/* device attributes */
-static ssize_t rtc_sysfs_show_name(struct class_device *dev, char *buf)
+static ssize_t
+rtc_sysfs_show_name(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
return sprintf(buf, "%s\n", to_rtc_device(dev)->name);
}
-static ssize_t rtc_sysfs_show_date(struct class_device *dev, char *buf)
+static ssize_t
+rtc_sysfs_show_date(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
ssize_t retval;
struct rtc_time tm;
return retval;
}
-static ssize_t rtc_sysfs_show_time(struct class_device *dev, char *buf)
+static ssize_t
+rtc_sysfs_show_time(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
ssize_t retval;
struct rtc_time tm;
return retval;
}
-static ssize_t rtc_sysfs_show_since_epoch(struct class_device *dev, char *buf)
+static ssize_t
+rtc_sysfs_show_since_epoch(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
ssize_t retval;
struct rtc_time tm;
return retval;
}
-static struct class_device_attribute rtc_attrs[] = {
+static ssize_t
+rtc_sysfs_show_max_user_freq(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,
+ const char *buf, size_t n)
+{
+ struct rtc_device *rtc = to_rtc_device(dev);
+ unsigned long val = simple_strtoul(buf, NULL, 0);
+
+ if (val >= 4096 || val == 0)
+ return -EINVAL;
+
+ rtc->max_user_freq = (int)val;
+
+ return 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),
{ },
};
static ssize_t
-rtc_sysfs_show_wakealarm(struct class_device *dev, char *buf)
+rtc_sysfs_show_wakealarm(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
ssize_t retval;
unsigned long alarm;
}
static ssize_t
-rtc_sysfs_set_wakealarm(struct class_device *dev, const char *buf, size_t n)
+rtc_sysfs_set_wakealarm(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t n)
{
ssize_t retval;
unsigned long now, alarm;
retval = rtc_set_alarm(rtc, &alm);
return (retval < 0) ? retval : n;
}
-static const CLASS_DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR,
+static DEVICE_ATTR(wakealarm, S_IRUGO | S_IWUSR,
rtc_sysfs_show_wakealarm, rtc_sysfs_set_wakealarm);
*/
static inline int rtc_does_wakealarm(struct rtc_device *rtc)
{
- if (!device_can_wakeup(rtc->class_dev.dev))
+ if (!device_can_wakeup(rtc->dev.parent))
return 0;
return rtc->ops->set_alarm != NULL;
}
if (!rtc_does_wakealarm(rtc))
return;
- err = class_device_create_file(&rtc->class_dev,
- &class_device_attr_wakealarm);
+ err = device_create_file(&rtc->dev, &dev_attr_wakealarm);
if (err)
- dev_err(rtc->class_dev.dev, "failed to create "
- "alarm attribute, %d",
- err);
+ dev_err(rtc->dev.parent,
+ "failed to create alarm attribute, %d\n", err);
}
void rtc_sysfs_del_device(struct rtc_device *rtc)
{
/* REVISIT did we add it successfully? */
if (rtc_does_wakealarm(rtc))
- class_device_remove_file(&rtc->class_dev,
- &class_device_attr_wakealarm);
+ device_remove_file(&rtc->dev, &dev_attr_wakealarm);
}
void __init rtc_sysfs_init(struct class *rtc_class)
{
- rtc_class->class_dev_attrs = rtc_attrs;
+ rtc_class->dev_attrs = rtc_attrs;
}