76 dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg,  in xhci_trb_virt_to_dma()  argument
81 	if (!seg || !trb || trb < seg->trbs)  in xhci_trb_virt_to_dma()
84 	segment_offset = trb - seg->trbs;  in xhci_trb_virt_to_dma()
87 	return seg->dma + (segment_offset * sizeof(*trb));  in xhci_trb_virt_to_dma()
94 		struct xhci_segment *seg, union xhci_trb *trb)  in last_trb_on_last_seg()  argument
97 		return (trb == &seg->trbs[TRBS_PER_SEGMENT]) &&  in last_trb_on_last_seg()
98 			(seg->next == xhci->event_ring->first_seg);  in last_trb_on_last_seg()
108 		struct xhci_segment *seg, union xhci_trb *trb)  in last_trb()  argument
111 		return trb == &seg->trbs[TRBS_PER_SEGMENT];  in last_trb()
128 		struct xhci_segment **seg,  in next_trb()  argument
131 	if (last_trb(xhci, ring, *seg, *trb)) {  in next_trb()
132 		*seg = (*seg)->next;  in next_trb()
133 		*trb = ((*seg)->trbs);  in next_trb()