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-rw-r--r--drivers/acpi/acpi_mrrm.c3
-rw-r--r--drivers/acpi/acpi_video.c4
-rw-r--r--drivers/acpi/button.c4
-rw-r--r--drivers/acpi/fan.h7
-rw-r--r--drivers/acpi/fan_attr.c2
-rw-r--r--drivers/acpi/fan_core.c36
-rw-r--r--drivers/acpi/fan_hwmon.c11
-rw-r--r--drivers/acpi/spcr.c2
8 files changed, 43 insertions, 26 deletions
diff --git a/drivers/acpi/acpi_mrrm.c b/drivers/acpi/acpi_mrrm.c
index 47ea3ccc2142..a6dbf623e557 100644
--- a/drivers/acpi/acpi_mrrm.c
+++ b/drivers/acpi/acpi_mrrm.c
@@ -63,6 +63,9 @@ static __init int acpi_parse_mrrm(struct acpi_table_header *table)
if (!mrrm)
return -ENODEV;
+ if (mrrm->header.revision != 1)
+ return -EINVAL;
+
if (mrrm->flags & ACPI_MRRM_FLAGS_REGION_ASSIGNMENT_OS)
return -EOPNOTSUPP;
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 103f29661576..be8e7e18abca 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -1959,8 +1959,10 @@ static void acpi_video_bus_remove_notify_handler(struct acpi_video_bus *video)
struct acpi_video_device *dev;
mutex_lock(&video->device_list_lock);
- list_for_each_entry(dev, &video->video_device_list, entry)
+ list_for_each_entry(dev, &video->video_device_list, entry) {
acpi_video_dev_remove_notify_handler(dev);
+ cancel_delayed_work_sync(&dev->switch_brightness_work);
+ }
mutex_unlock(&video->device_list_lock);
acpi_video_bus_stop_devices(video);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 0a7026040188..3c6dd9b4ba0a 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -619,8 +619,10 @@ static int acpi_button_add(struct acpi_device *device)
input_set_drvdata(input, device);
error = input_register_device(input);
- if (error)
+ if (error) {
+ input_free_device(input);
goto err_remove_fs;
+ }
switch (device->device_type) {
case ACPI_BUS_TYPE_POWER_BUTTON:
diff --git a/drivers/acpi/fan.h b/drivers/acpi/fan.h
index 8a28a72a7c6a..bedbab0e8e4e 100644
--- a/drivers/acpi/fan.h
+++ b/drivers/acpi/fan.h
@@ -49,6 +49,7 @@ struct acpi_fan_fst {
};
struct acpi_fan {
+ acpi_handle handle;
bool acpi4;
bool has_fst;
struct acpi_fan_fif fif;
@@ -59,14 +60,14 @@ struct acpi_fan {
struct device_attribute fine_grain_control;
};
-int acpi_fan_get_fst(struct acpi_device *device, struct acpi_fan_fst *fst);
+int acpi_fan_get_fst(acpi_handle handle, struct acpi_fan_fst *fst);
int acpi_fan_create_attributes(struct acpi_device *device);
void acpi_fan_delete_attributes(struct acpi_device *device);
#if IS_REACHABLE(CONFIG_HWMON)
-int devm_acpi_fan_create_hwmon(struct acpi_device *device);
+int devm_acpi_fan_create_hwmon(struct device *dev);
#else
-static inline int devm_acpi_fan_create_hwmon(struct acpi_device *device) { return 0; };
+static inline int devm_acpi_fan_create_hwmon(struct device *dev) { return 0; };
#endif
#endif
diff --git a/drivers/acpi/fan_attr.c b/drivers/acpi/fan_attr.c
index c1afb7b5ed3d..9b7fa52f3c2a 100644
--- a/drivers/acpi/fan_attr.c
+++ b/drivers/acpi/fan_attr.c
@@ -55,7 +55,7 @@ static ssize_t show_fan_speed(struct device *dev, struct device_attribute *attr,
struct acpi_fan_fst fst;
int status;
- status = acpi_fan_get_fst(acpi_dev, &fst);
+ status = acpi_fan_get_fst(acpi_dev->handle, &fst);
if (status)
return status;
diff --git a/drivers/acpi/fan_core.c b/drivers/acpi/fan_core.c
index 04ff608f2ff0..46e7fe7a506d 100644
--- a/drivers/acpi/fan_core.c
+++ b/drivers/acpi/fan_core.c
@@ -44,25 +44,30 @@ static int fan_get_max_state(struct thermal_cooling_device *cdev, unsigned long
return 0;
}
-int acpi_fan_get_fst(struct acpi_device *device, struct acpi_fan_fst *fst)
+int acpi_fan_get_fst(acpi_handle handle, struct acpi_fan_fst *fst)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
