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Commit 562dc973 authored by Axel Lin's avatar Axel Lin Committed by Guenter Roeck
Browse files

hwmon: (fam15h_power) Convert to devm_hwmon_device_register_with_groups 



Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
simplify the code a bit.

Signed-off-by: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent b3aabd6d

drivers/hwmon/fam15h_power.c

+9 −42
Original line number Diff line number Diff line
@@ -45,7 +45,7 @@ MODULE_LICENSE("GPL"); 
#define REG_TDP_LIMIT3			0xe8



struct fam15h_power_data {

	struct device *hwmon_dev;

	struct pci_dev *pdev;

	unsigned int tdp_to_watts;

	unsigned int base_tdp;

	unsigned int processor_pwr_watts;
@@ -57,8 +57,8 @@ static ssize_t show_power(struct device *dev, 
	u32 val, tdp_limit, running_avg_range;

	s32 running_avg_capture;

	u64 curr_pwr_watts;

	struct pci_dev *f4 = to_pci_dev(dev);

	struct fam15h_power_data *data = dev_get_drvdata(dev);

	struct pci_dev *f4 = data->pdev;



	pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),

				  REG_TDP_RUNNING_AVERAGE, &val);
@@ -96,23 +96,13 @@ static ssize_t show_power_crit(struct device *dev, 
}

static DEVICE_ATTR(power1_crit, S_IRUGO, show_power_crit, NULL);



static ssize_t show_name(struct device *dev,

			 struct device_attribute *attr, char *buf)

{

	return sprintf(buf, "fam15h_power\n");

}

static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);



static struct attribute *fam15h_power_attrs[] = {

	&dev_attr_power1_input.attr,

	&dev_attr_power1_crit.attr,

	&dev_attr_name.attr,

	NULL

};



static const struct attribute_group fam15h_power_attr_group = {

	.attrs	= fam15h_power_attrs,

};

ATTRIBUTE_GROUPS(fam15h_power);



static bool fam15h_power_is_internal_node0(struct pci_dev *f4)

{
@@ -202,7 +192,7 @@ static int fam15h_power_probe(struct pci_dev *pdev, 
{

	struct fam15h_power_data *data;

	struct device *dev = &pdev->dev;

	int err;

	struct device *hwmon_dev;



	/*

	 * though we ignore every other northbridge, we still have to
@@ -219,34 +209,12 @@ static int fam15h_power_probe(struct pci_dev *pdev, 
		return -ENOMEM;



	fam15h_power_init_data(pdev, data);

	data->pdev = pdev;



	dev_set_drvdata(dev, data);

	err = sysfs_create_group(&dev->kobj, &fam15h_power_attr_group);

	if (err)

		return err;



	data->hwmon_dev = hwmon_device_register(dev);

	if (IS_ERR(data->hwmon_dev)) {

		err = PTR_ERR(data->hwmon_dev);

		goto exit_remove_group;

	}



	return 0;



exit_remove_group:

	sysfs_remove_group(&dev->kobj, &fam15h_power_attr_group);

	return err;

}



static void fam15h_power_remove(struct pci_dev *pdev)

{

	struct device *dev;

	struct fam15h_power_data *data;



	dev = &pdev->dev;

	data = dev_get_drvdata(dev);

	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&dev->kobj, &fam15h_power_attr_group);

	hwmon_dev = devm_hwmon_device_register_with_groups(dev, "fam15h_power",

							   data,

							   fam15h_power_groups);

	return PTR_ERR_OR_ZERO(hwmon_dev);

}



static const struct pci_device_id fam15h_power_id_table[] = {
@@ -260,7 +228,6 @@ static struct pci_driver fam15h_power_driver = { 
	.name = "fam15h_power",

	.id_table = fam15h_power_id_table,

	.probe = fam15h_power_probe,

	.remove = fam15h_power_remove,

	.resume = fam15h_power_resume,

};