regulator: rk808: Use rdev_get_id() to access id of regulator

RK808_ID_DCDC1 is 0, no need to do subtract RK808_ID_DCDC1.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index 3314bf299a51..fb44d5215e30 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -120,7 +120,7 @@ static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = {
 static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev)
 {
         struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
-        int id = rdev->desc->id - RK808_ID_DCDC1;
+        int id = rdev_get_id(rdev);
         struct gpio_desc *gpio = pdata->dvs_gpio[id];
         unsigned int val;
         int ret;
@@ -193,7 +193,7 @@ static int rk808_buck1_2_set_voltage_sel(struct regulator_dev *rdev,
                                          unsigned sel)
 {
         struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
-        int id = rdev->desc->id - RK808_ID_DCDC1;
+        int id = rdev_get_id(rdev);
         struct gpio_desc *gpio = pdata->dvs_gpio[id];
         unsigned int reg = rdev->desc->vsel_reg;
         unsigned old_sel;
@@ -232,7 +232,7 @@ static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
                                        unsigned int new_selector)
 {
         struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev);
-        int id = rdev->desc->id - RK808_ID_DCDC1;
+        int id = rdev_get_id(rdev);
         struct gpio_desc *gpio = pdata->dvs_gpio[id];
 
         /* if there is no dvs1/2 pin, we don't need wait extra time here. */
@@ -245,8 +245,7 @@ static int rk808_buck1_2_set_voltage_time_sel(struct regulator_dev *rdev,
 static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
 {
         unsigned int ramp_value = RK808_RAMP_RATE_10MV_PER_US;
-        unsigned int reg = rk808_buck_config_regs[rdev->desc->id -
-                                                  RK808_ID_DCDC1];
+        unsigned int reg = rk808_buck_config_regs[rdev_get_id(rdev)];
 
         switch (ramp_delay) {
         case 1 ... 2000: