regulator: ab8500-ext: Remove enable() and disable() functions

Both enable() and disable() functions have only one caller, thus remove them.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Bengt Jonsson <bengt.g.jonsson@stericsson.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c
index 03faf9c698c4331a7b825608ecc2fc72d99c1ebc..b4d45472aae6badbe9d63363d6427cad98af8fe4 100644 (file)
--- a/drivers/regulator/ab8500-ext.c
+++ b/drivers/regulator/ab8500-ext.c
@@ -54,32 +54,44 @@ struct ab8500_ext_regulator_info {
        u8 update_val_hw;
 };
 
-static int enable(struct ab8500_ext_regulator_info *info, u8 *regval)
+static int ab8500_ext_regulator_enable(struct regulator_dev *rdev)
 {
        int ret;
+       struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
+       u8 regval;
 
-       *regval = info->update_val;
+       if (info == NULL) {
+               dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+               return -EINVAL;
+       }
 
        /*
         * To satisfy both HW high power request and SW request, the regulator
         * must be on in high power.
         */
        if (info->cfg && info->cfg->hwreq)
-               *regval = info->update_val_hp;
+               regval = info->update_val_hp;
+       else
+               regval = info->update_val;
 
        ret = abx500_mask_and_set_register_interruptible(info->dev,
                info->update_bank, info->update_reg,
-               info->update_mask, *regval);
+               info->update_mask, regval);
        if (ret < 0) {
                dev_err(rdev_get_dev(info->rdev),
                        "couldn't set enable bits for regulator\n");
                return ret;
        }
 
-       return ret;
+       dev_dbg(rdev_get_dev(rdev),
+               "%s-enable (bank, reg, mask, value): 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
+               info->desc.name, info->update_bank, info->update_reg,
+               info->update_mask, regval);
+
+       return 0;
 }
 
-static int ab8500_ext_regulator_enable(struct regulator_dev *rdev)
+static int ab8500_ext_regulator_disable(struct regulator_dev *rdev)
 {
        int ret;
        struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
@@ -90,59 +102,29 @@ static int ab8500_ext_regulator_enable(struct regulator_dev *rdev)
                return -EINVAL;
        }
 
-       ret = enable(info, &regval);
-
-       dev_dbg(rdev_get_dev(rdev), "%s-enable (bank, reg, mask, value):"
-               " 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
-               info->desc.name, info->update_bank, info->update_reg,
-               info->update_mask, regval);
-
-       return ret;
-}
-
-static int disable(struct ab8500_ext_regulator_info *info, u8 *regval)
-{
-       int ret;
-
-       *regval = 0x0;
-
        /*
         * Set the regulator in HW request mode if configured
         */
        if (info->cfg && info->cfg->hwreq)
-               *regval = info->update_val_hw;
+               regval = info->update_val_hw;
+       else
+               regval = 0;
 
        ret = abx500_mask_and_set_register_interruptible(info->dev,
                info->update_bank, info->update_reg,
-               info->update_mask, *regval);
+               info->update_mask, regval);
        if (ret < 0) {
                dev_err(rdev_get_dev(info->rdev),
                        "couldn't set disable bits for regulator\n");
                return ret;
        }
 
-       return ret;
-}
-
-static int ab8500_ext_regulator_disable(struct regulator_dev *rdev)
-{
-       int ret;
-       struct ab8500_ext_regulator_info *info = rdev_get_drvdata(rdev);
-       u8 regval;
-
-       if (info == NULL) {
-               dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
-               return -EINVAL;
-       }
-
-       ret = disable(info, &regval);
-
        dev_dbg(rdev_get_dev(rdev), "%s-disable (bank, reg, mask, value):"
                " 0x%02x, 0x%02x, 0x%02x, 0x%02x\n",
                info->desc.name, info->update_bank, info->update_reg,
                info->update_mask, regval);
 
-       return ret;
+       return 0;
 }
 
 static int ab8500_ext_regulator_is_enabled(struct regulator_dev *rdev)