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:
Mattias Wallin 2010-11-04 11:01:31 +01:00 committed by Liam Girdwood
parent 4162cf6497
commit 63cee94614

View File

@ -1267,7 +1267,6 @@ static int _regulator_enable(struct regulator_dev *rdev)
{
int ret, delay;
if (rdev->use_count == 0) {
/* do we need to enable the supply regulator first */
if (rdev->supply) {
mutex_lock(&rdev->supply->mutex);
@ -1279,7 +1278,6 @@ static int _regulator_enable(struct regulator_dev *rdev)
return ret;
}
}
}
/* check voltage and requested load before enabling */
if (rdev->constraints &&