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Commit b8fe58e9 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (lm92) Drop function macros 



Function macros obfuscate code and increase code size, so drop them.

Reviewed-by: default avatarJean Delvare <jdelvare@suse.de>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent c6f1e7ab

drivers/hwmon/lm92.c

+84 −83
Original line number Diff line number Diff line
@@ -89,6 +89,23 @@ static inline u8 ALARMS_FROM_REG(s16 reg) 
	return reg & 0x0007;

}



enum temp_index {

	t_input,

	t_crit,

	t_min,

	t_max,

	t_hyst,

	t_num_regs

};



static const u8 regs[t_num_regs] = {

	[t_input] = LM92_REG_TEMP,

	[t_crit] = LM92_REG_TEMP_CRIT,

	[t_min] = LM92_REG_TEMP_LOW,

	[t_max] = LM92_REG_TEMP_HIGH,

	[t_hyst] = LM92_REG_TEMP_HYST,

};



/* Client data (each client gets its own) */

struct lm92_data {

	struct device *hwmon_dev;
@@ -97,10 +114,9 @@ struct lm92_data { 
	unsigned long last_updated; /* in jiffies */



	/* registers values */

	s16 temp1_input, temp1_crit, temp1_min, temp1_max, temp1_hyst;

	s16 temp[t_num_regs];	/* index with enum temp_index */

};





/*

 * Sysfs attributes and callback functions

 */
@@ -109,23 +125,17 @@ static struct lm92_data *lm92_update_device(struct device *dev) 
{

	struct i2c_client *client = to_i2c_client(dev);

	struct lm92_data *data = i2c_get_clientdata(client);

	int i;



	mutex_lock(&data->update_lock);



	if (time_after(jiffies, data->last_updated + HZ)

	 || !data->valid) {

		dev_dbg(&client->dev, "Updating lm92 data\n");

		data->temp1_input = i2c_smbus_read_word_swapped(client,

				    LM92_REG_TEMP);

		data->temp1_hyst = i2c_smbus_read_word_swapped(client,

				    LM92_REG_TEMP_HYST);

		data->temp1_crit = i2c_smbus_read_word_swapped(client,

				    LM92_REG_TEMP_CRIT);

		data->temp1_min = i2c_smbus_read_word_swapped(client,

				    LM92_REG_TEMP_LOW);

		data->temp1_max = i2c_smbus_read_word_swapped(client,

				    LM92_REG_TEMP_HIGH);



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

			data->temp[i] =

				i2c_smbus_read_word_swapped(client, regs[i]);

		}

		data->last_updated = jiffies;

		data->valid = 1;

	}
@@ -135,66 +145,58 @@ static struct lm92_data *lm92_update_device(struct device *dev) 
	return data;

}



#define show_temp(value) \

static ssize_t show_##value(struct device *dev, struct device_attribute *attr, \

			    char *buf) \

{ \

	struct lm92_data *data = lm92_update_device(dev); \

	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \

}

show_temp(temp1_input);

show_temp(temp1_crit);

show_temp(temp1_min);

show_temp(temp1_max);



#define set_temp(value, reg) \

static ssize_t set_##value(struct device *dev, struct device_attribute *attr, \

			   const char *buf, \

	size_t count) \

{ \

	struct i2c_client *client = to_i2c_client(dev); \

	struct lm92_data *data = i2c_get_clientdata(client); \

	long val; \

	int err = kstrtol(buf, 10, &val); \

	if (err) \

		return err; \

\

	mutex_lock(&data->update_lock); \

	data->value = TEMP_TO_REG(val); \

	i2c_smbus_write_word_swapped(client, reg, data->value); \

	mutex_unlock(&data->update_lock); \

	return count; \

static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,

			 char *buf)

{

	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);

	struct lm92_data *data = lm92_update_device(dev);



	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));

}

set_temp(temp1_crit, LM92_REG_TEMP_CRIT);

set_temp(temp1_min, LM92_REG_TEMP_LOW);

set_temp(temp1_max, LM92_REG_TEMP_HIGH);



static ssize_t show_temp1_crit_hyst(struct device *dev,

				    struct device_attribute *attr, char *buf)

static ssize_t set_temp(struct device *dev, struct device_attribute *devattr,

			   const char *buf, size_t count)

{

	struct lm92_data *data = lm92_update_device(dev);

	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_crit)

		       - TEMP_FROM_REG(data->temp1_hyst));

	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);

	struct i2c_client *client = to_i2c_client(dev);

	struct lm92_data *data = i2c_get_clientdata(client);

	int nr = attr->index;

	long val;

	int err;

