164 		if (!last_trb_on_seg(ring->deq_seg, ring->dequeue)) {  in inc_deq()
165 			ring->dequeue++;  in inc_deq()
168 		if (last_trb_on_ring(ring, ring->deq_seg, ring->dequeue))  in inc_deq()
171 		ring->dequeue = ring->deq_seg->trbs;  in inc_deq()
176 	if (!trb_is_link(ring->dequeue)) {  in inc_deq()
177 		if (last_trb_on_seg(ring->deq_seg, ring->dequeue))  in inc_deq()
180 			ring->dequeue++;  in inc_deq()
183 	while (trb_is_link(ring->dequeue)) {  in inc_deq()
185 		ring->dequeue = ring->deq_seg->trbs;  in inc_deq()
295 	if (enq == ring->dequeue)  in xhci_num_trbs_free()
299 		if (ring->deq_seg == enq_seg && ring->dequeue >= enq)  in xhci_num_trbs_free()
300 			return free + (ring->dequeue - enq);  in xhci_num_trbs_free()
333 	if (trb_is_link(ring->enqueue) && ring->enq_seg->next->trbs == ring->dequeue)  in xhci_ring_expansion_needed()
412 	if ((xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) &&  in xhci_handle_stopped_cmd_ring()
424 	union xhci_trb *new_deq		= xhci->cmd_ring->dequeue;  in xhci_abort_cmd_ring()
667 	new_deq = ep_ring->dequeue;  in xhci_move_dequeue_past_td()
693 		if (new_deq == ep->ring->dequeue) {  in xhci_move_dequeue_past_td()
1283 	dequeue_temp = ep_ring->dequeue;  in update_ring_for_set_deq_completion()
1291 	if (trb_is_link(ep_ring->dequeue)) {  in update_ring_for_set_deq_completion()
1293 		ep_ring->dequeue = ep_ring->deq_seg->trbs;  in update_ring_for_set_deq_completion()
1296 	while (ep_ring->dequeue != dev->eps[ep_index].queued_deq_ptr) {  in update_ring_for_set_deq_completion()
1298 		ep_ring->dequeue++;  in update_ring_for_set_deq_completion()
1299 		if (trb_is_link(ep_ring->dequeue)) {  in update_ring_for_set_deq_completion()
1300 			if (ep_ring->dequeue ==  in update_ring_for_set_deq_completion()
1304 			ep_ring->dequeue = ep_ring->deq_seg->trbs;  in update_ring_for_set_deq_completion()
1306 		if (ep_ring->dequeue == dequeue_temp) {  in update_ring_for_set_deq_completion()
1680 	cmd_trb = xhci->cmd_ring->dequeue;  in handle_cmd_completion()
1708 	if (cmd->command_trb != xhci->cmd_ring->dequeue) {  in handle_cmd_completion()
2234 	ep_ring->dequeue = td->last_trb;  in finish_td()
2246 	union xhci_trb *trb = ring->dequeue;  in sum_trb_lengths()
2455 	ep->ring->dequeue = td->last_trb;  in skip_isoc_td()
2795 		ep_seg = trb_in_td(xhci, ep_ring->deq_seg, ep_ring->dequeue,  in handle_tx_event()
2830 					  ep_ring->dequeue, td->last_trb,  in handle_tx_event()
2908 			 ir->event_ring->dequeue),  in handle_tx_event()
2930 	if (!ir || !ir->event_ring || !ir->event_ring->dequeue) {  in xhci_handle_event()
2935 	event = ir->event_ring->dequeue;  in xhci_handle_event()
3007 	if (event_ring_deq != ir->event_ring->dequeue) {  in xhci_update_erst_dequeue()
3009 				ir->event_ring->dequeue);  in xhci_update_erst_dequeue()
3101 	event_ring_deq = ir->event_ring->dequeue;  in xhci_irq()
3109 		event_ring_deq = ir->event_ring->dequeue;  in xhci_irq()