timer fire and
- * scsi-ml escalate.
- */
- fc_fcp_send_abort(fsp);
+ if (!fsp->cmd)
+ /*
+ * Only abort non-scsi commands; otherwise let the
+ * scsi command timer fire and scsi-ml escalate.
+ */
+ fc_fcp_send_abort(fsp);
}
/**
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 03bc472f3..cf69f831a 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -32,6 +32,7 @@
struct lpfc_sli2_slim;
#define ELX_MODEL_NAME_SIZE 80
+#define ELX_FW_NAME_SIZE 84
#define LPFC_PCI_DEV_LP 0x1
#define LPFC_PCI_DEV_OC 0x2
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 1bb3c96a0..5f2009327 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -13026,7 +13026,7 @@ out:
int
lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
{
- uint8_t file_name[ELX_MODEL_NAME_SIZE];
+ char file_name[ELX_FW_NAME_SIZE] = {0};
int ret;
const struct firmware *fw;
@@ -13035,7 +13035,7 @@ lpfc_sli4_request_firmware_update(struct lpfc_hba *phba, uint8_t fw_upgrade)
LPFC_SLI_INTF_IF_TYPE_2)
return -EPERM;
- snprintf(file_name, ELX_MODEL_NAME_SIZE, "%s.grp", phba->ModelName);
+ scnprintf(file_name, sizeof(file_name), "%s.grp", phba->ModelName);
if (fw_upgrade == INT_FW_UPGRADE) {
ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 1e22364a3..d6287c58d 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -784,8 +784,10 @@ lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Save the ELS cmd */
elsiocb->drvrTimeout = cmd;
- lpfc_sli4_resume_rpi(ndlp,
- lpfc_mbx_cmpl_resume_rpi, elsiocb);
+ if (lpfc_sli4_resume_rpi(ndlp,
+ lpfc_mbx_cmpl_resume_rpi,
+ elsiocb))
+ kfree(elsiocb);
goto out;
}
}
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index deab8931a..59dc37925 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -1579,7 +1579,7 @@ lpfc_nvmet_setup_io_context(struct lpfc_hba *phba)
wqe = &nvmewqe->wqe;
/* Initialize WQE */
- memset(wqe, 0, sizeof(union lpfc_wqe));
+ memset(wqe, 0, sizeof(*wqe));
ctx_buf->iocbq->context1 = NULL;
spin_lock(&phba->sli4_hba.sgl_list_lock);
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 983eeb0e3..b4b87e5d8 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1944,7 +1944,7 @@ out:
*
* Returns the number of SGEs added to the SGL.
**/
-static int
+static uint32_t
lpfc_bg_setup_sgl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
struct sli4_sge *sgl, int datasegcnt,
struct lpfc_io_buf *lpfc_cmd)
@@ -1952,8 +1952,8 @@ lpfc_bg_setup_sgl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
struct scatterlist *sgde = NULL; /* s/g data entry */
struct sli4_sge_diseed *diseed = NULL;
dma_addr_t physaddr;
- int i = 0, num_sge = 0, status;
- uint32_t reftag;
+ int i = 0, status;
+ uint32_t reftag, num_sge = 0;
uint8_t txop, rxop;
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
uint32_t rc;
@@ -2124,7 +2124,7 @@ out:
*
* Returns the number of SGEs added to the SGL.
**/
-static int
+static uint32_t
lpfc_bg_setup_sgl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
struct sli4_sge *sgl, int datacnt, int protcnt,
struct lpfc_io_buf *lpfc_cmd)
@@ -2148,8 +2148,8 @@ lpfc_bg_setup_sgl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
uint32_t rc;
#endif
uint32_t checking = 1;
- uint32_t dma_offset = 0;
- int num_sge = 0, j = 2;
+ uint32_t dma_offset = 0, num_sge = 0;
+ int j = 2;
struct sli4_hybrid_sgl *sgl_xtra = NULL;
sgpe = scsi_prot_sglist(sc);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 814ac2523..105d781d0 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -6357,7 +6357,9 @@ _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout)
return -EFAULT;
}
- issue_diag_reset:
+ return 0;
+
+issue_diag_reset:
rc = _base_diag_reset(ioc);
return rc;
}
diff --git a/drivers/scsi/myrb.c b/drivers/scsi/myrb.c
index ad17c2bea..d4c3f00fa 100644
--- a/drivers/scsi/myrb.c
+++ b/drivers/scsi/myrb.c
@@ -1803,9 +1803,9 @@ static ssize_t raid_state_show(struct device *dev,
name = myrb_devstate_name(ldev_info->state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->state);
} else {
struct myrb_pdev_state *pdev_info = sdev->hostdata;
@@ -1824,9 +1824,9 @@ static ssize_t raid_state_show(struct device *dev,
else
name = myrb_devstate_name(pdev_info->state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
pdev_info->state);
}
return ret;
@@ -1914,11 +1914,11 @@ static ssize_t raid_level_show(struct device *dev,
name = myrb_raidlevel_name(ldev_info->raid_level);
if (!name)
- return snprintf(buf, 32, "Invalid (%02X)\n",
+ return snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->state);
- return snprintf(buf, 32, "%s\n", name);
+ return snprintf(buf, 64, "%s\n", name);
}
- return snprintf(buf, 32, "Physical Drive\n");
+ return snprintf(buf, 64, "Physical Drive\n");
}
static DEVICE_ATTR_RO(raid_level);
@@ -1931,15 +1931,15 @@ static ssize_t rebuild_show(struct device *dev,
unsigned char status;
if (sdev->channel < myrb_logical_channel(sdev->host))
- return snprintf(buf, 32, "physical device - not rebuilding\n");
+ return snprintf(buf, 64, "physical device - not rebuilding\n");
status = myrb_get_rbld_progress(cb, &rbld_buf);
if (rbld_buf.ldev_num != sdev->id ||
status != MYRB_STATUS_SUCCESS)
- return snprintf(buf, 32, "not rebuilding\n");
+ return snprintf(buf, 64, "not rebuilding\n");
- return snprintf(buf, 32, "rebuilding block %u of %u\n",
+ return snprintf(buf, 64, "rebuilding block %u of %u\n",
rbld_buf.ldev_size - rbld_buf.blocks_left,
rbld_buf.ldev_size);
}
diff --git a/drivers/scsi/myrs.c b/drivers/scsi/myrs.c
index e6a667896..857a73e85 100644
--- a/drivers/scsi/myrs.c
+++ b/drivers/scsi/myrs.c
@@ -950,9 +950,9 @@ static ssize_t raid_state_show(struct device *dev,
name = myrs_devstate_name(ldev_info->dev_state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->dev_state);
} else {
struct myrs_pdev_info *pdev_info;
@@ -961,9 +961,9 @@ static ssize_t raid_state_show(struct device *dev,
pdev_info = sdev->hostdata;
name = myrs_devstate_name(pdev_info->dev_state);
if (name)
- ret = snprintf(buf, 32, "%s\n", name);
+ ret = snprintf(buf, 64, "%s\n", name);
else
- ret = snprintf(buf, 32, "Invalid (%02X)\n",
+ ret = snprintf(buf, 64, "Invalid (%02X)\n",
pdev_info->dev_state);
}
return ret;
@@ -1069,13 +1069,13 @@ static ssize_t raid_level_show(struct device *dev,
ldev_info = sdev->hostdata;
name = myrs_raid_level_name(ldev_info->raid_level);
if (!name)
- return snprintf(buf, 32, "Invalid (%02X)\n",
+ return snprintf(buf, 64, "Invalid (%02X)\n",
ldev_info->dev_state);
} else
name = myrs_raid_level_name(MYRS_RAID_PHYSICAL);
- return snprintf(buf, 32, "%s\n", name);
+ return snprintf(buf, 64, "%s\n", name);
}
static DEVICE_ATTR_RO(raid_level);
@@ -1089,7 +1089,7 @@ static ssize_t rebuild_show(struct device *dev,
unsigned char status;
if (sdev->channel < cs->ctlr_info->physchan_present)
- return snprintf(buf, 32, "physical device - not rebuilding\n");
+ return snprintf(buf, 64, "physical device - not rebuilding\n");
ldev_info = sdev->hostdata;
ldev_num = ldev_info->ldev_num;
@@ -1101,11 +1101,11 @@ static ssize_t rebuild_show(struct device *dev,
return -EIO;
}
if (ldev_info->rbld_active) {
- return snprintf(buf, 32, "rebuilding block %zu of %zu\n",
+ return snprintf(buf, 64, "rebuilding block %zu of %zu\n",
(size_t)ldev_info->rbld_lba,
(size_t)ldev_info->cfg_devsize);
} else
- return snprintf(buf, 32, "not rebuilding\n");
+ return snprintf(buf, 64, "not rebuilding\n");
}
static ssize_t rebuild_store(struct device *dev,
@@ -1194,7 +1194,7 @@ static ssize_t consistency_check_show(struct device *dev,
unsigned char status;
if (sdev->channel < cs->ctlr_info->physchan_present)
- return snprintf(buf, 32, "physical device - not checking\n");
+ return snprintf(buf, 64, "physical device - not checking\n");
ldev_info = sdev->hostdata;
if (!ldev_info)
@@ -1202,11 +1202,11 @@ static ssize_t consistency_check_show(struct device *dev,
ldev_num = ldev_info->ldev_num;
status = myrs_get_ldev_info(cs, ldev_num, ldev_info);
if (ldev_info->cc_active)
- return snprintf(buf, 32, "checking block %zu of %zu\n",
+ return snprintf(buf, 64, "checking block %zu of %zu\n",
(size_t)ldev_info->cc_lba,
(size_t)ldev_info->cfg_devsize);
else
- return snprintf(buf, 32, "not checking\n");
+ return snprintf(buf, 64, "not checking\n");
}
static ssize_t consistency_check_store(struct device *dev,
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index f919da0bb..e23a93374 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -2689,7 +2689,13 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
return;
if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
- qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+ /* Will wait for wind down of adapter */
+ ql_dbg(ql_dbg_aer, fcport->vha, 0x900c,
+ "%s pci offline detected (id %06x)\n", __func__,
+ fcport->d_id.b24);
+ qla_pci_set_eeh_busy(fcport->vha);
+ qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
+ 0, WAIT_TARGET);
return;
}
}
@@ -2711,7 +2717,11 @@ qla2x00_terminate_rport_io(struct fc_rport *rport)
vha = fcport->vha;
if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
- qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
+ /* Will wait for wind down of adapter */
+ ql_dbg(ql_dbg_aer, fcport->vha, 0x900b,
+ "%s pci offline detected (id %06x)\n", __func__,
+ fcport->d_id.b24);
+ qla_pci_set_eeh_busy(vha);
qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
0, WAIT_TARGET);
return;
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 6645b69fc..b8628bceb 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -56,7 +56,7 @@ typedef struct {
#include "qla_nvme.h"
#define QLA2XXX_DRIVER_NAME "qla2xxx"
#define QLA2XXX_APIDEV "ql2xapidev"
-#define QLA2XXX_MANUFACTURER "QLogic Corporation"
+#define QLA2XXX_MANUFACTURER "Marvell"
/*
* We have MAILBOX_REGISTER_COUNT sized arrays in a few places,
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 20bbd69e3..d9ac17dba 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -1614,7 +1614,7 @@ qla2x00_hba_attributes(scsi_qla_host_t *vha, void *entries,
eiter->type = cpu_to_be16(FDMI_HBA_MANUFACTURER);
alen = scnprintf(
eiter->a.manufacturer, sizeof(eiter->a.manufacturer),
- "%s", "QLogic Corporation");
+ "%s", QLA2XXX_MANUFACTURER);
alen += FDMI_ATTR_ALIGNMENT(alen);
alen += FDMI_ATTR_TYPELEN(eiter);
eiter->len = cpu_to_be16(alen);
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index a8d2c0628..3d56f971c 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -2280,6 +2280,40 @@ exit:
return rval;
}
+static void qla_enable_fce_trace(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->fce) {
+ ha->flags.fce_enabled = 1;
+ memset(ha->fce, 0, fce_calc_size(ha->fce_bufs));
+ rval = qla2x00_enable_fce_trace(vha,
+ ha->fce_dma, ha->fce_bufs, ha->fce_mb, &ha->fce_bufs);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x8033,
+ "Unable to reinitialize FCE (%d).\n", rval);
+ ha->flags.fce_enabled = 0;
+ }
+ }
+}
+
+static void qla_enable_eft_trace(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->eft) {
+ memset(ha->eft, 0, EFT_SIZE);
+ rval = qla2x00_enable_eft_trace(vha, ha->eft_dma, EFT_NUM_BUFFERS);
+
+ if (rval) {
+ ql_log(ql_log_warn, vha, 0x8034,
+ "Unable to reinitialize EFT (%d).\n", rval);
+ }
+ }
+}
/*
* qla2x00_initialize_adapter
* Initialize board.
@@ -3230,9 +3264,8 @@ qla24xx_chip_diag(scsi_qla_host_t *vha)
}
static void
-qla2x00_init_fce_trace(scsi_qla_host_t *vha)
+qla2x00_alloc_fce_trace(scsi_qla_host_t *vha)
{
- int rval;
dma_addr_t tc_dma;
void *tc;
struct qla_hw_data *ha = vha->hw;
@@ -3261,27 +3294,17 @@ qla2x00_init_fce_trace(scsi_qla_host_t *vha)
return;
}
- rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
- ha->fce_mb, &ha->fce_bufs);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x00bf,
- "Unable to initialize FCE (%d).\n", rval);
- dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc, tc_dma);
- return;
- }
-
ql_dbg(ql_dbg_init, vha, 0x00c0,
"Allocated (%d KB) for FCE...\n", FCE_SIZE / 1024);
- ha->flags.fce_enabled = 1;
ha->fce_dma = tc_dma;
ha->fce = tc;
+ ha->fce_bufs = FCE_NUM_BUFFERS;
}
static void
-qla2x00_init_eft_trace(scsi_qla_host_t *vha)
+qla2x00_alloc_eft_trace(scsi_qla_host_t *vha)
{
- int rval;
dma_addr_t tc_dma;
void *tc;
struct qla_hw_data *ha = vha->hw;
@@ -3306,14 +3329,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha)
return;
}
- rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x00c2,
- "Unable to initialize EFT (%d).\n", rval);
- dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc, tc_dma);
- return;
- }
-
ql_dbg(ql_dbg_init, vha, 0x00c3,
"Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
@@ -3321,13 +3336,6 @@ qla2x00_init_eft_trace(scsi_qla_host_t *vha)
ha->eft = tc;
}
-static void
-qla2x00_alloc_offload_mem(scsi_qla_host_t *vha)
-{
- qla2x00_init_fce_trace(vha);
- qla2x00_init_eft_trace(vha);
-}
-
void
qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
{
@@ -3382,10 +3390,10 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
if (ha->tgt.atio_ring)
mq_size += ha->tgt.atio_q_length * sizeof(request_t);
- qla2x00_init_fce_trace(vha);
+ qla2x00_alloc_fce_trace(vha);
if (ha->fce)
fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
- qla2x00_init_eft_trace(vha);
+ qla2x00_alloc_eft_trace(vha);
if (ha->eft)
eft_size = EFT_SIZE;
}
@@ -3784,7 +3792,6 @@ qla2x00_setup_chip(scsi_qla_host_t *vha)
struct qla_hw_data *ha = vha->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
unsigned long flags;
- uint16_t fw_major_version;
int done_once = 0;
if (IS_P3P_TYPE(ha)) {
@@ -3851,7 +3858,6 @@ execute_fw_with_lr:
goto failed;
enable_82xx_npiv:
- fw_major_version = ha->fw_major_version;
if (IS_P3P_TYPE(ha))
qla82xx_check_md_needed(vha);
else
@@ -3880,12 +3886,11 @@ enable_82xx_npiv:
if (rval != QLA_SUCCESS)
goto failed;
- if (!fw_major_version && !(IS_P3P_TYPE(ha)))
- qla2x00_alloc_offload_mem(vha);
-
if (ql2xallocfwdump && !(IS_P3P_TYPE(ha)))
qla2x00_alloc_fw_dump(vha);
+ qla_enable_fce_trace(vha);
+ qla_enable_eft_trace(vha);
} else {
goto failed;
}
@@ -7012,7 +7017,6 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
int
qla2x00_abort_isp(scsi_qla_host_t *vha)
{
- int rval;
uint8_t status = 0;
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *vp;
@@ -7100,31 +7104,7 @@ qla2x00_abort_isp(scsi_qla_host_t *vha)
if (IS_QLA81XX(ha) || IS_QLA8031(ha))
qla2x00_get_fw_version(vha);
- if (ha->fce) {
- ha->flags.fce_enabled = 1;
- memset(ha->fce, 0,
- fce_calc_size(ha->fce_bufs));
- rval = qla2x00_enable_fce_trace(vha,
- ha->fce_dma, ha->fce_bufs, ha->fce_mb,
- &ha->fce_bufs);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x8033,
- "Unable to reinitialize FCE "
- "(%d).\n", rval);
- ha->flags.fce_enabled = 0;
- }
- }
- if (ha->eft) {
- memset(ha->eft, 0, EFT_SIZE);
- rval = qla2x00_enable_eft_trace(vha,
- ha->eft_dma, EFT_NUM_BUFFERS);
- if (rval) {
- ql_log(ql_log_warn, vha, 0x8034,
- "Unable to reinitialize EFT "
- "(%d).\n", rval);
- }
- }
} else { /* failed the ISP abort */
vha->flags.online = 1;
if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index fdb424501..d2433f162 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1038,6 +1038,16 @@ void qlt_free_session_done(struct work_struct *work)
"%s: sess %p logout completed\n", __func__, sess);
}
+ /* check for any straggling io left behind */
+ if (!(sess->flags & FCF_FCP2_DEVICE) &&
+ qla2x00_eh_wait_for_pending_commands(sess->vha, sess->d_id.b24, 0, WAIT_TARGET)) {
+ ql_log(ql_log_warn, vha, 0x3027,
+ "IO not return. Resetting.\n");
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_chip_reset(vha);
+ }
+
if (sess->logo_ack_needed) {
sess->logo_ack_needed = 0;
qla24xx_async_notify_ack(vha, sess,
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 3d3d13912..ffc6f3031 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -60,14 +60,14 @@ static void scsi_eh_done(struct scsi_cmnd *scmd);
#define HOST_RESET_SETTLE_TIME (10)
static int scsi_eh_try_stu(struct scsi_cmnd *scmd);
-static int scsi_try_to_abort_cmd(struct scsi_host_template *,
- struct scsi_cmnd *);
+static enum scsi_disposition scsi_try_to_abort_cmd(struct scsi_host_template *,
+ struct scsi_cmnd *);
-void scsi_eh_wakeup(struct Scsi_Host *shost)
+void scsi_eh_wakeup(struct Scsi_Host *shost, unsigned int busy)
{
lockdep_assert_held(shost->host_lock);
- if (scsi_host_busy(shost) == shost->host_failed) {
+ if (busy == shost->host_failed) {
trace_scsi_eh_wakeup(shost);
wake_up_process(shost->ehandler);
SCSI_LOG_ERROR_RECOVERY(5, shost_printk(KERN_INFO, shost,
@@ -90,7 +90,7 @@ void scsi_schedule_eh(struct Scsi_Host *shost)
if (scsi_host_set_state(shost, SHOST_RECOVERY) == 0 ||
scsi_host_set_state(shost, SHOST_CANCEL_RECOVERY) == 0) {
shost->host_eh_scheduled++;
- scsi_eh_wakeup(shost);
+ scsi_eh_wakeup(shost, scsi_host_busy(shost));
}
spin_unlock_irqrestore(shost->host_lock, flags);
@@ -140,7 +140,7 @@ scmd_eh_abort_handler(struct work_struct *work)
struct scsi_cmnd *scmd =
container_of(work, struct scsi_cmnd, abort_work.work);
struct scsi_device *sdev = scmd->device;
- int rtn;
+ enum scsi_disposition rtn;
if (scsi_host_eh_past_deadline(sdev->host)) {
SCSI_LOG_ERROR_RECOVERY(3,
@@ -241,11 +241,12 @@ static void scsi_eh_inc_host_failed(struct rcu_head *head)
{
struct scsi_cmnd *scmd = container_of(head, typeof(*scmd), rcu);
struct Scsi_Host *shost = scmd->device->host;
+ unsigned int busy = scsi_host_busy(shost);
unsigned long flags;
spin_lock_irqsave(shost->host_lock, flags);
shost->host_failed++;
- scsi_eh_wakeup(shost);
+ scsi_eh_wakeup(shost, busy);
spin_unlock_irqrestore(shost->host_lock, flags);
}
@@ -478,7 +479,7 @@ static void scsi_report_sense(struct scsi_device *sdev,
* When a deferred error is detected the current command has
* not been executed and needs retrying.
*/
-int scsi_check_sense(struct scsi_cmnd *scmd)
+enum scsi_disposition scsi_check_sense(struct scsi_cmnd *scmd)
{
struct scsi_device *sdev = scmd->device;
struct scsi_sense_hdr sshdr;
@@ -492,7 +493,7 @@ int scsi_check_sense(struct scsi_cmnd *scmd)
return NEEDS_RETRY;
if (sdev->handler && sdev->handler->check_sense) {
- int rc;
+ enum scsi_disposition rc;
rc = sdev->handler->check_sense(sdev, &sshdr);
if (rc != SCSI_RETURN_NOT_HANDLED)
@@ -703,7 +704,7 @@ static void scsi_handle_queue_full(struct scsi_device *sdev)
* don't allow for the possibility of retries here, and we are a lot
* more restrictive about what we consider acceptable.
*/
-static int scsi_eh_completed_normally(struct scsi_cmnd *scmd)
+static enum scsi_disposition scsi_eh_completed_normally(struct scsi_cmnd *scmd)
{
/*
* first check the host byte, to see if there is anything in there
@@ -784,10 +785,10 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
* scsi_try_host_reset - ask host adapter to reset itself
* @scmd: SCSI cmd to send host reset.
*/
-static int scsi_try_host_reset(struct scsi_cmnd *scmd)
+static enum scsi_disposition scsi_try_host_reset(struct scsi_cmnd *scmd)
{
unsigned long flags;
- int rtn;
+ enum scsi_disposition rtn;
struct Scsi_Host *host = scmd->device->host;
struct scsi_host_template *hostt = host->hostt;
@@ -814,10 +815,10 @@ static int scsi_try_host_reset(struct scsi_cmnd *scmd)
* scsi_try_bus_reset - ask host to perform a bus reset
* @scmd: SCSI cmd to send bus reset.
*/
-static int scsi_try_bus_reset(struct scsi_cmnd *scmd)
+static enum scsi_disposition scsi_try_bus_reset(struct scsi_cmnd *scmd)
{
unsigned long flags;
- int rtn;
+ enum scsi_disposition rtn;
struct Scsi_Host *host = scmd->device->host;
struct scsi_host_template *hostt = host->hostt;
@@ -856,10 +857,10 @@ static void __scsi_report_device_reset(struct scsi_device *sdev, void *data)
* timer on it, and set the host back to a consistent state prior to
* returning.
*/
-static int scsi_try_target_reset(struct scsi_cmnd *scmd)
+static enum scsi_disposition scsi_try_target_reset(struct scsi_cmnd *scmd)
{
unsigned long flags;
- int rtn;
+ enum scsi_disposition rtn;
struct Scsi_Host *host = scmd->device->host;
struct scsi_host_template *hostt = host->hostt;
@@ -887,9 +888,9 @@ static int scsi_try_target_reset(struct scsi_cmnd *scmd)
* timer on it, and set the host back to a consistent state prior to
* returning.
*/
-static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
+static enum scsi_disposition scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
{
- int rtn;
+ enum scsi_disposition rtn;
struct scsi_host_template *hostt = scmd->device->host->hostt;
if (!hostt->eh_device_reset_handler)
@@ -918,8 +919,8 @@ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
* if the device is temporarily unavailable (eg due to a
* link down on FibreChannel)
*/
-static int scsi_try_to_abort_cmd(struct scsi_host_template *hostt,
- struct scsi_cmnd *scmd)
+static enum scsi_disposition
+scsi_try_to_abort_cmd(struct scsi_host_template *hostt, struct scsi_cmnd *scmd)
{
if (!hostt->eh_abort_handler)
return FAILED;
@@ -1052,8 +1053,8 @@ EXPORT_SYMBOL(scsi_eh_restore_cmnd);
* Return value:
* SUCCESS or FAILED or NEEDS_RETRY
*/
-static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
- int cmnd_size, int timeout, unsigned sense_bytes)
+static enum scsi_disposition scsi_send_eh_cmnd(struct scsi_cmnd *scmd,
+ unsigned char *cmnd, int cmnd_size, int timeout, unsigned sense_bytes)
{
struct scsi_device *sdev = scmd->device;
struct Scsi_Host *shost = sdev->host;
@@ -1161,12 +1162,13 @@ retry:
* that we obtain it on our own. This function will *not* return until
* the command either times out, or it completes.
*/
-static int scsi_request_sense(struct scsi_cmnd *scmd)
+static enum scsi_disposition scsi_request_sense(struct scsi_cmnd *scmd)
{
return scsi_send_eh_cmnd(scmd, NULL, 0, scmd->device->eh_timeout, ~0);
}
-static int scsi_eh_action(struct scsi_cmnd *scmd, int rtn)
+static enum scsi_disposition
+scsi_eh_action(struct scsi_cmnd *scmd, enum scsi_disposition rtn)
{
if (!blk_rq_is_passthrough(scmd->request)) {
struct scsi_driver *sdrv = scsi_cmd_to_driver(scmd);
@@ -1219,7 +1221,7 @@ int scsi_eh_get_sense(struct list_head *work_q,
{
struct scsi_cmnd *scmd, *next;
struct Scsi_Host *shost;
- int rtn;
+ enum scsi_disposition rtn;
/*
* If SCSI_EH_ABORT_SCHEDULED has been set, it is timeout IO,
@@ -1297,7 +1299,8 @@ EXPORT_SYMBOL_GPL(scsi_eh_get_sense);
static int scsi_eh_tur(struct scsi_cmnd *scmd)
{
static unsigned char tur_command[6] = {TEST_UNIT_READY, 0, 0, 0, 0, 0};
- int retry_cnt = 1, rtn;
+ int retry_cnt = 1;
+ enum scsi_disposition rtn;
retry_tur:
rtn = scsi_send_eh_cmnd(scmd, tur_command, 6,
@@ -1385,7 +1388,8 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd)
static unsigned char stu_command[6] = {START_STOP, 0, 0, 0, 1, 0};
if (scmd->device->allow_restart) {
- int i, rtn = NEEDS_RETRY;
+ int i;
+ enum scsi_disposition rtn = NEEDS_RETRY;
for (i = 0; rtn == NEEDS_RETRY && i < 2; i++)
rtn = scsi_send_eh_cmnd(scmd, stu_command, 6, scmd->device->request_queue->rq_timeout, 0);
@@ -1479,7 +1483,7 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
{
struct scsi_cmnd *scmd, *bdr_scmd, *next;
struct scsi_device *sdev;
- int rtn;
+ enum scsi_disposition rtn;
shost_for_each_device(sdev, shost) {
if (scsi_host_eh_past_deadline(shost)) {
@@ -1546,7 +1550,7 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost,
while (!list_empty(&tmp_list)) {
struct scsi_cmnd *next, *scmd;
- int rtn;
+ enum scsi_disposition rtn;
unsigned int id;
if (scsi_host_eh_past_deadline(shost)) {
@@ -1604,7 +1608,7 @@ static int scsi_eh_bus_reset(struct Scsi_Host *shost,
struct scsi_cmnd *scmd, *chan_scmd, *next;
LIST_HEAD(check_list);
unsigned int channel;
- int rtn;
+ enum scsi_disposition rtn;
/*
* we really want to loop over the various channels, and do this on
@@ -1675,7 +1679,7 @@ static int scsi_eh_host_reset(struct Scsi_Host *shost,
{
struct scsi_cmnd *scmd, *next;
LIST_HEAD(check_list);
- int rtn;
+ enum scsi_disposition rtn;
if (!list_empty(work_q)) {
scmd = list_entry(work_q->next,
@@ -1781,9 +1785,9 @@ check_type:
* doesn't require the error handler read (i.e. we don't need to
* abort/reset), this function should return SUCCESS.
