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hwmon: (vt8231) use permission-specific DEVICE_ATTR variants 

Use DEVICE_ATTR_RO for read only attributes and DEVICE_ATTR_RW for
read/write attributes. This simplifies the source code, improves
readbility, and reduces the chance of inconsistencies.

The conversion was done automatically using coccinelle. It was validated
by compiling both the old and the new source code and comparing its text,
data, and bss size.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
[groeck: Updated description]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Julia Lawall 2016-12-22 13:05:18 +01:00 коммит произвёл Guenter Roeck
Родитель 329beb71fd
Коммит d5034db6cc
1 изменённых файлов: 31 добавлений и 28 удалений
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57
drivers/hwmon/vt8231.c
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@ -263,8 +263,8 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
}
/* Special case for input 5 as this has 3.3V scaling built into the chip */
static ssize_t show_in5(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t in5_input_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
@ -272,7 +272,7 @@ static ssize_t show_in5(struct device *dev, struct device_attribute *attr,
(((data->in[5] - 3) * 10000 * 54) / (958 * 34)));
}
static ssize_t show_in5_min(struct device *dev, struct device_attribute *attr,
static ssize_t in5_min_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
@ -281,7 +281,7 @@ static ssize_t show_in5_min(struct device *dev, struct device_attribute *attr,
(((data->in_min[5] - 3) * 10000 * 54) / (958 * 34)));
}
static ssize_t show_in5_max(struct device *dev, struct device_attribute *attr,
static ssize_t in5_max_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
@ -290,8 +290,9 @@ static ssize_t show_in5_max(struct device *dev, struct device_attribute *attr,
(((data->in_max[5] - 3) * 10000 * 54) / (958 * 34)));
}
static ssize_t set_in5_min(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t in5_min_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
unsigned long val;
@ -309,8 +310,9 @@ static ssize_t set_in5_min(struct device *dev, struct device_attribute *attr,
return count;
}
static ssize_t set_in5_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t in5_max_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
unsigned long val;
@ -342,34 +344,35 @@ define_voltage_sysfs(2);
define_voltage_sysfs(3);
define_voltage_sysfs(4);
static DEVICE_ATTR(in5_input, S_IRUGO, show_in5, NULL);
static DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR, show_in5_min, set_in5_min);
static DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR, show_in5_max, set_in5_max);
static DEVICE_ATTR_RO(in5_input);
static DEVICE_ATTR_RW(in5_min);
static DEVICE_ATTR_RW(in5_max);
/* Temperatures */
static ssize_t show_temp0(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t temp1_input_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
return sprintf(buf, "%d\n", data->temp[0] * 250);
}
static ssize_t show_temp0_max(struct device *dev, struct device_attribute *attr,
static ssize_t temp1_max_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
return sprintf(buf, "%d\n", data->temp_max[0] * 1000);
}
static ssize_t show_temp0_min(struct device *dev, struct device_attribute *attr,
char *buf)
static ssize_t temp1_max_hyst_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
return sprintf(buf, "%d\n", data->temp_min[0] * 1000);
}
static ssize_t set_temp0_max(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
static ssize_t temp1_max_store(struct device *dev,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
long val;
@ -385,7 +388,8 @@ static ssize_t set_temp0_max(struct device *dev, struct device_attribute *attr,
mutex_unlock(&data->update_lock);
return count;
}
static ssize_t set_temp0_min(struct device *dev, struct device_attribute *attr,
static ssize_t temp1_max_hyst_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct vt8231_data *data = dev_get_drvdata(dev);
@ -481,10 +485,9 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR, \
show_temp_min, set_temp_min, offset - 1)
static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp0, NULL);
static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp0_max, set_temp0_max);
static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp0_min,
set_temp0_min);
static DEVICE_ATTR_RO(temp1_input);
static DEVICE_ATTR_RW(temp1_max);
static DEVICE_ATTR_RW(temp1_max_hyst);
define_temperature_sysfs(2);
define_temperature_sysfs(3);
@ -603,13 +606,13 @@ define_fan_sysfs(1);
define_fan_sysfs(2);
/* Alarms */
static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
static ssize_t alarms_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct vt8231_data *data = vt8231_update_device(dev);
return sprintf(buf, "%d\n", data->alarms);
}
static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
static DEVICE_ATTR_RO(alarms);
static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
char *buf)
@ -633,13 +636,13 @@ static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 2);
static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 6);
static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 7);
static ssize_t show_name(struct device *dev, struct device_attribute
static ssize_t name_show(struct device *dev, struct device_attribute
*devattr, char *buf)
{
struct vt8231_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%s\n", data->name);
}
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static DEVICE_ATTR_RO(name);
static struct attribute *vt8231_attributes_temps[6][5] = {
{