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-rw-r--r--drivers/acpi/Kconfig5
-rw-r--r--drivers/acpi/Makefile6
-rw-r--r--drivers/acpi/acpi_cmos_rtc.c6
-rw-r--r--drivers/acpi/acpi_configfs.c5
-rw-r--r--drivers/acpi/acpi_fpdt.c4
-rw-r--r--drivers/acpi/acpi_ipmi.c7
-rw-r--r--drivers/acpi/acpi_lpss.c13
-rw-r--r--drivers/acpi/acpi_video.c6
-rw-r--r--drivers/acpi/acpica/acutils.h2
-rw-r--r--drivers/acpi/acpica/exfield.c8
-rw-r--r--drivers/acpi/acpica/exserial.c12
-rw-r--r--drivers/acpi/acpica/nsrepair2.c7
-rw-r--r--drivers/acpi/acpica/utprint.c2
-rw-r--r--drivers/acpi/acpica/utuuid.c41
-rw-r--r--drivers/acpi/apei/einj.c2
-rw-r--r--drivers/acpi/apei/ghes.c81
-rw-r--r--drivers/acpi/bgrt.c57
-rw-r--r--drivers/acpi/blacklist.c9
-rw-r--r--drivers/acpi/bus.c17
-rw-r--r--drivers/acpi/device_pm.c38
-rw-r--r--drivers/acpi/device_sysfs.c7
-rw-r--r--drivers/acpi/dptf/int340x_thermal.c2
-rw-r--r--drivers/acpi/ec.c39
-rw-r--r--drivers/acpi/event.c8
-rw-r--r--drivers/acpi/fan.c7
-rw-r--r--drivers/acpi/fan.h13
-rw-r--r--drivers/acpi/glue.c29
-rw-r--r--drivers/acpi/internal.h6
-rw-r--r--drivers/acpi/nvs.c32
-rw-r--r--drivers/acpi/osl.c11
-rw-r--r--drivers/acpi/pci_root.c4
-rw-r--r--drivers/acpi/pmic/intel_pmic_chtdc_ti.c2
-rw-r--r--drivers/acpi/power.c116
-rw-r--r--drivers/acpi/pptt.c18
-rw-r--r--drivers/acpi/prmt.c303
-rw-r--r--drivers/acpi/processor_idle.c40
-rw-r--r--drivers/acpi/processor_perflib.c38
-rw-r--r--drivers/acpi/processor_thermal.c2
-rw-r--r--drivers/acpi/processor_throttling.c75
-rw-r--r--drivers/acpi/reboot.c4
-rw-r--r--drivers/acpi/resource.c9
-rw-r--r--drivers/acpi/sbs.c12
-rw-r--r--drivers/acpi/sbshc.c9
-rw-r--r--drivers/acpi/scan.c316
-rw-r--r--drivers/acpi/sleep.c22
-rw-r--r--drivers/acpi/sysfs.c85
-rw-r--r--drivers/acpi/tables.c9
-rw-r--r--drivers/acpi/x86/s2idle.c145
-rw-r--r--drivers/gpio/gpiolib-acpi.c10
-rw-r--r--drivers/i2c/i2c-core-acpi.c8
-rw-r--r--drivers/platform/surface/aggregator/core.c6
-rw-r--r--drivers/platform/surface/surface3_power.c22
-rw-r--r--drivers/platform/surface/surface_acpi_notify.c7
53 files changed, 1206 insertions, 538 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index eedec61e3476..3972de7b7565 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -543,3 +543,8 @@ config X86_PM_TIMER
You should nearly always say Y here because many modern
systems require this timer.
