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-rw-r--r--drivers/firmware/dmi-id.c7
-rw-r--r--drivers/firmware/efi/libstub/fdt.c4
-rw-r--r--drivers/firmware/efi/libstub/loongarch.c2
-rw-r--r--drivers/firmware/efi/libstub/x86-stub.c28
-rw-r--r--drivers/firmware/efi/memmap.c9
-rw-r--r--drivers/firmware/psci/psci.c4
-rw-r--r--drivers/firmware/qcom/qcom_scm.c30
-rw-r--r--drivers/firmware/raspberrypi.c7
8 files changed, 60 insertions, 31 deletions
diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c
index 5f3a3e913..d19c78a78 100644
--- a/drivers/firmware/dmi-id.c
+++ b/drivers/firmware/dmi-id.c
@@ -169,9 +169,14 @@ static int dmi_dev_uevent(const struct device *dev, struct kobj_uevent_env *env)
return 0;
}
+static void dmi_dev_release(struct device *dev)
+{
+ kfree(dev);
+}
+
static struct class dmi_class = {
.name = "dmi",
- .dev_release = (void(*)(struct device *)) kfree,
+ .dev_release = dmi_dev_release,
.dev_uevent = dmi_dev_uevent,
};
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index 70e9789ff..6a337f1f8 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -335,8 +335,8 @@ fail_free_new_fdt:
fail:
efi_free(fdt_size, fdt_addr);
-
- efi_bs_call(free_pool, priv.runtime_map);
+ if (!efi_novamap)
+ efi_bs_call(free_pool, priv.runtime_map);
return EFI_LOAD_ERROR;
}
diff --git a/drivers/firmware/efi/libstub/loongarch.c b/drivers/firmware/efi/libstub/loongarch.c
index 684c93546..d0ef93551 100644
--- a/drivers/firmware/efi/libstub/loongarch.c
+++ b/drivers/firmware/efi/libstub/loongarch.c
@@ -41,7 +41,7 @@ static efi_status_t exit_boot_func(struct efi_boot_memmap *map, void *priv)
unsigned long __weak kernel_entry_address(unsigned long kernel_addr,
efi_loaded_image_t *image)
{
- return *(unsigned long *)(kernel_addr + 8) - VMLINUX_LOAD_ADDRESS + kernel_addr;
+ return *(unsigned long *)(kernel_addr + 8) - PHYSADDR(VMLINUX_LOAD_ADDRESS) + kernel_addr;
}
efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image,
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c
index d5a8182cf..1983fd3bf 100644
--- a/drivers/firmware/efi/libstub/x86-stub.c
+++ b/drivers/firmware/efi/libstub/x86-stub.c
@@ -776,6 +776,26 @@ static void error(char *str)
efi_warn("Decompression failed: %s\n", str);
}
+static const char *cmdline_memmap_override;
+
+static efi_status_t parse_options(const char *cmdline)
+{
+ static const char opts[][14] = {
+ "mem=", "memmap=", "efi_fake_mem=", "hugepages="
+ };
+
+ for (int i = 0; i < ARRAY_SIZE(opts); i++) {
+ const char *p = strstr(cmdline, opts[i]);
+
+ if (p == cmdline || (p > cmdline && isspace(p[-1]))) {
+ cmdline_memmap_override = opts[i];
+ break;
+ }
+ }
+
+ return efi_parse_options(cmdline);
+}
+
static efi_status_t efi_decompress_kernel(unsigned long *kernel_entry)
{
unsigned long virt_addr = LOAD_PHYSICAL_ADDR;
@@ -807,6 +827,10 @@ static efi_status_t efi_decompress_kernel(unsigned long *kernel_entry)
!memcmp(efistub_fw_vendor(), ami, sizeof(ami))) {
efi_debug("AMI firmware v2.0 or older detected - disabling physical KASLR\n");
seed[0] = 0;
+ } else if (cmdline_memmap_override) {
+ efi_info("%s detected on the kernel command line - disabling physical KASLR\n",
+ cmdline_memmap_override);
+ seed[0] = 0;
}
boot_params_ptr->hdr.loadflags |= KASLR_FLAG;
@@ -883,7 +907,7 @@ void __noreturn efi_stub_entry(efi_handle_t handle,
}
#ifdef CONFIG_CMDLINE_BOOL
- status = efi_parse_options(CONFIG_CMDLINE);
+ status = parse_options(CONFIG_CMDLINE);
if (status != EFI_SUCCESS) {
efi_err("Failed to parse options\n");
goto fail;
@@ -892,7 +916,7 @@ void __noreturn efi_stub_entry(efi_handle_t handle,
if (!IS_ENABLED(CONFIG_CMDLINE_OVERRIDE)) {
unsigned long cmdline_paddr = ((u64)hdr->cmd_line_ptr |
((u64)boot_params->ext_cmd_line_ptr << 32));
- status = efi_parse_options((char *)cmdline_paddr);
+ status = parse_options((char *)cmdline_paddr);
if (status != EFI_SUCCESS) {
efi_err("Failed to parse options\n");
goto fail;
diff --git a/drivers/firmware/efi/memmap.c b/drivers/firmware/efi/memmap.c
index 3365944f7..34109fd86 100644
--- a/drivers/firmware/efi/memmap.c
+++ b/drivers/firmware/efi/memmap.c
@@ -15,10 +15,6 @@
#include <asm/early_ioremap.h>
#include <asm/efi.h>
-#ifndef __efi_memmap_free
-#define __efi_memmap_free(phys, size, flags) do { } while (0)
-#endif
-
/**
* __efi_memmap_init - Common code for mapping the EFI memory map
* @data: EFI memory map data
@@ -51,11 +47,6 @@ int __init __efi_memmap_init(struct efi_memory_map_data *data)
return -ENOMEM;
}
