67 		union xhci_trb *trb)  in xhci_trb_virt_to_dma()  argument
71 	if (!seg || !trb || trb < seg->trbs)  in xhci_trb_virt_to_dma()
74 	segment_offset = trb - seg->trbs;  in xhci_trb_virt_to_dma()
77 	return seg->dma + (segment_offset * sizeof(*trb));  in xhci_trb_virt_to_dma()
80 static bool trb_is_noop(union xhci_trb *trb)  in trb_is_noop()  argument
82 	return TRB_TYPE_NOOP_LE32(trb->generic.field[3]);  in trb_is_noop()
85 static bool trb_is_link(union xhci_trb *trb)  in trb_is_link()  argument
87 	return TRB_TYPE_LINK_LE32(trb->link.control);  in trb_is_link()
90 static bool last_trb_on_seg(struct xhci_segment *seg, union xhci_trb *trb)  in last_trb_on_seg()  argument
92 	return trb == &seg->trbs[TRBS_PER_SEGMENT - 1];  in last_trb_on_seg()
96 			struct xhci_segment *seg, union xhci_trb *trb)  in last_trb_on_ring()  argument
98 	return last_trb_on_seg(seg, trb) && (seg->next == ring->first_seg);  in last_trb_on_ring()
101 static bool link_trb_toggles_cycle(union xhci_trb *trb)  in link_trb_toggles_cycle()  argument
103 	return le32_to_cpu(trb->link.control) & LINK_TOGGLE;  in link_trb_toggles_cycle()
120 static void trb_to_noop(union xhci_trb *trb, u32 noop_type)  in trb_to_noop()  argument
122 	if (trb_is_link(trb)) {  in trb_to_noop()
124 		trb->link.control &= cpu_to_le32(~TRB_CHAIN);  in trb_to_noop()
126 		trb->generic.field[0] = 0;  in trb_to_noop()
127 		trb->generic.field[1] = 0;  in trb_to_noop()
128 		trb->generic.field[2] = 0;  in trb_to_noop()
130 		trb->generic.field[3] &= cpu_to_le32(TRB_CYCLE);  in trb_to_noop()
131 		trb->generic.field[3] |= cpu_to_le32(TRB_TYPE(noop_type));  in trb_to_noop()
142 		union xhci_trb **trb)  in next_trb()  argument
144 	if (trb_is_link(*trb)) {  in next_trb()
146 		*trb = ((*seg)->trbs);  in next_trb()
148 		(*trb)++;  in next_trb()
610 	union xhci_trb *trb		= td->first_trb;  in td_to_noop()  local
613 		trb_to_noop(trb, TRB_TR_NOOP);  in td_to_noop()
616 		if (flip_cycle && trb != td->first_trb && trb != td->last_trb)  in td_to_noop()
617 			trb->generic.field[3] ^= cpu_to_le32(TRB_CYCLE);  in td_to_noop()
619 		if (trb == td->last_trb)  in td_to_noop()
622 		next_trb(xhci, ep_ring, &seg, &trb);  in td_to_noop()
700 		union xhci_trb *trb, struct xhci_event_cmd *event)  in xhci_handle_cmd_stop_ep()  argument
712 	if (unlikely(TRB_TO_SUSPEND_PORT(le32_to_cpu(trb->generic.field[3])))) {  in xhci_handle_cmd_stop_ep()
721 	ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));  in xhci_handle_cmd_stop_ep()
1036 		union xhci_trb *trb, u32 cmd_comp_code)  in xhci_handle_cmd_set_deq()  argument
1046 	ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));  in xhci_handle_cmd_set_deq()
1047 	stream_id = TRB_TO_STREAM_ID(le32_to_cpu(trb->generic.field[2]));  in xhci_handle_cmd_set_deq()
1131 		union xhci_trb *trb, u32 cmd_comp_code)  in xhci_handle_cmd_reset_ep()  argument
1137 	ep_index = TRB_TO_EP_INDEX(le32_to_cpu(trb->generic.field[3]));  in xhci_handle_cmd_reset_ep()
1171 	if ((le32_to_cpu(trb->generic.field[3])) & TRB_TSP)  in xhci_handle_cmd_reset_ep()
1995 	union xhci_trb *trb = ring->dequeue;  in sum_trb_lengths()  local
1998 	for (sum = 0; trb != stop_trb; next_trb(xhci, ring, &seg, &trb)) {  in sum_trb_lengths()
1999 		if (!trb_is_noop(trb) && !trb_is_link(trb))  in sum_trb_lengths()
2000 			sum += TRB_LEN(le32_to_cpu(trb->generic.field[2]));  in sum_trb_lengths()
2854 	struct xhci_generic_trb *trb;  in queue_trb()  local
2856 	trb = &ring->enqueue->generic;  in queue_trb()
2857 	trb->field[0] = cpu_to_le32(field1);  in queue_trb()
2858 	trb->field[1] = cpu_to_le32(field2);  in queue_trb()
2859 	trb->field[2] = cpu_to_le32(field3);  in queue_trb()
2860 	trb->field[3] = cpu_to_le32(field4);  in queue_trb()
2862 	trace_xhci_queue_trb(ring, trb);  in queue_trb()