diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b9d7b45c729545..e2caf11598c7b5 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1349,7 +1349,9 @@ static int set_machine_constraints(struct regulator_dev *rdev,
 		 * We'll only apply the initial system load if an
 		 * initial mode wasn't specified.
 		 */
+		regulator_lock(rdev);
 		drms_uA_update(rdev);
+		regulator_unlock(rdev);
 	}
 
 	if ((rdev->constraints->ramp_delay || rdev->constraints->ramp_disable)