*/
-int scsi_decide_disposition(struct scsi_cmnd *scmd)
+enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *scmd)
{
- int rtn;
+ enum scsi_disposition rtn;
/*
* if the device is offline, then we clearly just pass the result back
@@ -2339,7 +2343,8 @@ scsi_ioctl_reset(struct scsi_device *dev, int __user *arg)
struct Scsi_Host *shost = dev->host;
struct request *rq;
unsigned long flags;
- int error = 0, rtn, val;
+ int error = 0, val;
+ enum scsi_disposition rtn;
if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
return -EACCES;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 99b900315..14dec86ff 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -310,9 +310,11 @@ static void scsi_dec_host_busy(struct Scsi_Host *shost, struct scsi_cmnd *cmd)
rcu_read_lock();
__clear_bit(SCMD_STATE_INFLIGHT, &cmd->state);
if (unlikely(scsi_host_in_recovery(shost))) {
+ unsigned int busy = scsi_host_busy(shost);
+
spin_lock_irqsave(shost->host_lock, flags);
if (shost->host_failed || shost->host_eh_scheduled)
- scsi_eh_wakeup(shost);
+ scsi_eh_wakeup(shost, busy);
spin_unlock_irqrestore(shost->host_lock, flags);
}
rcu_read_unlock();
@@ -1426,7 +1428,7 @@ static bool scsi_mq_lld_busy(struct request_queue *q)
static void scsi_softirq_done(struct request *rq)
{
struct scsi_cmnd *cmd = blk_mq_rq_to_pdu(rq);
- int disposition;
+ enum scsi_disposition disposition;
INIT_LIST_HEAD(&cmd->eh_entry);
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 180636d54..1183dbed6 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -73,8 +73,8 @@ extern void scsi_exit_devinfo(void);
extern void scmd_eh_abort_handler(struct work_struct *work);
extern enum blk_eh_timer_return scsi_times_out(struct request *req);
extern int scsi_error_handler(void *host);
-extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
-extern void scsi_eh_wakeup(struct Scsi_Host *shost);
+extern enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *cmd);
+extern void scsi_eh_wakeup(struct Scsi_Host *shost, unsigned int busy);
extern void scsi_eh_scmd_add(struct scsi_cmnd *);
void scsi_eh_ready_devs(struct Scsi_Host *shost,
struct list_head *work_q,
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 58f66176b..f2dfd9853 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3026,8 +3026,13 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
}
if (sdkp->device->type == TYPE_ZBC) {
- /* Host-managed */
+ /*
+ * Host-managed: Per ZBC and ZAC specifications, writes in
+ * sequential write required zones of host-managed devices must
+ * be aligned to the device physical block size.
+ */
blk_queue_set_zoned(sdkp->disk, BLK_ZONED_HM);
+ blk_queue_zone_write_granularity(q, sdkp->physical_block_size);
} else {
sdkp->zoned = (buffer[8] >> 4) & 3;
if (sdkp->zoned == 1) {
diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
index 1d2bc181d..69f6178f2 100644
--- a/drivers/slimbus/core.c
+++ b/drivers/slimbus/core.c
@@ -438,8 +438,8 @@ static int slim_device_alloc_laddr(struct slim_device *sbdev,
if (ret < 0)
goto err;
} else if (report_present) {
- ret = ida_simple_get(&ctrl->laddr_ida,
- 0, SLIM_LA_MANAGER - 1, GFP_KERNEL);
+ ret = ida_alloc_max(&ctrl->laddr_ida,
+ SLIM_LA_MANAGER - 1, GFP_KERNEL);
if (ret < 0)
goto err;
diff --git a/drivers/soc/fsl/dpio/dpio-service.c b/drivers/soc/fsl/dpio/dpio-service.c
index 779c319a4..6cdd2c517 100644
--- a/drivers/soc/fsl/dpio/dpio-service.c
+++ b/drivers/soc/fsl/dpio/dpio-service.c
@@ -485,7 +485,7 @@ int dpaa2_io_service_enqueue_multiple_desc_fq(struct dpaa2_io *d,
struct qbman_eq_desc *ed;
int i, ret;
- ed = kcalloc(sizeof(struct qbman_eq_desc), 32, GFP_KERNEL);
+ ed = kcalloc(32, sizeof(struct qbman_eq_desc), GFP_KERNEL);
if (!ed)
return -ENOMEM;
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index feb974706..7abc9b6a0 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -991,7 +991,7 @@ struct qman_portal {
/* linked-list of CSCN handlers. */
struct list_head cgr_cbs;
/* list lock */
- spinlock_t cgr_lock;
+ raw_spinlock_t cgr_lock;
struct work_struct congestion_work;
struct work_struct mr_work;
char irqname[MAX_IRQNAME];
@@ -1281,7 +1281,7 @@ static int qman_create_portal(struct qman_portal *portal,
/* if the given mask is NULL, assume all CGRs can be seen */
qman_cgrs_fill(&portal->cgrs[0]);
INIT_LIST_HEAD(&portal->cgr_cbs);
- spin_lock_init(&portal->cgr_lock);
+ raw_spin_lock_init(&portal->cgr_lock);
INIT_WORK(&portal->congestion_work, qm_congestion_task);
INIT_WORK(&portal->mr_work, qm_mr_process_task);
portal->bits = 0;
@@ -1456,11 +1456,14 @@ static void qm_congestion_task(struct work_struct *work)
union qm_mc_result *mcr;
struct qman_cgr *cgr;
- spin_lock(&p->cgr_lock);
+ /*
+ * FIXME: QM_MCR_TIMEOUT is 10ms, which is too long for a raw spinlock!
+ */
+ raw_spin_lock_irq(&p->cgr_lock);
qm_mc_start(&p->p);
qm_mc_commit(&p->p, QM_MCC_VERB_QUERYCONGESTION);
if (!qm_mc_result_timeout(&p->p, &mcr)) {
- spin_unlock(&p->cgr_lock);
+ raw_spin_unlock_irq(&p->cgr_lock);
dev_crit(p->config->dev, "QUERYCONGESTION timeout\n");
qman_p_irqsource_add(p, QM_PIRQ_CSCI);
return;
@@ -1476,7 +1479,7 @@ static void qm_congestion_task(struct work_struct *work)
list_for_each_entry(cgr, &p->cgr_cbs, node)
if (cgr->cb && qman_cgrs_get(&c, cgr->cgrid))
cgr->cb(p, cgr, qman_cgrs_get(&rr, cgr->cgrid));
- spin_unlock(&p->cgr_lock);
+ raw_spin_unlock_irq(&p->cgr_lock);
qman_p_irqsource_add(p, QM_PIRQ_CSCI);
}
@@ -2440,7 +2443,7 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
preempt_enable();
cgr->chan = p->config->channel;
- spin_lock(&p->cgr_lock);
+ raw_spin_lock_irq(&p->cgr_lock);
if (opts) {
struct qm_mcc_initcgr local_opts = *opts;
@@ -2477,19 +2480,14 @@ int qman_create_cgr(struct qman_cgr *cgr, u32 flags,
qman_cgrs_get(&p->cgrs[1], cgr->cgrid))
cgr->cb(p, cgr, 1);
out:
- spin_unlock(&p->cgr_lock);
+ raw_spin_unlock_irq(&p->cgr_lock);
put_affine_portal();
return ret;
}
EXPORT_SYMBOL(qman_create_cgr);
-int qman_delete_cgr(struct qman_cgr *cgr)
+static struct qman_portal *qman_cgr_get_affine_portal(struct qman_cgr *cgr)
{
- unsigned long irqflags;
- struct qm_mcr_querycgr cgr_state;
- struct qm_mcc_initcgr local_opts;
- int ret = 0;
- struct qman_cgr *i;
struct qman_portal *p = get_affine_portal();
if (cgr->chan != p->config->channel) {
@@ -2497,12 +2495,27 @@ int qman_delete_cgr(struct qman_cgr *cgr)
dev_err(p->config->dev, "CGR not owned by current portal");
dev_dbg(p->config->dev, " create 0x%x, delete 0x%x\n",
cgr->chan, p->config->channel);
-
- ret = -EINVAL;
- goto put_portal;
+ put_affine_portal();
+ return NULL;
}
+
+ return p;
+}
+
+int qman_delete_cgr(struct qman_cgr *cgr)
+{
+ unsigned long irqflags;
+ struct qm_mcr_querycgr cgr_state;
+ struct qm_mcc_initcgr local_opts;
+ int ret = 0;
+ struct qman_cgr *i;
+ struct qman_portal *p = qman_cgr_get_affine_portal(cgr);
+
+ if (!p)
+ return -EINVAL;
+
memset(&local_opts, 0, sizeof(struct qm_mcc_initcgr));
- spin_lock_irqsave(&p->cgr_lock, irqflags);
+ raw_spin_lock_irqsave(&p->cgr_lock, irqflags);
list_del(&cgr->node);
/*
* If there are no other CGR objects for this CGRID in the list,
@@ -2527,8 +2540,7 @@ int qman_delete_cgr(struct qman_cgr *cgr)
/* add back to the list */
list_add(&cgr->node, &p->cgr_cbs);
release_lock:
- spin_unlock_irqrestore(&p->cgr_lock, irqflags);
-put_portal:
+ raw_spin_unlock_irqrestore(&p->cgr_lock, irqflags);
put_affine_portal();
return ret;
}
@@ -2559,6 +2571,54 @@ void qman_delete_cgr_safe(struct qman_cgr *cgr)
}
EXPORT_SYMBOL(qman_delete_cgr_safe);
+static int qman_update_cgr(struct qman_cgr *cgr, struct qm_mcc_initcgr *opts)
+{
+ int ret;
+ unsigned long irqflags;
+ struct qman_portal *p = qman_cgr_get_affine_portal(cgr);
+
+ if (!p)
+ return -EINVAL;
+
+ raw_spin_lock_irqsave(&p->cgr_lock, irqflags);
+ ret = qm_modify_cgr(cgr, 0, opts);
+ raw_spin_unlock_irqrestore(&p->cgr_lock, irqflags);
+ put_affine_portal();
+ return ret;
+}
+
+struct update_cgr_params {
+ struct qman_cgr *cgr;
+ struct qm_mcc_initcgr *opts;
+ int ret;
+};
+
+static void qman_update_cgr_smp_call(void *p)
+{
+ struct update_cgr_params *params = p;
+
+ params->ret = qman_update_cgr(params->cgr, params->opts);
+}
+
+int qman_update_cgr_safe(struct qman_cgr *cgr, struct qm_mcc_initcgr *opts)
+{
+ struct update_cgr_params params = {
+ .cgr = cgr,
+ .opts = opts,
+ };
+
+ preempt_disable();
+ if (qman_cgr_cpus[cgr->cgrid] != smp_processor_id())
+ smp_call_function_single(qman_cgr_cpus[cgr->cgrid],
+ qman_update_cgr_smp_call, &params,
+ true);
+ else
+ params.ret = qman_update_cgr(cgr, opts);
+ preempt_enable();
+ return params.ret;
+}
+EXPORT_SYMBOL(qman_update_cgr_safe);
+
/* Cleanup FQs */
static int _qm_mr_consume_and_match_verb(struct qm_portal *p, int v)
diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
index 436ec7912..d228e7717 100644
--- a/drivers/soc/qcom/rpmhpd.c
+++ b/drivers/soc/qcom/rpmhpd.c
@@ -261,12 +261,15 @@ static int rpmhpd_aggregate_corner(struct rpmhpd *pd, unsigned int corner)
unsigned int active_corner, sleep_corner;
unsigned int this_active_corner = 0, this_sleep_corner = 0;
unsigned int peer_active_corner = 0, peer_sleep_corner = 0;
+ unsigned int peer_enabled_corner;
to_active_sleep(pd, corner, &this_active_corner, &this_sleep_corner);
- if (peer && peer->enabled)
- to_active_sleep(peer, peer->corner, &peer_active_corner,
+ if (peer && peer->enabled) {
+ peer_enabled_corner = max(peer->corner, peer->enable_corner);
+ to_active_sleep(peer, peer_enabled_corner, &peer_active_corner,
&peer_sleep_corner);
+ }
active_corner = max(this_active_corner, peer_active_corner);
diff --git a/drivers/soc/renesas/r8a77980-sysc.c b/drivers/soc/renesas/r8a77980-sysc.c
index 39ca84a67..621e411fc 100644
--- a/drivers/soc/renesas/r8a77980-sysc.c
+++ b/drivers/soc/renesas/r8a77980-sysc.c
@@ -25,7 +25,8 @@ static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
PD_CPU_NOCR },
{ "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
PD_CPU_NOCR },
- { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON },
+ { "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON,
+ PD_CPU_NOCR },
{ "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON },
{ "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR },
{ "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR },
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index 2c734ea07..898658ab1 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -19,7 +19,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
-#include <linux/spi/spi-mem.h>
+#include <linux/mtd/spi-nor.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include "spi-bcm-qspi.h"
@@ -1048,7 +1048,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
/* non-aligned and very short transfers are handled by MSPI */
if (!IS_ALIGNED((uintptr_t)addr, 4) || !IS_ALIGNED((uintptr_t)buf, 4) ||
- len < 4)
+ len < 4 || op->cmd.opcode == SPINOR_OP_RDSFDP)
mspi_read = true;
if (!has_bspi(qspi) || mspi_read)
diff --git a/drivers/spi/spi-hisi-sfc-v3xx.c b/drivers/spi/spi-hisi-sfc-v3xx.c
index 4650b483a..e0c3ad73c 100644
--- a/drivers/spi/spi-hisi-sfc-v3xx.c
+++ b/drivers/spi/spi-hisi-sfc-v3xx.c
@@ -365,6 +365,11 @@ static const struct spi_controller_mem_ops hisi_sfc_v3xx_mem_ops = {
static irqreturn_t hisi_sfc_v3xx_isr(int irq, void *data)
{
struct hisi_sfc_v3xx_host *host = data;
+ u32 reg;
+
+ reg = readl(host->regbase + HISI_SFC_V3XX_INT_STAT);
+ if (!reg)
+ return IRQ_NONE;
hisi_sfc_v3xx_disable_int(host);
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 92a09dfb9..0bcf4a281 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -566,17 +566,19 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);
mtk_spi_setup_packet(master);
- cnt = mdata->xfer_len / 4;
- iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
- trans->tx_buf + mdata->num_xfered, cnt);
+ if (trans->tx_buf) {
+ cnt = mdata->xfer_len / 4;
+ iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
+ trans->tx_buf + mdata->num_xfered, cnt);
- remainder = mdata->xfer_len % 4;
- if (remainder > 0) {
- reg_val = 0;
- memcpy(&reg_val,
- trans->tx_buf + (cnt * 4) + mdata->num_xfered,
- remainder);
- writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+ remainder = mdata->xfer_len % 4;
+ if (remainder > 0) {
+ reg_val = 0;
+ memcpy(&reg_val,
+ trans->tx_buf + (cnt * 4) + mdata->num_xfered,
+ remainder);
+ writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+ }
}
mtk_spi_enable_transfer(master);
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index d8ee363fb..4200b12fc 100644
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -166,10 +166,8 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)
int scr;
u8 cdm = 0;
u32 speed;
- u8 bits_per_word;
/* Start with the generic configuration for this device. */
- bits_per_word = spi->bits_per_word;
speed = spi->max_speed_hz;
/*
@@ -177,9 +175,6 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)
* the transfer to overwrite the generic configuration with zeros.
*/
if (t) {
- if (t->bits_per_word)
- bits_per_word = t->bits_per_word;
-
if (t->speed_hz)
speed = min(t->speed_hz, spi->max_speed_hz);
}
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 35d303782..12fd02f92 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -137,14 +137,14 @@ struct sh_msiof_spi_priv {
/* SIFCTR */
#define SIFCTR_TFWM_MASK GENMASK(31, 29) /* Transmit FIFO Watermark */
-#define SIFCTR_TFWM_64 (0 << 29) /* Transfer Request when 64 empty stages */
-#define SIFCTR_TFWM_32 (1 << 29) /* Transfer Request when 32 empty stages */
-#define SIFCTR_TFWM_24 (2 << 29) /* Transfer Request when 24 empty stages */
-#define SIFCTR_TFWM_16 (3 << 29) /* Transfer Request when 16 empty stages */
-#define SIFCTR_TFWM_12 (4 << 29) /* Transfer Request when 12 empty stages */
-#define SIFCTR_TFWM_8 (5 << 29) /* Transfer Request when 8 empty stages */
-#define SIFCTR_TFWM_4 (6 << 29) /* Transfer Request when 4 empty stages */
-#define SIFCTR_TFWM_1 (7 << 29) /* Transfer Request when 1 empty stage */
+#define SIFCTR_TFWM_64 (0UL << 29) /* Transfer Request when 64 empty stages */
+#define SIFCTR_TFWM_32 (1UL << 29) /* Transfer Request when 32 empty stages */
+#define SIFCTR_TFWM_24 (2UL << 29) /* Transfer Request when 24 empty stages */
+#define SIFCTR_TFWM_16 (3UL << 29) /* Transfer Request when 16 empty stages */
+#define SIFCTR_TFWM_12 (4UL << 29) /* Transfer Request when 12 empty stages */
+#define SIFCTR_TFWM_8 (5UL << 29) /* Transfer Request when 8 empty stages */
+#define SIFCTR_TFWM_4 (6UL << 29) /* Transfer Request when 4 empty stages */
+#define SIFCTR_TFWM_1 (7UL << 29) /* Transfer Request when 1 empty stage */
#define SIFCTR_TFUA_MASK GENMASK(26, 20) /* Transmit FIFO Usable Area */
#define SIFCTR_TFUA_SHIFT 20
#define SIFCTR_TFUA(i) ((i) << SIFCTR_TFUA_SHIFT)
diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c
index cbc225eb1..bea9a3adf 100644
--- a/drivers/staging/comedi/drivers/comedi_test.c
+++ b/drivers/staging/comedi/drivers/comedi_test.c
@@ -87,6 +87,8 @@ struct waveform_private {
struct comedi_device *dev; /* parent comedi device */
u64 ao_last_scan_time; /* time of previous AO scan in usec */
unsigned int ao_scan_period; /* AO scan period in usec */
+ bool ai_timer_enable:1; /* should AI timer be running? */
+ bool ao_timer_enable:1; /* should AO timer be running? */
unsigned short ao_loopbacks[N_CHANS];
};
@@ -236,8 +238,12 @@ static void waveform_ai_timer(struct timer_list *t)
time_increment = devpriv->ai_convert_time - now;
else
time_increment = 1;
- mod_timer(&devpriv->ai_timer,
- jiffies + usecs_to_jiffies(time_increment));
+ spin_lock(&dev->spinlock);
+ if (devpriv->ai_timer_enable) {
+ mod_timer(&devpriv->ai_timer,
+ jiffies + usecs_to_jiffies(time_increment));
+ }
+ spin_unlock(&dev->spinlock);
}
overrun:
@@ -393,9 +399,12 @@ static int waveform_ai_cmd(struct comedi_device *dev,
* Seem to need an extra jiffy here, otherwise timer expires slightly
* early!
*/
+ spin_lock_bh(&dev->spinlock);
+ devpriv->ai_timer_enable = true;
devpriv->ai_timer.expires =
jiffies + usecs_to_jiffies(devpriv->ai_convert_period) + 1;
add_timer(&devpriv->ai_timer);
+ spin_unlock_bh(&dev->spinlock);
return 0;
}
@@ -404,6 +413,9 @@ static int waveform_ai_cancel(struct comedi_device *dev,
{
struct waveform_private *devpriv = dev->private;
+ spin_lock_bh(&dev->spinlock);
+ devpriv->ai_timer_enable = false;
+ spin_unlock_bh(&dev->spinlock);
if (in_softirq()) {
/* Assume we were called from the timer routine itself. */
del_timer(&devpriv->ai_timer);
@@ -495,8 +507,12 @@ static void waveform_ao_timer(struct timer_list *t)
unsigned int time_inc = devpriv->ao_last_scan_time +
devpriv->ao_scan_period - now;
- mod_timer(&devpriv->ao_timer,
- jiffies + usecs_to_jiffies(time_inc));
+ spin_lock(&dev->spinlock);
+ if (devpriv->ao_timer_enable) {
+ mod_timer(&devpriv->ao_timer,
+ jiffies + usecs_to_jiffies(time_inc));
+ }
+ spin_unlock(&dev->spinlock);
}
underrun:
@@ -517,9 +533,12 @@ static int waveform_ao_inttrig_start(struct comedi_device *dev,
async->inttrig = NULL;
devpriv->ao_last_scan_time = ktime_to_us(ktime_get());
+ spin_lock_bh(&dev->spinlock);
+ devpriv->ao_timer_enable = true;
devpriv->ao_timer.expires =
jiffies + usecs_to_jiffies(devpriv->ao_scan_period);
add_timer(&devpriv->ao_timer);
+ spin_unlock_bh(&dev->spinlock);
return 1;
}
@@ -604,6 +623,9 @@ static int waveform_ao_cancel(struct comedi_device *dev,
struct waveform_private *devpriv = dev->private;
s->async->inttrig = NULL;
+ spin_lock_bh(&dev->spinlock);
+ devpriv->ao_timer_enable = false;
+ spin_unlock_bh(&dev->spinlock);
if (in_softirq()) {
/* Assume we were called from the timer routine itself. */
del_timer(&devpriv->ao_timer);
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index ccc65cfc5..51b814e44 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -642,33 +642,22 @@ static int vmk80xx_find_usb_endpoints(struct comedi_device *dev)
struct vmk80xx_private *devpriv = dev->private;
struct usb_interface *intf = comedi_to_usb_interface(dev);
struct usb_host_interface *iface_desc = intf->cur_altsetting;
- struct usb_endpoint_descriptor *ep_desc;
- int i;
-
- if (iface_desc->desc.bNumEndpoints != 2)
- return -ENODEV;
-
- for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
- ep_desc = &iface_desc->endpoint[i].desc;
-
- if (usb_endpoint_is_int_in(ep_desc) ||
- usb_endpoint_is_bulk_in(ep_desc)) {
- if (!devpriv->ep_rx)
- devpriv->ep_rx = ep_desc;
- continue;
- }
+ struct usb_endpoint_descriptor *ep_rx_desc, *ep_tx_desc;
+ int ret;
- if (usb_endpoint_is_int_out(ep_desc) ||
- usb_endpoint_is_bulk_out(ep_desc)) {
- if (!devpriv->ep_tx)
- devpriv->ep_tx = ep_desc;
- continue;
- }
- }
+ if (devpriv->model == VMK8061_MODEL)
+ ret = usb_find_common_endpoints(iface_desc, &ep_rx_desc,
+ &ep_tx_desc, NULL, NULL);
+ else
+ ret = usb_find_common_endpoints(iface_desc, NULL, NULL,
+ &ep_rx_desc, &ep_tx_desc);
- if (!devpriv->ep_rx || !devpriv->ep_tx)
+ if (ret)
return -ENODEV;
+ devpriv->ep_rx = ep_rx_desc;
+ devpriv->ep_tx = ep_tx_desc;
+
if (!usb_endpoint_maxp(devpriv->ep_rx) || !usb_endpoint_maxp(devpriv->ep_tx))
return -EINVAL;
diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index d2672b65c..e59bb2723 100644
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -100,15 +100,15 @@ static struct led_classdev *get_channel_cdev(struct gb_channel *channel)
static struct gb_channel *get_channel_from_mode(struct gb_light *light,
u32 mode)
{
- struct gb_channel *channel = NULL;
+ struct gb_channel *channel;
int i;
for (i = 0; i < light->channels_count; i++) {
channel = &light->channels[i];
- if (channel && channel->mode == mode)
- break;
+ if (channel->mode == mode)
+ return channel;
}
- return channel;
+ return NULL;
}
static int __gb_lights_flash_intensity_set(struct gb_channel *channel,
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index dba78896e..7d91d64b2 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -625,7 +625,7 @@ static void ad5933_work(struct work_struct *work)
struct ad5933_state, work.work);
struct iio_dev *indio_dev = i2c_get_clientdata(st->client);
__be16 buf[2];
- int val[2];
+ u16 val[2];
unsigned char status;
int ret;
diff --git a/drivers/staging/media/imx/imx-media-csc-scaler.c b/drivers/staging/media/imx/imx-media-csc-scaler.c
index 63a020450..939843b89 100644
--- a/drivers/staging/media/imx/imx-media-csc-scaler.c
+++ b/drivers/staging/media/imx/imx-media-csc-scaler.c
@@ -803,6 +803,7 @@ static int ipu_csc_scaler_release(struct file *file)
dev_dbg(priv->dev, "Releasing instance %p\n", ctx);
+ v4l2_ctrl_handler_free(&ctx->ctrl_hdlr);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
diff --git a/drivers/staging/media/ipu3/ipu3-v4l2.c b/drivers/staging/media/ipu3/ipu3-v4l2.c
index 103f84466..371117b51 100644
--- a/drivers/staging/media/ipu3/ipu3-v4l2.c
+++ b/drivers/staging/media/ipu3/ipu3-v4l2.c
@@ -1063,6 +1063,11 @@ static int imgu_v4l2_subdev_register(struct imgu_device *imgu,
struct imgu_media_pipe *imgu_pipe = &imgu->imgu_pipe[pipe];
/* Initialize subdev media entity */
+ imgu_sd->subdev.entity.ops = &imgu_media_ops;
+ for (i = 0; i < IMGU_NODE_NUM; i++) {
+ imgu_sd->subdev_pads[i].flags = imgu_pipe->nodes[i].output ?
+ MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE;
+ }
r = media_entity_pads_init(&imgu_sd->subdev.entity, IMGU_NODE_NUM,
imgu_sd->subdev_pads);
if (r) {
@@ -1070,11 +1075,6 @@ static int imgu_v4l2_subdev_register(struct imgu_device *imgu,
"failed initialize subdev media entity (%d)\n", r);
return r;
}
- imgu_sd->subdev.entity.ops = &imgu_media_ops;
- for (i = 0; i < IMGU_NODE_NUM; i++) {
- imgu_sd->subdev_pads[i].flags = imgu_pipe->nodes[i].output ?
