regulator: Add missing n_voltages setting for 88pm8607

Then we can remove the vol_nbits field from struct pm8607_regulator_info.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Jett Zhou <jtzhou@marvell.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 981b47ae7d3c2c162ea54e050ef0d95694ac738d..81b6659091711bb1ec0ad55fda8c5d355dea3394 100644 (file)
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -29,7 +29,6 @@ struct pm8607_regulator_info {
 
        int     vol_reg;
        int     vol_shift;
-       int     vol_nbits;
        int     update_reg;
        int     update_bit;
        int     enable_reg;
@@ -216,7 +215,7 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
        struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
        int ret = -EINVAL;
 
-       if (info->vol_table && (index < (1 << info->vol_nbits))) {
+       if (info->vol_table && (index < rdev->desc->n_voltages)) {
                ret = info->vol_table[index];
                if (info->slope_double)
                        ret <<= 1;
@@ -234,7 +233,7 @@ static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
                max_uV = max_uV >> 1;
        }
        if (info->vol_table) {
-               for (i = 0; i < (1 << info->vol_nbits); i++) {
+               for (i = 0; i < rdev->desc->n_voltages; i++) {
                        if (!info->vol_table[i])
                                break;
                        if ((min_uV <= info->vol_table[i])
@@ -266,7 +265,7 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
                return -EINVAL;
        *selector = ret;
        val = (uint8_t)(ret << info->vol_shift);
-       mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
+       mask = (rdev->desc->n_voltages - 1)  << info->vol_shift;
 
        ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
        if (ret)
@@ -292,7 +291,7 @@ static int pm8607_get_voltage(struct regulator_dev *rdev)
        if (ret < 0)
                return ret;
 
-       mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
+       mask = (rdev->desc->n_voltages - 1)  << info->vol_shift;
        val = ((unsigned char)ret & mask) >> info->vol_shift;
 
        return pm8607_list_voltage(rdev, val);
@@ -336,7 +335,7 @@ static struct regulator_ops pm8607_regulator_ops = {
        .is_enabled     = pm8607_is_enabled,
 };
 
-#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit)                        \
+#define PM8607_DVC(vreg, ureg, ubit, ereg, ebit)                       \
 {                                                                      \
        .desc   = {                                                     \
                .name   = #vreg,                                        \
@@ -344,10 +343,10 @@ static struct regulator_ops pm8607_regulator_ops = {
                .type   = REGULATOR_VOLTAGE,                            \
                .id     = PM8607_ID_##vreg,                             \
                .owner  = THIS_MODULE,                                  \
+               .n_voltages = ARRAY_SIZE(vreg##_table),                 \
        },                                                              \
        .vol_reg        = PM8607_##vreg,                                \
        .vol_shift      = (0),                                          \
-       .vol_nbits      = (nbits),                                      \
        .update_reg     = PM8607_##ureg,                                \
        .update_bit     = (ubit),                                       \
        .enable_reg     = PM8607_##ereg,                                \
@@ -357,7 +356,7 @@ static struct regulator_ops pm8607_regulator_ops = {
        .vol_suspend    = (unsigned int *)&vreg##_suspend_table,        \
 }
 
-#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit)                        \
+#define PM8607_LDO(_id, vreg, shift, ereg, ebit)                       \
 {                                                                      \
        .desc   = {                                                     \
                .name   = "LDO" #_id,                                   \
@@ -365,10 +364,10 @@ static struct regulator_ops pm8607_regulator_ops = {
                .type   = REGULATOR_VOLTAGE,                            \
                .id     = PM8607_ID_LDO##_id,                           \
                .owner  = THIS_MODULE,                                  \
+               .n_voltages = ARRAY_SIZE(LDO##_id##_table),             \
        },                                                              \
        .vol_reg        = PM8607_##vreg,                                \
        .vol_shift      = (shift),                                      \
-       .vol_nbits      = (nbits),                                      \
        .enable_reg     = PM8607_##ereg,                                \
        .enable_bit     = (ebit),                                       \
        .slope_double   = (0),                                          \
@@ -377,23 +376,23 @@ static struct regulator_ops pm8607_regulator_ops = {
 }
 
 static struct pm8607_regulator_info pm8607_regulator_info[] = {
-       PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0),
-       PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1),
-       PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2),
-
-       PM8607_LDO( 1,         LDO1, 0, 2, SUPPLIES_EN11, 3),
-       PM8607_LDO( 2,         LDO2, 0, 3, SUPPLIES_EN11, 4),
-       PM8607_LDO( 3,         LDO3, 0, 3, SUPPLIES_EN11, 5),
-       PM8607_LDO( 4,         LDO4, 0, 3, SUPPLIES_EN11, 6),
-       PM8607_LDO( 5,         LDO5, 0, 2, SUPPLIES_EN11, 7),
-       PM8607_LDO( 6,         LDO6, 0, 3, SUPPLIES_EN12, 0),
-       PM8607_LDO( 7,         LDO7, 0, 3, SUPPLIES_EN12, 1),
-       PM8607_LDO( 8,         LDO8, 0, 3, SUPPLIES_EN12, 2),
-       PM8607_LDO( 9,         LDO9, 0, 3, SUPPLIES_EN12, 3),
-       PM8607_LDO(10,        LDO10, 0, 4, SUPPLIES_EN12, 4),
-       PM8607_LDO(12,        LDO12, 0, 4, SUPPLIES_EN12, 5),
-       PM8607_LDO(13, VIBRATOR_SET, 1, 3,  VIBRATOR_SET, 0),
-       PM8607_LDO(14,        LDO14, 0, 3, SUPPLIES_EN12, 6),
+       PM8607_DVC(BUCK1, GO, 0, SUPPLIES_EN11, 0),
+       PM8607_DVC(BUCK2, GO, 1, SUPPLIES_EN11, 1),
+       PM8607_DVC(BUCK3, GO, 2, SUPPLIES_EN11, 2),
+
+       PM8607_LDO(1,         LDO1, 0, SUPPLIES_EN11, 3),
+       PM8607_LDO(2,         LDO2, 0, SUPPLIES_EN11, 4),
+       PM8607_LDO(3,         LDO3, 0, SUPPLIES_EN11, 5),
+       PM8607_LDO(4,         LDO4, 0, SUPPLIES_EN11, 6),
+       PM8607_LDO(5,         LDO5, 0, SUPPLIES_EN11, 7),
+       PM8607_LDO(6,         LDO6, 0, SUPPLIES_EN12, 0),
+       PM8607_LDO(7,         LDO7, 0, SUPPLIES_EN12, 1),
+       PM8607_LDO(8,         LDO8, 0, SUPPLIES_EN12, 2),
+       PM8607_LDO(9,         LDO9, 0, SUPPLIES_EN12, 3),
+       PM8607_LDO(10,        LDO10, 0, SUPPLIES_EN12, 4),
+       PM8607_LDO(12,        LDO12, 0, SUPPLIES_EN12, 5),
+       PM8607_LDO(13, VIBRATOR_SET, 1, VIBRATOR_SET, 0),
+       PM8607_LDO(14,        LDO14, 0, SUPPLIES_EN12, 6),
 };
 
 static int __devinit pm8607_regulator_probe(struct platform_device *pdev)