void pm_qos_sysfs_remove_flags(struct device *dev)
{
	sysfs_unmerge_group(&dev->kobj, &pm_qos_flags_attr_group);
}
void pm_qos_sysfs_remove_flags(struct device *dev)
{
	sysfs_unmerge_group(&dev->kobj, &pm_qos_flags_attr_group);
}