- MEDIA_PAD_FL_SINK : MEDIA_PAD_FL_SOURCE;
- }
/* Initialize subdev */
v4l2_subdev_init(&imgu_sd->subdev, &imgu_subdev_ops);
@@ -1169,15 +1169,15 @@ static int imgu_v4l2_node_setup(struct imgu_device *imgu, unsigned int pipe,
}
/* Initialize media entities */
+ node->vdev_pad.flags = node->output ?
+ MEDIA_PAD_FL_SOURCE : MEDIA_PAD_FL_SINK;
+ vdev->entity.ops = NULL;
r = media_entity_pads_init(&vdev->entity, 1, &node->vdev_pad);
if (r) {
dev_err(dev, "failed initialize media entity (%d)\n", r);
mutex_destroy(&node->lock);
return r;
}
- node->vdev_pad.flags = node->output ?
- MEDIA_PAD_FL_SOURCE : MEDIA_PAD_FL_SINK;
- vdev->entity.ops = NULL;
/* Initialize vbq */
vbq->type = node->vdev_fmt.type;
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index d697ea55a..3306ec5bb 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -940,8 +940,9 @@ static int create_component(struct vchiq_mmal_instance *instance,
/* build component create message */
m.h.type = MMAL_MSG_TYPE_COMPONENT_CREATE;
m.u.component_create.client_component = component->client_component;
- strncpy(m.u.component_create.name, name,
- sizeof(m.u.component_create.name));
+ strscpy_pad(m.u.component_create.name, name,
+ sizeof(m.u.component_create.name));
+ m.u.component_create.pid = 0;
ret = send_synchronous_mmal_msg(instance, &m,
sizeof(m.u.component_create),
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 9aeedcff7..daa4d06ce 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -150,7 +150,6 @@ int transport_lookup_tmr_lun(struct se_cmd *se_cmd)
struct se_session *se_sess = se_cmd->se_sess;
struct se_node_acl *nacl = se_sess->se_node_acl;
struct se_tmr_req *se_tmr = se_cmd->se_tmr_req;
- unsigned long flags;
rcu_read_lock();
deve = target_nacl_find_deve(nacl, se_cmd->orig_fe_lun);
@@ -181,10 +180,6 @@ out_unlock:
se_cmd->se_dev = rcu_dereference_raw(se_lun->lun_se_dev);
se_tmr->tmr_dev = rcu_dereference_raw(se_lun->lun_se_dev);
- spin_lock_irqsave(&se_tmr->tmr_dev->se_tmr_lock, flags);
- list_add_tail(&se_tmr->tmr_list, &se_tmr->tmr_dev->dev_tmr_list);
- spin_unlock_irqrestore(&se_tmr->tmr_dev->se_tmr_lock, flags);
-
return 0;
}
EXPORT_SYMBOL(transport_lookup_tmr_lun);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 2e97937f0..8d294b658 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3436,6 +3436,10 @@ int transport_generic_handle_tmr(
unsigned long flags;
bool aborted = false;
+ spin_lock_irqsave(&cmd->se_dev->se_tmr_lock, flags);
+ list_add_tail(&cmd->se_tmr_req->tmr_list, &cmd->se_dev->dev_tmr_list);
+ spin_unlock_irqrestore(&cmd->se_dev->se_tmr_lock, flags);
+
spin_lock_irqsave(&cmd->t_state_lock, flags);
if (cmd->transport_state & CMD_T_ABORTED) {
aborted = true;
diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c
index 3cb39f02f..26683697c 100644
--- a/drivers/tee/optee/device.c
+++ b/drivers/tee/optee/device.c
@@ -90,13 +90,14 @@ static int optee_register_device(const uuid_t *device_uuid, u32 func)
if (rc) {
pr_err("device registration failed, err: %d\n", rc);
put_device(&optee_device->dev);
+ return rc;
}
if (func == PTA_CMD_GET_DEVICES_SUPP)
device_create_file(&optee_device->dev,
&dev_attr_need_supplicant);
- return rc;
+ return 0;
}
static int __optee_enumerate_devices(u32 func)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 22e5c4de3..b13a944eb 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -2402,22 +2402,29 @@ void tb_switch_unconfigure_link(struct tb_switch *sw)
{
struct tb_port *up, *down;
- if (sw->is_unplugged)
- return;
if (!tb_route(sw) || tb_switch_is_icm(sw))
return;
+ /*
+ * Unconfigure downstream port so that wake-on-connect can be
+ * configured after router unplug. No need to unconfigure upstream port
+ * since its router is unplugged.
+ */
up = tb_upstream_port(sw);
- if (tb_switch_is_usb4(up->sw))
- usb4_port_unconfigure(up);
- else
- tb_lc_unconfigure_port(up);
-
down = up->remote;
if (tb_switch_is_usb4(down->sw))
usb4_port_unconfigure(down);
else
tb_lc_unconfigure_port(down);
+
+ if (sw->is_unplugged)
+ return;
+
+ up = tb_upstream_port(sw);
+ if (tb_switch_is_usb4(up->sw))
+ usb4_port_unconfigure(up);
+ else
+ tb_lc_unconfigure_port(up);
}
static int tb_switch_port_hotplug_enable(struct tb_switch *sw)
@@ -2631,7 +2638,26 @@ static int tb_switch_set_wake(struct tb_switch *sw, unsigned int flags)
return tb_lc_set_wake(sw, flags);
}
-int tb_switch_resume(struct tb_switch *sw)
+static void tb_switch_check_wakes(struct tb_switch *sw)
+{
+ if (device_may_wakeup(&sw->dev)) {
+ if (tb_switch_is_usb4(sw))
+ usb4_switch_check_wakes(sw);
+ }
+}
+
+/**
+ * tb_switch_resume() - Resume a switch after sleep
+ * @sw: Switch to resume
+ * @runtime: Is this resume from runtime suspend or system sleep
+ *
+ * Resumes and re-enumerates router (and all its children), if still plugged
+ * after suspend. Don't enumerate device router whose UID was changed during
+ * suspend. If this is resume from system sleep, notifies PM core about the
+ * wakes occurred during suspend. Disables all wakes, except USB4 wake of
+ * upstream port for USB4 routers that shall be always enabled.
+ */
+int tb_switch_resume(struct tb_switch *sw, bool runtime)
{
struct tb_port *port;
int err;
@@ -2676,6 +2702,9 @@ int tb_switch_resume(struct tb_switch *sw)
if (err)
return err;
+ if (!runtime)
+ tb_switch_check_wakes(sw);
+
/* Disable wakes */
tb_switch_set_wake(sw, 0);
@@ -2702,7 +2731,8 @@ int tb_switch_resume(struct tb_switch *sw)
*/
if (tb_port_unlock(port))
tb_port_warn(port, "failed to unlock port\n");
- if (port->remote && tb_switch_resume(port->remote->sw)) {
+ if (port->remote &&
+ tb_switch_resume(port->remote->sw, runtime)) {
tb_port_warn(port,
"lost during suspend, disconnecting\n");
tb_sw_set_unplugged(port->remote->sw);
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index a56ea540a..26a788479 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1385,7 +1385,7 @@ static int tb_resume_noirq(struct tb *tb)
/* remove any pci devices the firmware might have setup */
tb_switch_reset(tb->root_switch);
- tb_switch_resume(tb->root_switch);
+ tb_switch_resume(tb->root_switch, false);
tb_free_invalid_tunnels(tb);
tb_free_unplugged_children(tb->root_switch);
tb_restore_children(tb->root_switch);
@@ -1488,7 +1488,7 @@ static int tb_runtime_resume(struct tb *tb)
struct tb_tunnel *tunnel, *n;
mutex_lock(&tb->lock);
- tb_switch_resume(tb->root_switch);
+ tb_switch_resume(tb->root_switch, true);
tb_free_invalid_tunnels(tb);
tb_restore_children(tb->root_switch);
list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list)
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index 266f3bf8f..f3df5655f 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -653,7 +653,7 @@ int tb_switch_configure(struct tb_switch *sw);
int tb_switch_add(struct tb_switch *sw);
void tb_switch_remove(struct tb_switch *sw);
void tb_switch_suspend(struct tb_switch *sw, bool runtime);
-int tb_switch_resume(struct tb_switch *sw);
+int tb_switch_resume(struct tb_switch *sw, bool runtime);
int tb_switch_reset(struct tb_switch *sw);
void tb_sw_set_unplugged(struct tb_switch *sw);
struct tb_port *tb_switch_find_port(struct tb_switch *sw,
@@ -957,6 +957,7 @@ static inline struct tb_retimer *tb_to_retimer(struct device *dev)
return NULL;
}
+void usb4_switch_check_wakes(struct tb_switch *sw);
int usb4_switch_setup(struct tb_switch *sw);
int usb4_switch_read_uid(struct tb_switch *sw, u64 *uid);
int usb4_switch_drom_read(struct tb_switch *sw, unsigned int address, void *buf,
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index 5b45c45e7..78c895abb 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -197,15 +197,18 @@ static int usb4_switch_op(struct tb_switch *sw, u16 opcode, u8 *status)
return 0;
}
-static void usb4_switch_check_wakes(struct tb_switch *sw)
+/**
+ * usb4_switch_check_wakes() - Check for wakes and notify PM core about them
+ * @sw: Router whose wakes to check
+ *
+ * Checks wakes occurred during suspend and notify the PM core about them.
+ */
+void usb4_switch_check_wakes(struct tb_switch *sw)
{
struct tb_port *port;
bool wakeup = false;
u32 val;
- if (!device_may_wakeup(&sw->dev))
- return;
-
if (tb_route(sw)) {
if (tb_sw_read(sw, &val, TB_CFG_SWITCH, ROUTER_CS_6, 1))
return;
@@ -270,8 +273,6 @@ int usb4_switch_setup(struct tb_switch *sw)
u32 val = 0;
int ret;
- usb4_switch_check_wakes(sw);
-
if (!tb_route(sw))
return 0;
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index cf0fb650a..4886cad0f 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -43,6 +43,7 @@ struct xencons_info {
int irq;
int vtermno;
grant_ref_t gntref;
+ spinlock_t ring_lock;
};
static LIST_HEAD(xenconsoles);
@@ -89,12 +90,15 @@ static int __write_console(struct xencons_info *xencons,
XENCONS_RING_IDX cons, prod;
struct xencons_interface *intf = xencons->intf;
int sent = 0;
+ unsigned long flags;
+ spin_lock_irqsave(&xencons->ring_lock, flags);
cons = intf->out_cons;
prod = intf->out_prod;
mb(); /* update queue values before going on */
if ((prod - cons) > sizeof(intf->out)) {
+ spin_unlock_irqrestore(&xencons->ring_lock, flags);
pr_err_once("xencons: Illegal ring page indices");
return -EINVAL;
}
@@ -104,6 +108,7 @@ static int __write_console(struct xencons_info *xencons,
wmb(); /* write ring before updating pointer */
intf->out_prod = prod;
+ spin_unlock_irqrestore(&xencons->ring_lock, flags);
if (sent)
notify_daemon(xencons);
@@ -146,16 +151,19 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len)
int recv = 0;
struct xencons_info *xencons = vtermno_to_xencons(vtermno);
unsigned int eoiflag = 0;
+ unsigned long flags;
if (xencons == NULL)
return -EINVAL;
intf = xencons->intf;
+ spin_lock_irqsave(&xencons->ring_lock, flags);
cons = intf->in_cons;
prod = intf->in_prod;
mb(); /* get pointers before reading ring */
if ((prod - cons) > sizeof(intf->in)) {
+ spin_unlock_irqrestore(&xencons->ring_lock, flags);
pr_err_once("xencons: Illegal ring page indices");
return -EINVAL;
}
@@ -179,10 +187,13 @@ static int domU_read_console(uint32_t vtermno, char *buf, int len)
xencons->out_cons = intf->out_cons;
xencons->out_cons_same = 0;
}
+ if (!recv && xencons->out_cons_same++ > 1) {
+ eoiflag = XEN_EOI_FLAG_SPURIOUS;
+ }
+ spin_unlock_irqrestore(&xencons->ring_lock, flags);
+
if (recv) {
notify_daemon(xencons);
- } else if (xencons->out_cons_same++ > 1) {
- eoiflag = XEN_EOI_FLAG_SPURIOUS;
}
xen_irq_lateeoi(xencons->irq, eoiflag);
@@ -239,6 +250,7 @@ static int xen_hvm_console_init(void)
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
+ spin_lock_init(&info->ring_lock);
} else if (info->intf != NULL) {
/* already configured */
return 0;
@@ -275,6 +287,7 @@ err:
static int xencons_info_pv_init(struct xencons_info *info, int vtermno)
{
+ spin_lock_init(&info->ring_lock);
info->evtchn = xen_start_info->console.domU.evtchn;
/* GFN == MFN for PV guest */
info->intf = gfn_to_virt(xen_start_info->console.domU.mfn);
@@ -325,6 +338,7 @@ static int xen_initial_domain_console_init(void)
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
+ spin_lock_init(&info->ring_lock);
}
info->irq = bind_virq_to_irq(VIRQ_CONSOLE, 0, false);
@@ -485,6 +499,7 @@ static int xencons_probe(struct xenbus_device *dev,
info = kzalloc(sizeof(struct xencons_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
+ spin_lock_init(&info->ring_lock);
dev_set_drvdata(&dev->dev, info);
info->xbdev = dev;
info->vtermno = xenbus_devid_to_vtermno(devid);
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index fa4952968..c20f69a4c 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2661,6 +2661,9 @@ static int gsmld_open(struct tty_struct *tty)
{
struct gsm_mux *gsm;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
if (tty->ops->write == NULL)
return -EINVAL;
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 43f2eed6d..355ee338d 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1026,6 +1026,7 @@ int serial8250_register_8250_port(struct uart_8250_port *up)
uart->port.throttle = up->port.throttle;
uart->port.unthrottle = up->port.unthrottle;
uart->port.rs485_config = up->port.rs485_config;
+ uart->port.rs485_supported = up->port.rs485_supported;
uart->port.rs485 = up->port.rs485;
uart->rs485_start_tx = up->rs485_start_tx;
uart->rs485_stop_tx = up->rs485_stop_tx;
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 5c2adf140..7c28d2752 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -123,6 +123,7 @@ struct exar8250;
struct exar8250_platform {
int (*rs485_config)(struct uart_port *, struct serial_rs485 *);
+ const struct serial_rs485 *rs485_supported;
int (*register_gpio)(struct pci_dev *, struct uart_8250_port *);
};
@@ -423,9 +424,14 @@ static int generic_rs485_config(struct uart_port *port,
return 0;
}
+static const struct serial_rs485 generic_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND,
+};
+
static const struct exar8250_platform exar8250_default_platform = {
.register_gpio = xr17v35x_register_gpio,
.rs485_config = generic_rs485_config,
+ .rs485_supported = &generic_rs485_supported,
};
static int iot2040_rs485_config(struct uart_port *port,
@@ -461,6 +467,11 @@ static int iot2040_rs485_config(struct uart_port *port,
return generic_rs485_config(port, rs485);
}
+static const struct serial_rs485 iot2040_rs485_supported = {
+ .flags = SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND |
+ SER_RS485_RX_DURING_TX | SER_RS485_TERMINATE_BUS,
+};
+
static const struct property_entry iot2040_gpio_properties[] = {
PROPERTY_ENTRY_U32("exar,first-pin", 10),
PROPERTY_ENTRY_U32("ngpios", 1),
@@ -485,6 +496,7 @@ static int iot2040_register_gpio(struct pci_dev *pcidev,
static const struct exar8250_platform iot2040_platform = {
.rs485_config = iot2040_rs485_config,
+ .rs485_supported = &iot2040_rs485_supported,
.register_gpio = iot2040_register_gpio,
};
@@ -522,6 +534,7 @@ pci_xr17v35x_setup(struct exar8250 *priv, struct pci_dev *pcidev,
port->port.uartclk = baud * 16;
port->port.rs485_config = platform->rs485_config;
+ port->port.rs485_supported = platform->rs485_supported;
/*
* Setup the UART clock for the devices on expansion slot to
@@ -675,6 +688,7 @@ static void exar_pci_remove(struct pci_dev *pcidev)
for (i = 0; i < priv->nr; i++)
serial8250_unregister_port(priv->line[i]);
+ /* Ensure that every init quirk is properly torn down */
if (priv->board->exit)
priv->board->exit(pcidev);
}
@@ -689,10 +703,6 @@ static int __maybe_unused exar_suspend(struct device *dev)
if (priv->line[i] >= 0)
serial8250_suspend_port(priv->line[i]);
- /* Ensure that every init quirk is properly torn down */
- if (priv->board->exit)
- priv->board->exit(pcidev);
-
return 0;
}
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 8b49ac485..6098e87a3 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1358,9 +1358,6 @@ static void autoconfig_irq(struct uart_8250_port *up)
inb_p(ICP);
}
- if (uart_console(port))
- console_lock();
-
/* forget possible initially masked and pending IRQ */
probe_irq_off(probe_irq_on());
save_mcr = serial8250_in_MCR(up);
@@ -1391,9 +1388,6 @@ static void autoconfig_irq(struct uart_8250_port *up)
if (port->flags & UPF_FOURPORT)
outb_p(save_ICP, ICP);
- if (uart_console(port))
- console_unlock();
-
port->irq = (irq > 0) ? irq : 0;
}
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 28f22e586..bd30ae975 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -343,6 +343,7 @@ config SERIAL_MAX310X
depends on SPI_MASTER
select SERIAL_CORE
select REGMAP_SPI if SPI_MASTER
+ select REGMAP_I2C if I2C
help
This selects support for an advanced UART from Maxim (Dallas).
Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 227fb2d32..b16ad6db1 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -2178,9 +2178,12 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios,
UARTCTRL);
lpuart32_serial_setbrg(sport, baud);
- lpuart32_write(&sport->port, modem, UARTMODIR);
- lpuart32_write(&sport->port, ctrl, UARTCTRL);
+ /* disable CTS before enabling UARTCTRL_TE to avoid pending idle preamble */
+ lpuart32_write(&sport->port, modem & ~UARTMODIR_TXCTSE, UARTMODIR);
/* restore control register */
+ lpuart32_write(&sport->port, ctrl, UARTCTRL);
+ /* re-enable the CTS if needed */
+ lpuart32_write(&sport->port, modem, UARTMODIR);
if (old && sport->lpuart_dma_rx_use) {
if (!lpuart_start_rx_dma(sport))
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 5bf8dd619..363b68555 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -14,9 +14,10 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gpio/driver.h>
+#include <linux/i2c.h>
#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
@@ -72,7 +73,8 @@
#define MAX310X_GLOBALCMD_REG MAX310X_REG_1F /* Global Command (WO) */
/* Extended registers */
-#define MAX310X_REVID_EXTREG MAX310X_REG_05 /* Revision ID */
+#define MAX310X_SPI_REVID_EXTREG MAX310X_REG_05 /* Revision ID */
+#define MAX310X_I2C_REVID_EXTREG (0x25) /* Revision ID */
/* IRQ register bits */
#define MAX310X_IRQ_LSR_BIT (1 << 0) /* LSR interrupt */
@@ -235,6 +237,14 @@
#define MAX310x_REV_MASK (0xf8)
#define MAX310X_WRITE_BIT 0x80
+/* Port startup definitions */
+#define MAX310X_PORT_STARTUP_WAIT_RETRIES 20 /* Number of retries */
+#define MAX310X_PORT_STARTUP_WAIT_DELAY_MS 10 /* Delay between retries */
+
+/* Crystal-related definitions */
+#define MAX310X_XTAL_WAIT_RETRIES 20 /* Number of retries */
+#define MAX310X_XTAL_WAIT_DELAY_MS 10 /* Delay between retries */
+
/* MAX3107 specific */
#define MAX3107_REV_ID (0xa0)
@@ -245,7 +255,17 @@
#define MAX14830_BRGCFG_CLKDIS_BIT (1 << 6) /* Clock Disable */
#define MAX14830_REV_ID (0xb0)
+struct max310x_if_cfg {
+ int (*extended_reg_enable)(struct device *dev, bool enable);
+
+ unsigned int rev_id_reg;
+};
+
struct max310x_devtype {
+ struct {
+ unsigned short min;
+ unsigned short max;
+ } slave_addr;
char name[9];
int nr;
u8 mode1;
@@ -258,16 +278,16 @@ struct max310x_one {
struct work_struct tx_work;
struct work_struct md_work;
struct work_struct rs_work;
+ struct regmap *regmap;
- u8 wr_header;
- u8 rd_header;
u8 rx_buf[MAX310X_FIFO_SIZE];
};
#define to_max310x_port(_port) \
container_of(_port, struct max310x_one, port)
struct max310x_port {
- struct max310x_devtype *devtype;
+ const struct max310x_devtype *devtype;
+ const struct max310x_if_cfg *if_cfg;
struct regmap *regmap;
struct clk *clk;
#ifdef CONFIG_GPIOLIB
@@ -289,26 +309,26 @@ static DECLARE_BITMAP(max310x_lines, MAX310X_UART_NRMAX);
static u8 max310x_port_read(struct uart_port *port, u8 reg)
{
- struct max310x_port *s = dev_get_drvdata(port->dev);
+ struct max310x_one *one = to_max310x_port(port);
unsigned int val = 0;
- regmap_read(s->regmap, port->iobase + reg, &val);
+ regmap_read(one->regmap, reg, &val);
return val;
}
static void max310x_port_write(struct uart_port *port, u8 reg, u8 val)
{
- struct max310x_port *s = dev_get_drvdata(port->dev);
+ struct max310x_one *one = to_max310x_port(port);
- regmap_write(s->regmap, port->iobase + reg, val);
+ regmap_write(one->regmap, reg, val);
}
static void max310x_port_update(struct uart_port *port, u8 reg, u8 mask, u8 val)
{
- struct max310x_port *s = dev_get_drvdata(port->dev);
+ struct max310x_one *one = to_max310x_port(port);
- regmap_update_bits(s->regmap, port->iobase + reg, mask, val);
+ regmap_update_bits(one->regmap, reg, mask, val);
}
static int max3107_detect(struct device *dev)
@@ -357,13 +377,12 @@ static int max3109_detect(struct device *dev)
unsigned int val = 0;
int ret;
- ret = regmap_write(s->regmap, MAX310X_GLOBALCMD_REG,
- MAX310X_EXTREG_ENBL);
+ ret = s->if_cfg->extended_reg_enable(dev, true);
if (ret)
return ret;
- regmap_read(s->regmap, MAX310X_REVID_EXTREG, &val);
- regmap_write(s->regmap, MAX310X_GLOBALCMD_REG, MAX310X_EXTREG_DSBL);
+ regmap_read(s->regmap, s->if_cfg->rev_id_reg, &val);
+ s->if_cfg->extended_reg_enable(dev, false);
if (((val & MAX310x_REV_MASK) != MAX3109_REV_ID)) {
dev_err(dev,
"%s ID 0x%02x does not match\n", s->devtype->name, val);
@@ -388,13 +407,12 @@ static int max14830_detect(struct device *dev)
unsigned int val = 0;
int ret;
- ret = regmap_write(s->regmap, MAX310X_GLOBALCMD_REG,
- MAX310X_EXTREG_ENBL);
+ ret = s->if_cfg->extended_reg_enable(dev, true);
if (ret)
return ret;
- regmap_read(s->regmap, MAX310X_REVID_EXTREG, &val);
- regmap_write(s->regmap, MAX310X_GLOBALCMD_REG, MAX310X_EXTREG_DSBL);
+ regmap_read(s->regmap, s->if_cfg->rev_id_reg, &val);
+ s->if_cfg->extended_reg_enable(dev, false);
if (((val & MAX310x_REV_MASK) != MAX14830_REV_ID)) {
dev_err(dev,
"%s ID 0x%02x does not match\n", s->devtype->name, val);
@@ -419,6 +437,10 @@ static const struct max310x_devtype max3107_devtype = {
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT | MAX310X_MODE1_IRQSEL_BIT,
.detect = max3107_detect,
.power = max310x_power,
+ .slave_addr = {
+ .min = 0x2c,
+ .max = 0x2f,
+ },
};
static const struct max310x_devtype max3108_devtype = {
@@ -427,6 +449,10 @@ static const struct max310x_devtype max3108_devtype = {
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT,
.detect = max3108_detect,
.power = max310x_power,
+ .slave_addr = {
+ .min = 0x60,
+ .max = 0x6f,
+ },
};
static const struct max310x_devtype max3109_devtype = {
@@ -435,6 +461,10 @@ static const struct max310x_devtype max3109_devtype = {
.mode1 = MAX310X_MODE1_AUTOSLEEP_BIT,
.detect = max3109_detect,
.power = max310x_power,
+ .slave_addr = {
+ .min = 0x60,
+ .max = 0x6f,
+ },
};
static const struct max310x_devtype max14830_devtype = {
@@ -443,11 +473,15 @@ static const struct max310x_devtype max14830_devtype = {
.mode1 = MAX310X_MODE1_IRQSEL_BIT,
.detect = max14830_detect,
.power = max14830_power,
+ .slave_addr = {
+ .min = 0x60,
+ .max = 0x6f,
+ },
};
static bool max310x_reg_writeable(struct device *dev, unsigned int reg)
{
- switch (reg & 0x1f) {
+ switch (reg) {
case MAX310X_IRQSTS_REG:
case MAX310X_LSR_IRQSTS_REG:
case MAX310X_SPCHR_IRQSTS_REG:
@@ -464,7 +498,7 @@ static bool max310x_reg_writeable(struct device *dev, unsigned int reg)
static bool max310x_reg_volatile(struct device *dev, unsigned int reg)
{
- switch (reg & 0x1f) {
+ switch (reg) {
case MAX310X_RHR_REG:
case MAX310X_IRQSTS_REG:
case MAX310X_LSR_IRQSTS_REG:
@@ -486,7 +520,7 @@ static bool max310x_reg_volatile(struct device *dev, unsigned int reg)
static bool max310x_reg_precious(struct device *dev, unsigned int reg)
{
- switch (reg & 0x1f) {
+ switch (reg) {
case MAX310X_RHR_REG:
case MAX310X_IRQSTS_REG:
case MAX310X_SPCHR_IRQSTS_REG:
@@ -499,6 +533,11 @@ static bool max310x_reg_precious(struct device *dev, unsigned int reg)
return false;
}
+static bool max310x_reg_noinc(struct device *dev, unsigned int reg)
+{
+ return reg == MAX310X_RHR_REG;
+}
+
