diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6ea646466a072ebfd22cbfb67210202f7a2162d7..53d4fc70dbd0981cdb73eabdc815346c25963b6b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1556,6 +1556,19 @@ static int regulator_resolve_supply(struct regulator_dev *rdev)
 		}
 	}
 
+	/*
+	 * If the supply's parent device is not the same as the
+	 * regulator's parent device, then ensure the parent device
+	 * is bound before we resolve the supply, in case the parent
+	 * device get probe deferred and unregisters the supply.
+	 */
+	if (r->dev.parent && r->dev.parent != rdev->dev.parent) {
+		if (!device_is_bound(r->dev.parent)) {
+			put_device(&r->dev);
+			return -EPROBE_DEFER;
+		}
+	}
+
 	/* Recursively resolve the supply of the supply */
 	ret = regulator_resolve_supply(r);
 	if (ret < 0) {
diff --git a/drivers/regulator/s2mpa01.c b/drivers/regulator/s2mpa01.c
index 92f88753bfed274fa5acbec2d2e37dda22c43380..38ee97a085f915921d8d67b4ae839f202422eaa8 100644
--- a/drivers/regulator/s2mpa01.c
+++ b/drivers/regulator/s2mpa01.c
@@ -26,6 +26,7 @@
 #define S2MPA01_REGULATOR_CNT ARRAY_SIZE(regulators)
 
 struct s2mpa01_info {
+	struct of_regulator_match rdata[S2MPA01_REGULATOR_MAX];
 	int ramp_delay24;
 	int ramp_delay3;
 	int ramp_delay5;
@@ -341,9 +342,9 @@ static int s2mpa01_pmic_probe(struct platform_device *pdev)
 {
 	struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
 	struct sec_platform_data *pdata = dev_get_platdata(iodev->dev);
-	struct of_regulator_match rdata[S2MPA01_REGULATOR_MAX] = { };
 	struct device_node *reg_np = NULL;
 	struct regulator_config config = { };
+	struct of_regulator_match *rdata;
 	struct s2mpa01_info *s2mpa01;
 	int i;
 
@@ -351,6 +352,7 @@ static int s2mpa01_pmic_probe(struct platform_device *pdev)
 	if (!s2mpa01)
 		return -ENOMEM;
 
+	rdata = s2mpa01->rdata;
 	for (i = 0; i < S2MPA01_REGULATOR_CNT; i++)
 		rdata[i].name = regulators[i].name;
 
diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c
index 2d12b9af35402c6f3af37a0b9e24c1c3227fb66f..5324dc9e6d6e67d763f4f65c9532fe39f2fd0a0c 100644
--- a/drivers/regulator/tps65217-regulator.c
+++ b/drivers/regulator/tps65217-regulator.c
@@ -179,7 +179,8 @@ static const struct regulator_desc regulators[] = {
 	TPS65217_REGULATOR("DCDC1", TPS65217_DCDC_1, "dcdc1",
 			   tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC1,
 			   TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC1_EN,
-			   NULL, tps65217_uv1_ranges, 2, TPS65217_REG_SEQ1,
+			   NULL, tps65217_uv1_ranges,
+			   ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ1,
 			   TPS65217_SEQ1_DC1_SEQ_MASK),
 	TPS65217_REGULATOR("DCDC2", TPS65217_DCDC_2, "dcdc2",
 			   tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC2,
@@ -190,7 +191,8 @@ static const struct regulator_desc regulators[] = {
 	TPS65217_REGULATOR("DCDC3", TPS65217_DCDC_3, "dcdc3",
 			   tps65217_pmic_ops, 64, TPS65217_REG_DEFDCDC3,
 			   TPS65217_DEFDCDCX_DCDC_MASK, TPS65217_ENABLE_DC3_EN,
-			   NULL, tps65217_uv1_ranges, 1, TPS65217_REG_SEQ2,
+			   NULL, tps65217_uv1_ranges,
+			   ARRAY_SIZE(tps65217_uv1_ranges), TPS65217_REG_SEQ2,
 			   TPS65217_SEQ2_DC3_SEQ_MASK),
 	TPS65217_REGULATOR("LDO1", TPS65217_LDO_1, "ldo1",
 			   tps65217_pmic_ldo1_ops, 16, TPS65217_REG_DEFLDO1,