rtc: switch wakealarm attribute to DEVICE_ATTR_RW

Instead of using older style DEVICE_ATTR for wakealarm attribute let's
switch to using DEVICE_ATTR_RW that ensures consistent across the kernel
permissions on the attribute.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Dmitry Torokhov 2015-07-23 16:01:07 -07:00 committed by Alexandre Belloni
parent df100c017e
commit a17ccd1c6a

View File

@ -134,8 +134,7 @@ static struct attribute *rtc_attrs[] = {
ATTRIBUTE_GROUPS(rtc);
static ssize_t
rtc_sysfs_show_wakealarm(struct device *dev, struct device_attribute *attr,
char *buf)
wakealarm_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
unsigned long alarm;
@ -159,7 +158,7 @@ rtc_sysfs_show_wakealarm(struct device *dev, struct device_attribute *attr,
}
static ssize_t
rtc_sysfs_set_wakealarm(struct device *dev, struct device_attribute *attr,
wakealarm_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t n)
{
ssize_t retval;
@ -221,8 +220,7 @@ rtc_sysfs_set_wakealarm(struct device *dev, struct device_attribute *attr,
retval = rtc_set_alarm(rtc, &alm);
return (retval < 0) ? retval : n;
}
static DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR,
rtc_sysfs_show_wakealarm, rtc_sysfs_set_wakealarm);
static DEVICE_ATTR_RW(wakealarm);
/* The reason to trigger an alarm with no process watching it (via sysfs)