regulator: lock supply in regulator enable
This patch add locks around regulator supply enable. Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
parent
7727da22e8
commit
3aa713e76e
1 changed files with 2 additions and 0 deletions
|
@ -1269,7 +1269,9 @@ static int _regulator_enable(struct regulator_dev *rdev)
|
|||
|
||||
/* do we need to enable the supply regulator first */
|
||||
if (rdev->supply) {
|
||||
mutex_lock(&rdev->supply->mutex);
|
||||
ret = _regulator_enable(rdev->supply);
|
||||
mutex_unlock(&rdev->supply->mutex);
|
||||
if (ret < 0) {
|
||||
printk(KERN_ERR "%s: failed to enable %s: %d\n",
|
||||
__func__, rdev_get_name(rdev), ret);
|
||||
|
|
Reference in a new issue