--- zzzz-none-000/linux-3.10.107/drivers/regulator/mc13892-regulator.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/regulator/mc13892-regulator.c	2021-02-04 17:41:59.000000000 +0000
@@ -274,25 +274,25 @@
 	MC13892_SW_DEFINE(SW4, SWITCHERS3, SWITCHERS3, mc13892_sw),
 	MC13892_FIXED_DEFINE(SWBST, SWITCHERS5, mc13892_swbst),
 	MC13892_FIXED_DEFINE(VIOHI, REGULATORMODE0, mc13892_viohi),
-	MC13892_DEFINE_REGU(VPLL, REGULATORMODE0, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VPLL, REGULATORMODE0, REGULATORSETTING0,
 		mc13892_vpll),
-	MC13892_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0,
 		mc13892_vdig),
-	MC13892_DEFINE_REGU(VSD, REGULATORMODE1, REGULATORSETTING1,	\
+	MC13892_DEFINE_REGU(VSD, REGULATORMODE1, REGULATORSETTING1,
 		mc13892_vsd),
-	MC13892_DEFINE_REGU(VUSB2, REGULATORMODE0, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VUSB2, REGULATORMODE0, REGULATORSETTING0,
 		mc13892_vusb2),
-	MC13892_DEFINE_REGU(VVIDEO, REGULATORMODE1, REGULATORSETTING1,	\
+	MC13892_DEFINE_REGU(VVIDEO, REGULATORMODE1, REGULATORSETTING1,
 		mc13892_vvideo),
-	MC13892_DEFINE_REGU(VAUDIO, REGULATORMODE1, REGULATORSETTING1,	\
+	MC13892_DEFINE_REGU(VAUDIO, REGULATORMODE1, REGULATORSETTING1,
 		mc13892_vaudio),
-	MC13892_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0,
 		mc13892_vcam),
-	MC13892_DEFINE_REGU(VGEN1, REGULATORMODE0, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VGEN1, REGULATORMODE0, REGULATORSETTING0,
 		mc13892_vgen1),
-	MC13892_DEFINE_REGU(VGEN2, REGULATORMODE0, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VGEN2, REGULATORMODE0, REGULATORSETTING0,
 		mc13892_vgen2),
-	MC13892_DEFINE_REGU(VGEN3, REGULATORMODE1, REGULATORSETTING0,	\
+	MC13892_DEFINE_REGU(VGEN3, REGULATORMODE1, REGULATORSETTING0,
 		mc13892_vgen3),
 	MC13892_FIXED_DEFINE(VUSB, USB1, mc13892_vusb),
 	MC13892_GPO_DEFINE(GPO1, POWERMISC, mc13892_gpo),
@@ -476,8 +476,8 @@
 	}
 
 	mc13xxx_lock(priv->mc13xxx);
-	ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg, mask,
-			      reg_value);
+	ret = mc13xxx_reg_rmw(priv->mc13xxx, mc13892_regulators[id].vsel_reg,
+			      mask, reg_value);
 	mc13xxx_unlock(priv->mc13xxx);
 
 	return ret;
@@ -526,6 +526,7 @@
 	return REGULATOR_MODE_NORMAL;
 }
 
+static struct regulator_ops mc13892_vcam_ops;
 
 static int mc13892_regulator_probe(struct platform_device *pdev)
 {
@@ -582,10 +583,12 @@
 	}
 	mc13xxx_unlock(mc13892);
 
-	mc13892_regulators[MC13892_VCAM].desc.ops->set_mode
-		= mc13892_vcam_set_mode;
-	mc13892_regulators[MC13892_VCAM].desc.ops->get_mode
-		= mc13892_vcam_get_mode;
+	/* update mc13892_vcam ops */
+	memcpy(&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops,
+						sizeof(struct regulator_ops));
+	mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode,
+	mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode,
+	mc13892_regulators[MC13892_VCAM].desc.ops = &mc13892_vcam_ops;
 
 	mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators,
 					ARRAY_SIZE(mc13892_regulators));
@@ -611,45 +614,26 @@
 		config.driver_data = priv;
 		config.of_node = node;
 
-		priv->regulators[i] = regulator_register(desc, &config);
+		priv->regulators[i] = devm_regulator_register(&pdev->dev, desc,
+							      &config);
 		if (IS_ERR(priv->regulators[i])) {
 			dev_err(&pdev->dev, "failed to register regulator %s\n",
 				mc13892_regulators[i].desc.name);
-			ret = PTR_ERR(priv->regulators[i]);
-			goto err;
+			return PTR_ERR(priv->regulators[i]);
 		}
 	}
 
 	return 0;
-err:
-	while (--i >= 0)
-		regulator_unregister(priv->regulators[i]);
-	return ret;
 
 err_unlock:
 	mc13xxx_unlock(mc13892);
 	return ret;
 }
 
-static int mc13892_regulator_remove(struct platform_device *pdev)
-{
-	struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev);
-	int i;
-
-	platform_set_drvdata(pdev, NULL);
-
-	for (i = 0; i < priv->num_regulators; i++)
-		regulator_unregister(priv->regulators[i]);
-
-	return 0;
-}
-
 static struct platform_driver mc13892_regulator_driver = {
 	.driver	= {
 		.name	= "mc13892-regulator",
-		.owner	= THIS_MODULE,
 	},
-	.remove	= mc13892_regulator_remove,
 	.probe	= mc13892_regulator_probe,
 };