/* This function flushes cache over QH for particular endpoint.  */
static void ci_flush_qh(int ep_num)
/* This function flushes cache over QH for particular endpoint.  */
static void ci_flush_qh(int ep_num)
{
	struct ept_queue_head *head = ci_get_qh(ep_num, 0);
	const unsigned long start = (unsigned long)head;
	const unsigned long end = start + 2 * sizeof(*head);
	flush_dcache_range(start, end);
}