+
+config ACPI_PRMT
+ bool "Platform Runtime Mechanism Support"
+ depends on EFI && X86_64
+ default y
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 700b41adf2db..ceb1aed4b1fc 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -8,6 +8,11 @@ ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT
#
# ACPI Boot-Time Table Parsing
#
+ifeq ($(CONFIG_ACPI_CUSTOM_DSDT),y)
+tables.o: $(src)/../../include/$(subst $\",,$(CONFIG_ACPI_CUSTOM_DSDT_FILE)) ;
+
+endif
+
obj-$(CONFIG_ACPI) += tables.o
obj-$(CONFIG_X86) += blacklist.o
@@ -61,6 +66,7 @@ acpi-$(CONFIG_ACPI_FPDT) += acpi_fpdt.o
acpi-$(CONFIG_ACPI_LPIT) += acpi_lpit.o
acpi-$(CONFIG_ACPI_GENERIC_GSI) += irq.o
acpi-$(CONFIG_ACPI_WATCHDOG) += acpi_watchdog.o
+acpi-$(CONFIG_ACPI_PRMT) += prmt.o
# Address translation
acpi-$(CONFIG_ACPI_ADXL) += acpi_adxl.o
diff --git a/drivers/acpi/acpi_cmos_rtc.c b/drivers/acpi/acpi_cmos_rtc.c
index 67f1d33d15c4..4cf4aef7ce0c 100644
--- a/drivers/acpi/acpi_cmos_rtc.c
+++ b/drivers/acpi/acpi_cmos_rtc.c
@@ -6,6 +6,8 @@
* Authors: Lan Tianyu <tianyu.lan@intel.com>
*/
+#define pr_fmt(fmt) "ACPI: " fmt
+
#include <linux/acpi.h>
#include <linux/device.h>
#include <linux/err.h>
@@ -59,7 +61,7 @@ static int acpi_install_cmos_rtc_space_handler(struct acpi_device *adev,
&acpi_cmos_rtc_space_handler,
NULL, NULL);
if (ACPI_FAILURE(status)) {
- pr_err(PREFIX "Error installing CMOS-RTC region handler\n");
+ pr_err("Error installing CMOS-RTC region handler\n");
return -ENODEV;
}
@@ -70,7 +72,7 @@ static void acpi_remove_cmos_rtc_space_handler(struct acpi_device *adev)
{
if (ACPI_FAILURE(acpi_remove_address_space_handler(adev->handle,
ACPI_ADR_SPACE_CMOS, &acpi_cmos_rtc_space_handler)))
- pr_err(PREFIX "Error removing CMOS-RTC region handler\n");
+ pr_err("Error removing CMOS-RTC region handler\n");
}
static struct acpi_scan_handler cmos_rtc_handler = {
diff --git a/drivers/acpi/acpi_configfs.c b/drivers/acpi/acpi_configfs.c
index 3a14859dbb75..76b83b181356 100644
--- a/drivers/acpi/acpi_configfs.c
+++ b/drivers/acpi/acpi_configfs.c
@@ -13,9 +13,6 @@
#include <linux/acpi.h>
#include <linux/security.h>
-#include "acpica/accommon.h"
-#include "acpica/actables.h"
-
static struct config_group *acpi_table_group;
struct acpi_table {
@@ -226,7 +223,7 @@ static void acpi_table_drop_item(struct config_group *group,
{
struct acpi_table *table = container_of(cfg, struct acpi_table, cfg);
- ACPI_INFO(("Host-directed Dynamic ACPI Table Unload"));
+ pr_debug("Host-directed Dynamic ACPI Table Unload\n");
acpi_unload_table(table->index);
config_item_put(cfg);
}
diff --git a/drivers/acpi/acpi_fpdt.c b/drivers/acpi/acpi_fpdt.c
index a89a806a7a2a..4ee2ad234e3d 100644
--- a/drivers/acpi/acpi_fpdt.c
+++ b/drivers/acpi/acpi_fpdt.c
@@ -240,8 +240,10 @@ static int __init acpi_init_fpdt(void)
return 0;
fpdt_kobj = kobject_create_and_add("fpdt", acpi_kobj);
- if (!fpdt_kobj)
+ if (!fpdt_kobj) {
+ acpi_put_table(header);
return -ENOMEM;
+ }
while (offset < header->length) {
subtable = (void *)header + offset;
diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c
index bbd00d96b7a8..a5fe2926bf50 100644
--- a/drivers/acpi/acpi_ipmi.c
+++ b/drivers/acpi/acpi_ipmi.c
@@ -597,9 +597,14 @@ static int __init acpi_ipmi_init(void)
pr_warn("Can't register IPMI opregion space handle\n");
return -EINVAL;
}
+
result = ipmi_smi_watcher_register(&driver_data.bmc_events);
- if (result)
+ if (result) {
+ acpi_remove_address_space_handler(ACPI_ROOT_OBJECT,
+ ACPI_ADR_SPACE_IPMI,
+ &acpi_ipmi_space_handler);
pr_err("Can't register IPMI system interface watcher\n");
+ }
return result;
}
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index ca742f16a507..894b7e6ae144 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -186,13 +186,12 @@ static void byt_i2c_setup(struct lpss_private_data *pdata)
long uid = 0;
/* Expected to always be true, but better safe then sorry */
- if (uid_str)
- uid = simple_strtol(uid_str, NULL, 10);
