Commit efd2d117 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (lm77) Improve code readability 



Rename new_client variable, and define new variable for client->dev.

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Acked-by: default avatarJean Delvare <khali@linux-fr.org>
parent 13ac7a01

drivers/hwmon/lm77.c

+29 −30
Original line number Diff line number Diff line
@@ -267,10 +267,9 @@ static const struct attribute_group lm77_group = { 
};



/* Return 0 if detection is successful, -ENODEV otherwise */

static int lm77_detect(struct i2c_client *new_client,

		       struct i2c_board_info *info)

static int lm77_detect(struct i2c_client *client, struct i2c_board_info *info)

{

	struct i2c_adapter *adapter = new_client->adapter;

	struct i2c_adapter *adapter = client->adapter;

	int i, cur, conf, hyst, crit, min, max;



	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
@@ -292,18 +291,18 @@ static int lm77_detect(struct i2c_client *new_client, 
	 */



	/* addresses cycling */

	cur = i2c_smbus_read_word_data(new_client, 0);

	conf = i2c_smbus_read_byte_data(new_client, 1);

	hyst = i2c_smbus_read_word_data(new_client, 2);

	crit = i2c_smbus_read_word_data(new_client, 3);

	min = i2c_smbus_read_word_data(new_client, 4);

	max = i2c_smbus_read_word_data(new_client, 5);

	cur = i2c_smbus_read_word_data(client, 0);

	conf = i2c_smbus_read_byte_data(client, 1);

	hyst = i2c_smbus_read_word_data(client, 2);

	crit = i2c_smbus_read_word_data(client, 3);

	min = i2c_smbus_read_word_data(client, 4);

	max = i2c_smbus_read_word_data(client, 5);

	for (i = 8; i <= 0xff; i += 8) {

		if (i2c_smbus_read_byte_data(new_client, i + 1) != conf

		 || i2c_smbus_read_word_data(new_client, i + 2) != hyst

		 || i2c_smbus_read_word_data(new_client, i + 3) != crit

		 || i2c_smbus_read_word_data(new_client, i + 4) != min

		 || i2c_smbus_read_word_data(new_client, i + 5) != max)

		if (i2c_smbus_read_byte_data(client, i + 1) != conf

		 || i2c_smbus_read_word_data(client, i + 2) != hyst

		 || i2c_smbus_read_word_data(client, i + 3) != crit

		 || i2c_smbus_read_word_data(client, i + 4) != min

		 || i2c_smbus_read_word_data(client, i + 5) != max)

			return -ENODEV;

	}
@@ -320,17 +319,17 @@ static int lm77_detect(struct i2c_client *new_client, 
		return -ENODEV;



	/* 0x06 and 0x07 return the last read value */

	cur = i2c_smbus_read_word_data(new_client, 0);

	if (i2c_smbus_read_word_data(new_client, 6) != cur

	 || i2c_smbus_read_word_data(new_client, 7) != cur)

	cur = i2c_smbus_read_word_data(client, 0);

	if (i2c_smbus_read_word_data(client, 6) != cur

	 || i2c_smbus_read_word_data(client, 7) != cur)

		return -ENODEV;

	hyst = i2c_smbus_read_word_data(new_client, 2);

	if (i2c_smbus_read_word_data(new_client, 6) != hyst

	 || i2c_smbus_read_word_data(new_client, 7) != hyst)

	hyst = i2c_smbus_read_word_data(client, 2);

	if (i2c_smbus_read_word_data(client, 6) != hyst

	 || i2c_smbus_read_word_data(client, 7) != hyst)

		return -ENODEV;

	min = i2c_smbus_read_word_data(new_client, 4);

	if (i2c_smbus_read_word_data(new_client, 6) != min

	 || i2c_smbus_read_word_data(new_client, 7) != min)

	min = i2c_smbus_read_word_data(client, 4);

	if (i2c_smbus_read_word_data(client, 6) != min

	 || i2c_smbus_read_word_data(client, 7) != min)

		return -ENODEV;



	strlcpy(info->type, "lm77", I2C_NAME_SIZE);
@@ -338,9 +337,9 @@ static int lm77_detect(struct i2c_client *new_client, 
	return 0;

}



static int lm77_probe(struct i2c_client *new_client,

		      const struct i2c_device_id *id)

static int lm77_probe(struct i2c_client *client, const struct i2c_device_id *id)

{

	struct device *dev = &client->dev;

	struct lm77_data *data;

	int err;
@@ -350,19 +349,19 @@ static int lm77_probe(struct i2c_client *new_client, 
		goto exit;

	}



	i2c_set_clientdata(new_client, data);

	i2c_set_clientdata(client, data);

	data->valid = 0;

	mutex_init(&data->update_lock);



	/* Initialize the LM77 chip */

	lm77_init_client(new_client);

	lm77_init_client(client);



	/* Register sysfs hooks */

	err = sysfs_create_group(&new_client->dev.kobj, &lm77_group);

	err = sysfs_create_group(&dev->kobj, &lm77_group);

	if (err)

		goto exit_free;



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

	data->hwmon_dev = hwmon_device_register(dev);

	if (IS_ERR(data->hwmon_dev)) {

		err = PTR_ERR(data->hwmon_dev);

		goto exit_remove;
@@ -371,7 +370,7 @@ static int lm77_probe(struct i2c_client *new_client, 
	return 0;



exit_remove:

	sysfs_remove_group(&new_client->dev.kobj, &lm77_group);

	sysfs_remove_group(&dev->kobj, &lm77_group);

exit_free:

	kfree(data);

exit: