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Commit b8d48ce9 authored by Jean Delvare's avatar Jean Delvare
Browse files

hwmon: (i5500_temp) Convert to devm_hwmon_device_register_with_groups 



Use devm_hwmon_device_register_with_groups() to simplify the code a
bit.

Signed-off-by: default avatarJean Delvare <jdelvare@suse.de>
Cc: Romain Dolbeau <romain@dolbeau.org>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent ada07281

drivers/hwmon/i5500_temp.c

+15 −58
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/init.h>

#include <linux/slab.h>

#include <linux/jiffies.h>

#include <linux/device.h>

#include <linux/pci.h>

#include <linux/hwmon.h>

#include <linux/hwmon-sysfs.h>
@@ -37,11 +38,6 @@ 
#define REG_CTCTRL	0xF7

#define REG_TSTIMER	0xF8



struct i5500_temp_data {

	struct device *hwmon_dev;

	const char *name;

};



/*

 * Sysfs stuff

 */
@@ -50,7 +46,7 @@ struct i5500_temp_data { 
static ssize_t show_temp(struct device *dev,

			 struct device_attribute *devattr, char *buf)

{

	struct pci_dev *pdev = to_pci_dev(dev);

	struct pci_dev *pdev = to_pci_dev(dev->parent);

	long temp;

	u16 tsthrhi;

	s8 tsfsc;
@@ -65,7 +61,7 @@ static ssize_t show_temp(struct device *dev, 
static ssize_t show_thresh(struct device *dev,

			   struct device_attribute *devattr, char *buf)

{

	struct pci_dev *pdev = to_pci_dev(dev);

	struct pci_dev *pdev = to_pci_dev(dev->parent);

	int reg = to_sensor_dev_attr(devattr)->index;

	long temp;

	u16 tsthr;
@@ -79,7 +75,7 @@ static ssize_t show_thresh(struct device *dev, 
static ssize_t show_alarm(struct device *dev,

			  struct device_attribute *devattr, char *buf)

{

	struct pci_dev *pdev = to_pci_dev(dev);

	struct pci_dev *pdev = to_pci_dev(dev->parent);

	int nr = to_sensor_dev_attr(devattr)->index;

	u8 ctsts;
@@ -87,21 +83,12 @@ static ssize_t show_alarm(struct device *dev, 
	return sprintf(buf, "%u\n", (unsigned int)ctsts & (1 << nr));

}



static ssize_t show_name(struct device *dev, struct device_attribute

			 *devattr, char *buf)

{

	struct i5500_temp_data *data = dev_get_drvdata(dev);



	return sprintf(buf, "%s\n", data->name);

}



static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);

static SENSOR_DEVICE_ATTR(temp1_crit, S_IRUGO, show_thresh, NULL, 0xE2);

static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_thresh, NULL, 0xEC);

static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO, show_thresh, NULL, 0xEE);

static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0);

static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1);

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



static struct attribute *i5500_temp_attributes[] = {

	&dev_attr_temp1_input.attr,
@@ -110,7 +97,6 @@ static struct attribute *i5500_temp_attributes[] = { 
	&sensor_dev_attr_temp1_max.dev_attr.attr,

	&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,

	&sensor_dev_attr_temp1_max_alarm.dev_attr.attr,

	&dev_attr_name.attr,

	NULL

};
@@ -118,6 +104,11 @@ static const struct attribute_group i5500_temp_group = { 
	.attrs = i5500_temp_attributes,

};



static const struct attribute_group *i5500_temp_groups[] = {

	&i5500_temp_group,

	NULL

};



static const struct pci_device_id i5500_temp_ids[] = {

	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x3438) },

	{ 0 },
@@ -129,58 +120,24 @@ static int i5500_temp_probe(struct pci_dev *pdev, 
			    const struct pci_device_id *id)

{

	int err;

	struct i5500_temp_data *data;



	data = kzalloc(sizeof(struct i5500_temp_data), GFP_KERNEL);

	if (!data) {

		err = -ENOMEM;

		goto exit;

	}



	data->name = "intel5500";

	dev_set_drvdata(&pdev->dev, data);

	struct device *hwmon_dev;



	err = pci_enable_device(pdev);

	if (err) {

		dev_err(&pdev->dev, "Failed to enable device\n");

		goto exit_free;

	}



	/* Register sysfs hooks */

	err = sysfs_create_group(&pdev->dev.kobj, &i5500_temp_group);

	if (err)

		goto exit_free;



	data->hwmon_dev = hwmon_device_register(&pdev->dev);

	if (IS_ERR(data->hwmon_dev)) {

		err = PTR_ERR(data->hwmon_dev);

		goto exit_remove;

	}



	return 0;



 exit_remove:

	sysfs_remove_group(&pdev->dev.kobj, &i5500_temp_group);

 exit_free:

	kfree(data);

 exit:

		return err;

	}



static void i5500_temp_remove(struct pci_dev *pdev)

{

	struct i5500_temp_data *data = dev_get_drvdata(&pdev->dev);



	hwmon_device_unregister(data->hwmon_dev);

	sysfs_remove_group(&pdev->dev.kobj, &i5500_temp_group);

	kfree(data);

	hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,

							   "intel5500", NULL,

							   i5500_temp_groups);

	return PTR_ERR_OR_ZERO(hwmon_dev);

}



static struct pci_driver i5500_temp_driver = {

	.name = "i5500_temp",

	.id_table = i5500_temp_ids,

	.probe = i5500_temp_probe,

	.remove = i5500_temp_remove,

};



static int __init i5500_temp_init(void)