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-rw-r--r--drivers/acpi/acpi_video.c16
-rw-r--r--drivers/acpi/device_pm.c13
-rw-r--r--drivers/acpi/processor_idle.c2
-rw-r--r--drivers/acpi/resource.c7
-rw-r--r--drivers/acpi/scan.c7
-rw-r--r--drivers/acpi/utils.c2
6 files changed, 34 insertions, 13 deletions
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 0b7a01f38b65..6cee536c229a 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -253,8 +253,7 @@ static const struct backlight_ops acpi_backlight_ops = {
static int video_get_max_state(struct thermal_cooling_device *cooling_dev,
unsigned long *state)
{
- struct acpi_device *device = cooling_dev->devdata;
- struct acpi_video_device *video = acpi_driver_data(device);
+ struct acpi_video_device *video = cooling_dev->devdata;
*state = video->brightness->count - ACPI_VIDEO_FIRST_LEVEL - 1;
return 0;
@@ -263,8 +262,7 @@ static int video_get_max_state(struct thermal_cooling_device *cooling_dev,
static int video_get_cur_state(struct thermal_cooling_device *cooling_dev,
unsigned long *state)
{
- struct acpi_device *device = cooling_dev->devdata;
- struct acpi_video_device *video = acpi_driver_data(device);
+ struct acpi_video_device *video = cooling_dev->devdata;
unsigned long long level;
int offset;
@@ -283,8 +281,7 @@ static int video_get_cur_state(struct thermal_cooling_device *cooling_dev,
static int
video_set_cur_state(struct thermal_cooling_device *cooling_dev, unsigned long state)
{
- struct acpi_device *device = cooling_dev->devdata;
- struct acpi_video_device *video = acpi_driver_data(device);
+ struct acpi_video_device *video = cooling_dev->devdata;
int level;
if (state >= video->brightness->count - ACPI_VIDEO_FIRST_LEVEL)
@@ -1125,7 +1122,6 @@ static int acpi_video_bus_get_one_device(struct acpi_device *device, void *arg)
strcpy(acpi_device_name(device), ACPI_VIDEO_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_VIDEO_CLASS);
- device->driver_data = data;
data->device_id = device_id;
data->video = video;
@@ -1747,8 +1743,8 @@ static void acpi_video_dev_register_backlight(struct acpi_video_device *device)
device->backlight->props.brightness =
acpi_video_get_brightness(device->backlight);
- device->cooling_dev = thermal_cooling_device_register("LCD",
- device->dev, &video_cooling_ops);
+ device->cooling_dev = thermal_cooling_device_register("LCD", device,
+ &video_cooling_ops);
if (IS_ERR(device->cooling_dev)) {
/*
* Set cooling_dev to NULL so we don't crash trying to free it.
@@ -2031,7 +2027,7 @@ static int acpi_video_bus_add(struct acpi_device *device)
* HP ZBook Fury 16 G10 requires ACPI video's child devices have _PS0
* evaluated to have functional panel brightness control.
*/
- acpi_device_fix_up_power_extended(device);
+ acpi_device_fix_up_power_children(device);
pr_info("%s [%s] (multi-head: %s rom: %s post: %s)\n",
ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device),
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index f007116a8427..3b4d048c4941 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -397,6 +397,19 @@ void acpi_device_fix_up_power_extended(struct acpi_device *adev)
}
EXPORT_SYMBOL_GPL(acpi_device_fix_up_power_extended);
+/**
+ * acpi_device_fix_up_power_children - Force a device's children into D0.
+ * @adev: Parent device object whose children's power state is to be fixed up.
+ *
+ * Call acpi_device_fix_up_power() for @adev's children so long as they
+ * are reported as present and enabled.
+ */
+void acpi_device_fix_up_power_children(struct acpi_device *adev)
+{
+ acpi_dev_for_each_child(adev, fix_up_power_if_applicable, NULL);
+}
+EXPORT_SYMBOL_GPL(acpi_device_fix_up_power_children);
+
int acpi_device_update_power(struct acpi_device *device, int *state_p)
{
int state;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 3a34a8c425fe..55437f5e0c3a 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -592,7 +592,7 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index)
while (1) {
if (cx->entry_method == ACPI_CSTATE_HALT)
- safe_halt();
+ raw_safe_halt();
else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) {
io_idle(cx->address);
} else
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 15a3bdbd0755..9bd9f79cd409 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -448,6 +448,13 @@ static const struct dmi_system_id irq1_level_low_skip_override[] = {
},
},
{
+ /* Asus ExpertBook B1402CVA */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_BOARD_NAME, "B1402CVA"),
+ },
+ },
+ {
/* Asus ExpertBook B1502CBA */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index fa5dd71a80fa..02bb2cce423f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1568,17 +1568,22 @@ static const struct iommu_ops *acpi_iommu_configure_id(struct device *dev,
int err;
const struct iommu_ops *ops;
+ /* Serialise to make dev->iommu stable under our potential fwspec */
+ mutex_lock(&iommu_probe_device_lock);
/*
* If we already translated the fwspec there is nothing left to do,
* return the iommu_ops.
*/
ops = acpi_iommu_fwspec_ops(dev);
- if (ops)
+ if (ops) {
+ mutex_unlock(&iommu_probe_device_lock);
return ops;
+ }
err = iort_iommu_configure_id(dev, id_in);
if (err && err != -EPROBE_DEFER)
err = viot_iommu_configure(dev);
+ mutex_unlock(&iommu_probe_device_lock);
/*
* If we have reason to believe the IOMMU driver missed the initial
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 28c75242fca9..62944e35fcee 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -399,13 +399,13 @@ acpi_evaluate_reference(acpi_handle handle,
acpi_handle_debug(list->handles[i], "Found in reference list\n");
}
-end:
if (ACPI_FAILURE(status)) {
list->count = 0;
kfree(list->handles);
list->handles = NULL;
}
+end:
kfree(buffer.pointer);
return status;