static int max310x_set_baud(struct uart_port *port, int baud)
{
unsigned int mode = 0, div = 0, frac = 0, c = 0, F = 0;
@@ -552,7 +591,7 @@ static int max310x_update_best_err(unsigned long f, long *besterr)
return 1;
}
-static int max310x_set_ref_clk(struct device *dev, struct max310x_port *s,
+static s32 max310x_set_ref_clk(struct device *dev, struct max310x_port *s,
unsigned long freq, bool xtal)
{
unsigned int div, clksrc, pllcfg = 0;
@@ -610,45 +649,37 @@ static int max310x_set_ref_clk(struct device *dev, struct max310x_port *s,
/* Wait for crystal */
if (xtal) {
- unsigned int val;
- msleep(10);
- regmap_read(s->regmap, MAX310X_STS_IRQSTS_REG, &val);
- if (!(val & MAX310X_STS_CLKREADY_BIT)) {
- dev_warn(dev, "clock is not stable yet\n");
- }
+ bool stable = false;
+ unsigned int try = 0, val = 0;
+
+ do {
+ msleep(MAX310X_XTAL_WAIT_DELAY_MS);
+ regmap_read(s->regmap, MAX310X_STS_IRQSTS_REG, &val);
+
+ if (val & MAX310X_STS_CLKREADY_BIT)
+ stable = true;
+ } while (!stable && (++try < MAX310X_XTAL_WAIT_RETRIES));
+
+ if (!stable)
+ return dev_err_probe(dev, -EAGAIN,
+ "clock is not stable\n");
}
- return (int)bestfreq;
+ return bestfreq;
}
static void max310x_batch_write(struct uart_port *port, u8 *txbuf, unsigned int len)
{
struct max310x_one *one = to_max310x_port(port);
- struct spi_transfer xfer[] = {
- {
- .tx_buf = &one->wr_header,
- .len = sizeof(one->wr_header),
- }, {
- .tx_buf = txbuf,
- .len = len,
- }
- };
- spi_sync_transfer(to_spi_device(port->dev), xfer, ARRAY_SIZE(xfer));
+
+ regmap_noinc_write(one->regmap, MAX310X_THR_REG, txbuf, len);
}
static void max310x_batch_read(struct uart_port *port, u8 *rxbuf, unsigned int len)
{
struct max310x_one *one = to_max310x_port(port);
- struct spi_transfer xfer[] = {
- {
- .tx_buf = &one->rd_header,
- .len = sizeof(one->rd_header),
- }, {
- .rx_buf = rxbuf,
- .len = len,
- }
- };
- spi_sync_transfer(to_spi_device(port->dev), xfer, ARRAY_SIZE(xfer));
+
+ regmap_noinc_read(one->regmap, MAX310X_RHR_REG, rxbuf, len);
}
static void max310x_handle_rx(struct uart_port *port, unsigned int rxlen)
@@ -1250,16 +1281,18 @@ static int max310x_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
}
#endif
-static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
- struct regmap *regmap, int irq)
+static int max310x_probe(struct device *dev, const struct max310x_devtype *devtype,
+ const struct max310x_if_cfg *if_cfg,
+ struct regmap *regmaps[], int irq)
{
- int i, ret, fmin, fmax, freq, uartclk;
- struct clk *clk_osc, *clk_xtal;
+ int i, ret, fmin, fmax, freq;
struct max310x_port *s;
- bool xtal = false;
+ s32 uartclk = 0;
+ bool xtal;
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
+ for (i = 0; i < devtype->nr; i++)
+ if (IS_ERR(regmaps[i]))
+ return PTR_ERR(regmaps[i]);
/* Alloc port structure */
s = devm_kzalloc(dev, struct_size(s, p, devtype->nr), GFP_KERNEL);
@@ -1268,23 +1301,20 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
return -ENOMEM;
}
- clk_osc = devm_clk_get(dev, "osc");
- clk_xtal = devm_clk_get(dev, "xtal");
- if (!IS_ERR(clk_osc)) {
- s->clk = clk_osc;
- fmin = 500000;
- fmax = 35000000;
- } else if (!IS_ERR(clk_xtal)) {
- s->clk = clk_xtal;
- fmin = 1000000;
- fmax = 4000000;
- xtal = true;
- } else if (PTR_ERR(clk_osc) == -EPROBE_DEFER ||
- PTR_ERR(clk_xtal) == -EPROBE_DEFER) {
- return -EPROBE_DEFER;
+ /* Always ask for fixed clock rate from a property. */
+ device_property_read_u32(dev, "clock-frequency", &uartclk);
+
+ s->clk = devm_clk_get_optional(dev, "osc");
+ if (IS_ERR(s->clk))
+ return PTR_ERR(s->clk);
+ if (s->clk) {
+ xtal = false;
} else {
- dev_err(dev, "Cannot get clock\n");
- return -EINVAL;
+ s->clk = devm_clk_get_optional(dev, "xtal");
+ if (IS_ERR(s->clk))
+ return PTR_ERR(s->clk);
+
+ xtal = true;
}
ret = clk_prepare_enable(s->clk);
@@ -1292,14 +1322,31 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
return ret;
freq = clk_get_rate(s->clk);
+ if (freq == 0)
+ freq = uartclk;
+ if (freq == 0) {
+ dev_err(dev, "Cannot get clock rate\n");
+ ret = -EINVAL;
+ goto out_clk;
+ }
+
+ if (xtal) {
+ fmin = 1000000;
+ fmax = 4000000;
+ } else {
+ fmin = 500000;
+ fmax = 35000000;
+ }
+
/* Check frequency limits */
if (freq < fmin || freq > fmax) {
ret = -ERANGE;
goto out_clk;
}
- s->regmap = regmap;
+ s->regmap = regmaps[0];
s->devtype = devtype;
+ s->if_cfg = if_cfg;
dev_set_drvdata(dev, s);
/* Check device to ensure we are talking to what we expect */
@@ -1308,25 +1355,38 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
goto out_clk;
for (i = 0; i < devtype->nr; i++) {
- unsigned int offs = i << 5;
+ bool started = false;
+ unsigned int try = 0, val = 0;
/* Reset port */
- regmap_write(s->regmap, MAX310X_MODE2_REG + offs,
+ regmap_write(regmaps[i], MAX310X_MODE2_REG,
MAX310X_MODE2_RST_BIT);
/* Clear port reset */
- regmap_write(s->regmap, MAX310X_MODE2_REG + offs, 0);
+ regmap_write(regmaps[i], MAX310X_MODE2_REG, 0);
/* Wait for port startup */
do {
- regmap_read(s->regmap,
- MAX310X_BRGDIVLSB_REG + offs, &ret);
- } while (ret != 0x01);
+ msleep(MAX310X_PORT_STARTUP_WAIT_DELAY_MS);
+ regmap_read(regmaps[i], MAX310X_BRGDIVLSB_REG, &val);
+
+ if (val == 0x01)
+ started = true;
+ } while (!started && (++try < MAX310X_PORT_STARTUP_WAIT_RETRIES));
+
+ if (!started) {
+ ret = dev_err_probe(dev, -EAGAIN, "port reset failed\n");
+ goto out_uart;
+ }
- regmap_write(s->regmap, MAX310X_MODE1_REG + offs,
- devtype->mode1);
+ regmap_write(regmaps[i], MAX310X_MODE1_REG, devtype->mode1);
}
uartclk = max310x_set_ref_clk(dev, s, freq, xtal);
+ if (uartclk < 0) {
+ ret = uartclk;
+ goto out_uart;
+ }
+
dev_dbg(dev, "Reference clock set to %i Hz\n", uartclk);
for (i = 0; i < devtype->nr; i++) {
@@ -1346,11 +1406,13 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
s->p[i].port.fifosize = MAX310X_FIFO_SIZE;
s->p[i].port.flags = UPF_FIXED_TYPE | UPF_LOW_LATENCY;
s->p[i].port.iotype = UPIO_PORT;
- s->p[i].port.iobase = i * 0x20;
+ s->p[i].port.iobase = i;
s->p[i].port.membase = (void __iomem *)~0;
s->p[i].port.uartclk = uartclk;
s->p[i].port.rs485_config = max310x_rs485_config;
s->p[i].port.ops = &max310x_ops;
+ s->p[i].regmap = regmaps[i];
+
/* Disable all interrupts */
max310x_port_write(&s->p[i].port, MAX310X_IRQEN_REG, 0);
/* Clear IRQ status register */
@@ -1361,10 +1423,6 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
INIT_WORK(&s->p[i].md_work, max310x_md_proc);
/* Initialize queue for changing RS485 mode */
INIT_WORK(&s->p[i].rs_work, max310x_rs_proc);
- /* Initialize SPI-transfer buffers */
- s->p[i].wr_header = (s->p[i].port.iobase + MAX310X_THR_REG) |
- MAX310X_WRITE_BIT;
- s->p[i].rd_header = (s->p[i].port.iobase + MAX310X_RHR_REG);
/* Register port */
ret = uart_add_one_port(&max310x_uart, &s->p[i].port);
@@ -1402,7 +1460,7 @@ static int max310x_probe(struct device *dev, struct max310x_devtype *devtype,
if (!ret)
return 0;
- dev_err(dev, "Unable to reguest IRQ %i\n", irq);
+ dev_err(dev, "Unable to request IRQ %i\n", irq);
out_uart:
for (i = 0; i < devtype->nr; i++) {
@@ -1451,16 +1509,35 @@ static struct regmap_config regcfg = {
.val_bits = 8,
.write_flag_mask = MAX310X_WRITE_BIT,
.cache_type = REGCACHE_RBTREE,
+ .max_register = MAX310X_REG_1F,
.writeable_reg = max310x_reg_writeable,
.volatile_reg = max310x_reg_volatile,
.precious_reg = max310x_reg_precious,
+ .writeable_noinc_reg = max310x_reg_noinc,
+ .readable_noinc_reg = max310x_reg_noinc,
+ .max_raw_read = MAX310X_FIFO_SIZE,
+ .max_raw_write = MAX310X_FIFO_SIZE,
};
#ifdef CONFIG_SPI_MASTER
+static int max310x_spi_extended_reg_enable(struct device *dev, bool enable)
+{
+ struct max310x_port *s = dev_get_drvdata(dev);
+
+ return regmap_write(s->regmap, MAX310X_GLOBALCMD_REG,
+ enable ? MAX310X_EXTREG_ENBL : MAX310X_EXTREG_DSBL);
+}
+
+static const struct max310x_if_cfg __maybe_unused max310x_spi_if_cfg = {
+ .extended_reg_enable = max310x_spi_extended_reg_enable,
+ .rev_id_reg = MAX310X_SPI_REVID_EXTREG,
+};
+
static int max310x_spi_probe(struct spi_device *spi)
{
- struct max310x_devtype *devtype;
- struct regmap *regmap;
+ const struct max310x_devtype *devtype;
+ struct regmap *regmaps[4];
+ unsigned int i;
int ret;
/* Setup SPI bus */
@@ -1471,23 +1548,18 @@ static int max310x_spi_probe(struct spi_device *spi)
if (ret)
return ret;
- if (spi->dev.of_node) {
- const struct of_device_id *of_id =
- of_match_device(max310x_dt_ids, &spi->dev);
- if (!of_id)
- return -ENODEV;
+ devtype = device_get_match_data(&spi->dev);
+ if (!devtype)
+ devtype = (struct max310x_devtype *)spi_get_device_id(spi)->driver_data;
- devtype = (struct max310x_devtype *)of_id->data;
- } else {
- const struct spi_device_id *id_entry = spi_get_device_id(spi);
-
- devtype = (struct max310x_devtype *)id_entry->driver_data;
+ for (i = 0; i < devtype->nr; i++) {
+ u8 port_mask = i * 0x20;
+ regcfg.read_flag_mask = port_mask;
+ regcfg.write_flag_mask = port_mask | MAX310X_WRITE_BIT;
+ regmaps[i] = devm_regmap_init_spi(spi, &regcfg);
}
- regcfg.max_register = devtype->nr * 0x20 - 1;
- regmap = devm_regmap_init_spi(spi, &regcfg);
-
- return max310x_probe(&spi->dev, devtype, regmap, spi->irq);
+ return max310x_probe(&spi->dev, devtype, &max310x_spi_if_cfg, regmaps, spi->irq);
}
static int max310x_spi_remove(struct spi_device *spi)
@@ -1507,7 +1579,7 @@ MODULE_DEVICE_TABLE(spi, max310x_id_table);
static struct spi_driver max310x_spi_driver = {
.driver = {
.name = MAX310X_NAME,
- .of_match_table = of_match_ptr(max310x_dt_ids),
+ .of_match_table = max310x_dt_ids,
.pm = &max310x_pm_ops,
},
.probe = max310x_spi_probe,
@@ -1516,6 +1588,104 @@ static struct spi_driver max310x_spi_driver = {
};
#endif
+#ifdef CONFIG_I2C
+static int max310x_i2c_extended_reg_enable(struct device *dev, bool enable)
+{
+ return 0;
+}
+
+static struct regmap_config regcfg_i2c = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .cache_type = REGCACHE_RBTREE,
+ .writeable_reg = max310x_reg_writeable,
+ .volatile_reg = max310x_reg_volatile,
+ .precious_reg = max310x_reg_precious,
+ .max_register = MAX310X_I2C_REVID_EXTREG,
+ .writeable_noinc_reg = max310x_reg_noinc,
+ .readable_noinc_reg = max310x_reg_noinc,
+ .max_raw_read = MAX310X_FIFO_SIZE,
+ .max_raw_write = MAX310X_FIFO_SIZE,
+};
+
+static const struct max310x_if_cfg max310x_i2c_if_cfg = {
+ .extended_reg_enable = max310x_i2c_extended_reg_enable,
+ .rev_id_reg = MAX310X_I2C_REVID_EXTREG,
+};
+
+static unsigned short max310x_i2c_slave_addr(unsigned short addr,
+ unsigned int nr)
+{
+ /*
+ * For MAX14830 and MAX3109, the slave address depends on what the
+ * A0 and A1 pins are tied to.
+ * See Table I2C Address Map of the datasheet.
+ * Based on that table, the following formulas were determined.
+ * UART1 - UART0 = 0x10
+ * UART2 - UART1 = 0x20 + 0x10
+ * UART3 - UART2 = 0x10
+ */
+
+ addr -= nr * 0x10;
+
+ if (nr >= 2)
+ addr -= 0x20;
+
+ return addr;
+}
+
+static int max310x_i2c_probe(struct i2c_client *client)
+{
+ const struct max310x_devtype *devtype;
+ struct i2c_client *port_client;
+ struct regmap *regmaps[4];
+ unsigned int i;
+ u8 port_addr;
+
+ devtype = device_get_match_data(&client->dev);
+ if (!devtype)
+ return dev_err_probe(&client->dev, -ENODEV, "Failed to match device\n");
+
+ if (client->addr < devtype->slave_addr.min ||
+ client->addr > devtype->slave_addr.max)
+ return dev_err_probe(&client->dev, -EINVAL,
+ "Slave addr 0x%x outside of range [0x%x, 0x%x]\n",
+ client->addr, devtype->slave_addr.min,
+ devtype->slave_addr.max);
+
+ regmaps[0] = devm_regmap_init_i2c(client, &regcfg_i2c);
+
+ for (i = 1; i < devtype->nr; i++) {
+ port_addr = max310x_i2c_slave_addr(client->addr, i);
+ port_client = devm_i2c_new_dummy_device(&client->dev,
+ client->adapter,
+ port_addr);
+
+ regmaps[i] = devm_regmap_init_i2c(port_client, &regcfg_i2c);
+ }
+
+ return max310x_probe(&client->dev, devtype, &max310x_i2c_if_cfg,
+ regmaps, client->irq);
+}
+
+static int max310x_i2c_remove(struct i2c_client *client)
+{
+ max310x_remove(&client->dev);
+
+ return 0;
+}
+
+static struct i2c_driver max310x_i2c_driver = {
+ .driver = {
+ .name = MAX310X_NAME,
+ .of_match_table = max310x_dt_ids,
+ .pm = &max310x_pm_ops,
+ },
+ .probe_new = max310x_i2c_probe,
+ .remove = max310x_i2c_remove,
+};
+#endif
+
static int __init max310x_uart_init(void)
{
int ret;
@@ -1529,15 +1699,35 @@ static int __init max310x_uart_init(void)
#ifdef CONFIG_SPI_MASTER
ret = spi_register_driver(&max310x_spi_driver);
if (ret)
- uart_unregister_driver(&max310x_uart);
+ goto err_spi_register;
+#endif
+
+#ifdef CONFIG_I2C
+ ret = i2c_add_driver(&max310x_i2c_driver);
+ if (ret)
+ goto err_i2c_register;
+#endif
+
+ return 0;
+
+#ifdef CONFIG_I2C
+err_i2c_register:
+ spi_unregister_driver(&max310x_spi_driver);
#endif
+err_spi_register:
+ uart_unregister_driver(&max310x_uart);
+
return ret;
}
module_init(max310x_uart_init);
static void __exit max310x_uart_exit(void)
{
+#ifdef CONFIG_I2C
+ i2c_del_driver(&max310x_i2c_driver);
+#endif
+
#ifdef CONFIG_SPI_MASTER
spi_unregister_driver(&max310x_spi_driver);
#endif
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index b784323a6..be6c8b9f1 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1122,11 +1122,13 @@ static void mxs_auart_set_ldisc(struct uart_port *port,
static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
{
- u32 istat;
+ u32 istat, stat;
struct mxs_auart_port *s = context;
u32 mctrl_temp = s->mctrl_prev;
- u32 stat = mxs_read(s, REG_STAT);
+ uart_port_lock(&s->port);
+
+ stat = mxs_read(s, REG_STAT);
istat = mxs_read(s, REG_INTR);
/* ack irq */
@@ -1162,6 +1164,8 @@ static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
istat &= ~AUART_INTR_TXIS;
}
+ uart_port_unlock(&s->port);
+
return IRQ_HANDLED;
}
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index d6aef8a1f..1d0717fc3 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -217,7 +217,6 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
{
struct tty_port *port;
unsigned char ch, r1, drop, flag;
- int loops = 0;
/* Sanity check, make sure the old bug is no longer happening */
if (uap->port.state == NULL) {
@@ -298,25 +297,12 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
if (r1 & Rx_OVR)
tty_insert_flip_char(port, 0, TTY_OVERRUN);
next_char:
- /* We can get stuck in an infinite loop getting char 0 when the
- * line is in a wrong HW state, we break that here.
- * When that happens, I disable the receive side of the driver.
- * Note that what I've been experiencing is a real irq loop where
- * I'm getting flooded regardless of the actual port speed.
- * Something strange is going on with the HW
- */
- if ((++loops) > 1000)
- goto flood;
ch = read_zsreg(uap, R0);
if (!(ch & Rx_CH_AV))
break;
}
return true;
- flood:
- pmz_interrupt_control(uap, 0);
- pmz_error("pmz: rx irq flood !\n");
- return true;
}
static void pmz_status_handle(struct uart_pmac_port *uap)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index fa5b1321d..5388eb7fa 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -922,11 +922,10 @@ static unsigned int s3c24xx_serial_tx_empty(struct uart_port *port)
if ((ufstat & info->tx_fifomask) != 0 ||
(ufstat & info->tx_fifofull))
return 0;
-
- return 1;
+ return TIOCSER_TEMT;
}
- return s3c24xx_serial_txempty_nofifo(port);
+ return s3c24xx_serial_txempty_nofifo(port) ? TIOCSER_TEMT : 0;
}
/* no modem control lines */
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index fd9be81bc..29f05db0d 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -24,6 +24,7 @@
#include <linux/tty_flip.h>
#include <linux/spi/spi.h>
#include <linux/uaccess.h>
+#include <linux/units.h>
#include <uapi/linux/sched/types.h>
#define SC16IS7XX_NAME "sc16is7xx"
@@ -375,9 +376,7 @@ static void sc16is7xx_fifo_read(struct uart_port *port, unsigned int rxlen)
const u8 line = sc16is7xx_line(port);
u8 addr = (SC16IS7XX_RHR_REG << SC16IS7XX_REG_SHIFT) | line;
- regcache_cache_bypass(s->regmap, true);
- regmap_raw_read(s->regmap, addr, s->buf, rxlen);
- regcache_cache_bypass(s->regmap, false);
+ regmap_noinc_read(s->regmap, addr, s->buf, rxlen);
}
static void sc16is7xx_fifo_write(struct uart_port *port, u8 to_send)
@@ -393,9 +392,7 @@ static void sc16is7xx_fifo_write(struct uart_port *port, u8 to_send)
if (unlikely(!to_send))
return;
- regcache_cache_bypass(s->regmap, true);
- regmap_raw_write(s->regmap, addr, s->buf, to_send);
- regcache_cache_bypass(s->regmap, false);
+ regmap_noinc_write(s->regmap, addr, s->buf, to_send);
}
static void sc16is7xx_port_update(struct uart_port *port, u8 reg,
@@ -488,6 +485,11 @@ static bool sc16is7xx_regmap_precious(struct device *dev, unsigned int reg)
return false;
}
+static bool sc16is7xx_regmap_noinc(struct device *dev, unsigned int reg)
+{
+ return reg == SC16IS7XX_RHR_REG;
+}
+
static int sc16is7xx_set_baud(struct uart_port *port, int baud)
{
struct sc16is7xx_port *s = dev_get_drvdata(port->dev);
@@ -1438,6 +1440,8 @@ static struct regmap_config regcfg = {
.cache_type = REGCACHE_RBTREE,
.volatile_reg = sc16is7xx_regmap_volatile,
.precious_reg = sc16is7xx_regmap_precious,
+ .writeable_noinc_reg = sc16is7xx_regmap_noinc,
+ .readable_noinc_reg = sc16is7xx_regmap_noinc,
};
#ifdef CONFIG_SERIAL_SC16IS7XX_SPI
@@ -1449,9 +1453,12 @@ static int sc16is7xx_spi_probe(struct spi_device *spi)
/* Setup SPI bus */
spi->bits_per_word = 8;
- /* only supports mode 0 on SC16IS762 */
+ /* For all variants, only mode 0 is supported */
+ if ((spi->mode & SPI_MODE_X_MASK) != SPI_MODE_0)
+ return dev_err_probe(&spi->dev, -EINVAL, "Unsupported SPI mode\n");
+
spi->mode = spi->mode ? : SPI_MODE_0;
- spi->max_speed_hz = spi->max_speed_hz ? : 15000000;
+ spi->max_speed_hz = spi->max_speed_hz ? : 4 * HZ_PER_MHZ;
ret = spi_setup(spi);
if (ret)
return ret;
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 40fff3858..10b8785b9 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2431,7 +2431,12 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
port->type = PORT_UNKNOWN;
flags |= UART_CONFIG_TYPE;
}
+ /* Synchronize with possible boot console. */
+ if (uart_console(port))
+ console_lock();
port->ops->config_port(port, flags);
+ if (uart_console(port))
+ console_unlock();
}
if (port->type != PORT_UNKNOWN) {
@@ -2439,6 +2444,10 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
uart_report_port(drv, port);
+ /* Synchronize with possible boot console. */
+ if (uart_console(port))
+ console_lock();
+
/* Power up port for set_mctrl() */
uart_change_pm(state, UART_PM_STATE_ON);
@@ -2455,6 +2464,9 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
port->rs485_config(port, &port->rs485);
spin_unlock_irqrestore(&port->lock, flags);
+ if (uart_console(port))
+ console_unlock();
+
/*
* If this driver supports console, and it hasn't been
* successfully registered yet, try to re-register it.
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 12a30329a..7ae2630cb 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -763,7 +763,7 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
ret = -EFAULT;
return ret;
case TIOCSLCKTRMIOS:
- if (!capable(CAP_SYS_ADMIN))
+ if (!checkpoint_restore_ns_capable(&init_user_ns))
return -EPERM;
copy_termios_locked(real_tty, &kterm);
if (user_termios_to_kernel_termios(&kterm,
@@ -780,7 +780,7 @@ int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
ret = -EFAULT;
return ret;
case TIOCSLCKTRMIOS:
- if (!capable(CAP_SYS_ADMIN))
+ if (!checkpoint_restore_ns_capable(&init_user_ns))
return -EPERM;
copy_termios_locked(real_tty, &kterm);
if (user_termios_to_kernel_termios_1(&kterm,
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 0252c0562..a070f2e7d 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -398,7 +398,7 @@ static void vc_uniscr_delete(struct vc_data *vc, unsigned int nr)
char32_t *ln = uniscr->lines[vc->state.y];
unsigned int x = vc->state.x, cols = vc->vc_cols;
- memcpy(&ln[x], &ln[x + nr], (cols - x - nr) * sizeof(*ln));
+ memmove(&ln[x], &ln[x + nr], (cols - x - nr) * sizeof(*ln));
memset32(&ln[cols - nr], ' ', nr);
}
}
@@ -2516,7 +2516,7 @@ static void do_con_trol(struct tty_struct *tty, struct vc_data *vc, int c)
}
return;
case EScsiignore:
- if (c >= 20 && c <= 0x3f)
+ if (c >= 0x20 && c <= 0x3f)
return;
vc->vc_state = ESnormal;
return;
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 30d3516c7..4241c513b 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -364,7 +364,7 @@ static int cdns3_ep0_feature_handle_endpoint(struct cdns3_device *priv_dev,
if (le16_to_cpu(ctrl->wValue) != USB_ENDPOINT_HALT)
return -EINVAL;
- if (!(ctrl->wIndex & ~USB_DIR_IN))
+ if (!(le16_to_cpu(ctrl->wIndex) & ~USB_DIR_IN))
return 0;
index = cdns3_ep_addr_to_index(le16_to_cpu(ctrl->wIndex));
@@ -790,7 +790,7 @@ int cdns3_gadget_ep_set_wedge(struct usb_ep *ep)
return 0;
}
-const struct usb_ep_ops cdns3_gadget_ep0_ops = {
+static const struct usb_ep_ops cdns3_gadget_ep0_ops = {
.enable = cdns3_gadget_ep0_enable,
.disable = cdns3_gadget_ep0_disable,
.alloc_request = cdns3_gadget_ep_alloc_request,
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 210c1d615..eeea89224 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -837,7 +837,11 @@ void cdns3_gadget_giveback(struct cdns3_endpoint *priv_ep,
return;
}
- if (request->complete) {
+ /*
+ * zlp request is appended by driver, needn't call usb_gadget_giveback_request() to notify
+ * gadget composite driver.
+ */
+ if (request->complete && request->buf != priv_dev->zlp_buf) {
spin_unlock(&priv_dev->lock);
usb_gadget_giveback_request(&priv_ep->endpoint,
request);
@@ -1118,6 +1122,8 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
dma_addr_t trb_dma;
u32 togle_pcs = 1;
int sg_iter = 0;
+ int num_trb_req;
+ int trb_burst;
int num_trb;
int address;
u32 control;
@@ -1126,15 +1132,13 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
struct scatterlist *s = NULL;
bool sg_supported = !!(request->num_mapped_sgs);
+ num_trb_req = sg_supported ? request->num_mapped_sgs : 1;
+
+ /* ISO transfer require each SOF have a TD, each TD include some TRBs */
if (priv_ep->type == USB_ENDPOINT_XFER_ISOC)
- num_trb = priv_ep->interval;
+ num_trb = priv_ep->interval * num_trb_req;
else
- num_trb = sg_supported ? request->num_mapped_sgs : 1;
-
- if (num_trb > priv_ep->free_trbs) {
- priv_ep->flags |= EP_RING_FULL;
- return -ENOBUFS;
- }
+ num_trb = num_trb_req;
priv_req = to_cdns3_request(request);
address = priv_ep->endpoint.desc->bEndpointAddress;
@@ -1183,14 +1187,31 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
link_trb->control = cpu_to_le32(((priv_ep->pcs) ? TRB_CYCLE : 0) |
TRB_TYPE(TRB_LINK) | TRB_TOGGLE | ch_bit);
+
+ if (priv_ep->type == USB_ENDPOINT_XFER_ISOC) {
+ /*
+ * ISO require LINK TRB must be first one of TD.
