regulator: ab8500: Use regulator_list_voltage_table()

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index e1b8c54ace5a2a68e0d4f3ee28f36ff626f06645..da883e661b3889bb0bb2177e94647277ee8fb9e4 100644 (file)
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -40,8 +40,6 @@
  * @voltage_bank: bank to control regulator voltage
  * @voltage_reg: register to control regulator voltage
  * @voltage_mask: mask to control regulator voltage
- * @voltages: supported voltage table
- * @voltages_len: number of supported voltages for the regulator
  * @delay: startup/set voltage delay in us
  */
 struct ab8500_regulator_info {
@@ -58,13 +56,11 @@ struct ab8500_regulator_info {
        u8 voltage_bank;
        u8 voltage_reg;
        u8 voltage_mask;
-       int const *voltages;
-       int voltages_len;
        unsigned int delay;
 };
 
 /* voltage tables for the vauxn/vintcore supplies */
-static const int ldo_vauxn_voltages[] = {
+static const unsigned int ldo_vauxn_voltages[] = {
        1100000,
        1200000,
        1300000,
@@ -83,7 +79,7 @@ static const int ldo_vauxn_voltages[] = {
        3300000,
 };
 
-static const int ldo_vaux3_voltages[] = {
+static const unsigned int ldo_vaux3_voltages[] = {
        1200000,
        1500000,
        1800000,
@@ -94,7 +90,7 @@ static const int ldo_vaux3_voltages[] = {
        2910000,
 };
 
-static const int ldo_vintcore_voltages[] = {
+static const unsigned int ldo_vintcore_voltages[] = {
        1200000,
        1225000,
        1250000,
@@ -185,25 +181,6 @@ static int ab8500_regulator_is_enabled(struct regulator_dev *rdev)
                return false;
 }
 
-static int ab8500_list_voltage(struct regulator_dev *rdev, unsigned selector)
-{
-       struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
-
-       if (info == NULL) {
-               dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
-               return -EINVAL;
-       }
-
-       /* return the uV for the fixed regulators */
-       if (info->fixed_uV)
-               return info->fixed_uV;
-
-       if (selector >= info->voltages_len)
-               return -EINVAL;
-
-       return info->voltages[selector];
-}
-
 static int ab8500_regulator_get_voltage_sel(struct regulator_dev *rdev)
 {
        int ret, val;
@@ -296,11 +273,24 @@ static struct regulator_ops ab8500_regulator_ops = {
        .is_enabled     = ab8500_regulator_is_enabled,
        .get_voltage_sel = ab8500_regulator_get_voltage_sel,
        .set_voltage_sel = ab8500_regulator_set_voltage_sel,
-       .list_voltage   = ab8500_list_voltage,
+       .list_voltage   = regulator_list_voltage_table,
        .enable_time    = ab8500_regulator_enable_time,
        .set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
 };
 
+static int ab8500_fixed_list_voltage(struct regulator_dev *rdev,
+                                    unsigned selector)
+{
+       struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
+
+       if (info == NULL) {
+               dev_err(rdev_get_dev(rdev), "regulator info null pointer\n");
+               return -EINVAL;
+       }
+
+       return info->fixed_uV;
+}
+
 static int ab8500_fixed_get_voltage(struct regulator_dev *rdev)
 {
        struct ab8500_regulator_info *info = rdev_get_drvdata(rdev);
@@ -318,7 +308,7 @@ static struct regulator_ops ab8500_regulator_fixed_ops = {
        .disable        = ab8500_regulator_disable,
        .is_enabled     = ab8500_regulator_is_enabled,
        .get_voltage    = ab8500_fixed_get_voltage,
-       .list_voltage   = ab8500_list_voltage,
+       .list_voltage   = ab8500_fixed_list_voltage,
        .enable_time    = ab8500_regulator_enable_time,
        .set_voltage_time_sel = ab8500_regulator_set_voltage_time_sel,
 };
@@ -329,7 +319,7 @@ static struct ab8500_regulator_info
         * Variable Voltage Regulators
         *   name, min mV, max mV,
         *   update bank, reg, mask, enable val
-        *   volt bank, reg, mask, table, table length
+        *   volt bank, reg, mask
         */
        [AB8500_LDO_AUX1] = {
                .desc = {
@@ -339,6 +329,7 @@ static struct ab8500_regulator_info
                        .id             = AB8500_LDO_AUX1,
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
+                       .volt_table     = ldo_vauxn_voltages,
                },
                .min_uV                 = 1100000,
                .max_uV                 = 3300000,
@@ -349,8 +340,6 @@ static struct ab8500_regulator_info
                .voltage_bank           = 0x04,
                .voltage_reg            = 0x1f,
                .voltage_mask           = 0x0f,
-               .voltages               = ldo_vauxn_voltages,
-               .voltages_len           = ARRAY_SIZE(ldo_vauxn_voltages),
        },
        [AB8500_LDO_AUX2] = {
                .desc = {
@@ -360,6 +349,7 @@ static struct ab8500_regulator_info
                        .id             = AB8500_LDO_AUX2,
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vauxn_voltages),
+                       .volt_table     = ldo_vauxn_voltages,
                },
                .min_uV                 = 1100000,
                .max_uV                 = 3300000,
@@ -370,8 +360,6 @@ static struct ab8500_regulator_info
                .voltage_bank           = 0x04,
                .voltage_reg            = 0x20,
                .voltage_mask           = 0x0f,
-               .voltages               = ldo_vauxn_voltages,
-               .voltages_len           = ARRAY_SIZE(ldo_vauxn_voltages),
        },
        [AB8500_LDO_AUX3] = {
                .desc = {
@@ -381,6 +369,7 @@ static struct ab8500_regulator_info
                        .id             = AB8500_LDO_AUX3,
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vaux3_voltages),
+                       .volt_table     = ldo_vaux3_voltages,
                },
                .min_uV                 = 1100000,
                .max_uV                 = 3300000,
@@ -391,8 +380,6 @@ static struct ab8500_regulator_info
                .voltage_bank           = 0x04,
                .voltage_reg            = 0x21,
                .voltage_mask           = 0x07,
-               .voltages               = ldo_vaux3_voltages,
-               .voltages_len           = ARRAY_SIZE(ldo_vaux3_voltages),
        },
        [AB8500_LDO_INTCORE] = {
                .desc = {
@@ -402,6 +389,7 @@ static struct ab8500_regulator_info
                        .id             = AB8500_LDO_INTCORE,
                        .owner          = THIS_MODULE,
                        .n_voltages     = ARRAY_SIZE(ldo_vintcore_voltages),
+                       .volt_table     = ldo_vintcore_voltages,
                },
                .min_uV                 = 1100000,
                .max_uV                 = 3300000,
@@ -412,8 +400,6 @@ static struct ab8500_regulator_info
                .voltage_bank           = 0x03,
                .voltage_reg            = 0x80,
                .voltage_mask           = 0x38,
-               .voltages               = ldo_vintcore_voltages,
-               .voltages_len           = ARRAY_SIZE(ldo_vintcore_voltages),
        },
 
        /*
@@ -769,9 +755,7 @@ static __devinit int ab8500_regulator_register(struct platform_device *pdev,
                if (info->desc.id == AB8500_LDO_AUX3) {
                        info->desc.n_voltages =
                                ARRAY_SIZE(ldo_vauxn_voltages);
-                       info->voltages = ldo_vauxn_voltages;
-                       info->voltages_len =
-                               ARRAY_SIZE(ldo_vauxn_voltages);
+                       info->desc.volt_table = ldo_vauxn_voltages;
                        info->voltage_mask = 0xf;
                }
        }