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Commit 6f3dcde9 authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
Browse files

hwmon: (w83795) Merge w83795_create_files and w83795_remove_files 



Functions w83795_create_files and w83795_remove_files iterate over
the same set of files, just calling a different function. Merge them
into a single function which takes the action as a parameter. This
saves code, and also ensure that file creation and deletion are in
sync.

Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent 892514a6

drivers/hwmon/w83795.c

+17 −38
Original line number Diff line number Diff line
@@ -1777,7 +1777,8 @@ static int w83795_detect(struct i2c_client *client, 
	return 0;

}



static int w83795_create_files(struct device *dev)

static int w83795_handle_files(struct device *dev, int (*fn)(struct device *,

			       const struct device_attribute *))

{

	struct w83795_data *data = dev_get_drvdata(dev);

	int err, i;
@@ -1785,7 +1786,7 @@ static int w83795_create_files(struct device *dev) 
	for (i = 0; i < ARRAY_SIZE(w83795_in); i++) {

		if (!(data->has_in & (1 << (i / 6))))

			continue;

		err = device_create_file(dev, &w83795_in[i].dev_attr);

		err = fn(dev, &w83795_in[i].dev_attr);

		if (err)

			return err;

	}
@@ -1793,21 +1794,20 @@ static int w83795_create_files(struct device *dev) 
	for (i = 0; i < ARRAY_SIZE(w83795_fan); i++) {

		if (!(data->has_fan & (1 << (i / 5))))

			continue;

		err = device_create_file(dev, &w83795_fan[i].dev_attr);

		err = fn(dev, &w83795_fan[i].dev_attr);

		if (err)

			return err;

	}



	for (i = 0; i < ARRAY_SIZE(sda_single_files); i++) {

		err = device_create_file(dev, &sda_single_files[i].dev_attr);

		err = fn(dev, &sda_single_files[i].dev_attr);

		if (err)

			return err;

	}



	if (data->chip_type == w83795g) {

		for (i = 0; i < ARRAY_SIZE(w83795_left_reg); i++) {

			err = device_create_file(dev,

						 &w83795_left_reg[i].dev_attr);

			err = fn(dev, &w83795_left_reg[i].dev_attr);

			if (err)

				return err;

		}
@@ -1816,7 +1816,7 @@ static int w83795_create_files(struct device *dev) 
	for (i = 0; i < ARRAY_SIZE(w83795_temp); i++) {

		if (!(data->has_temp & (1 << (i / 29))))

			continue;

		err = device_create_file(dev, &w83795_temp[i].dev_attr);

		err = fn(dev, &w83795_temp[i].dev_attr);

		if (err)

			return err;

	}
@@ -1825,14 +1825,14 @@ static int w83795_create_files(struct device *dev) 
		for (i = 0; i < ARRAY_SIZE(w83795_dts); i++) {

			if (!(data->has_dts & (1 << (i / 8))))

				continue;

			err = device_create_file(dev, &w83795_dts[i].dev_attr);

			err = fn(dev, &w83795_dts[i].dev_attr);

			if (err)

				return err;

		}

	}



	for (i = 0; i < ARRAY_SIZE(w83795_static); i++) {

		err = device_create_file(dev, &w83795_static[i].dev_attr);

		err = fn(dev, &w83795_static[i].dev_attr);

		if (err)

			return err;

	}
@@ -1840,33 +1840,12 @@ static int w83795_create_files(struct device *dev) 
	return 0;

}



static void w83795_remove_files(struct device *dev)

/* We need a wrapper that fits in w83795_handle_files */

static int device_remove_file_wrapper(struct device *dev,

				      const struct device_attribute *attr)

{

	struct w83795_data *data = dev_get_drvdata(dev);

	int i;



	for (i = 0; i < ARRAY_SIZE(w83795_in); i++)

		device_remove_file(dev, &w83795_in[i].dev_attr);



	for (i = 0; i < ARRAY_SIZE(w83795_fan); i++)

		device_remove_file(dev, &w83795_fan[i].dev_attr);



	for (i = 0; i < ARRAY_SIZE(sda_single_files); i++)

		device_remove_file(dev, &sda_single_files[i].dev_attr);



	if (data->chip_type == w83795g) {

		for (i = 0; i < ARRAY_SIZE(w83795_left_reg); i++)

			device_remove_file(dev, &w83795_left_reg[i].dev_attr);

	}



	for (i = 0; i < ARRAY_SIZE(w83795_temp); i++)

		device_remove_file(dev, &w83795_temp[i].dev_attr);



	for (i = 0; i < ARRAY_SIZE(w83795_dts); i++)

		device_remove_file(dev, &w83795_dts[i].dev_attr);



	for (i = 0; i < ARRAY_SIZE(w83795_static); i++)

		device_remove_file(dev, &w83795_static[i].dev_attr);

	device_remove_file(dev, attr);

	return 0;

}



static int w83795_probe(struct i2c_client *client,
@@ -2093,7 +2072,7 @@ static int w83795_probe(struct i2c_client *client, 
	data->beep_enable =

		(w83795_read(client, W83795_REG_BEEP(5)) >> 7) & 0x01;



	err = w83795_create_files(dev);

	err = w83795_handle_files(dev, device_create_file);

	if (err)

		goto exit_remove;
@@ -2106,7 +2085,7 @@ static int w83795_probe(struct i2c_client *client, 
	return 0;



exit_remove:

	w83795_remove_files(dev);

	w83795_handle_files(dev, device_remove_file_wrapper);

	kfree(data);

exit:

	return err;
@@ -2117,7 +2096,7 @@ static int w83795_remove(struct i2c_client *client) 
	struct w83795_data *data = i2c_get_clientdata(client);



	hwmon_device_unregister(data->hwmon_dev);

	w83795_remove_files(&client->dev);

	w83795_handle_files(&client->dev, device_remove_file_wrapper);

	kfree(data);



	return 0;