regulator: rc5t583: Convert to regulator_list_voltage_linear()

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

drivers/regulator/rc5t583-regulator.c

@@ -41,9 +41,7 @@ struct rc5t583_regulator_info {
 	uint8_t			deepsleep_reg;
 
 	/* Chip constraints on regulator behavior */
-	int			min_uV;
 	int			max_uV;
-	int			step_uV;
 
 	/* Regulator specific turn-on delay  and voltage settling time*/
 	int			enable_uv_per_us;
@@ -62,24 +60,16 @@ struct rc5t583_regulator {
 	struct regulator_dev	*rdev;
 };
 
-static int rc5t583_list_voltage(struct regulator_dev *rdev, unsigned selector)
-{
-	struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
-	struct rc5t583_regulator_info *ri = reg->reg_info;
-	return ri->min_uV + (ri->step_uV * selector);
-}
-
 static int rc5t583_set_voltage(struct regulator_dev *rdev,
 			       int min_uV, int max_uV, unsigned *selector)
 {
 	struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
-	struct rc5t583_regulator_info *ri = reg->reg_info;
 	int sel, ret;
 
-	if (min_uV < ri->min_uV)
-		min_uV = ri->min_uV;
+	if (min_uV < rdev->desc->min_uV)
+		min_uV = rdev->desc->min_uV;
 
-	sel = DIV_ROUND_UP(min_uV - ri->min_uV, ri->step_uV);
+	sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step);
 
 	if (sel >= rdev->desc->n_voltages) {
 		dev_err(&rdev->dev, "Invalid selector 0x%02x\n", sel);
@@ -100,7 +90,7 @@ static int rc5t583_regulator_enable_time(struct regulator_dev *rdev)
 {
 	struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
 	int vsel = regulator_get_voltage_sel_regmap(rdev);
-	int curr_uV = rc5t583_list_voltage(rdev, vsel);
+	int curr_uV = regulator_list_voltage_linear(rdev, vsel);
 
 	return DIV_ROUND_UP(curr_uV, reg->reg_info->enable_uv_per_us);
 }
@@ -110,12 +100,12 @@ static int rc5t583_set_voltage_time_sel(struct regulator_dev *rdev,
 {
 	struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
 	int old_uV, new_uV;
-	old_uV = rc5t583_list_voltage(rdev, old_selector);
+	old_uV = regulator_list_voltage_linear(rdev, old_selector);
 
 	if (old_uV < 0)
 		return old_uV;
 
-	new_uV = rc5t583_list_voltage(rdev, new_selector);
+	new_uV = regulator_list_voltage_linear(rdev, new_selector);
 	if (new_uV < 0)
 		return new_uV;
 
@@ -131,7 +121,7 @@ static struct regulator_ops rc5t583_ops = {
 	.enable_time		= rc5t583_regulator_enable_time,
 	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
 	.set_voltage		= rc5t583_set_voltage,
-	.list_voltage		= rc5t583_list_voltage,
+	.list_voltage		= regulator_list_voltage_linear,
 	.set_voltage_time_sel	= rc5t583_set_voltage_time_sel,
 };
 
@@ -141,9 +131,7 @@ static struct regulator_ops rc5t583_ops = {
 	.reg_disc_reg	= RC5T583_REG_##_disc_reg,		\
 	.disc_bit	= _disc_bit,				\
 	.deepsleep_reg	= RC5T583_REG_##_id##DAC_DS,		\
-	.min_uV		= _min_mv * 1000,			\
 	.max_uV		= _max_mv * 1000,			\
-	.step_uV	= _step_uV,				\
 	.enable_uv_per_us = _enable_mv * 1000,			\
 	.change_uv_per_us = 40 * 1000,				\
 	.deepsleep_id	= RC5T583_DS_##_id,			\
@@ -158,6 +146,8 @@ static struct regulator_ops rc5t583_ops = {
 		.vsel_mask = _vout_mask,			\
 		.enable_reg = RC5T583_REG_##_en_reg,		\
 		.enable_mask = BIT(_en_bit),			\
+		.min_uV	= _min_mv * 1000,			\
+		.uV_step = _step_uV,				\
 	},							\
 }