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path: root/drivers/regulator/tps6524x-regulator.c
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Diffstat (limited to 'drivers/regulator/tps6524x-regulator.c')
-rw-r--r--drivers/regulator/tps6524x-regulator.c47
1 files changed, 14 insertions, 33 deletions
diff --git a/drivers/regulator/tps6524x-regulator.c b/drivers/regulator/tps6524x-regulator.c
index 4a421be6d4f2..b88b3df82381 100644
--- a/drivers/regulator/tps6524x-regulator.c
+++ b/drivers/regulator/tps6524x-regulator.c
@@ -458,12 +458,10 @@ static int list_voltage(struct regulator_dev *rdev, unsigned selector)
info->voltages[selector] : -EINVAL);
}
-static int set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
- unsigned *selector)
+static int set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
{
const struct supply_info *info;
struct tps6524x *hw;
- unsigned i;
hw = rdev_get_drvdata(rdev);
info = &supply_info[rdev_get_id(rdev)];
@@ -471,20 +469,10 @@ static int set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
if (info->flags & FIXED_VOLTAGE)
return -EINVAL;
- for (i = 0; i < info->n_voltages; i++)
- if (min_uV <= info->voltages[i] &&
- max_uV >= info->voltages[i])
- break;
-
- if (i >= info->n_voltages)
- i = info->n_voltages - 1;
-
- *selector = i;
-
- return write_field(hw, &info->voltage, i);
+ return write_field(hw, &info->voltage, selector);
}
-static int get_voltage(struct regulator_dev *rdev)
+static int get_voltage_sel(struct regulator_dev *rdev)
{
const struct supply_info *info;
struct tps6524x *hw;
@@ -502,7 +490,7 @@ static int get_voltage(struct regulator_dev *rdev)
if (WARN_ON(ret >= info->n_voltages))
return -EIO;
- return info->voltages[ret];
+ return ret;
}
static int set_current_limit(struct regulator_dev *rdev, int min_uA,
@@ -587,8 +575,8 @@ static struct regulator_ops regulator_ops = {
.is_enabled = is_supply_enabled,
.enable = enable_supply,
.disable = disable_supply,
- .get_voltage = get_voltage,
- .set_voltage = set_voltage,
+ .get_voltage_sel = get_voltage_sel,
+ .set_voltage_sel = set_voltage_sel,
.list_voltage = list_voltage,
.set_current_limit = set_current_limit,
.get_current_limit = get_current_limit,
@@ -607,7 +595,6 @@ static int pmic_remove(struct spi_device *spi)
hw->rdev[i] = NULL;
}
spi_set_drvdata(spi, NULL);
- kfree(hw);
return 0;
}
@@ -617,6 +604,7 @@ static int __devinit pmic_probe(struct spi_device *spi)
struct device *dev = &spi->dev;
const struct supply_info *info = supply_info;
struct regulator_init_data *init_data;
+ struct regulator_config config = { };
int ret = 0, i;
init_data = dev->platform_data;
@@ -625,7 +613,7 @@ static int __devinit pmic_probe(struct spi_device *spi)
return -EINVAL;
}
- hw = kzalloc(sizeof(struct tps6524x), GFP_KERNEL);
+ hw = devm_kzalloc(&spi->dev, sizeof(struct tps6524x), GFP_KERNEL);
if (!hw) {
dev_err(dev, "cannot allocate regulator private data\n");
return -ENOMEM;
@@ -648,8 +636,11 @@ static int __devinit pmic_probe(struct spi_device *spi)
if (info->flags & FIXED_VOLTAGE)
hw->desc[i].n_voltages = 1;
- hw->rdev[i] = regulator_register(&hw->desc[i], dev,
- init_data, hw, NULL);
+ config.dev = dev;
+ config.init_data = init_data;
+ config.driver_data = hw;
+
+ hw->rdev[i] = regulator_register(&hw->desc[i], &config);
if (IS_ERR(hw->rdev[i])) {
ret = PTR_ERR(hw->rdev[i]);
hw->rdev[i] = NULL;
@@ -673,17 +664,7 @@ static struct spi_driver pmic_driver = {
},
};
-static int __init pmic_driver_init(void)
-{
- return spi_register_driver(&pmic_driver);
-}
-module_init(pmic_driver_init);
-
-static void __exit pmic_driver_exit(void)
-{
- spi_unregister_driver(&pmic_driver);
-}
-module_exit(pmic_driver_exit);
+module_spi_driver(pmic_driver);
MODULE_DESCRIPTION("TPS6524X PMIC Driver");
MODULE_AUTHOR("Cyril Chemparathy");