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hwmon: (mlxreg-fan) Use devm_thermal_of_cooling_device_register

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Call devm_thermal_of_cooling_device_register() to register the cooling
device. Also introduce struct device *dev = &pdev->dev; to make the code
easier to read.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Guenter Roeck 2019-04-18 12:58:18 -07:00 committed by Eduardo Valentin
parent 9534784550
commit 9ebe010e56
1 changed files with 10 additions and 21 deletions
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31
drivers/hwmon/mlxreg-fan.c
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@ -420,42 +420,42 @@ static int mlxreg_fan_config(struct mlxreg_fan *fan,
static int mlxreg_fan_probe(struct platform_device *pdev)
{
struct mlxreg_core_platform_data *pdata;
struct device *dev = &pdev->dev;
struct mlxreg_fan *fan;
struct device *hwm;
int err;
pdata = dev_get_platdata(&pdev->dev);
pdata = dev_get_platdata(dev);
if (!pdata) {
dev_err(&pdev->dev, "Failed to get platform data.\n");
dev_err(dev, "Failed to get platform data.\n");
return -EINVAL;
}
fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);
fan = devm_kzalloc(dev, sizeof(*fan), GFP_KERNEL);
if (!fan)
return -ENOMEM;
fan->dev = &pdev->dev;
fan->dev = dev;
fan->regmap = pdata->regmap;
platform_set_drvdata(pdev, fan);
err = mlxreg_fan_config(fan, pdata);
if (err)
return err;
hwm = devm_hwmon_device_register_with_info(&pdev->dev, "mlxreg_fan",
hwm = devm_hwmon_device_register_with_info(dev, "mlxreg_fan",
fan,
&mlxreg_fan_hwmon_chip_info,
NULL);
if (IS_ERR(hwm)) {
dev_err(&pdev->dev, "Failed to register hwmon device\n");
dev_err(dev, "Failed to register hwmon device\n");
return PTR_ERR(hwm);
}
if (IS_REACHABLE(CONFIG_THERMAL)) {
fan->cdev = thermal_cooling_device_register("mlxreg_fan", fan,
&mlxreg_fan_cooling_ops);
fan->cdev = devm_thermal_of_cooling_device_register(dev,
NULL, "mlxreg_fan", fan, &mlxreg_fan_cooling_ops);
if (IS_ERR(fan->cdev)) {
dev_err(&pdev->dev, "Failed to register cooling device\n");
dev_err(dev, "Failed to register cooling device\n");
return PTR_ERR(fan->cdev);
}
}
@ -463,22 +463,11 @@ static int mlxreg_fan_probe(struct platform_device *pdev)
return 0;
}
static int mlxreg_fan_remove(struct platform_device *pdev)
{
struct mlxreg_fan *fan = platform_get_drvdata(pdev);
if (IS_REACHABLE(CONFIG_THERMAL))
thermal_cooling_device_unregister(fan->cdev);
return 0;
}
static struct platform_driver mlxreg_fan_driver = {
.driver = {
.name = "mlxreg-fan",
},
.probe = mlxreg_fan_probe,
.remove = mlxreg_fan_remove,
};
module_platform_driver(mlxreg_fan_driver);