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Date: Tue, 17 Apr 2012 11:34:32 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: David Dajun Chen <dchen@...semi.com>,
Ashish Jangam <ashish.jangam@...tcummins.com>,
"Ying-Chun Liu (PaulLiu)" <paul.liu@...aro.org>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>,
Liam Girdwood <lrg@...com>
Subject: [PATCH RFT 2/2] regulator: da9052: Use generic regmap
enable/disable operations
Signed-off-by: Axel Lin <axel.lin@...il.com>
---
drivers/regulator/da9052-regulator.c | 56 +++++++---------------------------
1 files changed, 11 insertions(+), 45 deletions(-)
diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index eaa91cc5..4f2e6f9 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -71,7 +71,6 @@ struct da9052_regulator_info {
int min_uV;
int max_uV;
unsigned char volt_shift;
- unsigned char en_bit;
unsigned char activate_bit;
};
@@ -90,42 +89,6 @@ static int verify_range(struct da9052_regulator_info *info,
return 0;
}
-static int da9052_regulator_enable(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- 1 << info->en_bit, 1 << info->en_bit);
-}
-
-static int da9052_regulator_disable(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
-
- return da9052_reg_update(regulator->da9052,
- DA9052_BUCKCORE_REG + offset,
- 1 << info->en_bit, 0);
-}
-
-static int da9052_regulator_is_enabled(struct regulator_dev *rdev)
-{
- struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
- struct da9052_regulator_info *info = regulator->info;
- int offset = rdev_get_id(rdev);
- int ret;
-
- ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
- if (ret < 0)
- return ret;
-
- return ret & (1 << info->en_bit);
-}
-
static int da9052_dcdc_get_current_limit(struct regulator_dev *rdev)
{
struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
@@ -292,9 +255,9 @@ static struct regulator_ops da9052_dcdc_ops = {
.list_voltage = da9052_list_voltage,
.get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
static struct regulator_ops da9052_ldo_ops = {
@@ -302,9 +265,9 @@ static struct regulator_ops da9052_ldo_ops = {
.list_voltage = da9052_list_voltage,
.get_voltage_sel = da9052_get_regulator_voltage_sel,
- .is_enabled = da9052_regulator_is_enabled,
- .enable = da9052_regulator_enable,
- .disable = da9052_regulator_disable,
+ .is_enabled = regulator_is_enabled_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
};
#define DA9052_LDO(_id, step, min, max, sbits, ebits, abits) \
@@ -316,12 +279,13 @@ static struct regulator_ops da9052_ldo_ops = {
.id = DA9052_ID_##_id,\
.n_voltages = (max - min) / step + 1, \
.owner = THIS_MODULE,\
+ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .enable_mask = 1 << (ebits),\
},\
.min_uV = (min) * 1000,\
.max_uV = (max) * 1000,\
.step_uV = (step) * 1000,\
.volt_shift = (sbits),\
- .en_bit = (ebits),\
.activate_bit = (abits),\
}
@@ -334,12 +298,13 @@ static struct regulator_ops da9052_ldo_ops = {
.id = DA9052_ID_##_id,\
.n_voltages = (max - min) / step + 1, \
.owner = THIS_MODULE,\
+ .enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+ .enable_mask = 1 << (ebits),\
},\
.min_uV = (min) * 1000,\
.max_uV = (max) * 1000,\
.step_uV = (step) * 1000,\
.volt_shift = (sbits),\
- .en_bit = (ebits),\
.activate_bit = (abits),\
}
@@ -430,6 +395,7 @@ static int __devinit da9052_regulator_probe(struct platform_device *pdev)
config.dev = &pdev->dev;
config.driver_data = regulator;
+ config.regmap = da9052->regmap;
if (pdata && pdata->regulators) {
config.init_data = pdata->regulators[pdev->id];
} else {
--
1.7.5.4
--
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