diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:22 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:22 +0000 |
commit | b20732900e4636a467c0183a47f7396700f5f743 (patch) | |
tree | 42f079ff82e701ebcb76829974b4caca3e5b6798 /drivers/bus | |
parent | Adding upstream version 6.8.12. (diff) | |
download | linux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz linux-b20732900e4636a467c0183a47f7396700f5f743.zip |
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | drivers/bus/brcmstb_gisb.c | 15 | ||||
-rw-r--r-- | drivers/bus/bt1-apb.c | 1 | ||||
-rw-r--r-- | drivers/bus/mhi/common.h | 38 | ||||
-rw-r--r-- | drivers/bus/mhi/ep/main.c | 5 | ||||
-rw-r--r-- | drivers/bus/mhi/host/boot.c | 11 | ||||
-rw-r--r-- | drivers/bus/mhi/host/init.c | 92 | ||||
-rw-r--r-- | drivers/bus/mhi/host/internal.h | 47 | ||||
-rw-r--r-- | drivers/bus/mhi/host/main.c | 19 | ||||
-rw-r--r-- | drivers/bus/mhi/host/pci_generic.c | 2 | ||||
-rw-r--r-- | drivers/bus/mhi/host/pm.c | 7 | ||||
-rw-r--r-- | drivers/bus/mhi/host/trace.h | 282 | ||||
-rw-r--r-- | drivers/bus/mips_cdmm.c | 2 | ||||
-rw-r--r-- | drivers/bus/sunxi-rsb.c | 4 | ||||
-rw-r--r-- | drivers/bus/ti-sysc.c | 2 | ||||
-rw-r--r-- | drivers/bus/ts-nbus.c | 81 |
15 files changed, 456 insertions, 152 deletions
diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c index b6dfe4340d..65ae758f31 100644 --- a/drivers/bus/brcmstb_gisb.c +++ b/drivers/bus/brcmstb_gisb.c @@ -96,6 +96,20 @@ static const int gisb_offsets_bcm7400[] = { [ARB_ERR_CAP_MASTER] = 0x0d8, }; +static const int gisb_offsets_bcm74165[] = { + [ARB_TIMER] = 0x008, + [ARB_BP_CAP_CLR] = 0x044, + [ARB_BP_CAP_HI_ADDR] = -1, + [ARB_BP_CAP_ADDR] = 0x048, + [ARB_BP_CAP_STATUS] = 0x058, + [ARB_BP_CAP_MASTER] = 0x05c, + [ARB_ERR_CAP_CLR] = 0x038, + [ARB_ERR_CAP_HI_ADDR] = -1, + [ARB_ERR_CAP_ADDR] = 0x020, + [ARB_ERR_CAP_STATUS] = 0x030, + [ARB_ERR_CAP_MASTER] = 0x034, +}; + static const int gisb_offsets_bcm7435[] = { [ARB_TIMER] = 0x00c, [ARB_BP_CAP_CLR] = 0x014, @@ -393,6 +407,7 @@ static const struct of_device_id brcmstb_gisb_arb_of_match[] = { { .compatible = "brcm,bcm7400-gisb-arb", .data = gisb_offsets_bcm7400 }, { .compatible = "brcm,bcm7278-gisb-arb", .data = gisb_offsets_bcm7278 }, { .compatible = "brcm,bcm7038-gisb-arb", .data = gisb_offsets_bcm7038 }, + { .compatible = "brcm,bcm74165-gisb-arb", .data = gisb_offsets_bcm74165 }, { }, }; diff --git a/drivers/bus/bt1-apb.c b/drivers/bus/bt1-apb.c index e97c1d1c75..595fb22b73 100644 --- a/drivers/bus/bt1-apb.c +++ b/drivers/bus/bt1-apb.c @@ -22,7 +22,6 @@ #include <linux/clk.h> #include <linux/reset.h> #include <linux/time64.h> -#include <linux/clk.h> #include <linux/sysfs.h> #define APB_EHB_ISR 0x00 diff --git a/drivers/bus/mhi/common.h b/drivers/bus/mhi/common.h index f794b9c804..dda340aaed 100644 --- a/drivers/bus/mhi/common.h +++ b/drivers/bus/mhi/common.h @@ -297,30 +297,30 @@ struct mhi_ring_element { __le32 dword[2]; }; +#define MHI_STATE_LIST \ + mhi_state(RESET, "RESET") \ + mhi_state(READY, "READY") \ + mhi_state(M0, "M0") \ + mhi_state(M1, "M1") \ + mhi_state(M2, "M2") \ + mhi_state(M3, "M3") \ + mhi_state(M3_FAST, "M3_FAST") \ + mhi_state(BHI, "BHI") \ + mhi_state_end(SYS_ERR, "SYS ERROR") + +#undef mhi_state +#undef mhi_state_end + +#define mhi_state(a, b) case MHI_STATE_##a: return b; +#define mhi_state_end(a, b) case MHI_STATE_##a: return b; + static inline const char *mhi_state_str(enum mhi_state state) { switch (state) { - case MHI_STATE_RESET: - return "RESET"; - case MHI_STATE_READY: - return "READY"; - case MHI_STATE_M0: - return "M0"; - case MHI_STATE_M1: - return "M1"; - case MHI_STATE_M2: - return "M2"; - case MHI_STATE_M3: - return "M3"; - case MHI_STATE_M3_FAST: - return "M3 FAST"; - case MHI_STATE_BHI: - return "BHI"; - case