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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-16 09:08:51 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-16 09:08:51 +0100
commit94e14da890b1b68526b5f87ff1c97f374fd2471e (patch)
treead17c794208b02cd2ae24d67ab7e9c14c2fd43c5 /drivers/acpi/device_pm.c
parent5367601b52696004f363e4f6c0b228b5bbf7d8b7 (diff)
parentd1eef1c619749b2a57e514a3fa67d9a516ffa919 (diff)
Merge 5.5-rc2 into driver-core-next
We need the driver core fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi/device_pm.c')
-rw-r--r--drivers/acpi/device_pm.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 08bb9f2f2d23..5e4a8860a9c0 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -1314,9 +1314,19 @@ static void acpi_dev_pm_detach(struct device *dev, bool power_off)
*/
int acpi_dev_pm_attach(struct device *dev, bool power_on)
{
+ /*
+ * Skip devices whose ACPI companions match the device IDs below,
+ * because they require special power management handling incompatible
+ * with the generic ACPI PM domain.
+ */
+ static const struct acpi_device_id special_pm_ids[] = {
+ {"PNP0C0B", }, /* Generic ACPI fan */
+ {"INT3404", }, /* Fan */
+ {}
+ };
struct acpi_device *adev = ACPI_COMPANION(dev);
- if (!adev)
+ if (!adev || !acpi_match_device_ids(adev, special_pm_ids))
return 0;
/*