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Message-ID: <1332917963.19101.2.camel@phoenix>
Date: Wed, 28 Mar 2012 14:59:23 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@...vell.com>,
Liam Girdwood <lrg@...com>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>,
"Jett.Zhou" <jtzhou@...vell.com>
Subject: [PATCH 2/4] 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@...il.com>
---
drivers/regulator/88pm8607.c | 51 ++++++++++++++++++++---------------------
1 files changed, 25 insertions(+), 26 deletions(-)
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 981b47a..81b6659 100644
--- 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)
--
1.7.5.4
--
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