hwmon/lm78: Use dynamic sysfs callbacks
This lets us get rid of macro-generated functions and shrinks the driver size significantly (about 10%). Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare
Jean Delvare
parent
c59cc301ee
commit
247dde4cdd
@ -28,6 +28,7 @@
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#include <linux/ioport.h>
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#include <linux/hwmon.h>
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#include <linux/hwmon-vid.h>
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#include <linux/hwmon-sysfs.h>
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <asm/io.h>
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@ -185,29 +186,37 @@ static struct platform_driver lm78_isa_driver = {
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/* 7 Voltages */
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static ssize_t show_in(struct device *dev, char *buf, int nr)
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static ssize_t show_in(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in[attr->index]));
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}
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static ssize_t show_in_min(struct device *dev, char *buf, int nr)
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static ssize_t show_in_min(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[attr->index]));
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}
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static ssize_t show_in_max(struct device *dev, char *buf, int nr)
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static ssize_t show_in_max(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
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return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[attr->index]));
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}
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static ssize_t set_in_min(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_in_min(struct device *dev, struct device_attribute *da,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = dev_get_drvdata(dev);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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int nr = attr->index;
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mutex_lock(&data->update_lock);
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data->in_min[nr] = IN_TO_REG(val);
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@ -216,11 +225,13 @@ static ssize_t set_in_min(struct device *dev, const char *buf,
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return count;
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}
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static ssize_t set_in_max(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_in_max(struct device *dev, struct device_attribute *da,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = dev_get_drvdata(dev);
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unsigned long val = simple_strtoul(buf, NULL, 10);
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int nr = attr->index;
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mutex_lock(&data->update_lock);
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data->in_max[nr] = IN_TO_REG(val);
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@ -230,37 +241,12 @@ static ssize_t set_in_max(struct device *dev, const char *buf,
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}
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#define show_in_offset(offset) \
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static ssize_t \
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show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_in(dev, buf, offset); \
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} \
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static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
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show_in##offset, NULL); \
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static ssize_t \
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show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_in_min(dev, buf, offset); \
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} \
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static ssize_t \
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show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_in_max(dev, buf, offset); \
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} \
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static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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return set_in_min(dev, buf, count, offset); \
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} \
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static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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return set_in_max(dev, buf, count, offset); \
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} \
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static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
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show_in##offset##_min, set_in##offset##_min); \
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static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
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show_in##offset##_max, set_in##offset##_max);
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static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
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show_in, NULL, offset); \
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static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
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show_in_min, set_in_min, offset); \
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static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
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show_in_max, set_in_max, offset);
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show_in_offset(0);
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show_in_offset(1);
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@ -271,19 +257,22 @@ show_in_offset(5);
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show_in_offset(6);
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/* Temperature */
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static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf)
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static ssize_t show_temp(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
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}
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static ssize_t show_temp_over(struct device *dev, struct device_attribute *attr, char *buf)
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static ssize_t show_temp_over(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
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}
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static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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static ssize_t set_temp_over(struct device *dev, struct device_attribute *da,
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const char *buf, size_t count)
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{
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struct lm78_data *data = dev_get_drvdata(dev);
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long val = simple_strtol(buf, NULL, 10);
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@ -295,13 +284,15 @@ static ssize_t set_temp_over(struct device *dev, struct device_attribute *attr,
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return count;
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}
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static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *attr, char *buf)
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static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
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}
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static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *da,
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const char *buf, size_t count)
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{
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struct lm78_data *data = dev_get_drvdata(dev);
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long val = simple_strtol(buf, NULL, 10);
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@ -320,24 +311,32 @@ static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
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show_temp_hyst, set_temp_hyst);
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/* 3 Fans */
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static ssize_t show_fan(struct device *dev, char *buf, int nr)
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static ssize_t show_fan(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = lm78_update_device(dev);
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int nr = attr->index;
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return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
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DIV_FROM_REG(data->fan_div[nr])) );
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}
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static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
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static ssize_t show_fan_min(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = lm78_update_device(dev);
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int nr = attr->index;
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return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
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DIV_FROM_REG(data->fan_div[nr])) );
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}
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static ssize_t set_fan_min(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_fan_min(struct device *dev, struct device_attribute *da,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = dev_get_drvdata(dev);
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int nr = attr->index;
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unsigned long val = simple_strtoul(buf, NULL, 10);
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mutex_lock(&data->update_lock);
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@ -347,20 +346,24 @@ static ssize_t set_fan_min(struct device *dev, const char *buf,
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return count;
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}
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static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
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static ssize_t show_fan_div(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
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return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
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}
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/* Note: we save and restore the fan minimum here, because its value is
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determined in part by the fan divisor. This follows the principle of
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least surprise; the user doesn't expect the fan minimum to change just
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because the divisor changed. */
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static ssize_t set_fan_div(struct device *dev, const char *buf,
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size_t count, int nr)
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static ssize_t set_fan_div(struct device *dev, struct device_attribute *da,
