[PATCH] power: regulator: Fix an handling error about EALREADY

[Jaehoon Chung]

If reegulator is already enabled, it will be return to EALREADY.
But driver that its function is called can notice as error, even though
it's working fine.

Fixes: 4fcba5d556b ("regulator: implement basic reference counter")

Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
---
 drivers/power/regulator/regulator-uclass.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c
index 3a6ba69f6d5f..fc1c3eb93c9d 100644
--- a/drivers/power/regulator/regulator-uclass.c
+++ b/drivers/power/regulator/regulator-uclass.c
@@ -187,6 +187,10 @@ int regulator_set_enable(struct udevice *dev, bool enable)
 		}
 	}
 
+	/* Regulator is already enabled */
+	if (ret == -EALREADY)
+		return 0;
+
 	return ret;
 }
 
-- 
2.25.1