diff options
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index dafae6d2f7ac..fc5a558f62f9 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -534,6 +534,52 @@ static DEVICE_ATTR_RO(dev); struct kset *devices_kset; /** + * devices_kset_move_before - Move device in the devices_kset's list. + * @deva: Device to move. + * @devb: Device @deva should come before. + */ +static void devices_kset_move_before(struct device *deva, struct device *devb) +{ + if (!devices_kset) + return; + pr_debug("devices_kset: Moving %s before %s\n", + dev_name(deva), dev_name(devb)); + spin_lock(&devices_kset->list_lock); + list_move_tail(&deva->kobj.entry, &devb->kobj.entry); + spin_unlock(&devices_kset->list_lock); +} + +/** + * devices_kset_move_after - Move device in the devices_kset's list. + * @deva: Device to move + * @devb: Device @deva should come after. + */ +static void devices_kset_move_after(struct device *deva, struct device *devb) +{ + if (!devices_kset) + return; + pr_debug("devices_kset: Moving %s after %s\n", + dev_name(deva), dev_name(devb)); + spin_lock(&devices_kset->list_lock); + list_move(&deva->kobj.entry, &devb->kobj.entry); + spin_unlock(&devices_kset->list_lock); +} + +/** + * devices_kset_move_last - move the device to the end of devices_kset's list. + * @dev: device to move + */ +void devices_kset_move_last(struct device *dev) +{ + if (!devices_kset) + return; + pr_debug("devices_kset: Moving %s to end of list\n", dev_name(dev)); + spin_lock(&devices_kset->list_lock); + list_move_tail(&dev->kobj.entry, &devices_kset->list); + spin_unlock(&devices_kset->list_lock); +} + +/** * device_create_file - create sysfs attribute file for device. * @dev: device. * @attr: device attribute descriptor. @@ -1923,12 +1969,15 @@ int device_move(struct device *dev, struct device *new_parent, break; case DPM_ORDER_DEV_AFTER_PARENT: device_pm_move_after(dev, new_parent); + devices_kset_move_after(dev, new_parent); break; case DPM_ORDER_PARENT_BEFORE_DEV: device_pm_move_before(new_parent, dev); + devices_kset_move_before(new_parent, dev); break; case DPM_ORDER_DEV_LAST: device_pm_move_last(dev); + devices_kset_move_last(dev); break; } |