1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d7448adc7a2..278584302f2 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -3321,7 +3321,8 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
  * @config: runtime configuration for regulator
  *
  * Called by regulator drivers to register a regulator.
- * Returns 0 on success.
+ * Returns a valid pointer to struct regulator_dev on success
+ * or an ERR_PTR() on error.
  */
 struct regulator_dev *
 regulator_register(const struct regulator_desc *regulator_desc,