diff --git a/[refs] b/[refs] index 42420bd0ed9c..d881e7b7294b 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: b9e26bc804e611d879353cd953cb17db1c52d307 +refs/heads/master: f3c18a87f3ddcfd31b16f689d01eb6adcc99de74 diff --git a/trunk/drivers/regulator/core.c b/trunk/drivers/regulator/core.c index 27d062e1395c..c577c6d344ac 100644 --- a/trunk/drivers/regulator/core.c +++ b/trunk/drivers/regulator/core.c @@ -1267,15 +1267,17 @@ static int _regulator_enable(struct regulator_dev *rdev) { int ret, delay; - /* 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); - return ret; + if (rdev->use_count == 0) { + /* 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); + return ret; + } } }