--- zzzz-none-000/linux-4.4.271/drivers/regulator/qcom_rpm-regulator.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/regulator/qcom_rpm-regulator.c	2023-04-19 10:22:29.000000000 +0000
@@ -869,10 +869,19 @@
 	{ }
 };
 
+static const struct rpm_regulator_data rpm_smb208_regulators[] = {
+	{ "s1a",  QCOM_RPM_SMB208_S1a, &smb208_smps, "vin_s1a" },
+	{ "s1b",  QCOM_RPM_SMB208_S1b, &smb208_smps, "vin_s1b" },
+	{ "s2a",  QCOM_RPM_SMB208_S2a, &smb208_smps, "vin_s2a" },
+	{ "s2b",  QCOM_RPM_SMB208_S2b, &smb208_smps, "vin_s2b" },
+	{}
+};
+
 static const struct of_device_id rpm_of_match[] = {
 	{ .compatible = "qcom,rpm-pm8058-regulators", .data = &rpm_pm8058_regulators },
 	{ .compatible = "qcom,rpm-pm8901-regulators", .data = &rpm_pm8901_regulators },
 	{ .compatible = "qcom,rpm-pm8921-regulators", .data = &rpm_pm8921_regulators },
+	{ .compatible = "qcom,rpm-smb208-regulators", .data = &rpm_smb208_regulators },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, rpm_of_match);
@@ -893,6 +902,9 @@
 	}
 
 	match = of_match_device(rpm_of_match, &pdev->dev);
+	if (!match)
+		return -EINVAL;
+
 	for (reg = match->data; reg->name; reg++) {
 		vreg = devm_kmalloc(&pdev->dev, sizeof(*vreg), GFP_KERNEL);
 		if (!vreg)