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hwmon: (smsc47m1) 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 13:05:06 +01:00 committed by Guenter Roeck
parent feaf8bd49c
commit 83aa233e5d
1 changed files with 5 additions and 5 deletions
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10
drivers/hwmon/smsc47m1.c
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@ -264,8 +264,8 @@ static ssize_t get_pwm_en(struct device *dev, struct device_attribute
return sprintf(buf, "%d\n", PWM_EN_FROM_REG(data->pwm[attr->index]));
}
static ssize_t get_alarms(struct device *dev, struct device_attribute
*devattr, char *buf)
static ssize_t alarms_show(struct device *dev,
struct device_attribute *devattr, char *buf)
{
struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
return sprintf(buf, "%d\n", data->alarms);
@ -440,16 +440,16 @@ fan_present(1);
fan_present(2);
fan_present(3);
static DEVICE_ATTR(alarms, S_IRUGO, get_alarms, NULL);
static DEVICE_ATTR_RO(alarms);
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 smsc47m1_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 *smsc47m1_attributes_fan1[] = {
&sensor_dev_attr_fan1_input.dev_attr.attr,