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hwmon: (w83627ehf) use permission-specific DEVICE_ATTR variants 

Use DEVICE_ATTR_RO for read-only 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 13:05:10 +01:00 committed by Guenter Roeck
parent 8b2bd7aefa
commit 9bbacbfe0e
1 changed files with 4 additions and 4 deletions
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8
drivers/hwmon/w83627ehf.c
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@ -1687,14 +1687,14 @@ store_##reg(struct device *dev, struct device_attribute *attr, \
fan_time_functions(fan_stop_time, FAN_STOP_TIME)
static ssize_t show_name(struct device *dev, struct device_attribute *attr,
static ssize_t name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct w83627ehf_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 sensor_device_attribute sda_sf3_arrays_fan4[] = {
SENSOR_ATTR(pwm4_stop_time, S_IWUSR | S_IRUGO, show_fan_stop_time,
@ -1754,12 +1754,12 @@ static struct sensor_device_attribute sda_sf3_max_step_arrays[] = {
};
static ssize_t
show_vid(struct device *dev, struct device_attribute *attr, char *buf)
cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct w83627ehf_data *data = dev_get_drvdata(dev);
return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
}
static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
static DEVICE_ATTR_RO(cpu0_vid);
/* Case open detection */