-
- /* Detect I2C bus shared with PUNIT and ignore its d3 status */
- status = acpi_evaluate_integer(handle, "_SEM", NULL, &shared_host);
- if (ACPI_SUCCESS(status) && shared_host && uid)
- pmc_atom_d3_mask &= ~(BIT_LPSS2_F1_I2C1 << (uid - 1));
+ if (uid_str && !kstrtol(uid_str, 10, &uid) && uid) {
+ /* Detect I2C bus shared with PUNIT and ignore its d3 status */
+ status = acpi_evaluate_integer(handle, "_SEM", NULL, &shared_host);
+ if (ACPI_SUCCESS(status) && shared_host)
+ pmc_atom_d3_mask &= ~(BIT_LPSS2_F1_I2C1 << (uid - 1));
+ }
lpss_deassert_reset(pdata);
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 0c884020f74b..ffb4afc5aad9 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -1619,8 +1619,6 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
input_report_key(input, keycode, 0);
input_sync(input);
}
-
- return;
}
static void brightness_switch_event(struct acpi_video_device *video_device,
@@ -1690,8 +1688,6 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
input_report_key(input, keycode, 0);
input_sync(input);
}
-
- return;
}
static int acpi_video_resume(struct notifier_block *nb,
@@ -2308,8 +2304,6 @@ static void __exit acpi_video_exit(void)
{
acpi_video_detect_exit();
acpi_video_unregister();
-
- return;
}
module_init(acpi_video_init);
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index bccae0d3db75..59d6ded01614 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -737,6 +737,8 @@ const char *acpi_ah_match_uuid(u8 *data);
*/
#if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_HELP_APP)
void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer);
+
+acpi_status acpi_ut_convert_uuid_to_string(char *uuid_buffer, char *out_string);
#endif
#endif /* _ACUTILS_H */
diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c
index 32f03ee81785..06f3c9df1e22 100644
--- a/drivers/acpi/acpica/exfield.c
+++ b/drivers/acpi/acpica/exfield.c
@@ -139,7 +139,9 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state,
|| obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_GSBUS
|| obj_desc->field.region_obj->region.space_id ==
- ACPI_ADR_SPACE_IPMI)) {
+ ACPI_ADR_SPACE_IPMI
+ || obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_PLATFORM_RT)) {
/* SMBus, GSBus, IPMI serial */
@@ -301,7 +303,9 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc,
|| obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_GSBUS
|| obj_desc->field.region_obj->region.space_id ==
- ACPI_ADR_SPACE_IPMI)) {
+ ACPI_ADR_SPACE_IPMI
+ || obj_desc->field.region_obj->region.space_id ==
+ ACPI_ADR_SPACE_PLATFORM_RT)) {
/* SMBus, GSBus, IPMI serial */
diff --git a/drivers/acpi/acpica/exserial.c b/drivers/acpi/acpica/exserial.c
index 8e8d95f7947b..10d68a5f76a3 100644
--- a/drivers/acpi/acpica/exserial.c
+++ b/drivers/acpi/acpica/exserial.c
@@ -195,6 +195,12 @@ acpi_ex_read_serial_bus(union acpi_operand_object *obj_desc,
function = ACPI_READ | (accessor_type << 16);
break;
+ case ACPI_ADR_SPACE_PLATFORM_RT:
+
+ buffer_length = ACPI_PRM_INPUT_BUFFER_SIZE;
+ function = ACPI_READ;
+ break;
+
default:
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
@@ -311,6 +317,12 @@ acpi_ex_write_serial_bus(union acpi_operand_object *source_desc,
function = ACPI_WRITE | (accessor_type << 16);
break;
+ case ACPI_ADR_SPACE_PLATFORM_RT:
+
+ buffer_length = ACPI_PRM_INPUT_BUFFER_SIZE;
+ function = ACPI_WRITE;
+ break;
+
default:
return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID);
}
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 14b71b41e845..38e10ab976e6 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -379,6 +379,13 @@ acpi_ns_repair_CID(struct acpi_evaluate_info *info,
(*element_ptr)->common.reference_count =
original_ref_count;
+
+ /*
+ * The original_element holds a reference from the package object
+ * that represents _HID. Since a new element was created by _HID,
+ * remove the reference from the _CID package.