	

	err = kstrtol(buf, 10, &val);

	if (err)

		return err;



	mutex_lock(&data->update_lock);

	data->temp[nr] = TEMP_TO_REG(val);

	i2c_smbus_write_word_swapped(client, regs[nr], data->temp[nr]);

	mutex_unlock(&data->update_lock);

	return count;

}

static ssize_t show_temp1_max_hyst(struct device *dev,

				   struct device_attribute *attr, char *buf)



static ssize_t show_temp_hyst(struct device *dev,

			      struct device_attribute *devattr, char *buf)

{

	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);

	struct lm92_data *data = lm92_update_device(dev);

	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_max)

		       - TEMP_FROM_REG(data->temp1_hyst));

	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index])

		       - TEMP_FROM_REG(data->temp[t_hyst]));

}

static ssize_t show_temp1_min_hyst(struct device *dev,



static ssize_t show_temp_min_hyst(struct device *dev,

				  struct device_attribute *attr, char *buf)

{

	struct lm92_data *data = lm92_update_device(dev);

	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_min)

		       + TEMP_FROM_REG(data->temp1_hyst));

	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[t_min])

		       + TEMP_FROM_REG(data->temp[t_hyst]));

}



static ssize_t set_temp1_crit_hyst(struct device *dev,

				   struct device_attribute *attr,

static ssize_t set_temp_hyst(struct device *dev,

			     struct device_attribute *devattr,

			     const char *buf, size_t count)

{

	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);

	struct i2c_client *client = to_i2c_client(dev);

	struct lm92_data *data = i2c_get_clientdata(client);

	long val;
@@ -205,9 +207,9 @@ static ssize_t set_temp1_crit_hyst(struct device *dev, 
		return err;



	mutex_lock(&data->update_lock);

	data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;

	data->temp[t_hyst] = TEMP_FROM_REG(data->temp[attr->index]) - val;

	i2c_smbus_write_word_swapped(client, LM92_REG_TEMP_HYST,

				     TEMP_TO_REG(data->temp1_hyst));

				     TEMP_TO_REG(data->temp[t_hyst]));

	mutex_unlock(&data->update_lock);

	return count;

}
@@ -216,7 +218,7 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, 
			   char *buf)

{

	struct lm92_data *data = lm92_update_device(dev);

	return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input));

	return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp[t_input]));

}



static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
@@ -224,26 +226,25 @@ static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, 
{

	int bitnr = to_sensor_dev_attr(attr)->index;

	struct lm92_data *data = lm92_update_device(dev);

	return sprintf(buf, "%d\n", (data->temp1_input >> bitnr) & 1);

	return sprintf(buf, "%d\n", (data->temp[t_input] >> bitnr) & 1);

}



static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL);

static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp1_crit,

	set_temp1_crit);

static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp1_crit_hyst,

	set_temp1_crit_hyst);

static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp1_min,

	set_temp1_min);

static DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_temp1_min_hyst, NULL);

static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_max,

	set_temp1_max);

static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp1_max_hyst, NULL);

static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, t_input);

static SENSOR_DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp, set_temp,

			  t_crit);

static SENSOR_DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst,

			  set_temp_hyst, t_crit);

static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp, set_temp,

			  t_min);

static DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_temp_min_hyst, NULL);

static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp,

			  t_max);

static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp_hyst, NULL, t_max);

static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);

static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2);

static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0);

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





/*

 * Detection and registration

 */
@@ -316,13 +317,13 @@ static int max6635_check(struct i2c_client *client) 
}



static struct attribute *lm92_attributes[] = {

	&dev_attr_temp1_input.attr,

	&dev_attr_temp1_crit.attr,

	&dev_attr_temp1_crit_hyst.attr,

	&dev_attr_temp1_min.attr,

	&sensor_dev_attr_temp1_input.dev_attr.attr,

	&sensor_dev_attr_temp1_crit.dev_attr.attr,

	&sensor_dev_attr_temp1_crit_hyst.dev_attr.attr,

	&sensor_dev_attr_temp1_min.dev_attr.attr,

	&dev_attr_temp1_min_hyst.attr,

	&dev_attr_temp1_max.attr,

	&dev_attr_temp1_max_hyst.attr,

	&sensor_dev_attr_temp1_max.dev_attr.attr,

	&sensor_dev_attr_temp1_max_hyst.dev_attr.attr,

	&dev_attr_alarms.attr,

	&sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,

	&sensor_dev_attr_temp1_min_alarm.dev_attr.attr,