+ * Fill LINK TRBs for left trb space to simply software process logic.
+ */
+ while (priv_ep->enqueue) {
+ *trb = *link_trb;
+ trace_cdns3_prepare_trb(priv_ep, trb);
+
+ cdns3_ep_inc_enq(priv_ep);
+ trb = priv_ep->trb_pool + priv_ep->enqueue;
+ priv_req->trb = trb;
+ }
+ }
+ }
+
+ if (num_trb > priv_ep->free_trbs) {
+ priv_ep->flags |= EP_RING_FULL;
+ return -ENOBUFS;
}
if (priv_dev->dev_ver <= DEV_VER_V2)
togle_pcs = cdns3_wa1_update_guard(priv_ep, trb);
- if (sg_supported)
- s = request->sg;
-
/* set incorrect Cycle Bit for first trb*/
control = priv_ep->pcs ? 0 : TRB_CYCLE;
trb->length = 0;
@@ -1200,7 +1221,7 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
td_size = DIV_ROUND_UP(request->length,
priv_ep->endpoint.maxpacket);
if (priv_dev->gadget.speed == USB_SPEED_SUPER)
- trb->length = TRB_TDL_SS_SIZE(td_size);
+ trb->length = cpu_to_le32(TRB_TDL_SS_SIZE(td_size));
else
control |= TRB_TDL_HS_SIZE(td_size);
}
@@ -1208,6 +1229,9 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
do {
u32 length;
+ if (!(sg_iter % num_trb_req) && sg_supported)
+ s = request->sg;
+
/* fill TRB */
control |= TRB_TYPE(TRB_NORMAL);
if (sg_supported) {
@@ -1222,7 +1246,36 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
total_tdl += DIV_ROUND_UP(length,
priv_ep->endpoint.maxpacket);
- trb->length |= cpu_to_le32(TRB_BURST_LEN(priv_ep->trb_burst_size) |
+ trb_burst = priv_ep->trb_burst_size;
+
+ /*
+ * Supposed DMA cross 4k bounder problem should be fixed at DEV_VER_V2, but still
+ * met problem when do ISO transfer if sg enabled.
+ *
+ * Data pattern likes below when sg enabled, package size is 1k and mult is 2
+ * [UVC Header(8B) ] [data(3k - 8)] ...
+ *
+ * The received data at offset 0xd000 will get 0xc000 data, len 0x70. Error happen
+ * as below pattern:
+ * 0xd000: wrong
+ * 0xe000: wrong
+ * 0xf000: correct
+ * 0x10000: wrong
+ * 0x11000: wrong
+ * 0x12000: correct
+ * ...
+ *
+ * But it is still unclear about why error have not happen below 0xd000, it should
+ * cross 4k bounder. But anyway, the below code can fix this problem.
+ *
+ * To avoid DMA cross 4k bounder at ISO transfer, reduce burst len according to 16.
+ */
+ if (priv_ep->type == USB_ENDPOINT_XFER_ISOC && priv_dev->dev_ver <= DEV_VER_V2)
+ if (ALIGN_DOWN(trb->buffer, SZ_4K) !=
+ ALIGN_DOWN(trb->buffer + length, SZ_4K))
+ trb_burst = 16;
+
+ trb->length |= cpu_to_le32(TRB_BURST_LEN(trb_burst) |
TRB_LEN(length));
pcs = priv_ep->pcs ? TRB_CYCLE : 0;
@@ -1247,10 +1300,10 @@ static int cdns3_ep_run_transfer(struct cdns3_endpoint *priv_ep,
priv_req->trb->control = cpu_to_le32(control);
if (sg_supported) {
- trb->control |= TRB_ISP;
+ trb->control |= cpu_to_le32(TRB_ISP);
/* Don't set chain bit for last TRB */
- if (sg_iter < num_trb - 1)
- trb->control |= TRB_CHAIN;
+ if ((sg_iter % num_trb_req) < num_trb_req - 1)
+ trb->control |= cpu_to_le32(TRB_CHAIN);
s = sg_next(s);
}
@@ -1507,6 +1560,12 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev,
/* The TRB was changed as link TRB, and the request was handled at ep_dequeue */
while (TRB_FIELD_TO_TYPE(le32_to_cpu(trb->control)) == TRB_LINK) {
+
+ /* ISO ep_traddr may stop at LINK TRB */
+ if (priv_ep->dequeue == cdns3_get_dma_pos(priv_dev, priv_ep) &&
+ priv_ep->type == USB_ENDPOINT_XFER_ISOC)
+ break;
+
trace_cdns3_complete_trb(priv_ep, trb);
cdns3_ep_inc_deq(priv_ep);
trb = priv_ep->trb_pool + priv_ep->dequeue;
@@ -1539,6 +1598,10 @@ static void cdns3_transfer_completed(struct cdns3_device *priv_dev,
}
if (request_handled) {
+ /* TRBs are duplicated by priv_ep->interval time for ISO IN */
+ if (priv_ep->type == USB_ENDPOINT_XFER_ISOC && priv_ep->dir)
+ request->actual /= priv_ep->interval;
+
cdns3_gadget_giveback(priv_ep, priv_req, 0);
request_handled = false;
transfer_end = false;
@@ -2034,11 +2097,10 @@ int cdns3_ep_config(struct cdns3_endpoint *priv_ep, bool enable)
bool is_iso_ep = (priv_ep->type == USB_ENDPOINT_XFER_ISOC);
struct cdns3_device *priv_dev = priv_ep->cdns3_dev;
u32 bEndpointAddress = priv_ep->num | priv_ep->dir;
- u32 max_packet_size = 0;
- u8 maxburst = 0;
+ u32 max_packet_size = priv_ep->wMaxPacketSize;
+ u8 maxburst = priv_ep->bMaxBurst;
u32 ep_cfg = 0;
u8 buffering;
- u8 mult = 0;
int ret;
buffering = priv_dev->ep_buf_size - 1;
@@ -2060,8 +2122,7 @@ int cdns3_ep_config(struct cdns3_endpoint *priv_ep, bool enable)
break;
default:
ep_cfg = EP_CFG_EPTYPE(USB_ENDPOINT_XFER_ISOC);
- mult = priv_dev->ep_iso_burst - 1;
- buffering = mult + 1;
+ buffering = (priv_ep->bMaxBurst + 1) * (priv_ep->mult + 1) - 1;
}
switch (priv_dev->gadget.speed) {
@@ -2072,17 +2133,8 @@ int cdns3_ep_config(struct cdns3_endpoint *priv_ep, bool enable)
max_packet_size = is_iso_ep ? 1024 : 512;
break;
case USB_SPEED_SUPER:
- /* It's limitation that driver assumes in driver. */
- mult = 0;
- max_packet_size = 1024;
- if (priv_ep->type == USB_ENDPOINT_XFER_ISOC) {
- maxburst = priv_dev->ep_iso_burst - 1;
- buffering = (mult + 1) *
- (maxburst + 1);
-
- if (priv_ep->interval > 1)
- buffering++;
- } else {
+ if (priv_ep->type != USB_ENDPOINT_XFER_ISOC) {
+ max_packet_size = 1024;
maxburst = priv_dev->ep_buf_size - 1;
}
break;
@@ -2111,7 +2163,6 @@ int cdns3_ep_config(struct cdns3_endpoint *priv_ep, bool enable)
if (priv_dev->dev_ver < DEV_VER_V2)
priv_ep->trb_burst_size = 16;
- mult = min_t(u8, mult, EP_CFG_MULT_MAX);
buffering = min_t(u8, buffering, EP_CFG_BUFFERING_MAX);
maxburst = min_t(u8, maxburst, EP_CFG_MAXBURST_MAX);
@@ -2145,7 +2196,7 @@ int cdns3_ep_config(struct cdns3_endpoint *priv_ep, bool enable)
}
ep_cfg |= EP_CFG_MAXPKTSIZE(max_packet_size) |
- EP_CFG_MULT(mult) |
+ EP_CFG_MULT(priv_ep->mult) | /* must match EP setting */
EP_CFG_BUFFERING(buffering) |
EP_CFG_MAXBURST(maxburst);
@@ -2235,6 +2286,13 @@ usb_ep *cdns3_gadget_match_ep(struct usb_gadget *gadget,
priv_ep->type = usb_endpoint_type(desc);
priv_ep->flags |= EP_CLAIMED;
priv_ep->interval = desc->bInterval ? BIT(desc->bInterval - 1) : 0;
+ priv_ep->wMaxPacketSize = usb_endpoint_maxp(desc);
+ priv_ep->mult = USB_EP_MAXP_MULT(priv_ep->wMaxPacketSize);
+ priv_ep->wMaxPacketSize &= USB_ENDPOINT_MAXP_MASK;
+ if (priv_ep->type == USB_ENDPOINT_XFER_ISOC && comp_desc) {
+ priv_ep->mult = USB_SS_MULT(comp_desc->bmAttributes) - 1;
+ priv_ep->bMaxBurst = comp_desc->bMaxBurst;
+ }
spin_unlock_irqrestore(&priv_dev->lock, flags);
return &priv_ep->endpoint;
@@ -2484,11 +2542,11 @@ static int cdns3_gadget_ep_disable(struct usb_ep *ep)
while (!list_empty(&priv_ep->wa2_descmiss_req_list)) {
priv_req = cdns3_next_priv_request(&priv_ep->wa2_descmiss_req_list);
+ list_del_init(&priv_req->list);
kfree(priv_req->request.buf);
cdns3_gadget_ep_free_request(&priv_ep->endpoint,
&priv_req->request);
- list_del_init(&priv_req->list);
--priv_ep->wa2_counter;
}
@@ -3001,23 +3059,43 @@ static int cdns3_gadget_udc_stop(struct usb_gadget *gadget)
static int cdns3_gadget_check_config(struct usb_gadget *gadget)
{
struct cdns3_device *priv_dev = gadget_to_cdns3_device(gadget);
+ struct cdns3_endpoint *priv_ep;
struct usb_ep *ep;
int n_in = 0;
+ int iso = 0;
+ int out = 1;
int total;
+ int n;
list_for_each_entry(ep, &gadget->ep_list, ep_list) {
- if (ep->claimed && (ep->address & USB_DIR_IN))
- n_in++;
+ priv_ep = ep_to_cdns3_ep(ep);
+ if (!(priv_ep->flags & EP_CLAIMED))
+ continue;
+
+ n = (priv_ep->mult + 1) * (priv_ep->bMaxBurst + 1);
+ if (ep->address & USB_DIR_IN) {
+ /*
+ * ISO transfer: DMA start move data when get ISO, only transfer
+ * data as min(TD size, iso). No benefit for allocate bigger
+ * internal memory than 'iso'.
+ */
+ if (priv_ep->type == USB_ENDPOINT_XFER_ISOC)
+ iso += n;
+ else
+ n_in++;
+ } else {
+ if (priv_ep->type == USB_ENDPOINT_XFER_ISOC)
+ out = max_t(int, out, n);
+ }
}
/* 2KB are reserved for EP0, 1KB for out*/
- total = 2 + n_in + 1;
+ total = 2 + n_in + out + iso;
if (total > priv_dev->onchip_buffers)
return -ENOMEM;
- priv_dev->ep_buf_size = priv_dev->ep_iso_burst =
- (priv_dev->onchip_buffers - 2) / (n_in + 1);
+ priv_dev->ep_buf_size = (priv_dev->onchip_buffers - 2 - iso) / (n_in + out);
return 0;
}
diff --git a/drivers/usb/cdns3/gadget.h b/drivers/usb/cdns3/gadget.h
index 32825477e..aeb221122 100644
--- a/drivers/usb/cdns3/gadget.h
+++ b/drivers/usb/cdns3/gadget.h
@@ -1167,6 +1167,9 @@ struct cdns3_endpoint {
u8 dir;
u8 num;
u8 type;
+ u8 mult;
+ u8 bMaxBurst;
+ u16 wMaxPacketSize;
int interval;
int free_trbs;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 331f41c6c..eef78141f 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -46,8 +46,8 @@
#define USB_VENDOR_TEXAS_INSTRUMENTS 0x0451
#define USB_PRODUCT_TUSB8041_USB3 0x8140
#define USB_PRODUCT_TUSB8041_USB2 0x8142
-#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND 0x01
-#define HUB_QUIRK_DISABLE_AUTOSUSPEND 0x02
+#define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND BIT(0)
+#define HUB_QUIRK_DISABLE_AUTOSUSPEND BIT(1)
#define USB_TP_TRANSMISSION_DELAY 40 /* ns */
#define USB_TP_TRANSMISSION_DELAY_MAX 65535 /* ns */
@@ -116,7 +116,6 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
#define HUB_DEBOUNCE_STEP 25
#define HUB_DEBOUNCE_STABLE 100
-static void hub_release(struct kref *kref);
static int usb_reset_and_verify_device(struct usb_device *udev);
static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1,
@@ -678,14 +677,14 @@ static void kick_hub_wq(struct usb_hub *hub)
*/
intf = to_usb_interface(hub->intfdev);
usb_autopm_get_interface_no_resume(intf);
- kref_get(&hub->kref);
+ hub_get(hub);
if (queue_work(hub_wq, &hub->events))
return;
/* the work has already been scheduled */
usb_autopm_put_interface_async(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
void usb_kick_hub_wq(struct usb_device *hdev)
@@ -1053,7 +1052,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
goto init2;
goto init3;
}
- kref_get(&hub->kref);
+ hub_get(hub);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@@ -1301,7 +1300,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
device_unlock(&hdev->dev);
}
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
/* Implement the continuations for the delays above */
@@ -1717,6 +1716,16 @@ static void hub_release(struct kref *kref)
kfree(hub);
}
+void hub_get(struct usb_hub *hub)
+{
+ kref_get(&hub->kref);
+}
+
+void hub_put(struct usb_hub *hub)
+{
+ kref_put(&hub->kref, hub_release);
+}
+
static unsigned highspeed_hubs;
static void hub_disconnect(struct usb_interface *intf)
@@ -1763,7 +1772,7 @@ static void hub_disconnect(struct usb_interface *intf)
if (hub->quirk_disable_autosuspend)
usb_autopm_put_interface(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
}
static bool hub_descriptor_is_sane(struct usb_host_interface *desc)
@@ -2367,17 +2376,25 @@ static int usb_enumerate_device_otg(struct usb_device *udev)
}
} else if (desc->bLength == sizeof
(struct usb_otg_descriptor)) {
- /* Set a_alt_hnp_support for legacy otg device */
- err = usb_control_msg(udev,
- usb_sndctrlpipe(udev, 0),
- USB_REQ_SET_FEATURE, 0,
- USB_DEVICE_A_ALT_HNP_SUPPORT,
- 0, NULL, 0,
- USB_CTRL_SET_TIMEOUT);
- if (err < 0)
- dev_err(&udev->dev,
- "set a_alt_hnp_support failed: %d\n",
- err);
+ /*
+ * We are operating on a legacy OTP device
+ * These should be told that they are operating
+ * on the wrong port if we have another port that does
+ * support HNP
+ */
+ if (bus->otg_port != 0) {
+ /* Set a_alt_hnp_support for legacy otg device */
+ err = usb_control_msg(udev,
+ usb_sndctrlpipe(udev, 0),
+ USB_REQ_SET_FEATURE, 0,
+ USB_DEVICE_A_ALT_HNP_SUPPORT,
+ 0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
+ if (err < 0)
+ dev_err(&udev->dev,
+ "set a_alt_hnp_support failed: %d\n",
+ err);
+ }
}
}
#endif
@@ -5849,7 +5866,7 @@ out_hdev_lock:
/* Balance the stuff in kick_hub_wq() and allow autosuspend */
usb_autopm_put_interface(intf);
- kref_put(&hub->kref, hub_release);
+ hub_put(hub);
kcov_remote_stop();
}
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index db4c7e2c5..dd049bc85 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -117,6 +117,8 @@ extern void usb_hub_remove_port_device(struct usb_hub *hub,
extern int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub,
int port1, bool set);
extern struct usb_hub *usb_hub_to_struct_hub(struct usb_device *hdev);
+extern void hub_get(struct usb_hub *hub);
+extern void hub_put(struct usb_hub *hub);
extern int hub_port_debounce(struct usb_hub *hub, int port1,
bool must_be_connected);
extern int usb_clear_port_feature(struct usb_device *hdev,
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 235a7c645..86e8585a5 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -295,8 +295,10 @@ static void usb_port_shutdown(struct device *dev)
{
struct usb_port *port_dev = to_usb_port(dev);
- if (port_dev->child)
+ if (port_dev->child) {
usb_disable_usb2_hardware_lpm(port_dev->child);
+ usb_unlocked_disable_lpm(port_dev->child);
+ }
}
static const struct dev_pm_ops usb_port_pm_ops = {
@@ -450,7 +452,7 @@ static int match_location(struct usb_device *peer_hdev, void *p)
struct usb_hub *peer_hub = usb_hub_to_struct_hub(peer_hdev);
struct usb_device *hdev = to_usb_device(port_dev->dev.parent->parent);
- if (!peer_hub)
+ if (!peer_hub || port_dev->connect_type == USB_PORT_NOT_USED)
return 0;
hcd = bus_to_hcd(hdev->bus);
@@ -461,7 +463,8 @@ static int match_location(struct usb_device *peer_hdev, void *p)
for (port1 = 1; port1 <= peer_hdev->maxchild; port1++) {
peer = peer_hub->ports[port1 - 1];
- if (peer && peer->location == port_dev->location) {
+ if (peer && peer->connect_type != USB_PORT_NOT_USED &&
+ peer->location == port_dev->location) {
link_peers_report(port_dev, peer);
return 1; /* done */
}
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 35ce8b87e..366c09521 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -1166,14 +1166,24 @@ static ssize_t interface_authorized_store(struct device *dev,
{
struct usb_interface *intf = to_usb_interface(dev);
bool val;
+ struct kernfs_node *kn;
if (strtobool(buf, &val) != 0)
return -EINVAL;
- if (val)
+ if (val) {
usb_authorize_interface(intf);
- else
- usb_deauthorize_interface(intf);
+ } else {
+ /*
+ * Prevent deadlock if another process is concurrently
+ * trying to unregister intf.
+ */
+ kn = sysfs_break_active_protection(&dev->kobj, &attr->attr);
+ if (kn) {
+ usb_deauthorize_interface(intf);
+ sysfs_unbreak_active_protection(kn);
+ }
+ }
return count;
}
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 03d16a082..03cc331d3 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -748,8 +748,14 @@ struct dwc2_dregs_backup {
* struct dwc2_hregs_backup - Holds host registers state before
* entering partial power down
* @hcfg: Backup of HCFG register
+ * @hflbaddr: Backup of HFLBADDR register
* @haintmsk: Backup of HAINTMSK register
+ * @hcchar: Backup of HCCHAR register
+ * @hcsplt: Backup of HCSPLT register
* @hcintmsk: Backup of HCINTMSK register
+ * @hctsiz: Backup of HCTSIZ register
+ * @hdma: Backup of HCDMA register
+ * @hcdmab: Backup of HCDMAB register
* @hprt0: Backup of HPTR0 register
* @hfir: Backup of HFIR register
* @hptxfsiz: Backup of HPTXFSIZ register
@@ -757,8 +763,14 @@ struct dwc2_dregs_backup {
*/
struct dwc2_hregs_backup {
u32 hcfg;
+ u32 hflbaddr;
u32 haintmsk;
+ u32 hcchar[MAX_EPS_CHANNELS];
+ u32 hcsplt[MAX_EPS_CHANNELS];
u32 hcintmsk[MAX_EPS_CHANNELS];
+ u32 hctsiz[MAX_EPS_CHANNELS];
+ u32 hcidma[MAX_EPS_CHANNELS];
+ u32 hcidmab[MAX_EPS_CHANNELS];
u32 hprt0;
u32 hfir;
u32 hptxfsiz;
@@ -1097,6 +1109,7 @@ struct dwc2_hsotg {
bool needs_byte_swap;
/* DWC OTG HW Release versions */
+#define DWC2_CORE_REV_4_30a 0x4f54430a
#define DWC2_CORE_REV_2_71a 0x4f54271a
#define DWC2_CORE_REV_2_72a 0x4f54272a
#define DWC2_CORE_REV_2_80a 0x4f54280a
@@ -1335,6 +1348,7 @@ int dwc2_backup_global_registers(struct dwc2_hsotg *hsotg);
int dwc2_restore_global_registers(struct dwc2_hsotg *hsotg);
void dwc2_enable_acg(struct dwc2_hsotg *hsotg);
+void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg, bool remotewakeup);
/* This function should be called on every hardware interrupt. */
irqreturn_t dwc2_handle_common_intr(int irq, void *dev);
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index e3f429f15..8deb2ea21 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -344,10 +344,11 @@ static void dwc2_handle_session_req_intr(struct dwc2_hsotg *hsotg)
* @hsotg: Programming view of DWC_otg controller
*
*/
-static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg)
+void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg, bool remotewakeup)
{
u32 glpmcfg;
- u32 i = 0;
+ u32 pcgctl;
+ u32 dctl;
if (hsotg->lx_state != DWC2_L1) {
dev_err(hsotg->dev, "Core isn't in DWC2_L1 state\n");
@@ -356,37 +357,57 @@ static void dwc2_wakeup_from_lpm_l1(struct dwc2_hsotg *hsotg)
glpmcfg = dwc2_readl(hsotg, GLPMCFG);
if (dwc2_is_device_mode(hsotg)) {
- dev_dbg(hsotg->dev, "Exit from L1 state\n");
+ dev_dbg(hsotg->dev, "Exit from L1 state, remotewakeup=%d\n", remotewakeup);
glpmcfg &= ~GLPMCFG_ENBLSLPM;
- glpmcfg &= ~GLPMCFG_HIRD_THRES_EN;
+ glpmcfg &= ~GLPMCFG_HIRD_THRES_MASK;
dwc2_writel(hsotg, glpmcfg, GLPMCFG);
- do {
- glpmcfg = dwc2_readl(hsotg, GLPMCFG);
+ pcgctl = dwc2_readl(hsotg, PCGCTL);
+ pcgctl &= ~PCGCTL_ENBL_SLEEP_GATING;
+ dwc2_writel(hsotg, pcgctl, PCGCTL);
- if (!(glpmcfg & (GLPMCFG_COREL1RES_MASK |
- GLPMCFG_L1RESUMEOK | GLPMCFG_SLPSTS)))
- break;
+ glpmcfg = dwc2_readl(hsotg, GLPMCFG);
+ if (glpmcfg & GLPMCFG_ENBESL) {
+ glpmcfg |= GLPMCFG_RSTRSLPSTS;
+ dwc2_writel(hsotg, glpmcfg, GLPMCFG);
+ }
+
+ if (remotewakeup) {
+ if (dwc2_hsotg_wait_bit_set(hsotg, GLPMCFG, GLPMCFG_L1RESUMEOK, 1000)) {
+ dev_warn(hsotg->dev, "%s: timeout GLPMCFG_L1RESUMEOK\n", __func__);
+ goto fail;
+ return;
+ }
+
+ dctl = dwc2_readl(hsotg, DCTL);
+ dctl |= DCTL_RMTWKUPSIG;
+ dwc2_writel(hsotg, dctl, DCTL);
- udelay(1);
- } while (++i < 200);
+ if (dwc2_hsotg_wait_bit_set(hsotg, GINTSTS, GINTSTS_WKUPINT, 1000)) {
+ dev_warn(hsotg->dev, "%s: timeout GINTSTS_WKUPINT\n", __func__);
+ goto fail;
+ return;
+ }
+ }
- if (i == 200) {
- dev_err(hsotg->dev, "Failed to exit L1 sleep state in 200us.\n");
+ glpmcfg = dwc2_readl(hsotg, GLPMCFG);
+ if (glpmcfg & GLPMCFG_COREL1RES_MASK || glpmcfg & GLPMCFG_SLPSTS ||
+ glpmcfg & GLPMCFG_L1RESUMEOK) {
+ goto fail;
return;
}
- dwc2_gadget_init_lpm(hsotg);
+
+ /* Inform gadget to exit from L1 */
+ call_gadget(hsotg, resume);
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
+ hsotg->bus_suspended = false;
+fail: dwc2_gadget_init_lpm(hsotg);
} else {
/* TODO */
dev_err(hsotg->dev, "Host side LPM is not supported.\n");
return;
}
-
- /* Change to L0 state */
- hsotg->lx_state = DWC2_L0;
-
- /* Inform gadget to exit from L1 */
- call_gadget(hsotg, resume);
}
/*
@@ -407,7 +428,7 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
dev_dbg(hsotg->dev, "%s lxstate = %d\n", __func__, hsotg->lx_state);
if (hsotg->lx_state == DWC2_L1) {
- dwc2_wakeup_from_lpm_l1(hsotg);
+ dwc2_wakeup_from_lpm_l1(hsotg, false);
return;
}
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index da0df69cc..d8b836655 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1416,6 +1416,10 @@ static int dwc2_hsotg_ep_queue(struct usb_ep *ep, struct usb_request *req,
ep->name, req, req->length, req->buf, req->no_interrupt,
req->zero, req->short_not_ok);
+ if (hs->lx_state == DWC2_L1) {
+ dwc2_wakeup_from_lpm_l1(hs, true);
+ }
+
/* Prevent new request submission when controller is suspended */
if (hs->lx_state != DWC2_L0) {
dev_dbg(hs->dev, "%s: submit request only in active state\n",
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 14925fedb..9c32a64bc 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2736,8 +2736,11 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions(
hsotg->available_host_channels--;
}
qh = list_entry(qh_ptr, struct dwc2_qh, qh_list_entry);
- if (dwc2_assign_and_init_hc(hsotg, qh))
+ if (dwc2_assign_and_init_hc(hsotg, qh)) {
+ if (hsotg->params.uframe_sched)
+ hsotg->available_host_channels++;
break;
+ }
/*
* Move the QH from the periodic ready schedule to the
@@ -2770,8 +2773,11 @@ enum dwc2_transaction_type dwc2_hcd_select_transactions(
hsotg->available_host_channels--;
}
- if (dwc2_assign_and_init_hc(hsotg, qh))
+ if (dwc2_assign_and_init_hc(hsotg, qh)) {
+ if (hsotg->params.uframe_sched)
+ hsotg->available_host_channels++;
break;
+ }
/*
* Move the QH from the non-periodic inactive schedule to the
@@ -4125,6 +4131,8 @@ void dwc2_host_complete(struct dwc2_hsotg *hsotg, struct dwc2_qtd *qtd,
urb->actual_length);
if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
+ if (!hsotg->params.dma_desc_enable)
+ urb->start_frame = qtd->qh->start_active_frame;
urb->error_count = dwc2_hcd_urb_get_error_count(qtd->urb);
for (i = 0; i < urb->number_of_packets; ++i) {
urb->iso_frame_desc[i].actual_length =
@@ -5319,9 +5327,16 @@ int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg)
/* Backup Host regs */
hr = &hsotg->hr_backup;
hr->hcfg = dwc2_readl(hsotg, HCFG);
+ hr->hflbaddr = dwc2_readl(hsotg, HFLBADDR);
hr->haintmsk = dwc2_readl(hsotg, HAINTMSK);
- for (i = 0; i < hsotg->params.host_channels; ++i)
+ for (i = 0; i < hsotg->params.host_channels; ++i) {
+ hr->hcchar[i] = dwc2_readl(hsotg, HCCHAR(i));
+ hr->hcsplt[i] = dwc2_readl(hsotg, HCSPLT(i));
hr->hcintmsk[i] = dwc2_readl(hsotg, HCINTMSK(i));
+ hr->hctsiz[i] = dwc2_readl(hsotg, HCTSIZ(i));
+ hr->hcidma[i] = dwc2_readl(hsotg, HCDMA(i));
+ hr->hcidmab[i] = dwc2_readl(hsotg, HCDMAB(i));
+ }
hr->hprt0 = dwc2_read_hprt0(hsotg);
hr->hfir = dwc2_readl(hsotg, HFIR);
@@ -5355,10 +5370,17 @@ int dwc2_restore_host_registers(struct dwc2_hsotg *hsotg)
hr->valid = false;
dwc2_writel(hsotg, hr->hcfg, HCFG);
+ dwc2_writel(hsotg, hr->hflbaddr, HFLBADDR);
dwc2_writel(hsotg, hr->haintmsk, HAINTMSK);
- for (i = 0; i < hsotg->params.host_channels; ++i)
+ for (i = 0; i < hsotg->params.host_channels; ++i) {
+ dwc2_writel(hsotg, hr->hcchar[i], HCCHAR(i));
+ dwc2_writel(hsotg, hr->hcsplt[i], HCSPLT(i));
dwc2_writel(hsotg, hr->hcintmsk[i], HCINTMSK(i));
+ dwc2_writel(hsotg, hr->hctsiz[i], HCTSIZ(i));
+ dwc2_writel(hsotg, hr->hcidma[i], HCDMA(i));
+ dwc2_writel(hsotg, hr->hcidmab[i], HCDMAB(i));
+ }
dwc2_writel(hsotg, hr->hprt0, HPRT0);
dwc2_writel(hsotg, hr->hfir, HFIR);
@@ -5523,10 +5545,12 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
dwc2_writel(hsotg, hr->hcfg, HCFG);
/* De-assert Wakeup Logic */
- gpwrdn = dwc2_readl(hsotg, GPWRDN);
- gpwrdn &= ~GPWRDN_PMUACTV;
- dwc2_writel(hsotg, gpwrdn, GPWRDN);
- udelay(10);
+ if (!(rem_wakeup && hsotg->hw_params.snpsid >= DWC2_CORE_REV_4_30a)) {
+ gpwrdn = dwc2_readl(hsotg, GPWRDN);
+ gpwrdn &= ~GPWRDN_PMUACTV;
+ dwc2_writel(hsotg, gpwrdn, GPWRDN);
+ udelay(10);
+ }
hprt0 = hr->hprt0;
hprt0 |= HPRT0_PWR;
@@ -5551,6 +5575,13 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
hprt0 |= HPRT0_RES;
dwc2_writel(hsotg, hprt0, HPRT0);
+ /* De-assert Wakeup Logic */
+ if ((rem_wakeup && hsotg->hw_params.snpsid >= DWC2_CORE_REV_4_30a)) {
+ gpwrdn = dwc2_readl(hsotg, GPWRDN);
+ gpwrdn &= ~GPWRDN_PMUACTV;
+ dwc2_writel(hsotg, gpwrdn, GPWRDN);
+ udelay(10);
+ }
/* Wait for Resume time and then program HPRT again */
mdelay(100);
hprt0 &= ~HPRT0_RES;
diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index a858b5f9c..d6fa02d85 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -589,7 +589,7 @@ static void dwc2_init_isoc_dma_desc(struct dwc2_hsotg *hsotg,
idx = qh->td_last;
inc = qh->host_interval;
hsotg->frame_number = dwc2_hcd_get_frame_number(hsotg);
- cur_idx = dwc2_frame_list_idx(hsotg->frame_number);
+ cur_idx = idx;
next_idx = dwc2_desclist_idx_inc(qh->td_last, inc, qh->dev_speed);
/*
@@ -896,20 +896,27 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
{
struct dwc2_dma_desc *dma_desc;
struct dwc2_hcd_iso_packet_desc *frame_desc;
+ u16 frame_desc_idx;
+ struct urb *usb_urb;
u16 remain = 0;
int rc = 0;
if (!qtd->urb)
return -EINVAL;
+ usb_urb = qtd->urb->priv;
+
dma_sync_single_for_cpu(hsotg->dev, qh->desc_list_dma + (idx *
sizeof(struct dwc2_dma_desc)),
sizeof(struct dwc2_dma_desc),
DMA_FROM_DEVICE);
dma_desc = &qh->desc_list[idx];
+ frame_desc_idx = (idx - qtd->isoc_td_first) & (usb_urb->number_of_packets - 1);
- frame_desc = &qtd->urb->iso_descs[qtd->isoc_frame_index_last];
+ frame_desc = &qtd->urb->iso_descs[frame_desc_idx];
+ if (idx == qtd->isoc_td_first)
+ usb_urb->start_frame = dwc2_hcd_get_frame_number(hsotg);
dma_desc->buf = (u32)(qtd->urb->dma + frame_desc->offset);
if (chan->ep_is_in)
remain = (dma_desc->status & HOST_DMA_ISOC_NBYTES_MASK) >>
@@ -930,7 +937,7 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
frame_desc->status = 0;
}
- if (++qtd->isoc_frame_index == qtd->urb->packet_count) {
+ if (++qtd->isoc_frame_index == usb_urb->number_of_packets) {
/*
* urb->status is not used for isoc transfers here. The
* individual frame_desc status are used instead.
