Function macros obfuscate code and increase code size, so drop them.
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
v2: Drop comma after t_num_regs
Declare register array as const and with explicit size
drivers/hwmon/lm92.c | 165 +++++++++++++++++++++++++-------------------------
1 file changed, 82 insertions(+), 83 deletions(-)
diff --git a/drivers/hwmon/lm92.c b/drivers/hwmon/lm92.c
index 7193a92..94599b4 100644
--- a/drivers/hwmon/lm92.c
+++ b/drivers/hwmon/lm92.c
@@ -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 +145,56 @@ 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 = 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,
- struct device_attribute *attr, char *buf)
+
+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,
- const char *buf, size_t count)
+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 +205,9 @@ 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 +216,7 @@ 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 +224,25 @@ 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 +315,13 @@ 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,
--
1.7.9.7
_______________________________________________
lm-sensors mailing list
lm-sensors@xxxxxxxxxxxxxx
http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
