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Commit e43d5fef authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (smsc47b397) Convert to use devm_ functions 



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

Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
parent a0d44cbc

drivers/hwmon/smsc47b397.c

+6 −16
Original line number Diff line number Diff line
@@ -231,13 +231,9 @@ static const struct attribute_group smsc47b397_group = { 
static int __devexit smsc47b397_remove(struct platform_device *pdev)

{

	struct smsc47b397_data *data = platform_get_drvdata(pdev);

	struct resource *res;



	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&pdev->dev.kobj, &smsc47b397_group);

	res = platform_get_resource(pdev, IORESOURCE_IO, 0);

	release_region(res->start, SMSC_EXTENT);

	kfree(data);



	return 0;

}
@@ -261,7 +257,7 @@ static int __devinit smsc47b397_probe(struct platform_device *pdev) 
	int err = 0;



	res = platform_get_resource(pdev, IORESOURCE_IO, 0);

	if (!request_region(res->start, SMSC_EXTENT,

	if (!devm_request_region(dev, res->start, SMSC_EXTENT,

				 smsc47b397_driver.driver.name)) {

		dev_err(dev, "Region 0x%lx-0x%lx already in use!\n",

			(unsigned long)res->start,
@@ -269,11 +265,9 @@ static int __devinit smsc47b397_probe(struct platform_device *pdev) 
		return -EBUSY;

	}



	data = kzalloc(sizeof(struct smsc47b397_data), GFP_KERNEL);

	if (!data) {

		err = -ENOMEM;

		goto error_release;

	}

	data = devm_kzalloc(dev, sizeof(struct smsc47b397_data), GFP_KERNEL);

	if (!data)

		return -ENOMEM;



	data->addr = res->start;

	data->name = "smsc47b397";
@@ -283,7 +277,7 @@ static int __devinit smsc47b397_probe(struct platform_device *pdev) 


	err = sysfs_create_group(&dev->kobj, &smsc47b397_group);

	if (err)

		goto error_free;

		return err;



	data->hwmon_dev = hwmon_device_register(dev);

	if (IS_ERR(data->hwmon_dev)) {
@@ -295,10 +289,6 @@ static int __devinit smsc47b397_probe(struct platform_device *pdev) 


error_remove:

	sysfs_remove_group(&dev->kobj, &smsc47b397_group);

error_free:

	kfree(data);

error_release:

	release_region(res->start, SMSC_EXTENT);

	return err;

}