MHI_STATE_SYS_ERR: - return "SYS ERROR"; + MHI_STATE_LIST default: return "Unknown state"; } -}; +} #endif /* _MHI_COMMON_H */ diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c index 65f1f6b9b5..f8f674adf1 100644 --- a/drivers/bus/mhi/ep/main.c +++ b/drivers/bus/mhi/ep/main.c @@ -1149,8 +1149,9 @@ int mhi_ep_power_up(struct mhi_ep_cntrl *mhi_cntrl) mhi_ep_mmio_mask_interrupts(mhi_cntrl); mhi_ep_mmio_init(mhi_cntrl); - mhi_cntrl->mhi_event = kzalloc(mhi_cntrl->event_rings * (sizeof(*mhi_cntrl->mhi_event)), - GFP_KERNEL); + mhi_cntrl->mhi_event = kcalloc(mhi_cntrl->event_rings, + sizeof(*mhi_cntrl->mhi_event), + GFP_KERNEL); if (!mhi_cntrl->mhi_event) return -ENOMEM; diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c index edc0ec5a09..dedd29ca8d 100644 --- a/drivers/bus/mhi/host/boot.c +++ b/drivers/bus/mhi/host/boot.c @@ -395,7 +395,7 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl) void *buf; dma_addr_t dma_addr; size_t size, fw_sz; - int i, ret; + int ret; if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state)) { dev_err(dev, "Device MHI is not in valid state\n"); @@ -408,15 +408,6 @@ void mhi_fw_load_handler(struct mhi_controller *mhi_cntrl) if (ret) dev_err(dev, "Could not capture serial number via BHI\n"); - for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++) { - ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_OEMPKHASH(i), - &mhi_cntrl->oem_pk_hash[i]); - if (ret) { - dev_err(dev, "Could not capture OEM PK HASH via BHI\n"); - break; - } - } - /* wait for ready on pass through or any other execution environment */ if (!MHI_FW_LOAD_CAPABLE(mhi_cntrl->ee)) goto fw_load_ready_state; diff --git a/drivers/bus/mhi/host/init.c b/drivers/bus/mhi/host/init.c index 8e5ec1a409..44f934981d 100644 --- a/drivers/bus/mhi/host/init.c +++ b/drivers/bus/mhi/host/init.c @@ -20,51 +20,49 @@ #include <linux/wait.h> #include "internal.h" +#define CREATE_TRACE_POINTS +#include "trace.h" + static DEFINE_IDA(mhi_controller_ida); +#undef mhi_ee +#undef mhi_ee_end + +#define mhi_ee(a, b) [MHI_EE_##a] = b, +#define mhi_ee_end(a, b) [MHI_EE_##a] = b, + const char * const mhi_ee_str[MHI_EE_MAX] = { - [MHI_EE_PBL] = "PRIMARY BOOTLOADER", - [MHI_EE_SBL] = "SECONDARY BOOTLOADER", - [MHI_EE_AMSS] = "MISSION MODE", - [MHI_EE_RDDM] = "RAMDUMP DOWNLOAD MODE", - [MHI_EE_WFW] = "WLAN FIRMWARE", - [MHI_EE_PTHRU] = "PASS THROUGH", - [MHI_EE_EDL] = "EMERGENCY DOWNLOAD", - [MHI_EE_FP] = "FLASH PROGRAMMER", - [MHI_EE_DISABLE_TRANSITION] = "DISABLE", - [MHI_EE_NOT_SUPPORTED] = "NOT SUPPORTED", + MHI_EE_LIST }; +#undef dev_st_trans +#undef dev_st_trans_end + +#define dev_st_trans(a, b) [DEV_ST_TRANSITION_##a] = b, +#define dev_st_trans_end(a, b) [DEV_ST_TRANSITION_##a] = b, + const char * const dev_state_tran_str[DEV_ST_TRANSITION_MAX] = { - [DEV_ST_TRANSITION_PBL] = "PBL", - [DEV_ST_TRANSITION_READY] = "READY", - [DEV_ST_TRANSITION_SBL] = "SBL", - [DEV_ST_TRANSITION_MISSION_MODE] = "MISSION MODE", - [DEV_ST_TRANSITION_FP] = "FLASH PROGRAMMER", - [DEV_ST_TRANSITION_SYS_ERR] = "SYS ERROR", - [DEV_ST_TRANSITION_DISABLE] = "DISABLE", + DEV_ST_TRANSITION_LIST }; +#undef ch_state_type +#undef ch_state_type_end + +#define ch_state_type(a, b) [MHI_CH_STATE_TYPE_##a] = b, +#define ch_state_type_end(a, b) [MHI_CH_STATE_TYPE_##a] = b, + const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX] = { - [MHI_CH_STATE_TYPE_RESET] = "RESET", - [MHI_CH_STATE_TYPE_STOP] = "STOP", - [MHI_CH_STATE_TYPE_START] = "START", + MHI_CH_STATE_TYPE_LIST }; +#undef mhi_pm_state +#undef mhi_pm_state_end + +#define mhi_pm_state(a, b) [MHI_PM_STATE_##a] = b, +#define mhi_pm_state_end(a, b) [MHI_PM_STATE_##a] = b, + static const char * const mhi_pm_state_str[] = { - [MHI_PM_STATE_DISABLE] = "DISABLE", - [MHI_PM_STATE_POR] = "POWER ON RESET", - [MHI_PM_STATE_M0] = "M0", - [MHI_PM_STATE_M2] = "M2", - [MHI_PM_STATE_M3_ENTER] = "M?