regulator: Kill max8997_get_rid function

Use rdev_get_id() directly.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index bb7cd9d..9657929 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -130,15 +130,10 @@
 	[MAX8997_CHARGER_TOPOFF] = &topoff_current_map_desc,
 };
 
-static inline int max8997_get_rid(struct regulator_dev *rdev)
-{
-	return rdev_get_id(rdev);
-}
-
 static int max8997_list_voltage_safeout(struct regulator_dev *rdev,
 		unsigned int selector)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	if (rid == MAX8997_ESAFEOUT1 || rid == MAX8997_ESAFEOUT2) {
 		switch (selector) {
@@ -161,7 +156,7 @@
 static int max8997_list_voltage_charger_cv(struct regulator_dev *rdev,
 		unsigned int selector)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	if (rid != MAX8997_CHARGER_CV)
 		goto err;
@@ -184,7 +179,7 @@
 		unsigned int selector)
 {
 	const struct voltage_map_desc *desc;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int val;
 
 	if (rid >= ARRAY_SIZE(reg_voltage_map) ||
@@ -205,7 +200,7 @@
 static int max8997_get_enable_register(struct regulator_dev *rdev,
 		int *reg, int *mask, int *pattern)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	switch (rid) {
 	case MAX8997_LDO1 ... MAX8997_LDO21:
@@ -325,7 +320,7 @@
 static int max8997_get_voltage_register(struct regulator_dev *rdev,
 		int *_reg, int *_shift, int *_mask)
 {
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask = 0x3f;
 
 	switch (rid) {
@@ -386,7 +381,7 @@
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
 	int reg, shift, mask, ret;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	u8 val;
 
 	ret = max8997_get_voltage_register(rdev, &reg, &shift, &mask);
@@ -446,7 +441,7 @@
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int lb, ub;
 	int reg, shift = 0, mask, ret = 0;
 	u8 val = 0x0;
@@ -503,7 +498,7 @@
 	struct i2c_client *i2c = max8997->iodev->i2c;
 	int min_vol = min_uV / 1000, max_vol = max_uV / 1000;
 	const struct voltage_map_desc *desc;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
 	int i;
 	u8 org;
@@ -564,7 +559,7 @@
 		u8 new_val, int *best)
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	u8 *buckx_val[3];
 	bool buckx_gpiodvs[3];
 	int side_effect[8];
@@ -641,7 +636,7 @@
 		int min_uV, int max_uV, unsigned *selector)
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	const struct voltage_map_desc *desc;
 	int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg;
 	bool gpio_dvs_mode = false;
@@ -724,7 +719,7 @@
 {
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 	int reg, shift = 0, mask, ret;
 	int i = 0;
 	u8 val;
@@ -766,7 +761,7 @@
 	struct max8997_data *max8997 = rdev_get_drvdata(rdev);
 	struct i2c_client *i2c = max8997->iodev->i2c;
 	int ret, reg, mask, pattern;
-	int rid = max8997_get_rid(rdev);
+	int rid = rdev_get_id(rdev);
 
 	ret = max8997_get_enable_register(rdev, &reg, &mask, &pattern);
 	if (ret)