diff --git a/drivers/regulator/mt6359-regulator.c b/drivers/regulator/mt6359-regulator.c
index de3b0462832cd..f94f87c5407ae 100644
--- a/drivers/regulator/mt6359-regulator.c
+++ b/drivers/regulator/mt6359-regulator.c
@@ -951,9 +951,12 @@ static int mt6359_regulator_probe(struct platform_device *pdev)
 	struct regulator_config config = {};
 	struct regulator_dev *rdev;
 	struct mt6359_regulator_info *mt6359_info;
-	int i, hw_ver;
+	int i, hw_ver, ret;
+
+	ret = regmap_read(mt6397->regmap, MT6359P_HWCID, &hw_ver);
+	if (ret)
+		return ret;
 
-	regmap_read(mt6397->regmap, MT6359P_HWCID, &hw_ver);
 	if (hw_ver >= MT6359P_CHIP_VER)
 		mt6359_info = mt6359p_regulators;
 	else