@@ -1035,11 +1042,11 @@ static void dwc2_complete_isoc_xfer_ddma(struct dwc2_hsotg *hsotg,
return;
idx = dwc2_desclist_idx_inc(idx, qh->host_interval,
chan->speed);
- if (!rc)
+ if (rc == 0)
continue;
- if (rc == DWC2_CMPL_DONE)
- break;
+ if (rc == DWC2_CMPL_DONE || rc == DWC2_CMPL_STOP)
+ goto stop_scan;
/* rc == DWC2_CMPL_STOP */
diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h
index c3d6dde2a..6ad7ba054 100644
--- a/drivers/usb/dwc2/hw.h
+++ b/drivers/usb/dwc2/hw.h
@@ -727,7 +727,7 @@
#define TXSTS_QTOP_TOKEN_MASK (0x3 << 25)
#define TXSTS_QTOP_TOKEN_SHIFT 25
#define TXSTS_QTOP_TERMINATE BIT(24)
-#define TXSTS_QSPCAVAIL_MASK (0xff << 16)
+#define TXSTS_QSPCAVAIL_MASK (0x7f << 16)
#define TXSTS_QSPCAVAIL_SHIFT 16
#define TXSTS_FSPCAVAIL_MASK (0xffff << 0)
#define TXSTS_FSPCAVAIL_SHIFT 0
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 553547f12..d20ca5974 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -575,21 +575,37 @@ static int start_transfer(struct fsg_dev *fsg, struct usb_ep *ep,
static bool start_in_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
{
+ int rc;
+
if (!fsg_is_set(common))
return false;
bh->state = BUF_STATE_SENDING;
- if (start_transfer(common->fsg, common->fsg->bulk_in, bh->inreq))
+ rc = start_transfer(common->fsg, common->fsg->bulk_in, bh->inreq);
+ if (rc) {
bh->state = BUF_STATE_EMPTY;
+ if (rc == -ESHUTDOWN) {
+ common->running = 0;
+ return false;
+ }
+ }
return true;
}
static bool start_out_transfer(struct fsg_common *common, struct fsg_buffhd *bh)
{
+ int rc;
+
if (!fsg_is_set(common))
return false;
bh->state = BUF_STATE_RECEIVING;
- if (start_transfer(common->fsg, common->fsg->bulk_out, bh->outreq))
+ rc = start_transfer(common->fsg, common->fsg->bulk_out, bh->outreq);
+ if (rc) {
bh->state = BUF_STATE_FULL;
+ if (rc == -ESHUTDOWN) {
+ common->running = 0;
+ return false;
+ }
+ }
return true;
}
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index d42cd1d03..752951b56 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1349,7 +1349,15 @@ parse_ntb:
"Parsed NTB with %d frames\n", dgram_counter);
to_process -= block_len;
- if (to_process != 0) {
+
+ /*
+ * Windows NCM driver avoids USB ZLPs by adding a 1-byte
+ * zero pad as needed.
+ */
+ if (to_process == 1 &&
+ (*(unsigned char *)(ntb_ptr + block_len) == 0x00)) {
+ to_process--;
+ } else if ((to_process > 0) && (block_len != 0)) {
ntb_ptr = (unsigned char *)(ntb_ptr + block_len);
goto parse_ntb;
}
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 7b3c0787d..e80aa717c 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -273,7 +273,9 @@ int usb_ep_queue(struct usb_ep *ep,
{
int ret = 0;
- if (WARN_ON_ONCE(!ep->enabled && ep->address)) {
+ if (!ep->enabled && ep->address) {
+ pr_debug("USB gadget: queue request to disabled ep 0x%x (%s)\n",
+ ep->address, ep->name);
ret = -ESHUTDOWN;
goto out;
}
diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c
index 23a735641..8c56efe6a 100644
--- a/drivers/usb/gadget/udc/net2272.c
+++ b/drivers/usb/gadget/udc/net2272.c
@@ -2636,7 +2636,7 @@ net2272_plat_probe(struct platform_device *pdev)
goto err_req;
}
- ret = net2272_probe_fin(dev, IRQF_TRIGGER_LOW);
+ ret = net2272_probe_fin(dev, irqflags);
if (ret)
goto err_io;
diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index c5f0fbb8f..9d3e36c86 100644
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -3480,8 +3480,8 @@ static void tegra_xudc_device_params_init(struct tegra_xudc *xudc)
static int tegra_xudc_phy_get(struct tegra_xudc *xudc)
{
- int err = 0, usb3;
- unsigned int i;
+ int err = 0, usb3_companion_port;
+ unsigned int i, j;
xudc->utmi_phy = devm_kcalloc(xudc->dev, xudc->soc->num_phys,
sizeof(*xudc->utmi_phy), GFP_KERNEL);
@@ -3508,10 +3508,8 @@ static int tegra_xudc_phy_get(struct tegra_xudc *xudc)
xudc->utmi_phy[i] = devm_phy_optional_get(xudc->dev, phy_name);
if (IS_ERR(xudc->utmi_phy[i])) {
err = PTR_ERR(xudc->utmi_phy[i]);
- if (err != -EPROBE_DEFER)
- dev_err(xudc->dev, "failed to get usb2-%d PHY: %d\n",
- i, err);
-
+ dev_err_probe(xudc->dev, err,
+ "failed to get PHY for phy-name usb2-%d\n", i);
goto clean_up;
} else if (xudc->utmi_phy[i]) {
/* Get usb-phy, if utmi phy is available */
@@ -3530,21 +3528,30 @@ static int tegra_xudc_phy_get(struct tegra_xudc *xudc)
}
/* Get USB3 phy */
- usb3 = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i);
- if (usb3 < 0)
+ usb3_companion_port = tegra_xusb_padctl_get_usb3_companion(xudc->padctl, i);
+ if (usb3_companion_port < 0)
continue;
- snprintf(phy_name, sizeof(phy_name), "usb3-%d", usb3);
- xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name);
- if (IS_ERR(xudc->usb3_phy[i])) {
- err = PTR_ERR(xudc->usb3_phy[i]);
- if (err != -EPROBE_DEFER)
- dev_err(xudc->dev, "failed to get usb3-%d PHY: %d\n",
- usb3, err);
-
- goto clean_up;
- } else if (xudc->usb3_phy[i])
- dev_dbg(xudc->dev, "usb3-%d PHY registered", usb3);
+ for (j = 0; j < xudc->soc->num_phys; j++) {
+ snprintf(phy_name, sizeof(phy_name), "usb3-%d", j);
+ xudc->usb3_phy[i] = devm_phy_optional_get(xudc->dev, phy_name);
+ if (IS_ERR(xudc->usb3_phy[i])) {
+ err = PTR_ERR(xudc->usb3_phy[i]);
+ dev_err_probe(xudc->dev, err,
+ "failed to get PHY for phy-name usb3-%d\n", j);
+ goto clean_up;
+ } else if (xudc->usb3_phy[i]) {
+ int usb2_port =
+ tegra_xusb_padctl_get_port_number(xudc->utmi_phy[i]);
+ int usb3_port =
+ tegra_xusb_padctl_get_port_number(xudc->usb3_phy[i]);
+ if (usb3_port == usb3_companion_port) {
+ dev_dbg(xudc->dev, "USB2 port %d is paired with USB3 port %d for device mode port %d\n",
+ usb2_port, usb3_port, i);
+ break;
+ }
+ }
+ }
}
return err;
@@ -3781,9 +3788,7 @@ static int tegra_xudc_probe(struct platform_device *pdev)
err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks);
if (err) {
- if (err != -EPROBE_DEFER)
- dev_err(xudc->dev, "failed to request clocks: %d\n", err);
-
+ dev_err_probe(xudc->dev, err, "failed to request clocks\n");
return err;
}
@@ -3798,9 +3803,7 @@ static int tegra_xudc_probe(struct platform_device *pdev)
err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies,
xudc->supplies);
if (err) {
- if (err != -EPROBE_DEFER)
- dev_err(xudc->dev, "failed to request regulators: %d\n", err);
-
+ dev_err_probe(xudc->dev, err, "failed to request regulators\n");
return err;
}
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 9465fce99..f803079a9 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -585,6 +585,7 @@ done(struct sl811 *sl811, struct sl811h_ep *ep, u8 bank)
finish_request(sl811, ep, urb, urbstat);
}
+#ifdef QUIRK2
static inline u8 checkdone(struct sl811 *sl811)
{
u8 ctl;
@@ -616,6 +617,7 @@ static inline u8 checkdone(struct sl811 *sl811)
#endif
return irqstat;
}
+#endif
static irqreturn_t sl811h_irq(struct usb_hcd *hcd)
{
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index e56a1fb97..83c7dffa9 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -323,6 +323,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
if (device_property_read_bool(tmpdev, "quirk-broken-port-ped"))
xhci->quirks |= XHCI_BROKEN_PORT_PED;
+ if (device_property_read_bool(tmpdev, "xhci-sg-trb-cache-size-quirk"))
+ xhci->quirks |= XHCI_SG_TRB_CACHE_SIZE_QUIRK;
+
device_property_read_u32(tmpdev, "imod-interval-ns",
&xhci->imod_interval);
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index eb70f07e3..4fa387e44 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2059,16 +2059,13 @@ int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code)
return 0;
}
-static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
- struct xhci_transfer_event *event, struct xhci_virt_ep *ep)
+static int finish_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ u32 trb_comp_code)
{
struct xhci_ep_ctx *ep_ctx;
- struct xhci_ring *ep_ring;
- u32 trb_comp_code;
- ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
ep_ctx = xhci_get_ep_ctx(xhci, ep->vdev->out_ctx, ep->ep_index);
- trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
if (trb_comp_code == COMP_STOPPED_LENGTH_INVALID ||
trb_comp_code == COMP_STOPPED ||
@@ -2099,8 +2096,9 @@ static int finish_td(struct xhci_hcd *xhci, struct xhci_td *td,
EP_HARD_RESET);
} else {
/* Update ring dequeue pointer */
- while (ep_ring->dequeue != td->last_trb)
- inc_deq(xhci, ep_ring);
+ ep_ring->dequeue = td->last_trb;
+ ep_ring->deq_seg = td->last_trb_seg;
+ ep_ring->num_trbs_free += td->num_trbs - 1;
inc_deq(xhci, ep_ring);
}
@@ -2125,9 +2123,9 @@ static int sum_trb_lengths(struct xhci_hcd *xhci, struct xhci_ring *ring,
/*
* Process control tds, update urb status and actual_length.
*/
-static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
- union xhci_trb *ep_trb, struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep)
+static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ union xhci_trb *ep_trb, struct xhci_transfer_event *event)
{
struct xhci_ep_ctx *ep_ctx;
u32 trb_comp_code;
@@ -2215,15 +2213,15 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
td->urb->actual_length = requested;
finish_td:
- return finish_td(xhci, td, event, ep);
+ return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
}
/*
* Process isochronous tds, update urb packet status and actual_length.
*/
-static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
- union xhci_trb *ep_trb, struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep)
+static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ union xhci_trb *ep_trb, struct xhci_transfer_event *event)
{
struct urb_priv *urb_priv;
int idx;
@@ -2246,6 +2244,9 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
/* handle completion code */
switch (trb_comp_code) {
case COMP_SUCCESS:
+ /* Don't overwrite status if TD had an error, see xHCI 4.9.1 */
+ if (td->error_mid_td)
+ break;
if (remaining) {
frame->status = short_framestatus;
if (xhci->quirks & XHCI_TRUST_TX_LENGTH)
@@ -2261,9 +2262,13 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
case COMP_BANDWIDTH_OVERRUN_ERROR:
frame->status = -ECOMM;
break;
- case COMP_ISOCH_BUFFER_OVERRUN:
case COMP_BABBLE_DETECTED_ERROR:
+ sum_trbs_for_length = true;
+ fallthrough;
+ case COMP_ISOCH_BUFFER_OVERRUN:
frame->status = -EOVERFLOW;
+ if (ep_trb != td->last_trb)
+ td->error_mid_td = true;
break;
case COMP_INCOMPATIBLE_DEVICE_ERROR:
case COMP_STALL_ERROR:
@@ -2271,8 +2276,9 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
break;
case COMP_USB_TRANSACTION_ERROR:
frame->status = -EPROTO;
+ sum_trbs_for_length = true;
if (ep_trb != td->last_trb)
- return 0;
+ td->error_mid_td = true;
break;
case COMP_STOPPED:
sum_trbs_for_length = true;
@@ -2292,6 +2298,9 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
break;
}
+ if (td->urb_length_set)
+ goto finish_td;
+
if (sum_trbs_for_length)
frame->actual_length = sum_trb_lengths(xhci, ep->ring, ep_trb) +
ep_trb_len - remaining;
@@ -2300,7 +2309,15 @@ static int process_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
td->urb->actual_length += frame->actual_length;
- return finish_td(xhci, td, event, ep);
+finish_td:
+ /* Don't give back TD yet if we encountered an error mid TD */
+ if (td->error_mid_td && ep_trb != td->last_trb) {
+ xhci_dbg(xhci, "Error mid isoc TD, wait for final completion event\n");
+ td->urb_length_set = true;
+ return 0;
+ }
+
+ return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
}
static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
@@ -2321,8 +2338,9 @@ static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
frame->actual_length = 0;
/* Update ring dequeue pointer */
- while (ep->ring->dequeue != td->last_trb)
- inc_deq(xhci, ep->ring);
+ ep->ring->dequeue = td->last_trb;
+ ep->ring->deq_seg = td->last_trb_seg;
+ ep->ring->num_trbs_free += td->num_trbs - 1;
inc_deq(xhci, ep->ring);
return xhci_td_cleanup(xhci, td, ep->ring, status);
@@ -2331,17 +2349,15 @@ static int skip_isoc_td(struct xhci_hcd *xhci, struct xhci_td *td,
/*
* Process bulk and interrupt tds, update urb status and actual_length.
*/
-static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_td *td,
- union xhci_trb *ep_trb, struct xhci_transfer_event *event,
- struct xhci_virt_ep *ep)
+static int process_bulk_intr_td(struct xhci_hcd *xhci, struct xhci_virt_ep *ep,
+ struct xhci_ring *ep_ring, struct xhci_td *td,
+ union xhci_trb *ep_trb, struct xhci_transfer_event *event)
{
struct xhci_slot_ctx *slot_ctx;
- struct xhci_ring *ep_ring;
u32 trb_comp_code;
u32 remaining, requested, ep_trb_len;
slot_ctx = xhci_get_slot_ctx(xhci, ep->vdev->out_ctx);
- ep_ring = xhci_dma_to_transfer_ring(ep, le64_to_cpu(event->buffer));
trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len));
remaining = EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
ep_trb_len = TRB_LEN(le32_to_cpu(ep_trb->generic.field[2]));
@@ -2401,7 +2417,8 @@ finish_td:
remaining);
td->urb->actual_length = 0;
}
- return finish_td(xhci, td, event, ep);
+
+ return finish_td(xhci, ep, ep_ring, td, trb_comp_code);
}
/*
@@ -2686,17 +2703,51 @@ static int handle_tx_event(struct xhci_hcd *xhci,
}
if (!ep_seg) {
- if (!ep->skip ||
- !usb_endpoint_xfer_isoc(&td->urb->ep->desc)) {
- /* Some host controllers give a spurious
- * successful event after a short transfer.
- * Ignore it.
- */
- if ((xhci->quirks & XHCI_SPURIOUS_SUCCESS) &&
- ep_ring->last_td_was_short) {
- ep_ring->last_td_was_short = false;
- goto cleanup;
+
+ if (ep->skip && usb_endpoint_xfer_isoc(&td->urb->ep->desc)) {
+ skip_isoc_td(xhci, td, ep, status);
+ goto cleanup;
+ }
+
+ /*
+ * Some hosts give a spurious success event after a short
+ * transfer. Ignore it.
+ */
+ if ((xhci->quirks & XHCI_SPURIOUS_SUCCESS) &&
+ ep_ring->last_td_was_short) {
+ ep_ring->last_td_was_short = false;
+ goto cleanup;
+ }
+
+ /*
+ * xhci 4.10.2 states isoc endpoints should continue
+ * processing the next TD if there was an error mid TD.
+ * So host like NEC don't generate an event for the last
+ * isoc TRB even if the IOC flag is set.
+ * xhci 4.9.1 states that if there are errors in mult-TRB
+ * TDs xHC should generate an error for that TRB, and if xHC
+ * proceeds to the next TD it should genete an event for
+ * any TRB with IOC flag on the way. Other host follow this.
+ * So this event might be for the next TD.
