static int __init wakeup_sources_sysfs_init(void)
{
	wakeup_class = class_create(THIS_MODULE, "wakeup");

	return PTR_ERR_OR_ZERO(wakeup_class);
}
static int __init wakeup_sources_sysfs_init(void)
{
	wakeup_class = class_create(THIS_MODULE, "wakeup");

	return PTR_ERR_OR_ZERO(wakeup_class);
}