diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index ace4ecc6d7c2..ae69e493913d 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1002,7 +1002,7 @@ static int drms_uA_update(struct regulator_dev *rdev)
 		/* get input voltage */
 		input_uV = 0;
 		if (rdev->supply)
-			input_uV = regulator_get_voltage(rdev->supply);
+			input_uV = regulator_get_voltage_rdev(rdev->supply->rdev);
 		if (input_uV <= 0)
 			input_uV = rdev->constraints->input_uV;
 
@@ -5540,7 +5540,7 @@ regulator_register(struct device *dev,
 
 	/* register with sysfs */
 	rdev->dev.class = &regulator_class;
-	rdev->dev.parent = dev;
+	rdev->dev.parent = config->dev;
 	dev_set_name(&rdev->dev, "regulator.%lu",
 		    (unsigned long) atomic_inc_return(&regulator_no));
 	dev_set_drvdata(&rdev->dev, rdev);