diff options
Diffstat (limited to 'drivers/acpi/glue.c')
| -rw-r--r-- | drivers/acpi/glue.c | 25 | 
1 files changed, 0 insertions, 25 deletions
| diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 7cd0009e7ff3..ef104809f27b 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -347,28 +347,3 @@ void acpi_device_notify_remove(struct device *dev)  	acpi_unbind_one(dev);  } - -int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used) -{ -	struct acpi_device *adev = to_acpi_device(dev); - -	/* -	 * Skip device objects with device IDs, because they may be in use even -	 * if they are not companions of any physical device objects. -	 */ -	if (adev->pnp.type.hardware_id) -		return 0; - -	mutex_lock(&adev->physical_node_lock); - -	/* -	 * Device objects without device IDs are not in use if they have no -	 * corresponding physical device objects. -	 */ -	if (list_empty(&adev->physical_node_list)) -		acpi_device_set_power(adev, ACPI_STATE_D3_COLD); - -	mutex_unlock(&adev->physical_node_lock); - -	return 0; -} |