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regulator: fixed: update to devm_* API

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Update the code to use devm_* API so that driver core will manage
resources.

Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Manish Badarkhe 2014-01-29 20:27:28 +05:30 committed by Mark Brown
parent e31108cad3
commit 84d0ffbe28
1 changed files with 12 additions and 30 deletions
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42
drivers/regulator/fixed.c
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@ -132,15 +132,15 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
GFP_KERNEL);
if (drvdata == NULL) {
dev_err(&pdev->dev, "Failed to allocate device data\n");
ret = -ENOMEM;
goto err;
return -ENOMEM;
}
drvdata->desc.name = kstrdup(config->supply_name, GFP_KERNEL);
drvdata->desc.name = devm_kstrdup(&pdev->dev,
config->supply_name,
GFP_KERNEL);
if (drvdata->desc.name == NULL) {
dev_err(&pdev->dev, "Failed to allocate supply name\n");
ret = -ENOMEM;
goto err;
return -ENOMEM;
}
drvdata->desc.type = REGULATOR_VOLTAGE;
drvdata->desc.owner = THIS_MODULE;
@ -149,13 +149,13 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
drvdata->desc.enable_time = config->startup_delay;
if (config->input_supply) {
drvdata->desc.supply_name = kstrdup(config->input_supply,
GFP_KERNEL);
drvdata->desc.supply_name = devm_kstrdup(&pdev->dev,
config->input_supply,
GFP_KERNEL);
if (!drvdata->desc.supply_name) {
dev_err(&pdev->dev,
"Failed to allocate input supply\n");
ret = -ENOMEM;
goto err_name;
return -ENOMEM;
}
}
@ -186,11 +186,12 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
cfg.driver_data = drvdata;
cfg.of_node = pdev->dev.of_node;
drvdata->dev = regulator_register(&drvdata->desc, &cfg);
drvdata->dev = devm_regulator_register(&pdev->dev, &drvdata->desc,
&cfg);
if (IS_ERR(drvdata->dev)) {
ret = PTR_ERR(drvdata->dev);
dev_err(&pdev->dev, "Failed to register regulator: %d\n", ret);
goto err_input;
return ret;
}
platform_set_drvdata(pdev, drvdata);
@ -199,24 +200,6 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev)
drvdata->desc.fixed_uV);
return 0;
err_input:
kfree(drvdata->desc.supply_name);
err_name:
kfree(drvdata->desc.name);
err:
return ret;
}
static int reg_fixed_voltage_remove(struct platform_device *pdev)
{
struct fixed_voltage_data *drvdata = platform_get_drvdata(pdev);
regulator_unregister(drvdata->dev);
kfree(drvdata->desc.supply_name);
kfree(drvdata->desc.name);
return 0;
}
#if defined(CONFIG_OF)
@ -229,7 +212,6 @@ MODULE_DEVICE_TABLE(of, fixed_of_match);
static struct platform_driver regulator_fixed_voltage_driver = {
.probe = reg_fixed_voltage_probe,
.remove = reg_fixed_voltage_remove,
.driver = {
.name = "reg-fixed-voltage",
.owner = THIS_MODULE,