+ */
+ if (td->error_mid_td &&
+ !list_is_last(&td->td_list, &ep_ring->td_list)) {
+ struct xhci_td *td_next = list_next_entry(td, td_list);
+
+ ep_seg = trb_in_td(xhci, td_next->start_seg, td_next->first_trb,
+ td_next->last_trb, ep_trb_dma, false);
+ if (ep_seg) {
+ /* give back previous TD, start handling new */
+ xhci_dbg(xhci, "Missing TD completion event after mid TD error\n");
+ ep_ring->dequeue = td->last_trb;
+ ep_ring->deq_seg = td->last_trb_seg;
+ inc_deq(xhci, ep_ring);
+ xhci_td_cleanup(xhci, td, ep_ring, td->status);
+ td = td_next;
}
+ }
+
+ if (!ep_seg) {
/* HC is busted, give up! */
xhci_err(xhci,
"ERROR Transfer event TRB DMA ptr not "
@@ -2708,9 +2759,6 @@ static int handle_tx_event(struct xhci_hcd *xhci,
ep_trb_dma, true);
return -ESHUTDOWN;
}
-
- skip_isoc_td(xhci, td, ep, status);
- goto cleanup;
}
if (trb_comp_code == COMP_SHORT_PACKET)
ep_ring->last_td_was_short = true;
@@ -2752,11 +2800,11 @@ static int handle_tx_event(struct xhci_hcd *xhci,
/* update the urb's actual_length and give back to the core */
if (usb_endpoint_xfer_control(&td->urb->ep->desc))
- process_ctrl_td(xhci, td, ep_trb, event, ep);
+ process_ctrl_td(xhci, ep, ep_ring, td, ep_trb, event);
else if (usb_endpoint_xfer_isoc(&td->urb->ep->desc))
- process_isoc_td(xhci, td, ep_trb, event, ep);
+ process_isoc_td(xhci, ep, ep_ring, td, ep_trb, event);
else
- process_bulk_intr_td(xhci, td, ep_trb, event, ep);
+ process_bulk_intr_td(xhci, ep, ep_ring, td, ep_trb, event);
cleanup:
handling_skipped_tds = ep->skip &&
trb_comp_code != COMP_MISSED_SERVICE_ERROR &&
@@ -3487,7 +3535,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
field |= TRB_IOC;
more_trbs_coming = false;
td->last_trb = ring->enqueue;
-
+ td->last_trb_seg = ring->enq_seg;
if (xhci_urb_suitable_for_idt(urb)) {
memcpy(&send_addr, urb->transfer_buffer,
trb_buff_len);
@@ -3513,7 +3561,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
upper_32_bits(send_addr),
length_field,
field);
-
+ td->num_trbs++;
addr += trb_buff_len;
sent_len = trb_buff_len;
@@ -3537,8 +3585,10 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
ep_index, urb->stream_id,
1, urb, 1, mem_flags);
urb_priv->td[1].last_trb = ring->enqueue;
+ urb_priv->td[1].last_trb_seg = ring->enq_seg;
field = TRB_TYPE(TRB_NORMAL) | ring->cycle_state | TRB_IOC;
queue_trb(xhci, ring, 0, 0, 0, TRB_INTR_TARGET(0), field);
+ urb_priv->td[1].num_trbs++;
}
check_trb_math(urb, enqd_len);
@@ -3589,6 +3639,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
urb_priv = urb->hcpriv;
td = &urb_priv->td[0];
+ td->num_trbs = num_trbs;
/*
* Don't give the first TRB to the hardware (by toggling the cycle bit)
@@ -3661,6 +3712,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
/* Save the DMA address of the last TRB in the TD */
td->last_trb = ep_ring->enqueue;
+ td->last_trb_seg = ep_ring->enq_seg;
/* Queue status TRB - see Table 7 and sections 4.11.2.2 and 6.4.1.2.3 */
/* If the device sent data, the status stage is an OUT transfer */
@@ -3905,7 +3957,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
goto cleanup;
}
td = &urb_priv->td[i];
-
+ td->num_trbs = trbs_per_td;
/* use SIA as default, if frame id is used overwrite it */
sia_frame_id = TRB_SIA;
if (!(urb->transfer_flags & URB_ISO_ASAP) &&
@@ -3948,6 +4000,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
} else {
more_trbs_coming = false;
td->last_trb = ep_ring->enqueue;
+ td->last_trb_seg = ep_ring->enq_seg;
field |= TRB_IOC;
if (trb_block_event_intr(xhci, num_tds, i))
field |= TRB_BEI;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index bb3c362a1..5a8443f6e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1550,9 +1550,12 @@ struct xhci_td {
struct xhci_segment *start_seg;
union xhci_trb *first_trb;
union xhci_trb *last_trb;
+ struct xhci_segment *last_trb_seg;
struct xhci_segment *bounce_seg;
/* actual_length of the URB has already been set */
bool urb_length_set;
+ bool error_mid_td;
+ unsigned int num_trbs;
};
/* xHCI command default timeout value */
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 34b9f8140..661a229c1 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -268,13 +268,6 @@ int usb_phy_gen_create_phy(struct device *dev, struct usb_phy_generic *nop)
return -EPROBE_DEFER;
}
- nop->vbus_draw = devm_regulator_get_exclusive(dev, "vbus");
- if (PTR_ERR(nop->vbus_draw) == -ENODEV)
- nop->vbus_draw = NULL;
- if (IS_ERR(nop->vbus_draw))
- return dev_err_probe(dev, PTR_ERR(nop->vbus_draw),
- "could not get vbus regulator\n");
-
nop->dev = dev;
nop->phy.dev = nop->dev;
nop->phy.label = "nop-xceiv";
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index 5cc202753..e1dff4a44 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -19,7 +19,9 @@ static struct class *role_class;
struct usb_role_switch {
struct device dev;
struct mutex lock; /* device lock*/
+ struct module *module; /* the module this device depends on */
enum usb_role role;
+ bool registered;
/* From descriptor */
struct device *usb2_port;
@@ -46,6 +48,9 @@ int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role)
if (IS_ERR_OR_NULL(sw))
return 0;
+ if (!sw->registered)
+ return -EOPNOTSUPP;
+
mutex_lock(&sw->lock);
ret = sw->set(sw, role);
@@ -71,7 +76,7 @@ enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
{
enum usb_role role;
- if (IS_ERR_OR_NULL(sw))
+ if (IS_ERR_OR_NULL(sw) || !sw->registered)
return USB_ROLE_NONE;
mutex_lock(&sw->lock);
@@ -133,7 +138,7 @@ struct usb_role_switch *usb_role_switch_get(struct device *dev)
usb_role_switch_match);
if (!IS_ERR_OR_NULL(sw))
- WARN_ON(!try_module_get(sw->dev.parent->driver->owner));
+ WARN_ON(!try_module_get(sw->module));
return sw;
}
@@ -155,7 +160,7 @@ struct usb_role_switch *fwnode_usb_role_switch_get(struct fwnode_handle *fwnode)
sw = fwnode_connection_find_match(fwnode, "usb-role-switch",
NULL, usb_role_switch_match);
if (!IS_ERR_OR_NULL(sw))
- WARN_ON(!try_module_get(sw->dev.parent->driver->owner));
+ WARN_ON(!try_module_get(sw->module));
return sw;
}
@@ -170,7 +175,7 @@ EXPORT_SYMBOL_GPL(fwnode_usb_role_switch_get);
void usb_role_switch_put(struct usb_role_switch *sw)
{
if (!IS_ERR_OR_NULL(sw)) {
- module_put(sw->dev.parent->driver->owner);
+ module_put(sw->module);
put_device(&sw->dev);
}
}
@@ -187,15 +192,18 @@ struct usb_role_switch *
usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode)
{
struct device *dev;
+ struct usb_role_switch *sw = NULL;
if (!fwnode)
return NULL;
dev = class_find_device_by_fwnode(role_class, fwnode);
- if (dev)
- WARN_ON(!try_module_get(dev->parent->driver->owner));
+ if (dev) {
+ sw = to_role_switch(dev);
+ WARN_ON(!try_module_get(sw->module));
+ }
- return dev ? to_role_switch(dev) : NULL;
+ return sw;
}
EXPORT_SYMBOL_GPL(usb_role_switch_find_by_fwnode);
@@ -328,6 +336,7 @@ usb_role_switch_register(struct device *parent,
sw->set = desc->set;
sw->get = desc->get;
+ sw->module = parent->driver->owner;
sw->dev.parent = parent;
sw->dev.fwnode = desc->fwnode;
sw->dev.class = role_class;
@@ -342,6 +351,8 @@ usb_role_switch_register(struct device *parent,
return ERR_PTR(ret);
}
+ sw->registered = true;
+
/* TODO: Symlinks for the host port and the device controller. */
return sw;
@@ -356,8 +367,10 @@ EXPORT_SYMBOL_GPL(usb_role_switch_register);
*/
void usb_role_switch_unregister(struct usb_role_switch *sw)
{
- if (!IS_ERR_OR_NULL(sw))
+ if (!IS_ERR_OR_NULL(sw)) {
+ sw->registered = false;
device_unregister(&sw->dev);
+ }
}
EXPORT_SYMBOL_GPL(usb_role_switch_unregister);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 045e24174..294f7f016 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -60,6 +60,8 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */
{ USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
{ USB_DEVICE(0x0489, 0xE003) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
+ { USB_DEVICE(0x04BF, 0x1301) }, /* TDK Corporation NC0110013M - Network Controller */
+ { USB_DEVICE(0x04BF, 0x1303) }, /* TDK Corporation MM0110113M - i3 Micro Module */
{ USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */
{ USB_DEVICE(0x0846, 0x1100) }, /* NetGear Managed Switch M4100 series, M5300 series, M7100 series */
{ USB_DEVICE(0x08e6, 0x5501) }, /* Gemalto Prox-PU/CU contactless smartcard reader */
@@ -148,8 +150,10 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0x85EA) }, /* AC-Services IBUS-IF */
{ USB_DEVICE(0x10C4, 0x85EB) }, /* AC-Services CIS-IBUS */
{ USB_DEVICE(0x10C4, 0x85F8) }, /* Virtenio Preon32 */
+ { USB_DEVICE(0x10C4, 0x863C) }, /* MGP Instruments PDS100 */
{ USB_DEVICE(0x10C4, 0x8664) }, /* AC-Services CAN-IF */
{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
+ { USB_DEVICE(0x10C4, 0x87ED) }, /* IMST USB-Stick for Smart Meter */
{ USB_DEVICE(0x10C4, 0x8856) }, /* CEL EM357 ZigBee USB Stick - LR */
{ USB_DEVICE(0x10C4, 0x8857) }, /* CEL EM357 ZigBee USB Stick */
{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
@@ -180,6 +184,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x10C4, 0xF004) }, /* Elan Digital Systems USBcount50 */
{ USB_DEVICE(0x10C5, 0xEA61) }, /* Silicon Labs MobiData GPRS USB Modem */
{ USB_DEVICE(0x10CE, 0xEA6A) }, /* Silicon Labs MobiData GPRS USB Modem 100EU */
+ { USB_DEVICE(0x11CA, 0x0212) }, /* Verifone USB to Printer (UART, CP2102) */
{ USB_DEVICE(0x12B8, 0xEC60) }, /* Link G4 ECU */
{ USB_DEVICE(0x12B8, 0xEC62) }, /* Link G4+ ECU */
{ USB_DEVICE(0x13AD, 0x9999) }, /* Baltech card reader */
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 4d7f4a4ab..66aa999ef 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1055,6 +1055,8 @@ static const struct usb_device_id id_table_combined[] = {
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(FTDI_VID, FTDI_FALCONIA_JTAG_UNBUF_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+ /* GMC devices */
+ { USB_DEVICE(GMC_VID, GMC_Z216C_PID) },
{ } /* Terminating entry */
};
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 9a0f9fc99..b2aec1106 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1599,3 +1599,9 @@
#define UBLOX_VID 0x1546
#define UBLOX_C099F9P_ZED_PID 0x0502
#define UBLOX_C099F9P_ODIN_PID 0x0503
+
+/*
+ * GMC devices
+ */
+#define GMC_VID 0x1cd7
+#define GMC_Z216C_PID 0x0217 /* GMC Z216C Adapter IR-USB */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6be7358ca..400e3e10b 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -255,6 +255,10 @@ static void option_instat_callback(struct urb *urb);
#define QUECTEL_PRODUCT_EM061K_LMS 0x0124
#define QUECTEL_PRODUCT_EC25 0x0125
#define QUECTEL_PRODUCT_EM060K_128 0x0128
+#define QUECTEL_PRODUCT_EM060K_129 0x0129
+#define QUECTEL_PRODUCT_EM060K_12a 0x012a
+#define QUECTEL_PRODUCT_EM060K_12b 0x012b
+#define QUECTEL_PRODUCT_EM060K_12c 0x012c
#define QUECTEL_PRODUCT_EG91 0x0191
#define QUECTEL_PRODUCT_EG95 0x0195
#define QUECTEL_PRODUCT_BG96 0x0296
@@ -613,6 +617,11 @@ static void option_instat_callback(struct urb *urb);
/* Luat Air72*U series based on UNISOC UIS8910 uses UNISOC's vendor ID */
#define LUAT_PRODUCT_AIR720U 0x4e00
+/* MeiG Smart Technology products */
+#define MEIGSMART_VENDOR_ID 0x2dee
+/* MeiG Smart SLM320 based on UNISOC UIS8910 */
+#define MEIGSMART_PRODUCT_SLM320 0x4d41
+
/* Device flags */
/* Highest interface number which can be used with NCTRL() and RSVD() */
@@ -1213,6 +1222,18 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x40) },
@@ -1355,6 +1376,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1083, 0xff), /* Telit FE990 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -2047,6 +2074,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, 0x9803, 0xff),
.driver_info = RSVD(4) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, 0x9b05), /* Longsung U8300 */
+ .driver_info = RSVD(4) | RSVD(5) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, 0x9b3c), /* Longsung U9300 */
+ .driver_info = RSVD(0) | RSVD(4) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
@@ -2267,20 +2298,36 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0111, 0xff) }, /* Fibocom FM160 (MBIM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0115, 0xff), /* Fibocom FM135 (laptop MBIM) */
+ .driver_info = RSVD(5) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a3, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */
.driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a04, 0xff) }, /* Fibocom FM650-CN (ECM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a05, 0xff) }, /* Fibocom FM650-CN (NCM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a06, 0xff) }, /* Fibocom FM650-CN (RNDIS mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a07, 0xff) }, /* Fibocom FM650-CN (MBIM mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */
+ { USB_DEVICE(0x33f8, 0x0104), /* Rolling RW101-GL (laptop RMNET) */
+ .driver_info = RSVD(4) | RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a2, 0xff) }, /* Rolling RW101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a3, 0xff) }, /* Rolling RW101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a4, 0xff), /* Rolling RW101-GL (laptop MBIM) */
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0115, 0xff), /* Rolling RW135-GL (laptop MBIM) */
+ .driver_info = RSVD(5) },
{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index b1e844bf3..703a9c563 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -184,6 +184,8 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */
{DEVICE_SWI(0x413c, 0x81d2)}, /* Dell Wireless 5818 */
+ {DEVICE_SWI(0x413c, 0x8217)}, /* Dell Wireless DW5826e */
+ {DEVICE_SWI(0x413c, 0x8218)}, /* Dell Wireless DW5826e QDL */
/* Huawei devices */
{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */
diff --git a/drivers/usb/storage/isd200.c b/drivers/usb/storage/isd200.c
index 3c76336e4..1d22db59f 100644
--- a/drivers/usb/storage/isd200.c
+++ b/drivers/usb/storage/isd200.c
@@ -1105,7 +1105,7 @@ static void isd200_dump_driveid(struct us_data *us, u16 *id)
static int isd200_get_inquiry_data( struct us_data *us )
{
struct isd200_info *info = (struct isd200_info *)us->extra;
- int retStatus = ISD200_GOOD;
+ int retStatus;
u16 *id = info->id;
usb_stor_dbg(us, "Entering isd200_get_inquiry_data\n");
@@ -1137,6 +1137,13 @@ static int isd200_get_inquiry_data( struct us_data *us )
isd200_fix_driveid(id);
isd200_dump_driveid(us, id);
+ /* Prevent division by 0 in isd200_scsi_to_ata() */
+ if (id[ATA_ID_HEADS] == 0 || id[ATA_ID_SECTORS] == 0) {
+ usb_stor_dbg(us, " Invalid ATA Identify data\n");
+ retStatus = ISD200_ERROR;
+ goto Done;
+ }
+
memset(&info->InquiryData, 0, sizeof(info->InquiryData));
/* Standard IDE interface only supports disks */
@@ -1202,6 +1209,7 @@ static int isd200_get_inquiry_data( struct us_data *us )
}
}
+ Done:
usb_stor_dbg(us, "Leaving isd200_get_inquiry_data %08X\n", retStatus);
return(retStatus);
@@ -1481,22 +1489,27 @@ static int isd200_init_info(struct us_data *us)
static int isd200_Initialization(struct us_data *us)
{
+ int rc = 0;
+
usb_stor_dbg(us, "ISD200 Initialization...\n");
/* Initialize ISD200 info struct */
- if (isd200_init_info(us) == ISD200_ERROR) {
+ if (isd200_init_info(us) < 0) {
usb_stor_dbg(us, "ERROR Initializing ISD200 Info struct\n");
+ rc = -ENOMEM;
} else {
/* Get device specific data */
- if (isd200_get_inquiry_data(us) != ISD200_GOOD)
+ if (isd200_get_inquiry_data(us) != ISD200_GOOD) {
usb_stor_dbg(us, "ISD200 Initialization Failure\n");
- else
+ rc = -EINVAL;
+ } else {
usb_stor_dbg(us, "ISD200 Initialization complete\n");
+ }
}
- return 0;
+ return rc;
}
diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index e34e46df8..33c67adf7 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -732,6 +732,7 @@ MODULE_DEVICE_TABLE(i2c, tcpci_id);
#ifdef CONFIG_OF
static const struct of_device_id tcpci_of_match[] = {
{ .compatible = "nxp,ptn5110", },
+ { .compatible = "tcpci", },
{},
};
MODULE_DEVICE_TABLE(of, tcpci_of_match);
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index cd3689005..2ddc8936a 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -138,8 +138,12 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
if (!(cci & UCSI_CCI_COMMAND_COMPLETE))
return -EIO;
- if (cci & UCSI_CCI_NOT_SUPPORTED)
+ if (cci & UCSI_CCI_NOT_SUPPORTED) {
+ if (ucsi_acknowledge_command(ucsi) < 0)
+ dev_err(ucsi->dev,
+ "ACK of unsupported command failed\n");
return -EOPNOTSUPP;
+ }
if (cci & UCSI_CCI_ERROR) {
if (cmd == UCSI_GET_ERROR_STATUS)
@@ -848,13 +852,47 @@ static int ucsi_reset_connector(struct ucsi_connector *con, bool hard)
static int ucsi_reset_ppm(struct ucsi *ucsi)
{
- u64 command = UCSI_PPM_RESET;
+ u64 command;
unsigned long tmo;
u32 cci;
int ret;
mutex_lock(&ucsi->ppm_lock);
+ ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci));
+ if (ret < 0)
+ goto out;
+
+ /*
+ * If UCSI_CCI_RESET_COMPLETE is already set we must clear
+ * the flag before we start another reset. Send a
+ * UCSI_SET_NOTIFICATION_ENABLE command to achieve this.
+ * Ignore a timeout and try the reset anyway if this fails.
+ */
+ if (cci & UCSI_CCI_RESET_COMPLETE) {
+ command = UCSI_SET_NOTIFICATION_ENABLE;
+ ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command,
+ sizeof(command));
+ if (ret < 0)
+ goto out;
+
+ tmo = jiffies + msecs_to_jiffies(UCSI_TIMEOUT_MS);
+ do {
+ ret = ucsi->ops->read(ucsi, UCSI_CCI,
+ &cci, sizeof(cci));
+ if (ret < 0)
+ goto out;
+ if (cci & UCSI_CCI_COMMAND_COMPLETE)
+ break;
+ if (time_is_before_jiffies(tmo))
+ break;
+ msleep(20);
+ } while (1);
+
+ WARN_ON(cci & UCSI_CCI_RESET_COMPLETE);
+ }
+
+ command = UCSI_PPM_RESET;
ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command,
sizeof(command));
if (ret < 0)
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index fce23ad16..41e1a64da 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -219,12 +219,12 @@ struct ucsi_cable_property {
#define UCSI_CABLE_PROP_FLAG_VBUS_IN_CABLE BIT(0)
#define UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE BIT(1)
#define UCSI_CABLE_PROP_FLAG_DIRECTIONALITY BIT(2)
-#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) ((_f_) & GENMASK(3, 0))
+#define UCSI_CABLE_PROP_FLAG_PLUG_TYPE(_f_) (((_f_) & GENMASK(4, 3)) >> 3)
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_A 0
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_B 1
#define UCSI_CABLE_PROPERTY_PLUG_TYPE_C 2
#define UCSI_CABLE_PROPERTY_PLUG_OTHER 3
-#define UCSI_CABLE_PROP_MODE_SUPPORT BIT(5)
+#define UCSI_CABLE_PROP_FLAG_MODE_SUPPORT BIT(5)
u8 latency;
} __packed;
diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c
index 04976435a..0c88d5bf0 100644
--- a/drivers/usb/typec/ucsi/ucsi_acpi.c
+++ b/drivers/usb/typec/ucsi/ucsi_acpi.c
@@ -70,9 +70,13 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
const void *val, size_t val_len)
{
struct ucsi_acpi *ua = ucsi_get_drvdata(ucsi);
+ bool ack = UCSI_COMMAND(*(u64 *)val) == UCSI_ACK_CC_CI;
int ret;
- set_bit(COMMAND_PENDING, &ua->flags);
+ if (ack)
+ set_bit(ACK_PENDING, &ua->flags);
+ else
+ set_bit(COMMAND_PENDING, &ua->flags);
ret = ucsi_acpi_async_write(ucsi, offset, val, val_len);
if (ret)
@@ -82,7 +86,10 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset,
ret = -ETIMEDOUT;
out_clear_bit:
- clear_bit(COMMAND_PENDING, &ua->flags);
+ if (ack)
+ clear_bit(ACK_PENDING, &ua->flags);
+ else
+ clear_bit(COMMAND_PENDING, &ua->flags);
return ret;
}
@@ -106,8 +113,10 @@ static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data)
if (UCSI_CCI_CONNECTOR(cci))
ucsi_connector_change(ua->ucsi, UCSI_CCI_CONNECTOR(cci));
- if (test_bit(COMMAND_PENDING, &ua->flags) &&
- cci & (UCSI_CCI_ACK_COMPLETE | UCSI_CCI_COMMAND_COMPLETE))
+ if (cci & UCSI_CCI_ACK_COMPLETE && test_bit(ACK_PENDING, &ua->flags))
+ complete(&ua->complete);
+ if (cci & UCSI_CCI_COMMAND_COMPLETE &&
+ test_bit(COMMAND_PENDING, &ua->flags))
complete(&ua->complete);
}
diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c
index 0d9f3002d..86f770e6d 100644
--- a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c
+++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c
@@ -142,13 +142,14 @@ static int vfio_fsl_mc_set_irq_trigger(struct vfio_fsl_mc_device *vdev,
irq = &vdev->mc_irqs[index];
if (flags & VFIO_IRQ_SET_DATA_NONE) {
- vfio_fsl_mc_irq_handler(hwirq, irq);
+ if (irq->trigger)
+ eventfd_signal(irq->trigger, 1);
} else if (flags & VFIO_IRQ_SET_DATA_BOOL) {
u8 trigger = *(u8 *)data;
- if (trigger)
- vfio_fsl_mc_irq_handler(hwirq, irq);
+ if (trigger && irq->trigger)
+ eventfd_signal(irq->trigger, 1);
}
return 0;
diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c
index 869dce5f1..5b0b7fab3 100644
--- a/drivers/vfio/pci/vfio_pci_intrs.c
+++ b/drivers/vfio/pci/vfio_pci_intrs.c
@@ -29,15 +29,22 @@ static void vfio_send_intx_eventfd(void *opaque, void *unused)
{
struct vfio_pci_device *vdev = opaque;
- if (likely(is_intx(vdev) && !vdev->virq_disabled))
- eventfd_signal(vdev->ctx[0].trigger, 1);
+ if (likely(is_intx(vdev) && !vdev->virq_disabled)) {
+ struct eventfd_ctx *trigger;
+
+ trigger = READ_ONCE(vdev->ctx[0].trigger);
+ if (likely(trigger))
+ eventfd_signal(trigger, 1);
+ }
}
-void vfio_pci_intx_mask(struct vfio_pci_device *vdev)
+static void __vfio_pci_intx_mask(struct vfio_pci_device *vdev)
{
struct pci_dev *pdev = vdev->pdev;
unsigned long flags;
+ lockdep_assert_held(&vdev->igate);
+
spin_lock_irqsave(&vdev->irqlock, flags);
/*
@@ -65,6 +72,13 @@ void vfio_pci_intx_mask(struct vfio_pci_device *vdev)
spin_unlock_irqrestore(&vdev->irqlock, flags);
}
+void vfio_pci_intx_mask(struct vfio_pci_device *vdev)
+{
+ mutex_lock(&vdev->igate);
+ __vfio_pci_intx_mask(vdev);
+ mutex_unlock(&vdev->igate);
+}
+
/*
* If this is triggered by an eventfd, we can't call eventfd_signal
* or else we'll deadlock on the eventfd wait queue. Return >0 when
@@ -107,12 +121,21 @@ static int vfio_pci_intx_unmask_handler(void *opaque, void *unused)
return ret;
}
-void vfio_pci_intx_unmask(struct vfio_pci_device *vdev)
+static void __vfio_pci_intx_unmask(struct vfio_pci_device *vdev)
{
+ lockdep_assert_held(&vdev->igate);
+
if (vfio_pci_intx_unmask_handler(vdev, NULL) > 0)
vfio_send_intx_eventfd(vdev, NULL);
}
+void vfio_pci_intx_unmask(struct vfio_pci_device *vdev)
+{
+ mutex_lock(&vdev->igate);
+ __vfio_pci_intx_unmask(vdev);
+ mutex_unlock(&vdev->igate);
+}
+
static irqreturn_t vfio_intx_handler(int irq, void *dev_id)
{
struct vfio_pci_device *vdev = dev_id;
@@ -139,95 +162,104 @@ static irqreturn_t vfio_intx_handler(int irq, void *dev_id)
return ret;
}
-static int vfio_intx_enable(struct vfio_pci_device *vdev)
+static int vfio_intx_enable(struct vfio_pci_device *vdev,
+ struct eventfd_ctx *trigger)
{
+ struct pci_dev *pdev = vdev->pdev;
+ unsigned long irqflags;
+ char *name;
+ int ret;
+
if (!is_irq_none(vdev))
return -EINVAL;
- if (!vdev->pdev->irq)
+ if (!pdev->irq)
return -ENODEV;
+ name = kasprintf(GFP_KERNEL, "vfio-intx(%s)", pci_name(pdev));
+ if (!name)
+ return -ENOMEM;
+
vdev->ctx = kzalloc(sizeof(struct vfio_pci_irq_ctx), GFP_KERNEL);
if (!vdev->ctx)
return -ENOMEM;
vdev->num_ctx = 1;
+ vdev->ctx[0].name = name;
+ vdev->ctx[0].trigger = trigger;
+
/*
- * If the virtual interrupt is masked, restore it. Devices
- * supporting DisINTx can be masked at the hardware level
- * here, non-PCI-2.3 devices will have to wait until the
- * interrupt is enabled.
+ * Fill the initial masked state based on virq_disabled. After
+ * enable, changing the DisINTx bit in vconfig directly changes INTx
+ * masking. igate prevents races during setup, once running masked
+ * is protected via irqlock.
+ *
+ * Devices supporting DisINTx also reflect the current mask state in
+ * the physical DisINTx bit, which is not affected during IRQ setup.
+ *
+ * Devices without DisINTx support require an exclusive interrupt.
+ * IRQ masking is performed at the IRQ chip. Again, igate protects
+ * against races during setup and IRQ handlers and irqfds are not
+ * yet active, therefore masked is stable and can be used to
+ * conditionally auto-enable the IRQ.
+ *
+ * irq_type must be stable while the IRQ handler is registered,
+ * therefore it must be set before request_irq().
*/
vdev->ctx[0].masked = vdev->virq_disabled;
- if (vdev->pci_2_3)
- pci_intx(vdev->pdev, !vdev->ctx[0].masked);
+ if (vdev->pci_2_3) {
+ pci_intx(pdev, !vdev->ctx[0].masked);
+ irqflags = IRQF_SHARED;
+ } else {
+ irqflags = vdev->ctx[0].masked ? IRQF_NO_AUTOEN : 0;
+ }
vdev->irq_type = VFIO_PCI_INTX_IRQ_INDEX;
+ ret = request_irq(pdev->irq, vfio_intx_handler,
+ irqflags, vdev->ctx[0].name, vdev);
+ if (ret) {
+ vdev->irq_type = VFIO_PCI_NUM_IRQS;
+ kfree(name);
+ vdev->num_ctx = 0;
+ kfree(vdev->ctx);
+ return ret;
+ }
+
return 0;
}
-static int vfio_intx_set_signal(struct vfio_pci_device *vdev, int fd)
+static int vfio_intx_set_signal(struct vfio_pci_device *vdev,
+ struct eventfd_ctx *trigger)
{
struct pci_dev *pdev = vdev->pdev;
- unsigned long irqflags = IRQF_SHARED;
- struct eventfd_ctx *trigger;
- unsigned long flags;
- int ret;
+ struct eventfd_ctx *old;
- if (vdev->ctx[0].trigger) {
- free_irq(pdev->irq, vdev);
- kfree(vdev->ctx[0].name);
- eventfd_ctx_put(vdev->ctx[0].trigger);
- vdev->ctx[0].trigger = NULL;
- }
-
- if (fd < 0) /* Disable only */
- return 0;
-
- vdev->ctx[0].name = kasprintf(GFP_KERNEL, "vfio-intx(%s)",
- pci_name(pdev));
- if (!vdev->ctx[0].name)
- return -ENOMEM;
-
- trigger = eventfd_ctx_fdget(fd);
- if (IS_ERR(trigger)) {
- kfree(vdev->ctx[0].name);
- return PTR_ERR(trigger);
- }
-
- vdev->ctx[0].trigger = trigger;
+ old = vdev->ctx[0].trigger;
- if (!vdev->pci_2_3)
- irqflags = 0;
+ WRITE_ONCE(vdev->ctx[0].trigger, trigger);
- ret = request_irq(pdev->irq, vfio_intx_handler,
- irqflags, vdev->ctx[0].name, vdev);
- if (ret) {
- vdev->ctx[0].trigger = NULL;
- kfree(vdev->ctx[0].name);
- eventfd_ctx_put(trigger);
- return ret;
+ /* Releasing an old ctx requires synchronizing in-flight users */
+ if (old) {
+ synchronize_irq(pdev->irq);
+ vfio_virqfd_flush_thread(&vdev->ctx[0].unmask);
+ eventfd_ctx_put(old);
}
- /*
- * INTx disable will stick across the new irq setup,
- * disable_irq won't.
