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hwmon: (max197) 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>
zero-colors
Julia Lawall 2016-12-22 13:04:58 +01:00 committed by Guenter Roeck
parent 23eb359dd6
commit a93c843bbf
1 changed files with 3 additions and 3 deletions
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6
drivers/hwmon/max197.c
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@ -207,8 +207,8 @@ unlock:
return ret;
}
static ssize_t max197_show_name(struct device *dev,
struct device_attribute *attr, char *buf)
static ssize_t name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct platform_device *pdev = to_platform_device(dev);
return sprintf(buf, "%s\n", pdev->name);
@ -231,7 +231,7 @@ static ssize_t max197_show_name(struct device *dev,
&sensor_dev_attr_in##chan##_max.dev_attr.attr, \
&sensor_dev_attr_in##chan##_min.dev_attr.attr
static DEVICE_ATTR(name, S_IRUGO, max197_show_name, NULL);
static DEVICE_ATTR_RO(name);
MAX197_SENSOR_DEVICE_ATTR_CH(0);
MAX197_SENSOR_DEVICE_ATTR_CH(1);