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Subject[PATCH 19/36] rtc: convert class code to use dev_groups
Date
The dev_attrs field of struct class is going away soon, dev_groups
should be used instead. This converts the rtc class code to use the
correct field.

Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

Alessandro, feel free to take this through your tree, or ACK it and I
can take it through mine.

drivers/rtc/rtc-sysfs.c | 48 ++++++++++++++++++++++++------------------------
1 file changed, 24 insertions(+), 24 deletions(-)

diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c
index 4b26f867..babd43bf 100644
--- a/drivers/rtc/rtc-sysfs.c
+++ b/drivers/rtc/rtc-sysfs.c
@@ -25,15 +25,14 @@
*/

static ssize_t
-rtc_sysfs_show_name(struct device *dev, struct device_attribute *attr,
- char *buf)
+name_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", to_rtc_device(dev)->name);
}
+static DEVICE_ATTR_RO(name);

static ssize_t
-rtc_sysfs_show_date(struct device *dev, struct device_attribute *attr,
- char *buf)
+date_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
struct rtc_time tm;
@@ -46,10 +45,10 @@ rtc_sysfs_show_date(struct device *dev, struct device_attribute *attr,

return retval;
}
+static DEVICE_ATTR_RO(date);

static ssize_t
-rtc_sysfs_show_time(struct device *dev, struct device_attribute *attr,
- char *buf)
+time_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
struct rtc_time tm;
@@ -62,10 +61,10 @@ rtc_sysfs_show_time(struct device *dev, struct device_attribute *attr,

return retval;
}
+static DEVICE_ATTR_RO(time);

static ssize_t
-rtc_sysfs_show_since_epoch(struct device *dev, struct device_attribute *attr,
- char *buf)
+since_epoch_show(struct device *dev, struct device_attribute *attr, char *buf)
{
ssize_t retval;
struct rtc_time tm;
@@ -79,16 +78,16 @@ rtc_sysfs_show_since_epoch(struct device *dev, struct device_attribute *attr,

return retval;
}
+static DEVICE_ATTR_RO(since_epoch);

static ssize_t
-rtc_sysfs_show_max_user_freq(struct device *dev, struct device_attribute *attr,
- char *buf)
+max_user_freq_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", to_rtc_device(dev)->max_user_freq);
}

static ssize_t
-rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,
+max_user_freq_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t n)
{
struct rtc_device *rtc = to_rtc_device(dev);
@@ -101,6 +100,7 @@ rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,

return n;
}
+static DEVICE_ATTR_RW(max_user_freq);

/**
* rtc_sysfs_show_hctosys - indicate if the given RTC set the system time
@@ -109,8 +109,7 @@ rtc_sysfs_set_max_user_freq(struct device *dev, struct device_attribute *attr,
* boot or resume event.
*/
static ssize_t
-rtc_sysfs_show_hctosys(struct device *dev, struct device_attribute *attr,
- char *buf)
+hctosys_show(struct device *dev, struct device_attribute *attr, char *buf)
{
#ifdef CONFIG_RTC_HCTOSYS_DEVICE
if (rtc_hctosys_ret == 0 &&
@@ -121,17 +120,18 @@ rtc_sysfs_show_hctosys(struct device *dev, struct device_attribute *attr,
#endif
return sprintf(buf, "0\n");
}
-
-static struct device_attribute rtc_attrs[] = {
- __ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL),
- __ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL),
- __ATTR(time, S_IRUGO, rtc_sysfs_show_time, NULL),
- __ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL),
- __ATTR(max_user_freq, S_IRUGO | S_IWUSR, rtc_sysfs_show_max_user_freq,
- rtc_sysfs_set_max_user_freq),
- __ATTR(hctosys, S_IRUGO, rtc_sysfs_show_hctosys, NULL),
- { },
+static DEVICE_ATTR_RO(hctosys);
+
+static struct attribute *rtc_attrs[] = {
+ &dev_attr_name.attr,
+ &dev_attr_date.attr,
+ &dev_attr_time.attr,
+ &dev_attr_since_epoch.attr,
+ &dev_attr_max_user_freq.attr,
+ &dev_attr_hctosys.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(rtc);

static ssize_t
rtc_sysfs_show_wakealarm(struct device *dev, struct device_attribute *attr,
@@ -261,5 +261,5 @@ void rtc_sysfs_del_device(struct rtc_device *rtc)

void __init rtc_sysfs_init(struct class *rtc_class)
{
- rtc_class->dev_attrs = rtc_attrs;
+ rtc_class->dev_groups = rtc_groups;
}
--
1.8.3.rc0.20.gb99dd2e


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