- */
- spin_lock_irqsave(&vdev->irqlock, flags);
- if (!vdev->pci_2_3 && vdev->ctx[0].masked)
- disable_irq_nosync(pdev->irq);
- spin_unlock_irqrestore(&vdev->irqlock, flags);
-
return 0;
}
static void vfio_intx_disable(struct vfio_pci_device *vdev)
{
+ struct pci_dev *pdev = vdev->pdev;
+
vfio_virqfd_disable(&vdev->ctx[0].unmask);
vfio_virqfd_disable(&vdev->ctx[0].mask);
- vfio_intx_set_signal(vdev, -1);
+ free_irq(pdev->irq, vdev);
+ if (vdev->ctx[0].trigger)
+ eventfd_ctx_put(vdev->ctx[0].trigger);
+ kfree(vdev->ctx[0].name);
vdev->irq_type = VFIO_PCI_NUM_IRQS;
vdev->num_ctx = 0;
kfree(vdev->ctx);
@@ -425,11 +457,11 @@ static int vfio_pci_set_intx_unmask(struct vfio_pci_device *vdev,
return -EINVAL;
if (flags & VFIO_IRQ_SET_DATA_NONE) {
- vfio_pci_intx_unmask(vdev);
+ __vfio_pci_intx_unmask(vdev);
} else if (flags & VFIO_IRQ_SET_DATA_BOOL) {
uint8_t unmask = *(uint8_t *)data;
if (unmask)
- vfio_pci_intx_unmask(vdev);
+ __vfio_pci_intx_unmask(vdev);
} else if (flags & VFIO_IRQ_SET_DATA_EVENTFD) {
int32_t fd = *(int32_t *)data;
if (fd >= 0)
@@ -452,11 +484,11 @@ static int vfio_pci_set_intx_mask(struct vfio_pci_device *vdev,
return -EINVAL;
if (flags & VFIO_IRQ_SET_DATA_NONE) {
- vfio_pci_intx_mask(vdev);
+ __vfio_pci_intx_mask(vdev);
} else if (flags & VFIO_IRQ_SET_DATA_BOOL) {
uint8_t mask = *(uint8_t *)data;
if (mask)
- vfio_pci_intx_mask(vdev);
+ __vfio_pci_intx_mask(vdev);
} else if (flags & VFIO_IRQ_SET_DATA_EVENTFD) {
return -ENOTTY; /* XXX implement me */
}
@@ -477,19 +509,23 @@ static int vfio_pci_set_intx_trigger(struct vfio_pci_device *vdev,
return -EINVAL;
if (flags & VFIO_IRQ_SET_DATA_EVENTFD) {
+ struct eventfd_ctx *trigger = NULL;
int32_t fd = *(int32_t *)data;
int ret;
- if (is_intx(vdev))
- return vfio_intx_set_signal(vdev, fd);
+ if (fd >= 0) {
+ trigger = eventfd_ctx_fdget(fd);
+ if (IS_ERR(trigger))
+ return PTR_ERR(trigger);
+ }
- ret = vfio_intx_enable(vdev);
- if (ret)
- return ret;
+ if (is_intx(vdev))
+ ret = vfio_intx_set_signal(vdev, trigger);
+ else
+ ret = vfio_intx_enable(vdev, trigger);
- ret = vfio_intx_set_signal(vdev, fd);
- if (ret)
- vfio_intx_disable(vdev);
+ if (ret && trigger)
+ eventfd_ctx_put(trigger);
return ret;
}
diff --git a/drivers/vfio/platform/vfio_platform_irq.c b/drivers/vfio/platform/vfio_platform_irq.c
index c5b09ec0a..7f4341a8d 100644
--- a/drivers/vfio/platform/vfio_platform_irq.c
+++ b/drivers/vfio/platform/vfio_platform_irq.c
@@ -136,6 +136,16 @@ static int vfio_platform_set_irq_unmask(struct vfio_platform_device *vdev,
return 0;
}
+/*
+ * The trigger eventfd is guaranteed valid in the interrupt path
+ * and protected by the igate mutex when triggered via ioctl.
+ */
+static void vfio_send_eventfd(struct vfio_platform_irq *irq_ctx)
+{
+ if (likely(irq_ctx->trigger))
+ eventfd_signal(irq_ctx->trigger, 1);
+}
+
static irqreturn_t vfio_automasked_irq_handler(int irq, void *dev_id)
{
struct vfio_platform_irq *irq_ctx = dev_id;
@@ -155,7 +165,7 @@ static irqreturn_t vfio_automasked_irq_handler(int irq, void *dev_id)
spin_unlock_irqrestore(&irq_ctx->lock, flags);
if (ret == IRQ_HANDLED)
- eventfd_signal(irq_ctx->trigger, 1);
+ vfio_send_eventfd(irq_ctx);
return ret;
}
@@ -164,22 +174,19 @@ static irqreturn_t vfio_irq_handler(int irq, void *dev_id)
{
struct vfio_platform_irq *irq_ctx = dev_id;
- eventfd_signal(irq_ctx->trigger, 1);
+ vfio_send_eventfd(irq_ctx);
return IRQ_HANDLED;
}
static int vfio_set_trigger(struct vfio_platform_device *vdev, int index,
- int fd, irq_handler_t handler)
+ int fd)
{
struct vfio_platform_irq *irq = &vdev->irqs[index];
struct eventfd_ctx *trigger;
- int ret;
if (irq->trigger) {
- irq_clear_status_flags(irq->hwirq, IRQ_NOAUTOEN);
- free_irq(irq->hwirq, irq);
- kfree(irq->name);
+ disable_irq(irq->hwirq);
eventfd_ctx_put(irq->trigger);
irq->trigger = NULL;
}
@@ -187,30 +194,20 @@ static int vfio_set_trigger(struct vfio_platform_device *vdev, int index,
if (fd < 0) /* Disable only */
return 0;
- irq->name = kasprintf(GFP_KERNEL, "vfio-irq[%d](%s)",
- irq->hwirq, vdev->name);
- if (!irq->name)
- return -ENOMEM;
-
trigger = eventfd_ctx_fdget(fd);
- if (IS_ERR(trigger)) {
- kfree(irq->name);
+ if (IS_ERR(trigger))
return PTR_ERR(trigger);
- }
irq->trigger = trigger;
- irq_set_status_flags(irq->hwirq, IRQ_NOAUTOEN);
- ret = request_irq(irq->hwirq, handler, 0, irq->name, irq);
- if (ret) {
- kfree(irq->name);
- eventfd_ctx_put(trigger);
- irq->trigger = NULL;
- return ret;
- }
-
- if (!irq->masked)
- enable_irq(irq->hwirq);
+ /*
+ * irq->masked effectively provides nested disables within the overall
+ * enable relative to trigger. Specifically request_irq() is called
+ * with NO_AUTOEN, therefore the IRQ is initially disabled. The user
+ * may only further disable the IRQ with a MASK operations because
+ * irq->masked is initially false.
+ */
+ enable_irq(irq->hwirq);
return 0;
}
@@ -229,7 +226,7 @@ static int vfio_platform_set_irq_trigger(struct vfio_platform_device *vdev,
handler = vfio_irq_handler;
if (!count && (flags & VFIO_IRQ_SET_DATA_NONE))
- return vfio_set_trigger(vdev, index, -1, handler);
+ return vfio_set_trigger(vdev, index, -1);
if (start != 0 || count != 1)
return -EINVAL;
@@ -237,7 +234,7 @@ static int vfio_platform_set_irq_trigger(struct vfio_platform_device *vdev,
if (flags & VFIO_IRQ_SET_DATA_EVENTFD) {
int32_t fd = *(int32_t *)data;
- return vfio_set_trigger(vdev, index, fd, handler);
+ return vfio_set_trigger(vdev, index, fd);
}
if (flags & VFIO_IRQ_SET_DATA_NONE) {
@@ -261,6 +258,14 @@ int vfio_platform_set_irqs_ioctl(struct vfio_platform_device *vdev,
unsigned start, unsigned count, uint32_t flags,
void *data) = NULL;
+ /*
+ * For compatibility, errors from request_irq() are local to the
+ * SET_IRQS path and reflected in the name pointer. This allows,
+ * for example, polling mode fallback for an exclusive IRQ failure.
+ */
+ if (IS_ERR(vdev->irqs[index].name))
+ return PTR_ERR(vdev->irqs[index].name);
+
switch (flags & VFIO_IRQ_SET_ACTION_TYPE_MASK) {
case VFIO_IRQ_SET_ACTION_MASK:
func = vfio_platform_set_irq_mask;
@@ -281,7 +286,7 @@ int vfio_platform_set_irqs_ioctl(struct vfio_platform_device *vdev,
int vfio_platform_irq_init(struct vfio_platform_device *vdev)
{
- int cnt = 0, i;
+ int cnt = 0, i, ret = 0;
while (vdev->get_irq(vdev, cnt) >= 0)
cnt++;
@@ -292,37 +297,70 @@ int vfio_platform_irq_init(struct vfio_platform_device *vdev)
for (i = 0; i < cnt; i++) {
int hwirq = vdev->get_irq(vdev, i);
+ irq_handler_t handler = vfio_irq_handler;
- if (hwirq < 0)
+ if (hwirq < 0) {
+ ret = -EINVAL;
goto err;
+ }
spin_lock_init(&vdev->irqs[i].lock);
vdev->irqs[i].flags = VFIO_IRQ_INFO_EVENTFD;
- if (irq_get_trigger_type(hwirq) & IRQ_TYPE_LEVEL_MASK)
+ if (irq_get_trigger_type(hwirq) & IRQ_TYPE_LEVEL_MASK) {
vdev->irqs[i].flags |= VFIO_IRQ_INFO_MASKABLE
| VFIO_IRQ_INFO_AUTOMASKED;
+ handler = vfio_automasked_irq_handler;
+ }
vdev->irqs[i].count = 1;
vdev->irqs[i].hwirq = hwirq;
vdev->irqs[i].masked = false;
+ vdev->irqs[i].name = kasprintf(GFP_KERNEL,
+ "vfio-irq[%d](%s)", hwirq,
+ vdev->name);
+ if (!vdev->irqs[i].name) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ ret = request_irq(hwirq, handler, IRQF_NO_AUTOEN,
+ vdev->irqs[i].name, &vdev->irqs[i]);
+ if (ret) {
+ kfree(vdev->irqs[i].name);
+ vdev->irqs[i].name = ERR_PTR(ret);
+ }
}
vdev->num_irqs = cnt;
return 0;
err:
+ for (--i; i >= 0; i--) {
+ if (!IS_ERR(vdev->irqs[i].name)) {
+ free_irq(vdev->irqs[i].hwirq, &vdev->irqs[i]);
+ kfree(vdev->irqs[i].name);
+ }
+ }
kfree(vdev->irqs);
- return -EINVAL;
+ return ret;
}
void vfio_platform_irq_cleanup(struct vfio_platform_device *vdev)
{
int i;
- for (i = 0; i < vdev->num_irqs; i++)
- vfio_set_trigger(vdev, i, -1, NULL);
+ for (i = 0; i < vdev->num_irqs; i++) {
+ vfio_virqfd_disable(&vdev->irqs[i].mask);
+ vfio_virqfd_disable(&vdev->irqs[i].unmask);
+ if (!IS_ERR(vdev->irqs[i].name)) {
+ free_irq(vdev->irqs[i].hwirq, &vdev->irqs[i]);
+ if (vdev->irqs[i].trigger)
+ eventfd_ctx_put(vdev->irqs[i].trigger);
+ kfree(vdev->irqs[i].name);
+ }
+ }
vdev->num_irqs = 0;
kfree(vdev->irqs);
diff --git a/drivers/vfio/virqfd.c b/drivers/vfio/virqfd.c
index 997cb5d0a..1cff53301 100644
--- a/drivers/vfio/virqfd.c
+++ b/drivers/vfio/virqfd.c
@@ -101,6 +101,13 @@ static void virqfd_inject(struct work_struct *work)
virqfd->thread(virqfd->opaque, virqfd->data);
}
+static void virqfd_flush_inject(struct work_struct *work)
+{
+ struct virqfd *virqfd = container_of(work, struct virqfd, flush_inject);
+
+ flush_work(&virqfd->inject);
+}
+
int vfio_virqfd_enable(void *opaque,
int (*handler)(void *, void *),
void (*thread)(void *, void *),
@@ -124,6 +131,7 @@ int vfio_virqfd_enable(void *opaque,
INIT_WORK(&virqfd->shutdown, virqfd_shutdown);
INIT_WORK(&virqfd->inject, virqfd_inject);
+ INIT_WORK(&virqfd->flush_inject, virqfd_flush_inject);
irqfd = fdget(fd);
if (!irqfd.file) {
@@ -214,6 +222,19 @@ void vfio_virqfd_disable(struct virqfd **pvirqfd)
}
EXPORT_SYMBOL_GPL(vfio_virqfd_disable);
+void vfio_virqfd_flush_thread(struct virqfd **pvirqfd)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&virqfd_lock, flags);
+ if (*pvirqfd && (*pvirqfd)->thread)
+ queue_work(vfio_irqfd_cleanup_wq, &(*pvirqfd)->flush_inject);
+ spin_unlock_irqrestore(&virqfd_lock, flags);
+
+ flush_workqueue(vfio_irqfd_cleanup_wq);
+}
+EXPORT_SYMBOL_GPL(vfio_virqfd_flush_thread);
+
module_init(vfio_virqfd_init);
module_exit(vfio_virqfd_exit);
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index de110363a..8ed9c9b63 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2513,9 +2513,19 @@ bool vhost_vq_avail_empty(struct vhost_dev *dev, struct vhost_virtqueue *vq)
r = vhost_get_avail_idx(vq, &avail_idx);
if (unlikely(r))
return false;
+
vq->avail_idx = vhost16_to_cpu(vq, avail_idx);
+ if (vq->avail_idx != vq->last_avail_idx) {
+ /* Since we have updated avail_idx, the following
+ * call to vhost_get_vq_desc() will read available
+ * ring entries. Make sure that read happens after
+ * the avail_idx read.
+ */
+ smp_rmb();
+ return false;
+ }
- return vq->avail_idx == vq->last_avail_idx;
+ return true;
}
EXPORT_SYMBOL_GPL(vhost_vq_avail_empty);
@@ -2577,12 +2587,11 @@ EXPORT_SYMBOL_GPL(vhost_disable_notify);
/* Create a new message. */
struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type)
{
- struct vhost_msg_node *node = kmalloc(sizeof *node, GFP_KERNEL);
+ /* Make sure all padding within the structure is initialized. */
+ struct vhost_msg_node *node = kzalloc(sizeof(*node), GFP_KERNEL);
if (!node)
return NULL;
- /* Make sure all padding within the structure is initialized. */
- memset(&node->msg, 0, sizeof node->msg);
node->vq = vq;
node->msg.type = type;
return node;
diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c
index 882359dd2..aa0037939 100644
--- a/drivers/video/backlight/da9052_bl.c
+++ b/drivers/video/backlight/da9052_bl.c
@@ -117,6 +117,7 @@ static int da9052_backlight_probe(struct platform_device *pdev)
wleds->led_reg = platform_get_device_id(pdev)->driver_data;
wleds->state = DA9052_WLEDS_OFF;
+ memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = DA9052_MAX_BRIGHTNESS;
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 419b0334c..2134342c2 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -229,7 +229,7 @@ static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
if (rval < 0)
goto out_i2c_err;
brightness |= rval;
- goto out;
+ return brightness;
}
/* disable sleep */
@@ -240,11 +240,8 @@ static int lm3630a_bank_a_get_brightness(struct backlight_device *bl)
rval = lm3630a_read(pchip, REG_BRT_A);
if (rval < 0)
goto out_i2c_err;
- brightness = rval;
+ return rval;
-out:
- bl->props.brightness = brightness;
- return bl->props.brightness;
out_i2c_err:
dev_err(pchip->dev, "i2c failed to access register\n");
return 0;
@@ -306,7 +303,7 @@ static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
if (rval < 0)
goto out_i2c_err;
brightness |= rval;
- goto out;
+ return brightness;
}
/* disable sleep */
@@ -317,11 +314,8 @@ static int lm3630a_bank_b_get_brightness(struct backlight_device *bl)
rval = lm3630a_read(pchip, REG_BRT_B);
if (rval < 0)
goto out_i2c_err;
- brightness = rval;
+ return rval;
-out:
- bl->props.brightness = brightness;
- return bl->props.brightness;
out_i2c_err:
dev_err(pchip->dev, "i2c failed to access register\n");
return 0;
@@ -339,6 +333,7 @@ static int lm3630a_backlight_register(struct lm3630a_chip *pchip)
struct backlight_properties props;
const char *label;
+ memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
if (pdata->leda_ctrl != LM3630A_LEDA_DISABLE) {
props.brightness = pdata->leda_init_brt;
diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index 48c04155a..bb617f467 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -339,6 +339,7 @@ static int lm3639_probe(struct i2c_client *client,
}
/* backlight */
+ memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.brightness = pdata->init_brt_led;
props.max_brightness = pdata->max_brt_led;
diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
index ba42f3fe0..d9b95dbd4 100644
--- a/drivers/video/backlight/lp8788_bl.c
+++ b/drivers/video/backlight/lp8788_bl.c
@@ -191,6 +191,7 @@ static int lp8788_backlight_register(struct lp8788_bl *bl)
int init_brt;
char *name;
+ memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_PLATFORM;
props.max_brightness = MAX_BRIGHTNESS;
diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c
index 1bf82dbc9..3c29a5eb4 100644
--- a/drivers/video/fbdev/core/fbmon.c
+++ b/drivers/video/fbdev/core/fbmon.c
@@ -1311,7 +1311,7 @@ int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, struct fb_inf
int fb_videomode_from_videomode(const struct videomode *vm,
struct fb_videomode *fbmode)
{
- unsigned int htotal, vtotal;
+ unsigned int htotal, vtotal, total;
fbmode->xres = vm->hactive;
fbmode->left_margin = vm->hback_porch;
@@ -1344,8 +1344,9 @@ int fb_videomode_from_videomode(const struct videomode *vm,
vtotal = vm->vactive + vm->vfront_porch + vm->vback_porch +
vm->vsync_len;
/* prevent division by zero */
- if (htotal && vtotal) {
- fbmode->refresh = vm->pixelclock / (htotal * vtotal);
+ total = htotal * vtotal;
+ if (total) {
+ fbmode->refresh = vm->pixelclock / total;
/* a mode must have htotal and vtotal != 0 or it is invalid */
} else {
fbmode->refresh = 0;
diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c
index 0ac750cc5..94ebd8af5 100644
--- a/drivers/video/fbdev/savage/savagefb_driver.c
+++ b/drivers/video/fbdev/savage/savagefb_driver.c
@@ -868,6 +868,9 @@ static int savagefb_check_var(struct fb_var_screeninfo *var,
DBG("savagefb_check_var");
+ if (!var->pixclock)
+ return -EINVAL;
+
var->transp.offset = 0;
var->transp.length = 0;
switch (var->bits_per_pixel) {
diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 03c736f6f..e540cb0c5 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -1474,6 +1474,8 @@ sisfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
vtotal = var->upper_margin + var->lower_margin + var->vsync_len;
+ if (!var->pixclock)
+ return -EINVAL;
pixclock = var->pixclock;
if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
diff --git a/drivers/video/fbdev/via/accel.c b/drivers/video/fbdev/via/accel.c
index 0a1bc7a4d..1e04026f0 100644
--- a/drivers/video/fbdev/via/accel.c
+++ b/drivers/video/fbdev/via/accel.c
@@ -115,7 +115,7 @@ static int hw_bitblt_1(void __iomem *engine, u8 op, u32 width, u32 height,
if (op != VIA_BITBLT_FILL) {
tmp = src_mem ? 0 : src_addr;
- if (dst_addr & 0xE0000007) {
+ if (tmp & 0xE0000007) {
printk(KERN_WARNING "hw_bitblt_1: Unsupported source "
"address %X\n", tmp);
return -EINVAL;
@@ -260,7 +260,7 @@ static int hw_bitblt_2(void __iomem *engine, u8 op, u32 width, u32 height,
writel(tmp, engine + 0x18);
tmp = src_mem ? 0 : src_addr;
- if (dst_addr & 0xE0000007) {
+ if (tmp & 0xE0000007) {
printk(KERN_WARNING "hw_bitblt_2: Unsupported source "
"address %X\n", tmp);
return -EINVAL;
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
index 441bc0578..5df51095d 100644
--- a/drivers/virtio/virtio.c
+++ b/drivers/virtio/virtio.c
@@ -403,13 +403,19 @@ EXPORT_SYMBOL_GPL(unregister_virtio_device);
int virtio_device_freeze(struct virtio_device *dev)
{
struct virtio_driver *drv = drv_to_virtio(dev->dev.driver);
+ int ret;
virtio_config_disable(dev);
dev->failed = dev->config->get_status(dev) & VIRTIO_CONFIG_S_FAILED;
- if (drv && drv->freeze)
- return drv->freeze(dev);
+ if (drv && drv->freeze) {
+ ret = drv->freeze(dev);
+ if (ret) {
+ virtio_config_enable(dev);
+ return ret;
+ }
+ }
return 0;
}
diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index 2b4831842..6340ca058 100644
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -263,6 +263,7 @@ static struct watchdog_device wdt_dev = {
static int __init it87_wdt_init(void)
{
u8 chip_rev;
+ u8 ctrl;
int rc;
rc = superio_enter();
@@ -321,7 +322,18 @@ static int __init it87_wdt_init(void)
superio_select(GPIO);
superio_outb(WDT_TOV1, WDTCFG);
- superio_outb(0x00, WDTCTRL);
+
+ switch (chip_type) {
+ case IT8784_ID:
+ case IT8786_ID:
+ ctrl = superio_inb(WDTCTRL);
+ ctrl &= 0x08;
+ superio_outb(ctrl, WDTCTRL);
+ break;
+ default:
+ superio_outb(0x00, WDTCTRL);
+ }
+
superio_exit();
if (timeout < 1 || timeout > max_units * 60) {
diff --git a/drivers/watchdog/stm32_iwdg.c b/drivers/watchdog/stm32_iwdg.c
index 25188d6bb..16dd1aab7 100644
--- a/drivers/watchdog/stm32_iwdg.c
+++ b/drivers/watchdog/stm32_iwdg.c
@@ -21,6 +21,8 @@
#include <linux/platform_device.h>
#include <linux/watchdog.h>
+#define DEFAULT_TIMEOUT 10
+
/* IWDG registers */
#define IWDG_KR 0x00 /* Key register */
#define IWDG_PR 0x04 /* Prescaler Register */
@@ -254,6 +256,7 @@ static int stm32_iwdg_probe(struct platform_device *pdev)
wdd->parent = dev;
wdd->info = &stm32_iwdg_info;
wdd->ops = &stm32_iwdg_ops;
+ wdd->timeout = DEFAULT_TIMEOUT;
wdd->min_timeout = DIV_ROUND_UP((RLR_MIN + 1) * PR_MIN, wdt->rate);
wdd->max_hw_heartbeat_ms = ((RLR_MAX + 1) * wdt->data->max_prescaler *
1000) / wdt->rate;
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 24e399849..f608663bd 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -885,8 +885,8 @@ static void shutdown_pirq(struct irq_data *data)
return;
do_mask(info, EVT_MASK_REASON_EXPLICIT);
- xen_evtchn_close(evtchn);
xen_irq_info_cleanup(info);
+ xen_evtchn_close(evtchn);
}
static void enable_pirq(struct irq_data *data)
@@ -929,8 +929,6 @@ static void __unbind_from_irq(unsigned int irq)
if (VALID_EVTCHN(evtchn)) {
unsigned int cpu = cpu_from_irq(irq);
- xen_evtchn_close(evtchn);
-
switch (type_from_irq(irq)) {
case IRQT_VIRQ:
per_cpu(virq_to_irq, cpu)[virq_from_irq(irq)] = -1;
@@ -943,6 +941,7 @@ static void __unbind_from_irq(unsigned int irq)
}
xen_irq_info_cleanup(info);
+ xen_evtchn_close(evtchn);
}
xen_free_irq(irq);
diff --git a/drivers/xen/gntdev-dmabuf.c b/drivers/xen/gntdev-dmabuf.c
index 4c13cbc99..398ea69c1 100644
--- a/drivers/xen/gntdev-dmabuf.c
+++ b/drivers/xen/gntdev-dmabuf.c
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/dma-buf.h>
+#include <linux/dma-direct.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/uaccess.h>
@@ -56,7 +57,7 @@ struct gntdev_dmabuf {
/* Number of pages this buffer has. */
int nr_pages;
- /* Pages of this buffer. */
+ /* Pages of this buffer (only for dma-buf export). */
struct page **pages;
};
@@ -490,7 +491,7 @@ out:
/* DMA buffer import support. */
static int
-dmabuf_imp_grant_foreign_access(struct page **pages, u32 *refs,
+dmabuf_imp_grant_foreign_access(unsigned long *gfns, u32 *refs,
int count, int domid)
{
grant_ref_t priv_gref_head;
@@ -513,7 +514,7 @@ dmabuf_imp_grant_foreign_access(struct page **pages, u32 *refs,
}
gnttab_grant_foreign_access_ref(cur_ref, domid,
- xen_page_to_gfn(pages[i]), 0);
+ gfns[i], 0);
refs[i] = cur_ref;
}
@@ -535,7 +536,6 @@ static void dmabuf_imp_end_foreign_access(u32 *refs, int count)
static void dmabuf_imp_free_storage(struct gntdev_dmabuf *gntdev_dmabuf)
{
- kfree(gntdev_dmabuf->pages);
kfree(gntdev_dmabuf->u.imp.refs);
kfree(gntdev_dmabuf);
}
@@ -555,12 +555,6 @@ static struct gntdev_dmabuf *dmabuf_imp_alloc_storage(int count)
if (!gntdev_dmabuf->u.imp.refs)
goto fail;
- gntdev_dmabuf->pages = kcalloc(count,
- sizeof(gntdev_dmabuf->pages[0]),
- GFP_KERNEL);
- if (!gntdev_dmabuf->pages)
- goto fail;
-
gntdev_dmabuf->nr_pages = count;
for (i = 0; i < count; i++)
@@ -582,7 +576,8 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
struct dma_buf *dma_buf;
struct dma_buf_attachment *attach;
struct sg_table *sgt;
- struct sg_page_iter sg_iter;
+ struct sg_dma_page_iter sg_iter;
+ unsigned long *gfns;
int i;
dma_buf = dma_buf_get(fd);
@@ -630,26 +625,31 @@ dmabuf_imp_to_refs(struct gntdev_dmabuf_priv *priv, struct device *dev,
gntdev_dmabuf->u.imp.sgt = sgt;
- /* Now convert sgt to array of pages and check for page validity. */
+ gfns = kcalloc(count, sizeof(*gfns), GFP_KERNEL);
+ if (!gfns) {
+ ret = ERR_PTR(-ENOMEM);
+ goto fail_unmap;
+ }
+
+ /*
+ * Now convert sgt to array of gfns without accessing underlying pages.
+ * It is not allowed to access the underlying struct page of an sg table
+ * exported by DMA-buf, but since we deal with special Xen dma device here
+ * (not a normal physical one) look at the dma addresses in the sg table
+ * and then calculate gfns directly from them.
+ */
i = 0;
- for_each_sgtable_page(sgt, &sg_iter, 0) {
- struct page *page = sg_page_iter_page(&sg_iter);
- /*
- * Check if page is valid: this can happen if we are given
- * a page from VRAM or other resources which are not backed
- * by a struct page.
- */
- if (!pfn_valid(page_to_pfn(page))) {
- ret = ERR_PTR(-EINVAL);
- goto fail_unmap;
- }
+ for_each_sgtable_dma_page(sgt, &sg_iter, 0) {
+ dma_addr_t addr = sg_page_iter_dma_address(&sg_iter);
+ unsigned long pfn = bfn_to_pfn(XEN_PFN_DOWN(dma_to_phys(dev, addr)));
- gntdev_dmabuf->pages[i++] = page;
+ gfns[i++] = pfn_to_gfn(pfn);
}
- ret = ERR_PTR(dmabuf_imp_grant_foreign_access(gntdev_dmabuf->pages,
+ ret = ERR_PTR(dmabuf_imp_grant_foreign_access(gfns,
gntdev_dmabuf->u.imp.refs,
count, domid));
+ kfree(gfns);
if (IS_ERR(ret))
goto fail_end_access;