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hwmon: (w83627hf) Convert to use devm_ functions

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Convert to use devm_ functions to reduce code size and simplify the code.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Guenter Roeck 2012-06-02 11:47:59 -07:00
parent 84269edce7
commit 0cf4699721
1 changed files with 16 additions and 30 deletions
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46
drivers/hwmon/w83627hf.c
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@ -1359,19 +1359,17 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
};
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!request_region(res->start, WINB_REGION_SIZE, DRVNAME)) {
if (!devm_request_region(dev, res->start, WINB_REGION_SIZE, DRVNAME)) {
dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",
(unsigned long)res->start,
(unsigned long)(res->start + WINB_REGION_SIZE - 1));
err = -EBUSY;
goto ERROR0;
return -EBUSY;
}
data = kzalloc(sizeof(struct w83627hf_data), GFP_KERNEL);
if (!data) {
err = -ENOMEM;
goto ERROR1;
}
data = devm_kzalloc(dev, sizeof(struct w83627hf_data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->addr = res->start;
data->type = sio_data->type;
data->name = names[sio_data->type];
@ -1391,7 +1389,7 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
/* Register common device attributes */
err = sysfs_create_group(&dev->kobj, &w83627hf_group);
if (err)
goto ERROR3;
return err;
/* Register chip-specific device attributes */
if (data->type == w83627hf || data->type == w83697hf)
@ -1419,7 +1417,7 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
&sensor_dev_attr_pwm1_freq.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm2_freq.dev_attr)))
goto ERROR4;
goto error;
if (data->type != w83697hf)
if ((err = device_create_file(dev,
@ -1454,7 +1452,7 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
&sensor_dev_attr_temp3_beep.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_temp3_type.dev_attr)))
goto ERROR4;
goto error;
if (data->type != w83697hf && data->vid != 0xff) {
/* Convert VID to voltage based on VRM */
@ -1462,14 +1460,14 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
if ((err = device_create_file(dev, &dev_attr_cpu0_vid))
|| (err = device_create_file(dev, &dev_attr_vrm)))
goto ERROR4;
goto error;
}
if (data->type == w83627thf || data->type == w83637hf
|| data->type == w83687thf) {
err = device_create_file(dev, &sensor_dev_attr_pwm3.dev_attr);
if (err)
goto ERROR4;
goto error;
}
if (data->type == w83637hf || data->type == w83687thf)
@ -1479,57 +1477,45 @@ static int __devinit w83627hf_probe(struct platform_device *pdev)
&sensor_dev_attr_pwm2_freq.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm3_freq.dev_attr)))
goto ERROR4;
goto error;
if (data->type != w83627hf)
if ((err = device_create_file(dev,
&sensor_dev_attr_pwm1_enable.dev_attr))
|| (err = device_create_file(dev,
&sensor_dev_attr_pwm2_enable.dev_attr)))
goto ERROR4;
goto error;
if (data->type == w83627thf || data->type == w83637hf
|| data->type == w83687thf) {
err = device_create_file(dev,
&sensor_dev_attr_pwm3_enable.dev_attr);
if (err)
goto ERROR4;
goto error;
}
data->hwmon_dev = hwmon_device_register(dev);
if (IS_ERR(data->hwmon_dev)) {
err = PTR_ERR(data->hwmon_dev);
goto ERROR4;
goto error;
}
return 0;
ERROR4:
error:
sysfs_remove_group(&dev->kobj, &w83627hf_group);
sysfs_remove_group(&dev->kobj, &w83627hf_group_opt);
ERROR3:
platform_set_drvdata(pdev, NULL);
kfree(data);
ERROR1:
release_region(res->start, WINB_REGION_SIZE);
ERROR0:
return err;
}
static int __devexit w83627hf_remove(struct platform_device *pdev)
{
struct w83627hf_data *data = platform_get_drvdata(pdev);
struct resource *res;
hwmon_device_unregister(data->hwmon_dev);
sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group);
sysfs_remove_group(&pdev->dev.kobj, &w83627hf_group_opt);
platform_set_drvdata(pdev, NULL);
kfree(data);
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
release_region(res->start, WINB_REGION_SIZE);
return 0;
}