Commit 3aa713e7 authored by Mattias Wallin's avatar Mattias Wallin Committed by Liam Girdwood

regulator: lock supply in regulator enable

This patch add locks around regulator supply enable.
Signed-off-by: default avatarMattias Wallin <mattias.wallin@stericsson.com>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 7727da22
......@@ -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);
......
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