usb/host/xhci-ring.c

435 	union xhci_trb *new_deq		= xhci->cmd_ring->dequeue;
451 	next_trb(xhci, NULL, &new_seg, &new_deq);
452 	if (trb_is_link(new_deq))
453 		next_trb(xhci, NULL, &new_seg, &new_deq);
455 	crcr = xhci_trb_virt_to_dma(new_seg, new_deq);
641 	union xhci_trb *new_deq;
667 			new_deq = ep_ring->enqueue;
679 	new_deq = ep_ring->dequeue;
689 		if (!cycle_found && xhci_trb_virt_to_dma(new_seg, new_deq)
695 		if (new_deq == td->last_trb)
698 		if (cycle_found && trb_is_link(new_deq) &&
699 		    link_trb_toggles_cycle(new_deq))
702 		next_trb(xhci, ep_ring, &new_seg, &new_deq);
705 		if (new_deq == ep->ring->dequeue) {
715 	addr = xhci_trb_virt_to_dma(new_seg, new_deq);
718 		xhci_warn(xhci, "deq seg = %p, deq ptr = %p\n", new_seg, new_deq);
747 	ep->queued_deq_ptr = new_deq;