diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index 7b0cd08db446239510377347f3c0490e364e061e..ba020a45f238e764e48a62af325329f34da81779 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -125,7 +125,7 @@ static const struct regulator_ops vid_ops = {
 
 static const struct regulator_desc regulators[] = {
 	BD9571MWV_REG("VD09", "vd09", VD09, avs_ops, 0, 0x7f,
-		      0x80, 600000, 10000, 0x3c),
+		      0x6f, 600000, 10000, 0x3c),
 	BD9571MWV_REG("VD18", "vd18", VD18, vid_ops, BD9571MWV_VD18_VID, 0xf,
 		      16, 1625000, 25000, 0),
 	BD9571MWV_REG("VD25", "vd25", VD25, vid_ops, BD9571MWV_VD25_VID, 0xf,
@@ -134,7 +134,7 @@ static const struct regulator_desc regulators[] = {
 		      11, 2800000, 100000, 0),
 	BD9571MWV_REG("DVFS", "dvfs", DVFS, reg_ops,
 		      BD9571MWV_DVFS_MONIVDAC, 0x7f,
-		      0x80, 600000, 10000, 0x3c),
+		      0x6f, 600000, 10000, 0x3c),
 };
 
 #ifdef CONFIG_PM_SLEEP
@@ -174,7 +174,7 @@ static ssize_t backup_mode_show(struct device *dev,
 {
 	struct bd9571mwv_reg *bdreg = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
+	return sysfs_emit(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
 }
 
 static ssize_t backup_mode_store(struct device *dev,
@@ -301,7 +301,7 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 					       &config);
 		if (IS_ERR(rdev)) {
 			dev_err(&pdev->dev, "failed to register %s regulator\n",
-				pdev->name);
+				regulators[i].name);
 			return PTR_ERR(rdev);
 		}
 	}
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index d31f5c3cd773b6e336925a55528cf7eb42667d5d..504898ba265e064433af1b0c44195818d7991854 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1442,6 +1442,8 @@ static int set_machine_constraints(struct regulator_dev *rdev)
 
 		if (rdev->constraints->always_on)
 			rdev->use_count++;
+	} else if (rdev->desc->off_on_delay) {
+		rdev->last_off_jiffy = jiffies;
 	}
 
 	print_constraints(rdev);
diff --git a/drivers/regulator/da9121-regulator.c b/drivers/regulator/da9121-regulator.c
index a2ede7d7897eb1a5059ae1978cc45c2e84f119ed..08cbf688e14d3fc8bc29b0519e1da693ec91d19e 100644
--- a/drivers/regulator/da9121-regulator.c
+++ b/drivers/regulator/da9121-regulator.c
@@ -40,6 +40,7 @@ struct da9121 {
 	unsigned int passive_delay;
 	int chip_irq;
 	int variant_id;
+	int subvariant_id;
 };
 
 /* Define ranges for different variants, enabling translation to/from
@@ -812,7 +813,6 @@ static struct regmap_config da9121_2ch_regmap_config = {
 static int da9121_check_device_type(struct i2c_client *i2c, struct da9121 *chip)
 {
 	u32 device_id;
-	u8 chip_id = chip->variant_id;
 	u32 variant_id;
 	u8 variant_mrc, variant_vrc;
 	char *type;
@@ -839,22 +839,34 @@ static int da9121_check_device_type(struct i2c_client *i2c, struct da9121 *chip)
 
 	variant_vrc = variant_id & DA9121_MASK_OTP_VARIANT_ID_VRC;
 
-	switch (variant_vrc) {
-	case DA9121_VARIANT_VRC:
-		type = "DA9121/DA9130";
-		config_match = (chip_id == DA9121_TYPE_DA9121_DA9130);
+	switch (chip->subvariant_id) {
+	case DA9121_SUBTYPE_DA9121:
+		type = "DA9121";
+		config_match = (variant_vrc == DA9121_VARIANT_VRC);
 		break;
-	case DA9220_VARIANT_VRC:
-		type = "DA9220/DA9132";
-		config_match = (chip_id == DA9121_TYPE_DA9220_DA9132);
+	case DA9121_SUBTYPE_DA9130:
+		type = "DA9130";
+		config_match = (variant_vrc == DA9130_VARIANT_VRC);
 		break;
-	case DA9122_VARIANT_VRC:
-		type = "DA9122/DA9131";
-		config_match = (chip_id == DA9121_TYPE_DA9122_DA9131);
+	case DA9121_SUBTYPE_DA9220:
+		type = "DA9220";
+		config_match = (variant_vrc == DA9220_VARIANT_VRC);
 		break;
-	case DA9217_VARIANT_VRC:
+	case DA9121_SUBTYPE_DA9132:
+		type = "DA9132";
+		config_match = (variant_vrc == DA9132_VARIANT_VRC);
+		break;
+	case DA9121_SUBTYPE_DA9122:
+		type = "DA9122";
+		config_match = (variant_vrc == DA9122_VARIANT_VRC);
+		break;
+	case DA9121_SUBTYPE_DA9131:
+		type = "DA9131";
+		config_match = (variant_vrc == DA9131_VARIANT_VRC);
+		break;
+	case DA9121_SUBTYPE_DA9217:
 		type = "DA9217";
-		config_match = (chip_id == DA9121_TYPE_DA9217);
+		config_match = (variant_vrc == DA9217_VARIANT_VRC);
 		break;
 	default:
 		type = "Unknown";
@@ -892,15 +904,27 @@ static int da9121_assign_chip_model(struct i2c_client *i2c,
 
 	chip->dev = &i2c->dev;
 
