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-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/fan.c8
-rw-r--r--drivers/acpi/video.c10
3 files changed, 17 insertions, 3 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 5f9b74b9b71f..1b5853f384e2 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -844,6 +844,8 @@ static int ec_install_handlers(struct acpi_ec *ec)
static void ec_remove_handlers(struct acpi_ec *ec)
{
+ if (!test_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags))
+ return;
acpi_disable_gpe(NULL, ec->gpe);
if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index caf9b76b7ef8..7a36f02598a6 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -325,6 +325,7 @@ static int acpi_fan_probe(struct platform_device *pdev)
struct thermal_cooling_device *cdev;
struct acpi_fan *fan;
struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
+ char *name;
fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);
if (!fan) {
@@ -346,7 +347,12 @@ static int acpi_fan_probe(struct platform_device *pdev)
}
}
- cdev = thermal_cooling_device_register("Fan", device,
+ if (!strncmp(pdev->name, "PNP0C0B", strlen("PNP0C0B")))
+ name = "Fan";
+ else
+ name = acpi_device_bid(device);
+
+ cdev = thermal_cooling_device_register(name, device,
&fan_cooling_ops);
if (IS_ERR(cdev)) {
result = PTR_ERR(cdev);
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 185a57d13723..1eaadff2e198 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -155,6 +155,7 @@ struct acpi_video_bus {
u8 dos_setting;
struct acpi_video_enumerated_device *attached_array;
u8 attached_count;
+ u8 child_count;
struct acpi_video_bus_cap cap;
struct acpi_video_bus_flags flags;
struct list_head video_device_list;
@@ -1159,8 +1160,12 @@ static bool acpi_video_device_in_dod(struct acpi_video_device *device)
struct acpi_video_bus *video = device->video;
int i;
- /* If we have a broken _DOD, no need to test */
- if (!video->attached_count)
+ /*
+ * If we have a broken _DOD or we have more than 8 output devices
+ * under the graphics controller node that we can't proper deal with
+ * in the operation region code currently, no need to test.
+ */
+ if (!video->attached_count || video->child_count > 8)
return true;
for (i = 0; i < video->attached_count; i++) {
@@ -1413,6 +1418,7 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video,
dev_err(&dev->dev, "Can't attach device\n");
break;
}
+ video->child_count++;
}
return status;
}