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regulator: max77686: Use array to save pointer to rdev

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MAX77686_REGULATORS is known in compile time.
Use array to save pointer to rdev makes the code simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2012-08-05 10:11:16 +08:00 committed by Mark Brown
parent 2c58e2669f
commit cb44cdeacd
1 changed files with 9 additions and 19 deletions
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26
drivers/regulator/max77686.c
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@ -66,7 +66,7 @@ enum max77686_ramp_rate {
};
struct max77686_data {
struct regulator_dev **rdev;
struct regulator_dev *rdev[MAX77686_REGULATORS];
};
static int max77686_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
@ -284,10 +284,8 @@ static __devinit int max77686_pmic_probe(struct platform_device *pdev)
{
struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent);
struct max77686_platform_data *pdata = dev_get_platdata(iodev->dev);
struct regulator_dev **rdev;
struct max77686_data *max77686;
int i, size;
int ret = 0;
int i, ret = 0;
struct regulator_config config = { };
dev_dbg(&pdev->dev, "%s\n", __func__);
@ -314,12 +312,6 @@ static __devinit int max77686_pmic_probe(struct platform_device *pdev)
if (!max77686)
return -ENOMEM;
size = sizeof(struct regulator_dev *) * MAX77686_REGULATORS;
max77686->rdev = devm_kzalloc(&pdev->dev, size, GFP_KERNEL);
if (!max77686->rdev)
return -ENOMEM;
rdev = max77686->rdev;
config.dev = &pdev->dev;
config.regmap = iodev->regmap;
platform_set_drvdata(pdev, max77686);
@ -328,12 +320,12 @@ static __devinit int max77686_pmic_probe(struct platform_device *pdev)
config.init_data = pdata->regulators[i].initdata;
config.of_node = pdata->regulators[i].of_node;
rdev[i] = regulator_register(&regulators[i], &config);
if (IS_ERR(rdev[i])) {
ret = PTR_ERR(rdev[i]);
max77686->rdev[i] = regulator_register(&regulators[i], &config);
if (IS_ERR(max77686->rdev[i])) {
ret = PTR_ERR(max77686->rdev[i]);
dev_err(&pdev->dev,
"regulator init failed for %d\n", i);
rdev[i] = NULL;
max77686->rdev[i] = NULL;
goto err;
}
}
@ -341,19 +333,17 @@ static __devinit int max77686_pmic_probe(struct platform_device *pdev)
return 0;
err:
while (--i >= 0)
regulator_unregister(rdev[i]);
regulator_unregister(max77686->rdev[i]);
return ret;
}
static int __devexit max77686_pmic_remove(struct platform_device *pdev)
{
struct max77686_data *max77686 = platform_get_drvdata(pdev);
struct regulator_dev **rdev = max77686->rdev;
int i;
for (i = 0; i < MAX77686_REGULATORS; i++)
if (rdev[i])
regulator_unregister(rdev[i]);
regulator_unregister(max77686->rdev[i]);
return 0;
}