diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
index 8850c01bd47060c2aad7cefa74d37fa303a286a8..9b131c6facbc0032b4a994b9f0f374397380c179 100644
--- a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
@@ -57,12 +57,14 @@ properties:
     maxItems: 1
 
   power-domains:
+    deprecated: true
     description:
       Power domain to use for enable control. This binding is only
       available if the compatible is chosen to regulator-fixed-domain.
     maxItems: 1
 
   required-opps:
+    deprecated: true
     description:
       Performance state to use for enable control. This binding is only
       available if the compatible is chosen to regulator-fixed-domain. The
diff --git a/drivers/regulator/bd9576-regulator.c b/drivers/regulator/bd9576-regulator.c
index e16c3727db7ad9fb720b50dbd62cc0067efc849b..aa42da4d141edd350a52795a1a4b413c36b9cb42 100644
--- a/drivers/regulator/bd9576-regulator.c
+++ b/drivers/regulator/bd9576-regulator.c
@@ -294,9 +294,9 @@ static bool check_temp_flag_mismatch(struct regulator_dev *rdev, int severity,
 				    struct bd957x_regulator_data *r)
 {
 	if ((severity == REGULATOR_SEVERITY_ERR &&
-	     r->ovd_notif != REGULATOR_EVENT_OVER_TEMP) ||
+	     r->temp_notif != REGULATOR_EVENT_OVER_TEMP) ||
 	     (severity == REGULATOR_SEVERITY_WARN &&
-	     r->ovd_notif != REGULATOR_EVENT_OVER_TEMP_WARN)) {
+	     r->temp_notif != REGULATOR_EVENT_OVER_TEMP_WARN)) {
 		dev_warn(rdev_get_dev(rdev),
 			 "Can't support both thermal WARN and ERR\n");
 		if (severity == REGULATOR_SEVERITY_WARN)
diff --git a/drivers/regulator/hi6421-regulator.c b/drivers/regulator/hi6421-regulator.c
index bff8c515dcde7d35418586afcf2157939b4fe188..d144a4bdb76dabf15ba3f7386a3dabec59a42020 100644
--- a/drivers/regulator/hi6421-regulator.c
+++ b/drivers/regulator/hi6421-regulator.c
@@ -366,9 +366,8 @@ static struct hi6421_regulator_info
 
 static int hi6421_regulator_enable(struct regulator_dev *rdev)
 {
-	struct hi6421_regulator_pdata *pdata;
+	struct hi6421_regulator_pdata *pdata = rdev_get_drvdata(rdev);
 
-	pdata = dev_get_drvdata(rdev->dev.parent);
 	/* hi6421 spec requires regulator enablement must be serialized:
 	 *  - Because when BUCK, LDO switching from off to on, it will have
 	 *    a huge instantaneous current; so you can not turn on two or
@@ -385,9 +384,10 @@ static int hi6421_regulator_enable(struct regulator_dev *rdev)
 
 static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev)
 {
-	struct hi6421_regulator_info *info = rdev_get_drvdata(rdev);
+	struct hi6421_regulator_info *info;
 	unsigned int reg_val;
 
+	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
 	if (reg_val & info->mode_mask)
 		return REGULATOR_MODE_IDLE;
@@ -397,9 +397,10 @@ static unsigned int hi6421_regulator_ldo_get_mode(struct regulator_dev *rdev)
 
 static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev)
 {
-	struct hi6421_regulator_info *info = rdev_get_drvdata(rdev);
+	struct hi6421_regulator_info *info;
 	unsigned int reg_val;
 
+	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
 	if (reg_val & info->mode_mask)
 		return REGULATOR_MODE_STANDBY;
@@ -410,9 +411,10 @@ static unsigned int hi6421_regulator_buck_get_mode(struct regulator_dev *rdev)
 static int hi6421_regulator_ldo_set_mode(struct regulator_dev *rdev,
 						unsigned int mode)
 {
-	struct hi6421_regulator_info *info = rdev_get_drvdata(rdev);
+	struct hi6421_regulator_info *info;
 	unsigned int new_mode;
 
+	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
 	switch (mode) {
 	case REGULATOR_MODE_NORMAL:
 		new_mode = 0;
@@ -434,9 +436,10 @@ static int hi6421_regulator_ldo_set_mode(struct regulator_dev *rdev,
 static int hi6421_regulator_buck_set_mode(struct regulator_dev *rdev,
 						unsigned int mode)
 {
-	struct hi6421_regulator_info *info = rdev_get_drvdata(rdev);
+	struct hi6421_regulator_info *info;
 	unsigned int new_mode;
 
+	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
 	switch (mode) {
 	case REGULATOR_MODE_NORMAL:
 		new_mode = 0;
@@ -459,7 +462,9 @@ static unsigned int
 hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev,
 			int input_uV, int output_uV, int load_uA)
 {
-	struct hi6421_regulator_info *info = rdev_get_drvdata(rdev);
+	struct hi6421_regulator_info *info;
+
+	info = container_of(rdev->desc, struct hi6421_regulator_info, desc);
 
 	if (load_uA > info->eco_microamp)
 		return REGULATOR_MODE_NORMAL;
@@ -543,14 +548,13 @@ static int hi6421_regulator_probe(struct platform_device *pdev)
 	if (!pdata)
 		return -ENOMEM;
 	mutex_init(&pdata->lock);
-	platform_set_drvdata(pdev, pdata);
 
 	for (i = 0; i < ARRAY_SIZE(hi6421_regulator_info); i++) {
 		/* assign per-regulator data */
 		info = &hi6421_regulator_info[i];
 
 		config.dev = pdev->dev.parent;
-		config.driver_data = info;
+		config.driver_data = pdata;
 		config.regmap = pmic->regmap;
 
 		rdev = devm_regulator_register(&pdev->dev, &info->desc,
diff --git a/drivers/regulator/hi6421v600-regulator.c b/drivers/regulator/hi6421v600-regulator.c
index 9b162c0555c392da685fb582a78497debd53baf1..845bc3b4026dd2b4d4142102e26eb3cc3ca1c799 100644
--- a/drivers/regulator/hi6421v600-regulator.c
+++ b/drivers/regulator/hi6421v600-regulator.c
@@ -98,10 +98,9 @@ static const unsigned int ldo34_voltages[] = {
 
 static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
 {
-	struct hi6421_spmi_reg_priv *priv;
+	struct hi6421_spmi_reg_priv *priv = rdev_get_drvdata(rdev);
 	int ret;
 