->M3", - [MHI_PM_STATE_M3] = "M3", - [MHI_PM_STATE_M3_EXIT] = "M3->M0", - [MHI_PM_STATE_FW_DL_ERR] = "Firmware Download Error", - [MHI_PM_STATE_SYS_ERR_DETECT] = "SYS ERROR Detect", - [MHI_PM_STATE_SYS_ERR_PROCESS] = "SYS ERROR Process", - [MHI_PM_STATE_SYS_ERR_FAIL] = "SYS ERROR Failure", - [MHI_PM_STATE_SHUTDOWN_PROCESS] = "SHUTDOWN Process", - [MHI_PM_STATE_LD_ERR_FATAL_DETECT] = "Linkdown or Error Fatal Detect", + MHI_PM_STATE_LIST }; const char *to_mhi_pm_state_str(u32 state) @@ -98,11 +96,19 @@ static ssize_t oem_pk_hash_show(struct device *dev, { struct mhi_device *mhi_dev = to_mhi_device(dev); struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl; - int i, cnt = 0; + u32 hash_segment[MHI_MAX_OEM_PK_HASH_SEGMENTS]; + int i, cnt = 0, ret; - for (i = 0; i < ARRAY_SIZE(mhi_cntrl->oem_pk_hash); i++) - cnt += sysfs_emit_at(buf, cnt, "OEMPKHASH[%d]: 0x%x\n", - i, mhi_cntrl->oem_pk_hash[i]); + for (i = 0; i < MHI_MAX_OEM_PK_HASH_SEGMENTS; i++) { + ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->bhi, BHI_OEMPKHASH(i), &hash_segment[i]); + if (ret) { + dev_err(dev, "Could not capture OEM PK HASH\n"); + return ret; + } + } + + for (i = 0; i < MHI_MAX_OEM_PK_HASH_SEGMENTS; i++) + cnt += sysfs_emit_at(buf, cnt, "OEMPKHASH[%d]: 0x%x\n", i, hash_segment[i]); return cnt; } @@ -908,7 +914,6 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan; struct mhi_cmd *mhi_cmd; struct mhi_device *mhi_dev; - u32 soc_info; int ret, i; if (!mhi_cntrl || !mhi_cntrl->cntrl_dev || !mhi_cntrl->regs || @@ -983,17 +988,6 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl, mhi_cntrl->unmap_single = mhi_unmap_single_no_bb; } - /* Read the MHI device info */ - ret = mhi_read_reg(mhi_cntrl, mhi_cntrl->regs, - SOC_HW_VERSION_OFFS, &soc_info); - if (ret) - goto err_destroy_wq; - - mhi_cntrl->family_number = FIELD_GET(SOC_HW_VERSION_FAM_NUM_BMSK, soc_info); - mhi_cntrl->device_number = FIELD_GET(SOC_HW_VERSION_DEV_NUM_BMSK, soc_info); - mhi_cntrl->major_version = FIELD_GET(SOC_HW_VERSION_MAJOR_VER_BMSK, soc_info); - mhi_cntrl->minor_version = FIELD_GET(SOC_HW_VERSION_MINOR_VER_BMSK, soc_info); - mhi_cntrl->index = ida_alloc(&mhi_controller_ida, GFP_KERNEL); if (mhi_cntrl->index < 0) { ret = mhi_cntrl->index; diff --git a/drivers/bus/mhi/host/internal.h b/drivers/bus/mhi/host/internal.h index 4b6deea17b..5fe49311b8 100644 --- a/drivers/bus/mhi/host/internal.h +++ b/drivers/bus/mhi/host/internal.h @@ -15,12 +15,6 @@ extern struct bus_type mhi_bus_type; #define MHI_SOC_RESET_REQ_OFFSET 0xb0 #define MHI_SOC_RESET_REQ BIT(0) -#define SOC_HW_VERSION_OFFS 0x224 -#define SOC_HW_VERSION_FAM_NUM_BMSK GENMASK(31, 28) -#define SOC_HW_VERSION_DEV_NUM_BMSK GENMASK(27, 16) -#define SOC_HW_VERSION_MAJOR_VER_BMSK GENMASK(15, 8) -#define SOC_HW_VERSION_MINOR_VER_BMSK GENMASK(7, 0) - struct mhi_ctxt { struct mhi_event_ctxt *er_ctxt; struct mhi_chan_ctxt *chan_ctxt; @@ -42,6 +36,11 @@ enum mhi_ch_state_type { MHI_CH_STATE_TYPE_MAX, }; +#define MHI_CH_STATE_TYPE_LIST \ + ch_state_type(RESET, "RESET") \ + ch_state_type(STOP, "STOP") \ + ch_state_type_end(START, "START") + extern const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX]; #define TO_CH_STATE_TYPE_STR(state) (((state) >= MHI_CH_STATE_TYPE_MAX) ? \ "INVALID_STATE" : \ @@ -50,6 +49,18 @@ extern const char * const mhi_ch_state_type_str[MHI_CH_STATE_TYPE_MAX]; #define MHI_INVALID_BRSTMODE(mode) (mode != MHI_DB_BRST_DISABLE && \ mode != MHI_DB_BRST_ENABLE) +#define MHI_EE_LIST \ + mhi_ee(PBL, "PRIMARY BOOTLOADER") \ + mhi_ee(SBL, "SECONDARY BOOTLOADER") \ + mhi_ee(AMSS, "MISSION MODE") \ + mhi_ee(RDDM, "RAMDUMP DOWNLOAD MODE")\ + mhi_ee(WFW, "WLAN FIRMWARE") \ + mhi_ee(PTHRU, "PASS THROUGH") \ + mhi_ee(EDL, "EMERGENCY