int wakeup_sysfs_add(struct device *dev)
{
	int ret = sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group);

	if (!ret)
		kobject_uevent(&dev->kobj, KOBJ_CHANGE);

	return ret;
}
int wakeup_sysfs_add(struct device *dev)
{
	int ret = sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group);

	if (!ret)
		kobject_uevent(&dev->kobj, KOBJ_CHANGE);

	return ret;
}