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const char *buf, size_t count)
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{
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struct sensor_device_attribute *attr = to_sensor_dev_attr(da);
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struct lm78_data *data = dev_get_drvdata(dev);
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int nr = attr->index;
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unsigned long val = simple_strtoul(buf, NULL, 10);
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unsigned long min;
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u8 reg;
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@ -400,53 +403,26 @@ static ssize_t set_fan_div(struct device *dev, const char *buf,
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return count;
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}
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#define show_fan_offset(offset) \
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static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_fan(dev, buf, offset - 1); \
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} \
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static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_fan_min(dev, buf, offset - 1); \
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} \
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static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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return show_fan_div(dev, buf, offset - 1); \
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} \
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static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \
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const char *buf, size_t count) \
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{ \
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return set_fan_min(dev, buf, count, offset - 1); \
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} \
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static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
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static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
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show_fan_##offset##_min, set_fan_##offset##_min);
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static ssize_t set_fan_1_div(struct device *dev, struct device_attribute *attr, const char *buf,
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size_t count)
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{
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return set_fan_div(dev, buf, count, 0) ;
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}
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static ssize_t set_fan_2_div(struct device *dev, struct device_attribute *attr, const char *buf,
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size_t count)
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{
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return set_fan_div(dev, buf, count, 1) ;
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}
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#define show_fan_offset(offset) \
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static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
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show_fan, NULL, offset - 1); \
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static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
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show_fan_min, set_fan_min, offset - 1);
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show_fan_offset(1);
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show_fan_offset(2);
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show_fan_offset(3);
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/* Fan 3 divisor is locked in H/W */
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static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
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show_fan_1_div, set_fan_1_div);
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static DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
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show_fan_2_div, set_fan_2_div);
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static DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_3_div, NULL);
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static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
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show_fan_div, set_fan_div, 0);
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static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
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show_fan_div, set_fan_div, 1);
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static SENSOR_DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_div, NULL, 2);
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/* VID */
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static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
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static ssize_t show_vid(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%d\n", vid_from_reg(data->vid, 82));
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@ -454,7 +430,8 @@ static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char
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static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
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/* Alarms */
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static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
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static ssize_t show_alarms(struct device *dev, struct device_attribute *da,
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char *buf)
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{
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struct lm78_data *data = lm78_update_device(dev);
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return sprintf(buf, "%u\n", data->alarms);
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@ -473,39 +450,39 @@ static int lm78_attach_adapter(struct i2c_adapter *adapter)
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}
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static struct attribute *lm78_attributes[] = {
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&dev_attr_in0_input.attr,
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&dev_attr_in0_min.attr,
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&dev_attr_in0_max.attr,
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&dev_attr_in1_input.attr,
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&dev_attr_in1_min.attr,
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&dev_attr_in1_max.attr,
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&dev_attr_in2_input.attr,
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&dev_attr_in2_min.attr,
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&dev_attr_in2_max.attr,
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&dev_attr_in3_input.attr,
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&dev_attr_in3_min.attr,
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&dev_attr_in3_max.attr,
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&dev_attr_in4_input.attr,
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&dev_attr_in4_min.attr,
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&dev_attr_in4_max.attr,
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&dev_attr_in5_input.attr,
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&dev_attr_in5_min.attr,
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&dev_attr_in5_max.attr,
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&dev_attr_in6_input.attr,
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&dev_attr_in6_min.attr,
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&dev_attr_in6_max.attr,
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&sensor_dev_attr_in0_input.dev_attr.attr,
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&sensor_dev_attr_in0_min.dev_attr.attr,
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&sensor_dev_attr_in0_max.dev_attr.attr,
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&sensor_dev_attr_in1_input.dev_attr.attr,
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&sensor_dev_attr_in1_min.dev_attr.attr,
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&sensor_dev_attr_in1_max.dev_attr.attr,
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&sensor_dev_attr_in2_input.dev_attr.attr,
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&sensor_dev_attr_in2_min.dev_attr.attr,
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&sensor_dev_attr_in2_max.dev_attr.attr,
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&sensor_dev_attr_in3_input.dev_attr.attr,
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&sensor_dev_attr_in3_min.dev_attr.attr,
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&sensor_dev_attr_in3_max.dev_attr.attr,
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&sensor_dev_attr_in4_input.dev_attr.attr,
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&sensor_dev_attr_in4_min.dev_attr.attr,
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&sensor_dev_attr_in4_max.dev_attr.attr,
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&sensor_dev_attr_in5_input.dev_attr.attr,
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&sensor_dev_attr_in5_min.dev_attr.attr,
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&sensor_dev_attr_in5_max.dev_attr.attr,
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&sensor_dev_attr_in6_input.dev_attr.attr,
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&sensor_dev_attr_in6_min.dev_attr.attr,
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&sensor_dev_attr_in6_max.dev_attr.attr,
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&dev_attr_temp1_input.attr,
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&dev_attr_temp1_max.attr,
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&dev_attr_temp1_max_hyst.attr,
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&dev_attr_fan1_input.attr,
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&dev_attr_fan1_min.attr,
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&dev_attr_fan1_div.attr,
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&dev_attr_fan2_input.attr,
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&dev_attr_fan2_min.attr,
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&dev_attr_fan2_div.attr,
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&dev_attr_fan3_input.attr,
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&dev_attr_fan3_min.attr,
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&dev_attr_fan3_div.attr,
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&sensor_dev_attr_fan1_input.dev_attr.attr,
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&sensor_dev_attr_fan1_min.dev_attr.attr,
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&sensor_dev_attr_fan1_div.dev_attr.attr,
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&sensor_dev_attr_fan2_input.dev_attr.attr,
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&sensor_dev_attr_fan2_min.dev_attr.attr,
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&sensor_dev_attr_fan2_div.dev_attr.attr,
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&sensor_dev_attr_fan3_input.dev_attr.attr,
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&sensor_dev_attr_fan3_min.dev_attr.attr,
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&sensor_dev_attr_fan3_div.dev_attr.attr,
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&dev_attr_alarms.attr,
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&dev_attr_cpu0_vid.attr,
|
||||
|
||||
|
||||
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Reference in New Issue
Block a user