-	switch (chip->variant_id) {
-	case DA9121_TYPE_DA9121_DA9130:
-		fallthrough;
-	case DA9121_TYPE_DA9217:
+	/* Use configured subtype to select the regulator descriptor index and
+	 * register map, common to both consumer and automotive grade variants
+	 */
+	switch (chip->subvariant_id) {
+	case DA9121_SUBTYPE_DA9121:
+	case DA9121_SUBTYPE_DA9130:
+		chip->variant_id = DA9121_TYPE_DA9121_DA9130;
 		regmap = &da9121_1ch_regmap_config;
 		break;
-	case DA9121_TYPE_DA9122_DA9131:
-		fallthrough;
-	case DA9121_TYPE_DA9220_DA9132:
+	case DA9121_SUBTYPE_DA9217:
+		chip->variant_id = DA9121_TYPE_DA9217;
+		regmap = &da9121_1ch_regmap_config;
+		break;
+	case DA9121_SUBTYPE_DA9122:
+	case DA9121_SUBTYPE_DA9131:
+		chip->variant_id = DA9121_TYPE_DA9122_DA9131;
+		regmap = &da9121_2ch_regmap_config;
+		break;
+	case DA9121_SUBTYPE_DA9220:
+	case DA9121_SUBTYPE_DA9132:
+		chip->variant_id = DA9121_TYPE_DA9220_DA9132;
 		regmap = &da9121_2ch_regmap_config;
 		break;
 	}
@@ -975,13 +999,13 @@ static int da9121_config_irq(struct i2c_client *i2c,
 }
 
 static const struct of_device_id da9121_dt_ids[] = {
-	{ .compatible = "dlg,da9121", .data = (void *) DA9121_TYPE_DA9121_DA9130 },
-	{ .compatible = "dlg,da9130", .data = (void *) DA9121_TYPE_DA9121_DA9130 },
-	{ .compatible = "dlg,da9217", .data = (void *) DA9121_TYPE_DA9217 },
-	{ .compatible = "dlg,da9122", .data = (void *) DA9121_TYPE_DA9122_DA9131 },
-	{ .compatible = "dlg,da9131", .data = (void *) DA9121_TYPE_DA9122_DA9131 },
-	{ .compatible = "dlg,da9220", .data = (void *) DA9121_TYPE_DA9220_DA9132 },
-	{ .compatible = "dlg,da9132", .data = (void *) DA9121_TYPE_DA9220_DA9132 },
+	{ .compatible = "dlg,da9121", .data = (void *) DA9121_SUBTYPE_DA9121 },
+	{ .compatible = "dlg,da9130", .data = (void *) DA9121_SUBTYPE_DA9130 },
+	{ .compatible = "dlg,da9217", .data = (void *) DA9121_SUBTYPE_DA9217 },
+	{ .compatible = "dlg,da9122", .data = (void *) DA9121_SUBTYPE_DA9122 },
+	{ .compatible = "dlg,da9131", .data = (void *) DA9121_SUBTYPE_DA9131 },
+	{ .compatible = "dlg,da9220", .data = (void *) DA9121_SUBTYPE_DA9220 },
+	{ .compatible = "dlg,da9132", .data = (void *) DA9121_SUBTYPE_DA9132 },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, da9121_dt_ids);
@@ -1011,7 +1035,7 @@ static int da9121_i2c_probe(struct i2c_client *i2c,
 	}
 
 	chip->pdata = i2c->dev.platform_data;
-	chip->variant_id = da9121_of_get_id(&i2c->dev);
+	chip->subvariant_id = da9121_of_get_id(&i2c->dev);
 
 	ret = da9121_assign_chip_model(i2c, chip);
 	if (ret < 0)
diff --git a/drivers/regulator/da9121-regulator.h b/drivers/regulator/da9121-regulator.h
index 3c34cb889ca87d1b565e774ec522e53d08db97e1..357f416e17c1df91edf66571928dfe521fe39933 100644
--- a/drivers/regulator/da9121-regulator.h
+++ b/drivers/regulator/da9121-regulator.h
@@ -29,6 +29,16 @@ enum da9121_variant {
 	DA9121_TYPE_DA9217
 };
 
+enum da9121_subvariant {
+	DA9121_SUBTYPE_DA9121,
+	DA9121_SUBTYPE_DA9130,
+	DA9121_SUBTYPE_DA9220,
+	DA9121_SUBTYPE_DA9132,
+	DA9121_SUBTYPE_DA9122,
+	DA9121_SUBTYPE_DA9131,
+	DA9121_SUBTYPE_DA9217
+};
+
 /* Minimum, maximum and default polling millisecond periods are provided
  * here as an example. It is expected that any final implementation will
  * include a modification of these settings to match the required
@@ -279,6 +289,9 @@ enum da9121_variant {
 #define DA9220_VARIANT_VRC	0x0
 #define DA9122_VARIANT_VRC	0x2
 #define DA9217_VARIANT_VRC	0x7
+#define DA9130_VARIANT_VRC	0x0
+#define DA9131_VARIANT_VRC	0x1
+#define DA9132_VARIANT_VRC	0x2
 
 /* DA9121_REG_OTP_CUSTOMER_ID */