+ */
+ acpi_ut_remove_reference(original_element);
}
element_ptr++;
diff --git a/drivers/acpi/acpica/utprint.c b/drivers/acpi/acpica/utprint.c
index e37d612e8db5..05426596d1f4 100644
--- a/drivers/acpi/acpica/utprint.c
+++ b/drivers/acpi/acpica/utprint.c
@@ -475,7 +475,7 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
case 'X':
type |= ACPI_FORMAT_UPPER;
- /* FALLTHROUGH */
+ ACPI_FALLTHROUGH;
case 'x':
diff --git a/drivers/acpi/acpica/utuuid.c b/drivers/acpi/acpica/utuuid.c
index 090e44b6b6c7..dca9061518ab 100644
--- a/drivers/acpi/acpica/utuuid.c
+++ b/drivers/acpi/acpica/utuuid.c
@@ -61,4 +61,45 @@ void acpi_ut_convert_string_to_uuid(char *in_string, u8 *uuid_buffer)
1]);
}
}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ut_convert_uuid_to_string
+ *
+ * PARAMETERS: uuid_buffer - 16-byte UUID buffer
+ * out_string - 36-byte formatted UUID string
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Convert 16-byte UUID buffer to 36-byte formatted UUID string
+ * out_string must be 37 bytes to include null terminator.
+ *
+ ******************************************************************************/
+
+acpi_status acpi_ut_convert_uuid_to_string(char *uuid_buffer, char *out_string)
+{
+ u32 i;
+
+ if (!uuid_buffer || !out_string) {
+ return (AE_BAD_PARAMETER);
+ }
+
+ for (i = 0; i < UUID_BUFFER_LENGTH; i++) {
+ out_string[acpi_gbl_map_to_uuid_offset[i]] =
+ acpi_ut_hex_to_ascii_char(uuid_buffer[i], 4);
+
+ out_string[acpi_gbl_map_to_uuid_offset[i] + 1] =
+ acpi_ut_hex_to_ascii_char(uuid_buffer[i], 0);
+ }
+
+ /* Insert required hyphens (dashes) */
+
+ out_string[UUID_HYPHEN1_OFFSET] =
+ out_string[UUID_HYPHEN2_OFFSET] =
+ out_string[UUID_HYPHEN3_OFFSET] =
+ out_string[UUID_HYPHEN4_OFFSET] = '-';
+
+ out_string[UUID_STRING_LENGTH] = 0; /* Null terminate */
+ return (AE_OK);
+}
#endif
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 328e8aeece6c..2882450c443e 100644
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -673,7 +673,7 @@ static int __init einj_init(void)
struct apei_exec_context ctx;
if (acpi_disabled) {
- pr_warn("ACPI disabled.\n");
+ pr_info("ACPI disabled.\n");
return -ENODEV;
}
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index fce7ade2aba9..0c8330ed1ffd 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -441,28 +441,35 @@ static void ghes_kick_task_work(struct callback_head *head)
gen_pool_free(ghes_estatus_pool, (unsigned long)estatus_node, node_len);
}
-static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
- int sev)
+static bool ghes_do_memory_failure(u64 physical_addr, int flags)
{
unsigned long pfn;
- int flags = -1;
- int sec_sev = ghes_severity(gdata->error_severity);
- struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
if (!IS_ENABLED(CONFIG_ACPI_APEI_MEMORY_FAILURE))
return false;
- if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
- return false;
-
- pfn = mem_err->physical_addr >> PAGE_SHIFT;
+ pfn = PHYS_PFN(physical_addr);
if (!pfn_valid(pfn)) {
pr_warn_ratelimited(FW_WARN GHES_PFX
"Invalid address in generic error data: %#llx\n",
- mem_err->physical_addr);
+ physical_addr);
return false;
}
+ memory_failure_queue(pfn, flags);
+ return true;
+}
+
+static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
+ int sev)
+{
+ int flags = -1;
+ int sec_sev = ghes_severity(gdata->error_severity);
+ struct cper_sec_mem_err *mem_err = acpi_hest_get_payload(gdata);
+
+ if (!(mem_err->validation_bits & CPER_MEM_VALID_PA))
+ return false;
+
/* iff following two events can be handled properly by now */
if (sec_sev == GHES_SEV_CORRECTED &&
