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 3fd1713f1f62..fce3f3bba714 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -363,28 +363,3 @@ int acpi_platform_notify(struct device *dev, enum kobject_action action) } return 0; } - -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; -} |