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Commit 62a1d05f authored by Guenter Roeck's avatar Guenter Roeck Committed by Guenter Roeck
Browse files

hwmon: (it87) Convert to use devm_kzalloc and devm_request_region 



This makes the code a bit simpler and smaller.

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
parent f7c2fe38

drivers/hwmon/it87.c

+20 −34
Original line number Diff line number Diff line
@@ -1965,19 +1965,17 @@ static int __devinit it87_probe(struct platform_device *pdev) 
	};



	res = platform_get_resource(pdev, IORESOURCE_IO, 0);

	if (!request_region(res->start, IT87_EC_EXTENT, DRVNAME)) {

	if (!devm_request_region(&pdev->dev, res->start, IT87_EC_EXTENT,

				 DRVNAME)) {

		dev_err(dev, "Failed to request region 0x%lx-0x%lx\n",

			(unsigned long)res->start,

			(unsigned long)(res->start + IT87_EC_EXTENT - 1));

		err = -EBUSY;

		goto ERROR0;

		return -EBUSY;

	}



	data = kzalloc(sizeof(struct it87_data), GFP_KERNEL);

	if (!data) {

		err = -ENOMEM;

		goto ERROR1;

	}

	data = devm_kzalloc(&pdev->dev, sizeof(struct it87_data), GFP_KERNEL);

	if (!data)

		return -ENOMEM;



	data->addr = res->start;

	data->type = sio_data->type;
@@ -1986,10 +1984,8 @@ static int __devinit it87_probe(struct platform_device *pdev) 


	/* Now, we do the remaining detection. */

	if ((it87_read_value(data, IT87_REG_CONFIG) & 0x80)

	 || it87_read_value(data, IT87_REG_CHIPID) != 0x90) {

		err = -ENODEV;

		goto ERROR2;

	}

	 || it87_read_value(data, IT87_REG_CHIPID) != 0x90)

		return -ENODEV;



	platform_set_drvdata(pdev, data);
@@ -2019,26 +2015,26 @@ static int __devinit it87_probe(struct platform_device *pdev) 
	/* Register sysfs hooks */

	err = sysfs_create_group(&dev->kobj, &it87_group);

	if (err)

		goto ERROR2;

		return err;



	for (i = 0; i < 9; i++) {

		if (sio_data->skip_in & (1 << i))

			continue;

		err = sysfs_create_group(&dev->kobj, &it87_group_in[i]);

		if (err)

			goto ERROR4;

			goto error;

		if (sio_data->beep_pin && it87_attributes_in_beep[i]) {

			err = sysfs_create_file(&dev->kobj,

						it87_attributes_in_beep[i]);

			if (err)

				goto ERROR4;

				goto error;

		}

	}



	if (sio_data->beep_pin) {

		err = sysfs_create_group(&dev->kobj, &it87_group_beep);

		if (err)

			goto ERROR4;

			goto error;

	}



	/* Do not create fan files for disabled fans */
@@ -2049,13 +2045,13 @@ static int __devinit it87_probe(struct platform_device *pdev) 
			continue;

		err = sysfs_create_group(&dev->kobj, &fan_group[i]);

		if (err)

			goto ERROR4;

			goto error;



		if (sio_data->beep_pin) {

			err = sysfs_create_file(&dev->kobj,

						it87_attributes_fan_beep[i]);

			if (err)

				goto ERROR4;

				goto error;

			if (!fan_beep_need_rw)

				continue;
@@ -2080,14 +2076,14 @@ static int __devinit it87_probe(struct platform_device *pdev) 
			err = sysfs_create_group(&dev->kobj,

						 &it87_group_pwm[i]);

			if (err)

				goto ERROR4;

				goto error;



			if (!has_old_autopwm(data))

				continue;

			err = sysfs_create_group(&dev->kobj,

						 &it87_group_autopwm[i]);

			if (err)

				goto ERROR4;

				goto error;

		}

	}
@@ -2097,7 +2093,7 @@ static int __devinit it87_probe(struct platform_device *pdev) 
		data->vid = sio_data->vid_value;

		err = sysfs_create_group(&dev->kobj, &it87_group_vid);

		if (err)

			goto ERROR4;

			goto error;

	}



	/* Export labels for internal sensors */
@@ -2107,25 +2103,19 @@ static int __devinit it87_probe(struct platform_device *pdev) 
		err = sysfs_create_file(&dev->kobj,

					it87_attributes_label[i]);

		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:

	it87_remove_files(dev);

ERROR2:

	platform_set_drvdata(pdev, NULL);

	kfree(data);

ERROR1:

	release_region(res->start, IT87_EC_EXTENT);

ERROR0:

	return err;

}
@@ -2136,10 +2126,6 @@ static int __devexit it87_remove(struct platform_device *pdev) 
	hwmon_device_unregister(data->hwmon_dev);

	it87_remove_files(&pdev->dev);



	release_region(data->addr, IT87_EC_EXTENT);

	platform_set_drvdata(pdev, NULL);

	kfree(data);



	return 0;

}