diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d8373cb04f9038af50c1798ea3d16b142a8159a1..a5033c6ba01e1253d36dfe9c2ce5b4f762b28473 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -5496,7 +5496,39 @@ regulator_register(const struct regulator_desc *regulator_desc,
 	BLOCKING_INIT_NOTIFIER_HEAD(&rdev->notifier);
 	INIT_DELAYED_WORK(&rdev->disable_work, regulator_disable_work);
 
-	/* preform any regulator specific init */
+	/* set regulator constraints */
+	if (init_data)
+		rdev->constraints = kmemdup(&init_data->constraints,
+					    sizeof(*rdev->constraints),
+					    GFP_KERNEL);
+	else
+		rdev->constraints = kzalloc(sizeof(*rdev->constraints),
+					    GFP_KERNEL);
+	if (!rdev->constraints) {
+		ret = -ENOMEM;
+		goto clean;
+	}
+
+	if (init_data && init_data->supply_regulator)
+		rdev->supply_name = init_data->supply_regulator;
+	else if (regulator_desc->supply_name)
+		rdev->supply_name = regulator_desc->supply_name;
+
+	if ((rdev->supply_name && !rdev->supply) &&
+			(rdev->constraints->always_on ||
+			 rdev->constraints->boot_on)) {
+		/* Try to resolve the name of the supplying regulator here first
+		 * so we prevent double-initializing the regulator, which may
+		 * cause timing-specific voltage brownouts/glitches that are
+		 * hard to debug.
+		 */
+		ret = regulator_resolve_supply(rdev);
+		if (ret)
+			rdev_dbg(rdev, "unable to resolve supply early: %pe\n",
+					 ERR_PTR(ret));
+	}
+
+	/* perform any regulator specific init */
 	if (init_data && init_data->regulator_init) {
 		ret = init_data->regulator_init(rdev->reg_data);
 		if (ret < 0)
@@ -5522,24 +5554,6 @@ regulator_register(const struct regulator_desc *regulator_desc,
 		    (unsigned long) atomic_inc_return(&regulator_no));
 	dev_set_drvdata(&rdev->dev, rdev);
 
-	/* set regulator constraints */
-	if (init_data)
-		rdev->constraints = kmemdup(&init_data->constraints,
-					    sizeof(*rdev->constraints),
-					    GFP_KERNEL);
-	else
-		rdev->constraints = kzalloc(sizeof(*rdev->constraints),
-					    GFP_KERNEL);
-	if (!rdev->constraints) {
-		ret = -ENOMEM;
-		goto wash;
-	}
-
-	if (init_data && init_data->supply_regulator)
-		rdev->supply_name = init_data->supply_regulator;
-	else if (regulator_desc->supply_name)
-		rdev->supply_name = regulator_desc->supply_name;
-
 	ret = set_machine_constraints(rdev);
 	if (ret == -EPROBE_DEFER) {
 		/* Regulator might be in bypass mode and so needs its supply