acpi_status status;
int ret = 0;
- status = acpi_evaluate_object(device->handle, "_FST", NULL, &buffer);
- if (ACPI_FAILURE(status)) {
- dev_err(&device->dev, "Get fan state failed\n");
- return -ENODEV;
- }
+ status = acpi_evaluate_object(handle, "_FST", NULL, &buffer);
+ if (ACPI_FAILURE(status))
+ return -EIO;
obj = buffer.pointer;
- if (!obj || obj->type != ACPI_TYPE_PACKAGE ||
- obj->package.count != 3 ||
- obj->package.elements[1].type != ACPI_TYPE_INTEGER) {
- dev_err(&device->dev, "Invalid _FST data\n");
- ret = -EINVAL;
+ if (!obj)
+ return -ENODATA;
+
+ if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count != 3) {
+ ret = -EPROTO;
+ goto err;
+ }
+
+ if (obj->package.elements[0].type != ACPI_TYPE_INTEGER ||
+ obj->package.elements[1].type != ACPI_TYPE_INTEGER ||
+ obj->package.elements[2].type != ACPI_TYPE_INTEGER) {
+ ret = -EPROTO;
goto err;
}
@@ -81,7 +86,7 @@ static int fan_get_state_acpi4(struct acpi_device *device, unsigned long *state)
struct acpi_fan_fst fst;
int status, i;
- status = acpi_fan_get_fst(device, &fst);
+ status = acpi_fan_get_fst(device->handle, &fst);
if (status)
return status;
@@ -311,11 +316,16 @@ static int acpi_fan_probe(struct platform_device *pdev)
struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
char *name;
+ if (!device)
+ return -ENODEV;
+
fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);
if (!fan) {
dev_err(&device->dev, "No memory for fan\n");
return -ENOMEM;
}
+
+ fan->handle = device->handle;
device->driver_data = fan;
platform_set_drvdata(pdev, fan);
@@ -337,7 +347,7 @@ static int acpi_fan_probe(struct platform_device *pdev)
}
if (fan->has_fst) {
- result = devm_acpi_fan_create_hwmon(device);
+ result = devm_acpi_fan_create_hwmon(&pdev->dev);
if (result)
return result;
diff --git a/drivers/acpi/fan_hwmon.c b/drivers/acpi/fan_hwmon.c
index e8d90605106e..4b2c2007f2d7 100644
--- a/drivers/acpi/fan_hwmon.c
+++ b/drivers/acpi/fan_hwmon.c
@@ -93,13 +93,12 @@ static umode_t acpi_fan_hwmon_is_visible(const void *drvdata, enum hwmon_sensor_
static int acpi_fan_hwmon_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
int channel, long *val)
{
- struct acpi_device *adev = to_acpi_device(dev->parent);
struct acpi_fan *fan = dev_get_drvdata(dev);
struct acpi_fan_fps *fps;
struct acpi_fan_fst fst;
int ret;
- ret = acpi_fan_get_fst(adev, &fst);
+ ret = acpi_fan_get_fst(fan->handle, &fst);
if (ret < 0)
return ret;
@@ -167,12 +166,12 @@ static const struct hwmon_chip_info acpi_fan_hwmon_chip_info = {
.info = acpi_fan_hwmon_info,
};
-int devm_acpi_fan_create_hwmon(struct acpi_device *device)
+int devm_acpi_fan_create_hwmon(struct device *dev)
{
- struct acpi_fan *fan = acpi_driver_data(device);
+ struct acpi_fan *fan = dev_get_drvdata(dev);
struct device *hdev;
- hdev = devm_hwmon_device_register_with_info(&device->dev, "acpi_fan", fan,
- &acpi_fan_hwmon_chip_info, NULL);
+ hdev = devm_hwmon_device_register_with_info(dev, "acpi_fan", fan, &acpi_fan_hwmon_chip_info,
+ NULL);
return PTR_ERR_OR_ZERO(hdev);
}
diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c
index d4d52d5e9016..73cb933fdc89 100644
--- a/drivers/acpi/spcr.c
+++ b/drivers/acpi/spcr.c
@@ -155,7 +155,7 @@ int __init acpi_parse_spcr(bool enable_earlycon, bool enable_console)
* Baud Rate field. If this field is zero or not present, Configured
* Baud Rate is used.
*/
- if (table->precise_baudrate)
+ if (table->header.revision >= 4 && table->precise_baudrate)
baud_rate = table->precise_baudrate;
else switch (table->baud_rate) {
case 0:
generated by cgit (git 2.34.1) at 2025-11-02 11:47:41 +0000