DOWNLOAD") \ + mhi_ee(FP, "FLASH PROGRAMMER") \ + mhi_ee(DISABLE_TRANSITION, "DISABLE") \ + mhi_ee_end(NOT_SUPPORTED, "NOT SUPPORTED") + extern const char * const mhi_ee_str[MHI_EE_MAX]; #define TO_MHI_EXEC_STR(ee) (((ee) >= MHI_EE_MAX) ? \ "INVALID_EE" : mhi_ee_str[ee]) @@ -72,6 +83,15 @@ enum dev_st_transition { DEV_ST_TRANSITION_MAX, }; +#define DEV_ST_TRANSITION_LIST \ + dev_st_trans(PBL, "PBL") \ + dev_st_trans(READY, "READY") \ + dev_st_trans(SBL, "SBL") \ + dev_st_trans(MISSION_MODE, "MISSION MODE") \ + dev_st_trans(FP, "FLASH PROGRAMMER") \ + dev_st_trans(SYS_ERR, "SYS ERROR") \ + dev_st_trans_end(DISABLE, "DISABLE") + extern const char * const dev_state_tran_str[DEV_ST_TRANSITION_MAX]; #define TO_DEV_STATE_TRANS_STR(state) (((state) >= DEV_ST_TRANSITION_MAX) ? \ "INVALID_STATE" : dev_state_tran_str[state]) @@ -94,6 +114,21 @@ enum mhi_pm_state { MHI_PM_STATE_MAX }; +#define MHI_PM_STATE_LIST \ + mhi_pm_state(DISABLE, "DISABLE") \ + mhi_pm_state(POR, "POWER ON RESET") \ + mhi_pm_state(M0, "M0") \ + mhi_pm_state(M2, "M2") \ + mhi_pm_state(M3_ENTER, "M?->M3") \ + mhi_pm_state(M3, "M3") \ + mhi_pm_state(M3_EXIT, "M3->M0") \ + mhi_pm_state(FW_DL_ERR, "Firmware Download Error") \ + mhi_pm_state(SYS_ERR_DETECT, "SYS ERROR Detect") \ + mhi_pm_state(SYS_ERR_PROCESS, "SYS ERROR Process") \ + mhi_pm_state(SYS_ERR_FAIL, "SYS ERROR Failure") \ + mhi_pm_state(SHUTDOWN_PROCESS, "SHUTDOWN Process") \ + mhi_pm_state_end(LD_ERR_FATAL_DETECT, "Linkdown or Error Fatal Detect") + #define MHI_PM_DISABLE BIT(0) #define MHI_PM_POR BIT(1) #define MHI_PM_M0 BIT(2) diff --git a/drivers/bus/mhi/host/main.c b/drivers/bus/mhi/host/main.c index abb561db9a..15d657af9b 100644 --- a/drivers/bus/mhi/host/main.c +++ b/drivers/bus/mhi/host/main.c @@ -15,6 +15,7 @@ #include <linux/skbuff.h> #include <linux/slab.h> #include "internal.h" +#include "trace.h" int __must_check mhi_read_reg(struct mhi_controller *mhi_cntrl, void __iomem *base, u32 offset, u32 *out) @@ -493,11 +494,8 @@ irqreturn_t mhi_intvec_threaded_handler(int irq_number, void *priv) state = mhi_get_mhi_state(mhi_cntrl); ee = mhi_get_exec_env(mhi_cntrl); - dev_dbg(dev, "local ee: %s state: %s device ee: %s state: %s\n", - TO_MHI_EXEC_STR(mhi_cntrl->ee), - mhi_state_str(mhi_cntrl->dev_state), - TO_MHI_EXEC_STR(ee), mhi_state_str(state)); + trace_mhi_intvec_states(mhi_cntrl, ee, state); if (state == MHI_STATE_SYS_ERR) { dev_dbg(dev, "System error detected\n"); pm_state = mhi_tryset_pm_state(mhi_cntrl, @@ -838,6 +836,8 @@ int mhi_process_ctrl_ev_ring(struct mhi_controller *mhi_cntrl, while (dev_rp != local_rp) { enum mhi_pkt_type type = MHI_TRE_GET_EV_TYPE(local_rp); + trace_mhi_ctrl_event(mhi_cntrl, local_rp); + switch (type) { case MHI_PKT_TYPE_BW_REQ_EVENT: { @@ -1003,6 +1003,8 @@ int mhi_process_data_event_ring(struct mhi_controller *mhi_cntrl, while (dev_rp != local_rp && event_quota > 0) { enum mhi_pkt_type type = MHI_TRE_GET_EV_TYPE(local_rp); + trace_mhi_data_event(mhi_cntrl, local_rp); + chan = MHI_TRE_GET_EV_CHID(local_rp); WARN_ON(chan >= mhi_cntrl->max_chan); @@ -1243,6 +1245,7 @@ int mhi_gen_tre(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, mhi_tre->dword[0] = MHI_TRE_DATA_DWORD0(info->len); mhi_tre->dword[1] = MHI_TRE_DATA_DWORD1(bei, eot, eob, chain); + trace_mhi_gen_tre(mhi_cntrl, mhi_chan, mhi_tre); /* increment WP */ mhi_add_ring_element(mhi_cntrl, tre_ring); mhi_add_ring_element(mhi_cntrl, buf_ring); @@ -1337,9 +1340,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl, enum mhi_cmd_type cmd = MHI_CMD_NOP; int ret; - dev_dbg(dev, "%d: Updating channel state to: %s\n", mhi_chan->chan, - TO_CH_STATE_TYPE_STR(to_state)); - + trace_mhi_channel_command_start(mhi_cntrl, mhi_chan, to_state, TPS("Updating")); switch (to_state) { case MHI_CH_STATE_TYPE_RESET: write_lock_irq(&mhi_chan->lock); @@ -1406,9 +1407,7 @@ static int mhi_update_channel_state(struct mhi_controller *mhi_cntrl, write_unlock_irq(&mhi_chan->lock); } - dev_dbg(dev, "%d: Channel state change to %s successful\n", - mhi_chan->chan, TO_CH_STATE_TYPE_STR(to_state)); - + trace_mhi_channel_command_end(mhi_cntrl, mhi_chan, to_state, TPS("Updated")); exit_channel_update: mhi_cntrl->runtime_put(mhi_cntrl); mhi_device_put(mhi_cntrl->mhi_dev); diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c index cd6cd14b3d..51639bfcfe 100644 --- a/drivers/bus/mhi/host/pci_generic.c +++ b/drivers/bus/mhi/host/pci_generic.c @@ -538,7 +538,7 @@ static struct mhi_event_config mhi_telit_fn980_hw_v1_events[] = { MHI_EVENT_CONFIG_HW_DATA(2, 2048, 101) }; -static struct mhi_controller_config modem_telit_fn980_hw_v1_config = { +static const struct mhi_controller_config modem_telit_fn980_hw_v1_config = { .max_channels = 128, .timeout_ms = 20000, .num_channels = ARRAY_SIZE(mhi_telit_fn980_hw_v1_channels), diff --git a/drivers/bus/mhi/host/pm.c b/drivers/bus/mhi/host/pm.c index d0d033ce99..8b40d3f01a 100644 --- a/drivers/bus/mhi/host/pm.c +++ b/drivers/bus/mhi/host/pm.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/wait.h> #include "internal.h" +#include "trace.h" /* * Not all MHI state transitions are synchronous. Transitions like Linkdown, @@ -131,6 +132,7 @@ enum mhi_pm_state __must_check mhi_tryset_pm_state(struct mhi_controller *mhi_cn if (unlikely(!(dev_state_transitions[index].to_states & state))) return cur_state; + trace_mhi_tryset_pm_state(mhi_cntrl, state); mhi_cntrl->pm_state = state; return mhi_cntrl->pm_state; } @@ -772,7 +774,6 @@ void mhi_pm_st_worker(struct work_struct *work) struct mhi_controller *mhi_cntrl = container_of(work, struct mhi_controller, st_worker); - struct device *dev = &mhi_cntrl->mhi_dev->dev; spin_lock_irq(&mhi_cntrl->transition_lock); list_splice_tail_init(&mhi_cntrl->transition_list, &head); @@ -780,8 +781,8 @@ void mhi_pm_st_worker(struct work_struct *work) list_for_each_entry_safe(itr, tmp, &head, node) { list_del(&itr->node); - dev_dbg(dev, "Handling state transition: %s\n", - TO_DEV_STATE_TRANS_STR(itr->state)); + + trace_mhi_pm_st_transition(mhi_cntrl, itr->state); switch (itr->state) { case DEV_ST_TRANSITION_PBL: diff --git a/drivers/bus/mhi/host/trace.h b/drivers/bus/mhi/host/trace.h new file mode 100644 index 0000000000..368515dcb2 --- /dev/null +++ b/drivers/bus/mhi/host/trace.h @@ -0,0 +1,282 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mhi_host + +#if !defined(_TRACE_EVENT_MHI_HOST_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_EVENT_MHI_HOST_H + +#include <linux/tracepoint.h> +#include <linux/trace_seq.h> +#include "../common.h" +#include "internal.h" + +#undef mhi_state +#undef mhi_state_end + +#define mhi_state(a, b) TRACE_DEFINE_ENUM(MHI_STATE_##a); +#define mhi_state_end(a, b) TRACE_DEFINE_ENUM(MHI_STATE_##a); + +MHI_STATE_LIST + +#undef mhi_state +#undef mhi_state_end + +#define mhi_state(a, b) { MHI_STATE_##a, b }, +#define mhi_state_end(a, b) { MHI_STATE_##a, b } + +#undef mhi_pm_state +#undef mhi_pm_state_end + +#define mhi_pm_state(a, b) TRACE_DEFINE_ENUM(MHI_PM_STATE_##a); +#define mhi_pm_state_end(a, b) TRACE_DEFINE_ENUM(MHI_PM_STATE_##a); + +MHI_PM_STATE_LIST + +#undef mhi_pm_state +#undef mhi_pm_state_end + +#define mhi_pm_state(a, b) { MHI_PM_STATE_##a, b }, +#define mhi_pm_state_end(a, b) { MHI_PM_STATE_##a, b } + +#undef mhi_ee +#undef mhi_ee_end + +#define mhi_ee(a, b) TRACE_DEFINE_ENUM(MHI_EE_##a); +#define mhi_ee_end(a, b) TRACE_DEFINE_ENUM(MHI_EE_##a); + +MHI_EE_LIST + +#undef mhi_ee +#undef mhi_ee_end + +#define mhi_ee(a, b) { MHI_EE_##a, b }, +#define mhi_ee_end(a, b) { MHI_EE_##a, b } + +#undef ch_state_type +#undef ch_state_type_end + +#define ch_state_type(a, b) TRACE_DEFINE_ENUM(MHI_CH_STATE_TYPE_##a); +#define ch_state_type_end(a, b) TRACE_DEFINE_ENUM(MHI_CH_STATE_TYPE_##a); + +MHI_CH_STATE_TYPE_LIST + +#undef ch_state_type +#undef ch_state_type_end + +#define ch_state_type(a, b) { MHI_CH_STATE_TYPE_##a, b }, +#define ch_state_type_end(a, b) { MHI_CH_STATE_TYPE_##a, b } + +#undef dev_st_trans +#undef dev_st_trans_end + +#define dev_st_trans(a, b) TRACE_DEFINE_ENUM(DEV_ST_TRANSITION_##a); +#define dev_st_trans_end(a, b) TRACE_DEFINE_ENUM(DEV_ST_TRANSITION_##a); + +DEV_ST_TRANSITION_LIST + +#undef dev_st_trans +#undef dev_st_trans_end + +#define dev_st_trans(a, b) { DEV_ST_TRANSITION_##a, b }, +#define dev_st_trans_end(a, b) { DEV_ST_TRANSITION_##a, b } + +#define TPS(x) tracepoint_string(x) + +TRACE_EVENT(mhi_gen_tre, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, + struct mhi_ring_element *mhi_tre), + + TP_ARGS(mhi_cntrl, mhi_chan, mhi_tre), + + TP_STRUCT__entry( + __string(name, mhi_cntrl->mhi_dev->name) + __field(int, ch_num) + __field(void *, wp) + __field(__le64, tre_ptr) + __field(__le32, dword0) + __field(__le32, dword1) + ), + + TP_fast_assign( + __assign_str(name, mhi_cntrl->mhi_dev->name); + __entry->ch_num = mhi_chan->chan; + __entry->wp = mhi_tre; + __entry->tre_ptr = mhi_tre->ptr; + __entry->dword0 = mhi_tre->dword[0]; + __entry->dword1 = mhi_tre->dword[1]; + ), + + TP_printk("%s: Chan: %d TRE: 0x%p TRE buf: 0x%llx DWORD0: 0x%08x DWORD1: 0x%08x\n", + __get_str(name), __entry->ch_num, __entry->wp, __entry->tre_ptr, + __entry->dword0, __entry->dword1) +); + +TRACE_EVENT(mhi_intvec_states, + + TP_PROTO(struct mhi_controller *mhi_cntrl, int dev_ee, int dev_state), + + TP_ARGS(mhi_cntrl, dev_ee, dev_state), + + TP_STRUCT__entry( + __string(name, mhi_cntrl->mhi_dev->name) + __field(int, local_ee) + __field(int, state) + __field(int, dev_ee) + __field(int, dev_state) + ), + + TP_fast_assign( + __assign_str(name, mhi_cntrl->mhi_dev->name); + __entry->local_ee = mhi_cntrl->ee; + __entry->state = mhi_cntrl->dev_state; + __entry->dev_ee = dev_ee; + __entry->dev_state = dev_state; + ), + + TP_printk("%s: Local EE: %s State: %s Device EE: %s Dev State: %s\n", + __get_str(name), + __print_symbolic(__entry->local_ee, MHI_EE_LIST), + __print_symbolic(__entry->state, MHI_STATE_LIST), + __print_symbolic(__entry->dev_ee, MHI_EE_LIST), + __print_symbolic(__entry->dev_state, MHI_STATE_LIST)) +); + +TRACE_EVENT(mhi_tryset_pm_state, + + TP_PROTO(struct mhi_controller *mhi_cntrl, int pm_state), + + TP_ARGS(mhi_cntrl, pm_state), + + TP_STRUCT__entry( + __string(name, mhi_cntrl->mhi_dev->name) + __field(int, pm_state) + ), + + TP_fast_assign( + __assign_str(name, mhi_cntrl->mhi_dev->name); + if (pm_state) + pm_state = __fls(pm_state); + __entry->pm_state = pm_state; + ), + + TP_printk("%s: PM state: %s\n", __get_str(name), + __print_symbolic(__entry->pm_state, MHI_PM_STATE_LIST)) +); + +DECLARE_EVENT_CLASS(mhi_process_event_ring, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp), + + TP_ARGS(mhi_cntrl, rp), + + TP_STRUCT__entry( + __string(name, mhi_cntrl->mhi_dev->name) + __field(__le32, dword0) + __field(__le32, dword1) + __field(int, state) + __field(__le64, ptr) + __field(void *, rp) + ), + + TP_fast_assign( + __assign_str(name, mhi_cntrl->mhi_dev->name); + __entry->rp = rp; + __entry->ptr = rp->ptr; + __entry->dword0 = rp->dword[0]; + __entry->dword1 = rp->dword[1]; + __entry->state = MHI_TRE_GET_EV_STATE(rp); + ), + + TP_printk("%s: TRE: 0x%p TRE buf: 0x%llx DWORD0: 0x%08x DWORD1: 0x%08x State: %s\n", + __get_str(name), __entry->rp, __entry->ptr, __entry->dword0, + __entry->dword1, __print_symbolic(__entry->state, MHI_STATE_LIST)) +); + +DEFINE_EVENT(mhi_process_event_ring, mhi_data_event, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp), + + TP_ARGS(mhi_cntrl, rp) +); + +DEFINE_EVENT(mhi_process_event_ring, mhi_ctrl_event, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_ring_element *rp), + + TP_ARGS(mhi_cntrl, rp) +); + +DECLARE_EVENT_CLASS(mhi_update_channel_state, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state, + const char *reason), + + TP_ARGS(mhi_cntrl, mhi_chan, state, reason), + + TP_STRUCT__entry( + __string(name, mhi_cntrl->mhi_dev->name) + __field(int, ch_num) + __field(int, state) + __field(const char *, reason) + ), + + TP_fast_assign( + __assign_str(name, mhi_cntrl->mhi_dev->name); + __entry->ch_num = mhi_chan->chan; + __entry->state = state; + __entry->reason = reason; + ), + + TP_printk("%s: chan%d: %s state to: %s\n", + __get_str(name), __entry->ch_num, __entry->reason, + __print_symbolic(__entry->state, MHI_CH_STATE_TYPE_LIST)) +); + +DEFINE_EVENT(mhi_update_channel_state, mhi_channel_command_start, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state, + const char *reason), + + TP_ARGS(mhi_cntrl, mhi_chan, state, reason) +); + +DEFINE_EVENT(mhi_update_channel_state, mhi_channel_command_end, + + TP_PROTO(struct mhi_controller *mhi_cntrl, struct mhi_chan *mhi_chan, int state, + const char *reason), + + TP_ARGS(mhi_cntrl, mhi_chan, state, reason) +); + +TRACE_EVENT(mhi_pm_st_transition, + + TP_PROTO(struct mhi_controller *mhi_cntrl, int state), + + TP_ARGS(mhi_cntrl, state), + + TP_STRUCT__entry( + __string(name, mhi_cntrl->mhi_dev->name) + __field(int, state) + ), + + TP_fast_assign( + __assign_str(name, mhi_cntrl->mhi_dev->name); + __entry->state = state; + ), + + TP_printk("%s: Handling state transition: %s\n", __get_str(name), + __print_symbolic(__entry->state, DEV_ST_TRANSITION_LIST)) +); + +#endif +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/bus/mhi/host +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +#include <trace/define_trace.h> diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c index 554e1992ed..8baf14bd5e 100644 --- a/drivers/bus/mips_cdmm.c +++ b/drivers/bus/mips_cdmm.c @@ -118,7 +118,7 @@ static struct attribute *mips_cdmm_dev_attrs[] = { }; ATTRIBUTE_GROUPS(mips_cdmm_dev); -struct bus_type mips_cdmm_bustype = { +const struct bus_type mips_cdmm_bustype = { .name = "cdmm", .dev_groups = mips_cdmm_dev_groups, .match = mips_cdmm_match, diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c index fd3e9d8234..1e29ba7661 100644 --- a/drivers/bus/sunxi-rsb.c +++ b/drivers/bus/sunxi-rsb.c @@ -128,7 +128,7 @@ struct sunxi_rsb { }; /* bus / slave device related functions */ -static struct bus_type sunxi_rsb_bus; +static const struct bus_type sunxi_rsb_bus; static int sunxi_rsb_device_match(struct device *dev, struct device_driver *drv) { @@ -177,7 +177,7 @@ static int sunxi_rsb_device_modalias(const struct device *dev, struct kobj_ueven return of_device_uevent_modalias(dev, env); } -static struct bus_type sunxi_rsb_bus = { +static const struct bus_type sunxi_rsb_bus = { .name = RSB_CTRL_NAME, .match = sunxi_rsb_device_match, .probe = sunxi_rsb_device_probe, diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 245e5e827d..41d33f39ef 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -2400,7 +2400,7 @@ static int sysc_child_add_clocks(struct sysc *ddata, return 0; } -static struct device_type sysc_device_type = { +static const struct device_type sysc_device_type = { }; static struct sysc *sysc_child_to_parent(struct device *dev) diff --git a/drivers/bus/ts-nbus.c b/drivers/bus/ts-nbus.c index 4fa932cb09..baf22a82c4 100644 --- a/drivers/bus/ts-nbus.c +++ b/drivers/bus/ts-nbus.c @@ -39,45 +39,39 @@ struct ts_nbus { /* * request all gpios required by the bus. */ -static int ts_nbus_init_pdata(struct platform_device *pdev, struct ts_nbus - *ts_nbus) +static int