(gdata->flags & CPER_SEC_ERROR_THRESHOLD_EXCEEDED))
@@ -470,14 +477,56 @@ static bool ghes_handle_memory_failure(struct acpi_hest_generic_data *gdata,
if (sev == GHES_SEV_RECOVERABLE && sec_sev == GHES_SEV_RECOVERABLE)
flags = 0;
- if (flags != -1) {
- memory_failure_queue(pfn, flags);
- return true;
- }
+ if (flags != -1)
+ return ghes_do_memory_failure(mem_err->physical_addr, flags);
return false;
}
+static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata, int sev)
+{
+ struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
+ bool queued = false;
+ int sec_sev, i;
+ char *p;
+
+ log_arm_hw_error(err);
+
+ sec_sev = ghes_severity(gdata->error_severity);
+ if (sev != GHES_SEV_RECOVERABLE || sec_sev != GHES_SEV_RECOVERABLE)
+ return false;
+
+ p = (char *)(err + 1);
+ for (i = 0; i < err->err_info_num; i++) {
+ struct cper_arm_err_info *err_info = (struct cper_arm_err_info *)p;
+ bool is_cache = (err_info->type == CPER_ARM_CACHE_ERROR);
+ bool has_pa = (err_info->validation_bits & CPER_ARM_INFO_VALID_PHYSICAL_ADDR);
+ const char *error_type = "unknown error";
+
+ /*
+ * The field (err_info->error_info & BIT(26)) is fixed to set to
+ * 1 in some old firmware of HiSilicon Kunpeng920. We assume that
+ * firmware won't mix corrected errors in an uncorrected section,
+ * and don't filter out 'corrected' error here.
+ */
+ if (is_cache && has_pa) {
+ queued = ghes_do_memory_failure(err_info->physical_fault_addr, 0);
+ p += err_info->length;
+ continue;
+ }
+
+ if (err_info->type < ARRAY_SIZE(cper_proc_error_type_strs))
+ error_type = cper_proc_error_type_strs[err_info->type];
+
+ pr_warn_ratelimited(FW_WARN GHES_PFX
+ "Unhandled processor error type: %s\n",
+ error_type);
+ p += err_info->length;
+ }
+
+ return queued;
+}
+
/*
* PCIe AER errors need to be sent to the AER driver for reporting and
* recovery. The GHES severities map to the following AER severities and
@@ -605,9 +654,7 @@ static bool ghes_do_proc(struct ghes *ghes,
ghes_handle_aer(gdata);
}
else if (guid_equal(sec_type, &CPER_SEC_PROC_ARM)) {
- struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
-
- log_arm_hw_error(err);
+ queued = ghes_handle_arm_hw_error(gdata, sev);
} else {
void *err = acpi_hest_get_payload(gdata);
diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
index 19bb7f870204..02d208732f9a 100644
--- a/drivers/acpi/bgrt.c
+++ b/drivers/acpi/bgrt.c
@@ -15,40 +15,19 @@
static void *bgrt_image;
static struct kobject *bgrt_kobj;
-static ssize_t version_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.version);
-}
-static DEVICE_ATTR_RO(version);
-
-static ssize_t status_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.status);
-}
-static DEVICE_ATTR_RO(status);
-
-static ssize_t type_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.image_type);
-}
-static DEVICE_ATTR_RO(type);
-
-static ssize_t xoffset_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.image_offset_x);
-}
-static DEVICE_ATTR_RO(xoffset);
-
-static ssize_t yoffset_show(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab.image_offset_y);
-}
-static DEVICE_ATTR_RO(yoffset);
+#define BGRT_SHOW(_name, _member) \
+ static ssize_t _name##_show(struct kobject *kobj, \
+ struct kobj_attribute *attr, char *buf) \
+ { \
+ return sysfs_emit(buf, "%d\n", bgrt_tab._member); \
+ } \
+ struct kobj_attribute bgrt_attr_##_name = __ATTR_RO(_name)
+
+BGRT_SHOW(version, version);
+BGRT_SHOW(status, status);
+BGRT_SHOW(type, image_type);
+BGRT_SHOW(xoffset, image_offset_x);
+BGRT_SHOW(yoffset, image_offset_y);
static ssize_t image_read(struct file *file, struct kobject *kobj,