- if (efi.memmap.flags & (EFI_MEMMAP_MEMBLOCK | EFI_MEMMAP_SLAB))
- __efi_memmap_free(efi.memmap.phys_map,
- efi.memmap.desc_size * efi.memmap.nr_map,
- efi.memmap.flags);
-
map.phys_map = data->phys_map;
map.nr_map = data->size / data->desc_size;
map.map_end = map.map + data->size;
diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c
index d9629ff87..2328ca58b 100644
--- a/drivers/firmware/psci/psci.c
+++ b/drivers/firmware/psci/psci.c
@@ -497,10 +497,12 @@ int psci_cpu_suspend_enter(u32 state)
static int psci_system_suspend(unsigned long unused)
{
+ int err;
phys_addr_t pa_cpu_resume = __pa_symbol(cpu_resume);
- return invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND),
+ err = invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND),
pa_cpu_resume, 0, 0);
+ return psci_to_linux_errno(err);
}
static int psci_system_suspend_enter(suspend_state_t state)
diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c
index 90283f160..2ad85052b 100644
--- a/drivers/firmware/qcom/qcom_scm.c
+++ b/drivers/firmware/qcom/qcom_scm.c
@@ -569,13 +569,14 @@ int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, size_t size,
ret = qcom_scm_bw_enable();
if (ret)
- return ret;
+ goto disable_clk;
desc.args[1] = mdata_phys;
ret = qcom_scm_call(__scm->dev, &desc, &res);
-
qcom_scm_bw_disable();
+
+disable_clk:
qcom_scm_clk_disable();
out:
@@ -637,10 +638,12 @@ int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, phys_addr_t size)
ret = qcom_scm_bw_enable();
if (ret)
- return ret;
+ goto disable_clk;
ret = qcom_scm_call(__scm->dev, &desc, &res);
qcom_scm_bw_disable();
+
+disable_clk:
qcom_scm_clk_disable();
return ret ? : res.result[0];
@@ -672,10 +675,12 @@ int qcom_scm_pas_auth_and_reset(u32 peripheral)
ret = qcom_scm_bw_enable();
if (ret)
- return ret;
+ goto disable_clk;
ret = qcom_scm_call(__scm->dev, &desc, &res);
qcom_scm_bw_disable();
+
+disable_clk:
qcom_scm_clk_disable();
return ret ? : res.result[0];
@@ -706,11 +711,12 @@ int qcom_scm_pas_shutdown(u32 peripheral)
ret = qcom_scm_bw_enable();
if (ret)
- return ret;
+ goto disable_clk;
ret = qcom_scm_call(__scm->dev, &desc, &res);
-
qcom_scm_bw_disable();
+
+disable_clk:
qcom_scm_clk_disable();
return ret ? : res.result[0];
@@ -1624,7 +1630,7 @@ EXPORT_SYMBOL_GPL(qcom_scm_qseecom_app_send);
* We do not yet support re-entrant calls via the qseecom interface. To prevent
+ any potential issues with this, only allow validated machines for now.
*/
-static const struct of_device_id qcom_scm_qseecom_allowlist[] = {
+static const struct of_device_id qcom_scm_qseecom_allowlist[] __maybe_unused = {
{ .compatible = "lenovo,thinkpad-x13s", },
{ }
};
@@ -1713,7 +1719,7 @@ static int qcom_scm_qseecom_init(struct qcom_scm *scm)
*/
bool qcom_scm_is_available(void)
{
- return !!__scm;
+ return !!READ_ONCE(__scm);
}
EXPORT_SYMBOL_GPL(qcom_scm_is_available);
@@ -1794,10 +1800,12 @@ static int qcom_scm_probe(struct platform_device *pdev)
if (!scm)
return -ENOMEM;
+ scm->dev = &pdev->dev;
ret = qcom_scm_find_dload_address(&pdev->dev, &scm->dload_mode_addr);
if (ret < 0)
return ret;
+ init_completion(&scm->waitq_comp);
mutex_init(&scm->scm_bw_lock);
scm->path = devm_of_icc_get(&pdev->dev, NULL);
@@ -1829,10 +1837,8 @@ static int qcom_scm_probe(struct platform_device *pdev)
if (ret)
return ret;
- __scm = scm;
- __scm->dev = &pdev->dev;
-
- init_completion(&__scm->waitq_comp);
+ /* Let all above stores be available after this */
+ smp_store_release(&__scm, scm);
irq = platform_get_irq_optional(pdev, 0);
if (irq < 0) {
diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index 322aada20..ac34876a9 100644
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -9,6 +9,7 @@
#include <linux/dma-mapping.h>
#include <linux/kref.h>
#include <linux/mailbox_client.h>
+#include <linux/mailbox_controller.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_platform.h>
@@ -97,8 +98,8 @@ int rpi_firmware_property_list(struct rpi_firmware *fw,
if (size & 3)
return -EINVAL;
- buf = dma_alloc_coherent(fw->cl.dev, PAGE_ALIGN(size), &bus_addr,
- GFP_ATOMIC);
+ buf = dma_alloc_coherent(fw->chan->mbox->dev, PAGE_ALIGN(size),
+ &bus_addr, GFP_ATOMIC);
if (!buf)
return -ENOMEM;
@@ -126,7 +127,7 @@ int rpi_firmware_property_list(struct rpi_firmware *fw,
ret = -EINVAL;
}
- dma_free_coherent(fw->cl.dev, PAGE_ALIGN(size), buf, bus_addr);
+ dma_free_coherent(fw->chan->mbox->dev, PAGE_ALIGN(size), buf, bus_addr);
return ret;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 16:35:50 +0000