ts_nbus_init_pdata(struct platform_device *pdev, + struct ts_nbus *ts_nbus) { ts_nbus->data = devm_gpiod_get_array(&pdev->dev, "ts,data", GPIOD_OUT_HIGH); - if (IS_ERR(ts_nbus->data)) { - dev_err(&pdev->dev, "failed to retrieve ts,data-gpio from dts\n"); - return PTR_ERR(ts_nbus->data); - } + if (IS_ERR(ts_nbus->data)) + return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->data), + "failed to retrieve ts,data-gpio from dts\n"); ts_nbus->csn = devm_gpiod_get(&pdev->dev, "ts,csn", GPIOD_OUT_HIGH); - if (IS_ERR(ts_nbus->csn)) { - dev_err(&pdev->dev, "failed to retrieve ts,csn-gpio from dts\n"); - return PTR_ERR(ts_nbus->csn); - } + if (IS_ERR(ts_nbus->csn)) + return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->csn), + "failed to retrieve ts,csn-gpio from dts\n"); ts_nbus->txrx = devm_gpiod_get(&pdev->dev, "ts,txrx", GPIOD_OUT_HIGH); - if (IS_ERR(ts_nbus->txrx)) { - dev_err(&pdev->dev, "failed to retrieve ts,txrx-gpio from dts\n"); - return PTR_ERR(ts_nbus->txrx); - } + if (IS_ERR(ts_nbus->txrx)) + return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->txrx), + "failed to retrieve ts,txrx-gpio from dts\n"); ts_nbus->strobe = devm_gpiod_get(&pdev->dev, "ts,strobe", GPIOD_OUT_HIGH); - if (IS_ERR(ts_nbus->strobe)) { - dev_err(&pdev->dev, "failed to retrieve ts,strobe-gpio from dts\n"); - return PTR_ERR(ts_nbus->strobe); - } + if (IS_ERR(ts_nbus->strobe)) + return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->strobe), + "failed to retrieve ts,strobe-gpio from dts\n"); ts_nbus->ale = devm_gpiod_get(&pdev->dev, "ts,ale", GPIOD_OUT_HIGH); - if (IS_ERR(ts_nbus->ale)) { - dev_err(&pdev->dev, "failed to retrieve ts,ale-gpio from dts\n"); - return PTR_ERR(ts_nbus->ale); - } + if (IS_ERR(ts_nbus->ale)) + return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->ale), + "failed to retrieve ts,ale-gpio from dts\n"); ts_nbus->rdy = devm_gpiod_get(&pdev->dev, "ts,rdy", GPIOD_IN); - if (IS_ERR(ts_nbus->rdy)) { - dev_err(&pdev->dev, "failed to retrieve ts,rdy-gpio from dts\n"); - return PTR_ERR(ts_nbus->rdy); - } + if (IS_ERR(ts_nbus->rdy)) + return dev_err_probe(&pdev->dev, PTR_ERR(ts_nbus->rdy), + "failed to retrieve ts,rdy-gpio from dts\n"); return 0; } @@ -273,7 +267,7 @@ EXPORT_SYMBOL_GPL(ts_nbus_write); static int ts_nbus_probe(struct platform_device *pdev) { struct pwm_device *pwm; - struct pwm_args pargs; + struct pwm_state state; struct device *dev = &pdev->dev; struct ts_nbus *ts_nbus; int ret; @@ -289,32 +283,24 @@ static int ts_nbus_probe(struct platform_device *pdev) return ret; pwm = devm_pwm_get(dev, NULL); - if (IS_ERR(pwm)) { - ret = PTR_ERR(pwm); - if (ret != -EPROBE_DEFER) - dev_err(dev, "unable to request PWM\n"); - return ret; - } + if (IS_ERR(pwm)) + return dev_err_probe(dev, PTR_ERR(pwm), + "unable to request PWM\n"); - pwm_get_args(pwm, &pargs); - if (!pargs.period) { - dev_err(&pdev->dev, "invalid PWM period\n"); - return -EINVAL; - } + pwm_init_state(pwm, &state); + if (!state.period) + return dev_err_probe(dev, -EINVAL, "invalid PWM period\n"); - /* - * FIXME: pwm_apply_args() should be removed when switching to - * the atomic PWM API. - */ - pwm_apply_args(pwm); - ret = pwm_config(pwm, pargs.period, pargs.period); + state.duty_cycle = state.period; + state.enabled = true; + + ret = pwm_apply_state(pwm, &state); if (ret < 0) - return ret; + return dev_err_probe(dev, ret, "failed to configure PWM\n"); /* * we can now start the FPGA and populate the peripherals. */ - pwm_enable(pwm); ts_nbus->pwm = pwm; /* @@ -324,7 +310,8 @@ static int ts_nbus_probe(struct platform_device *pdev) ret = of_platform_populate(dev->of_node, NULL, NULL, dev); if (ret < 0) - return ret; + return dev_err_probe(dev, ret, + "failed to populate platform devices on bus\n"); dev_info(dev, "initialized\n"); |