struct bin_attribute *attr, char *buf, loff_t off, size_t count)
@@ -60,11 +39,11 @@ static ssize_t image_read(struct file *file, struct kobject *kobj,
static BIN_ATTR_RO(image, 0); /* size gets filled in later */
static struct attribute *bgrt_attributes[] = {
- &dev_attr_version.attr,
- &dev_attr_status.attr,
- &dev_attr_type.attr,
- &dev_attr_xoffset.attr,
- &dev_attr_yoffset.attr,
+ &bgrt_attr_version.attr,
+ &bgrt_attr_status.attr,
+ &bgrt_attr_type.attr,
+ &bgrt_attr_xoffset.attr,
+ &bgrt_attr_yoffset.attr,
NULL,
};
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index a86a770c9b79..a558d24fb788 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -10,6 +10,8 @@
* Copyright (C) 2002 Andy Grover <andrew.grover@intel.com>
*/
+#define pr_fmt(fmt) "ACPI: " fmt
+
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/acpi.h>
@@ -49,12 +51,12 @@ int __init acpi_blacklisted(void)
i = acpi_match_platform_list(acpi_blacklist);
if (i >= 0) {
- pr_err(PREFIX "Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
+ pr_err("Vendor \"%6.6s\" System \"%8.8s\" Revision 0x%x has a known ACPI BIOS problem.\n",
acpi_blacklist[i].oem_id,
acpi_blacklist[i].oem_table_id,
acpi_blacklist[i].oem_revision);
- pr_err(PREFIX "Reason: %s. This is a %s error\n",
+ pr_err("Reason: %s. This is a %s error\n",
acpi_blacklist[i].reason,
(acpi_blacklist[i].data ?
"non-recoverable" : "recoverable"));
@@ -73,8 +75,7 @@ int __init acpi_blacklisted(void)
#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
static int __init dmi_enable_rev_override(const struct dmi_system_id *d)
{
- printk(KERN_NOTICE PREFIX "DMI detected: %s (force ACPI _REV to 5)\n",
- d->ident);
+ pr_notice("DMI detected: %s (force ACPI _REV to 5)\n", d->ident);
acpi_rev_override_setup(NULL);
return 0;
}
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index a4bd673934c0..60fb6a843853 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -30,6 +30,7 @@
#include <linux/pci.h>
#include <acpi/apei.h>
#include <linux/suspend.h>
+#include <linux/prmt.h>
#include "internal.h"
@@ -262,8 +263,6 @@ out_success:
out_kfree:
kfree(output.pointer);
- if (status != AE_OK)
- context->ret.pointer = NULL;
return status;
}
EXPORT_SYMBOL(acpi_run_osc);
@@ -304,6 +303,7 @@ static void acpi_bus_osc_negotiate_platform_control(void)
capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT;
capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT;
+ capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT;
#ifdef CONFIG_ARM64
capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_GENERIC_INITIATOR_SUPPORT;
@@ -359,7 +359,7 @@ EXPORT_SYMBOL_GPL(osc_sb_native_usb4_control);
static void acpi_bus_decode_usb_osc(const char *msg, u32 bits)
{
- printk(KERN_INFO PREFIX "%s USB3%c DisplayPort%c PCIe%c XDomain%c\n", msg,
+ pr_info("%s USB3%c DisplayPort%c PCIe%c XDomain%c\n", msg,
(bits & OSC_USB_USB3_TUNNELING) ? '+' : '-',
(bits & OSC_USB_DP_TUNNELING) ? '+' : '-',
(bits & OSC_USB_PCIE_TUNNELING) ? '+' : '-',
@@ -398,7 +398,7 @@ static void acpi_bus_osc_negotiate_usb_control(void)
return;
if (context.ret.length != sizeof(capbuf)) {
- printk(KERN_INFO PREFIX "USB4 _OSC: returned invalid length buffer\n");
+ pr_info("USB4 _OSC: returned invalid length buffer\n");
goto out_free;
}
@@ -1195,7 +1195,8 @@ void __init acpi_subsystem_init(void)
static acpi_status acpi_bus_table_handler(u32 event, void *table, void *context)
{
- acpi_scan_table_handler(event, table, context);
+ if (event == ACPI_TABLE_EVENT_LOAD)
+ acpi_scan_table_notify();
return acpi_sysfs_table_handler(event, table, context);
}
@@ -1314,13 +1315,13 @@ static int __init acpi_ini