REGULATOR Handle positive returncode from enable
This makes _regulator_enable() properly handle the case where
a regulator is already on when you try to enable it. Currently
it will erroneously handle positive return values as an error.
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index dbf27bf..744ea1d 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1236,11 +1236,12 @@
} else {
return -EINVAL;
}
- } else {
+ } else if (ret < 0) {
printk(KERN_ERR "%s: is_enabled() failed for %s: %d\n",
__func__, rdev->desc->name, ret);
return ret;
}
+ /* Fallthrough on positive return values - already enabled */
}
rdev->use_count++;