Commit 87533770 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (it87) Use is_visible for temperature sensors 



Simplify code and reduce object size by more than 200 bytes on x86_64.

Tested-by: default avatarMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 52929715

drivers/hwmon/it87.c

+36 −51
Original line number Diff line number Diff line
@@ -1834,40 +1834,57 @@ static const struct attribute_group it87_group_in = { 
	.is_visible = it87_in_is_visible,

};



static struct attribute *it87_attributes_temp[3][6] = {

static umode_t it87_temp_is_visible(struct kobject *kobj,

				    struct attribute *attr, int index)

{

	struct device *dev = container_of(kobj, struct device, kobj);

	struct it87_data *data = dev_get_drvdata(dev);

	int i = index / 7;	/* temperature index */

	int a = index % 7;	/* attribute index */



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

		return 0;



	if (a == 5 && !has_temp_offset(data))

		return 0;



	if (a == 6 && !data->has_beep)

		return 0;



	return attr->mode;

}



static struct attribute *it87_attributes_temp[] = {

	&sensor_dev_attr_temp1_input.dev_attr.attr,

	&sensor_dev_attr_temp1_max.dev_attr.attr,

	&sensor_dev_attr_temp1_min.dev_attr.attr,

	&sensor_dev_attr_temp1_type.dev_attr.attr,

	&sensor_dev_attr_temp1_alarm.dev_attr.attr,

	NULL

} , {

	&sensor_dev_attr_temp1_offset.dev_attr.attr,	/* 5 */

	&sensor_dev_attr_temp1_beep.dev_attr.attr,	/* 6 */



	&sensor_dev_attr_temp2_input.dev_attr.attr,

	&sensor_dev_attr_temp2_max.dev_attr.attr,

	&sensor_dev_attr_temp2_min.dev_attr.attr,

	&sensor_dev_attr_temp2_type.dev_attr.attr,

	&sensor_dev_attr_temp2_alarm.dev_attr.attr,

	NULL

} , {

	&sensor_dev_attr_temp2_offset.dev_attr.attr,

	&sensor_dev_attr_temp2_beep.dev_attr.attr,



	&sensor_dev_attr_temp3_input.dev_attr.attr,

	&sensor_dev_attr_temp3_max.dev_attr.attr,

	&sensor_dev_attr_temp3_min.dev_attr.attr,

	&sensor_dev_attr_temp3_type.dev_attr.attr,

	&sensor_dev_attr_temp3_alarm.dev_attr.attr,

	NULL

} };

	&sensor_dev_attr_temp3_offset.dev_attr.attr,

	&sensor_dev_attr_temp3_beep.dev_attr.attr,



static const struct attribute_group it87_group_temp[3] = {

	{ .attrs = it87_attributes_temp[0] },

	{ .attrs = it87_attributes_temp[1] },

	{ .attrs = it87_attributes_temp[2] },

	NULL

};



static struct attribute *it87_attributes_temp_offset[] = {

	&sensor_dev_attr_temp1_offset.dev_attr.attr,

	&sensor_dev_attr_temp2_offset.dev_attr.attr,

	&sensor_dev_attr_temp3_offset.dev_attr.attr,

static const struct attribute_group it87_group_temp = {

	.attrs = it87_attributes_temp,

	.is_visible = it87_temp_is_visible,

};



static struct attribute *it87_attributes[] = {
@@ -1881,12 +1898,6 @@ static const struct attribute_group it87_group = { 
	.attrs = it87_attributes,

};



static struct attribute *it87_attributes_temp_beep[] = {

	&sensor_dev_attr_temp1_beep.dev_attr.attr,

	&sensor_dev_attr_temp2_beep.dev_attr.attr,

	&sensor_dev_attr_temp3_beep.dev_attr.attr,

};



static struct attribute *it87_attributes_fan[6][3+1] = { {

	&sensor_dev_attr_fan1_input.dev_attr.attr,

	&sensor_dev_attr_fan1_min.dev_attr.attr,
@@ -2436,18 +2447,8 @@ static void it87_remove_files(struct device *dev) 


	sysfs_remove_group(&dev->kobj, &it87_group);

	sysfs_remove_group(&dev->kobj, &it87_group_in);

	sysfs_remove_group(&dev->kobj, &it87_group_temp);



	for (i = 0; i < 3; i++) {

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

			continue;

		sysfs_remove_group(&dev->kobj, &it87_group_temp[i]);

		if (has_temp_offset(data))

			sysfs_remove_file(&dev->kobj,

					  it87_attributes_temp_offset[i]);

		if (sio_data->beep_pin)

			sysfs_remove_file(&dev->kobj,

					  it87_attributes_temp_beep[i]);

	}

	for (i = 0; i < 6; i++) {

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

			continue;
@@ -2746,25 +2747,9 @@ static int it87_probe(struct platform_device *pdev) 
	if (err)

		goto error;



	for (i = 0; i < 3; i++) {

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

			continue;

		err = sysfs_create_group(&dev->kobj, &it87_group_temp[i]);

	err = sysfs_create_group(&dev->kobj, &it87_group_temp);

	if (err)

		goto error;

		if (has_temp_offset(data)) {

			err = sysfs_create_file(&dev->kobj,

						it87_attributes_temp_offset[i]);

			if (err)

				goto error;

		}

		if (sio_data->beep_pin) {

			err = sysfs_create_file(&dev->kobj,

						it87_attributes_temp_beep[i]);

			if (err)

				goto error;

		}

	}



	/* Do not create fan files for disabled fans */

	fan_beep_need_rw = 1;