-	priv = dev_get_drvdata(rdev->dev.parent);
 	/* cannot enable more than one regulator at one time */
 	mutex_lock(&priv->enable_mutex);
 
@@ -119,9 +118,10 @@ static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
 
 static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
 {
-	struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+	struct hi6421_spmi_reg_info *sreg;
 	unsigned int reg_val;
 
+	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);
 	regmap_read(rdev->regmap, rdev->desc->enable_reg, &reg_val);
 
 	if (reg_val & sreg->eco_mode_mask)
@@ -133,9 +133,10 @@ static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
 static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
 					  unsigned int mode)
 {
-	struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+	struct hi6421_spmi_reg_info *sreg;
 	unsigned int val;
 
+	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);
 	switch (mode) {
 	case REGULATOR_MODE_NORMAL:
 		val = 0;
@@ -159,7 +160,9 @@ hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev,
 				       int input_uV, int output_uV,
 				       int load_uA)
 {
-	struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+	struct hi6421_spmi_reg_info *sreg;
+
+	sreg = container_of(rdev->desc, struct hi6421_spmi_reg_info, desc);
 
 	if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA))
 		return REGULATOR_MODE_NORMAL;
@@ -252,13 +255,12 @@ static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	mutex_init(&priv->enable_mutex);
-	platform_set_drvdata(pdev, priv);
 
 	for (i = 0; i < ARRAY_SIZE(regulator_info); i++) {
 		info = &regulator_info[i];
 
 		config.dev = pdev->dev.parent;
-		config.driver_data = info;
+		config.driver_data = priv;
 		config.regmap = pmic->regmap;
 
 		rdev = devm_regulator_register(dev, &info->desc, &config);
diff --git a/drivers/regulator/mtk-dvfsrc-regulator.c b/drivers/regulator/mtk-dvfsrc-regulator.c
index d3d876198d6ece3437f1851ad66d12017643e354..234af3a66c77df8fe429bc8772a4848b6fed4e55 100644
--- a/drivers/regulator/mtk-dvfsrc-regulator.c
+++ b/drivers/regulator/mtk-dvfsrc-regulator.c
@@ -179,8 +179,7 @@ static int dvfsrc_vcore_regulator_probe(struct platform_device *pdev)
 	for (i = 0; i < regulator_init_data->size; i++) {
 		config.dev = dev->parent;
 		config.driver_data = (mt_regulators + i);
-		rdev = devm_regulator_register(dev->parent,
-					       &(mt_regulators + i)->desc,
+		rdev = devm_regulator_register(dev, &(mt_regulators + i)->desc,
 					       &config);
 		if (IS_ERR(rdev)) {
 			dev_err(dev, "failed to register %s\n",
diff --git a/drivers/regulator/rtmv20-regulator.c b/drivers/regulator/rtmv20-regulator.c
index 4bca64de0f672d0f7e4ed5b722379a2182985b3d..2ee334174e2b01dac94ac60b5d37c5f4cb7b902c 100644
--- a/drivers/regulator/rtmv20-regulator.c
+++ b/drivers/regulator/rtmv20-regulator.c
@@ -37,7 +37,7 @@
 #define RTMV20_WIDTH2_MASK	GENMASK(7, 0)
 #define RTMV20_LBPLVL_MASK	GENMASK(3, 0)
 #define RTMV20_LBPEN_MASK	BIT(7)
-#define RTMV20_STROBEPOL_MASK	BIT(1)
+#define RTMV20_STROBEPOL_MASK	BIT(0)
 #define RTMV20_VSYNPOL_MASK	BIT(1)
 #define RTMV20_FSINEN_MASK	BIT(7)
 #define RTMV20_ESEN_MASK	BIT(6)
diff --git a/include/linux/mfd/rt5033-private.h b/include/linux/mfd/rt5033-private.h
index 2d1895c3efbf2e17388fac8d2d3453cf24bb248b..40a0c2dfb80ff0119bc1cf0b154a11b06a03b600 100644
--- a/include/linux/mfd/rt5033-private.h
+++ b/include/linux/mfd/rt5033-private.h
@@ -200,13 +200,13 @@ enum rt5033_reg {
 #define RT5033_REGULATOR_BUCK_VOLTAGE_MIN		1000000U
 #define RT5033_REGULATOR_BUCK_VOLTAGE_MAX		3000000U
 #define RT5033_REGULATOR_BUCK_VOLTAGE_STEP		100000U
-#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM		32
+#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM		21
 
 /* RT5033 regulator LDO output voltage uV */
 #define RT5033_REGULATOR_LDO_VOLTAGE_MIN		1200000U
 #define RT5033_REGULATOR_LDO_VOLTAGE_MAX		3000000U
 #define RT5033_REGULATOR_LDO_VOLTAGE_STEP		100000U
-#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM		32
+#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM		19
 
 /* RT5033 regulator SAFE LDO output voltage uV */
 #define RT5033_REGULATOR_SAFE_LDO_VOLTAGE		4900000U