315 	unsigned		period,  in tt_available()  argument
322 	if ((period == 0) || (uframe >= 7))	/* error */  in tt_available()
325 	for (; frame < ehci->periodic_size; frame += period) {  in tt_available()
384 	unsigned		period,  in tt_no_collision()  argument
390 	if (period == 0)	/* error */  in tt_no_collision()
397 	for (; frame < ehci->periodic_size; frame += period) {  in tt_no_collision()
492 	unsigned	period = qh->period;  in qh_link_periodic()  local
496 		period, hc32_to_cpup(ehci, &qh->hw->hw_info2)  in qh_link_periodic()
501 	if (period == 0)  in qh_link_periodic()
502 		period = 1;  in qh_link_periodic()
504 	for (i = qh->start; i < ehci->periodic_size; i += period) {  in qh_link_periodic()
524 			if (qh->period > here.qh->period)  in qh_link_periodic()
545 	ehci_to_hcd(ehci)->self.bandwidth_allocated += qh->period  in qh_link_periodic()
546 		? ((qh->usecs + qh->c_usecs) / qh->period)  in qh_link_periodic()
559 	unsigned	period;  in qh_unlink_periodic()  local
577 	if ((period = qh->period) == 0)  in qh_unlink_periodic()
578 		period = 1;  in qh_unlink_periodic()
580 	for (i = qh->start; i < ehci->periodic_size; i += period)  in qh_unlink_periodic()
584 	ehci_to_hcd(ehci)->self.bandwidth_allocated -= qh->period  in qh_unlink_periodic()
585 		? ((qh->usecs + qh->c_usecs) / qh->period)  in qh_unlink_periodic()
590 		qh->period,  in qh_unlink_periodic()
677 	unsigned	period,  in check_period()  argument
694 	if (unlikely (period == 0)) {  in check_period()
709 		} while ((frame += period) < ehci->periodic_size);  in check_period()
730 	if (!check_period (ehci, frame, uframe, qh->period, qh->usecs))  in check_intr_schedule()
739 	if (tt_available (ehci, qh->period, qh->dev, frame, uframe,  in check_intr_schedule()
746 						qh->period, qh->c_usecs))  in check_intr_schedule()
767 	if (tt_no_collision (ehci, qh->period, qh->dev, frame, mask)) {  in check_intr_schedule()
769 					qh->period, qh->c_usecs))  in check_intr_schedule()
772 					qh->period, qh->c_usecs))  in check_intr_schedule()
796 	if (frame < qh->period) {  in qh_schedule()
811 		if (qh->period) {  in qh_schedule()
814 			for (i = qh->period; status && i > 0; --i) {  in qh_schedule()
815 				frame = ++ehci->random_frame % qh->period;  in qh_schedule()
836 		hw->hw_info2 |= qh->period  in qh_schedule()
1233 	u32			period  in itd_slot_ok()  argument
1236 	uframe %= period;  in itd_slot_ok()
1244 		uframe += period;  in itd_slot_ok()
1348 	u32			now, base, next, start, period, span;  in iso_stream_schedule()  local
1353 	period = urb->interval;  in iso_stream_schedule()
1356 		period <<= 3;  in iso_stream_schedule()
1384 		if (unlikely(start < period)) {  in iso_stream_schedule()
1387 					period, mod);  in iso_stream_schedule()
1397 				start += (next - start + period - 1) & -period;  in iso_stream_schedule()
1403 			else if (start + span - period < next) {  in iso_stream_schedule()
1406 						span - period, next + base);  in iso_stream_schedule()
1433 		start += period;  in iso_stream_schedule()
1439 						stream->usecs, period))  in iso_stream_schedule()
1445 						start, sched, period))  in iso_stream_schedule()
1459 	if (unlikely(start - base + span - period >= mod)) {  in iso_stream_schedule()
1461 				urb, start - base, span - period, mod);  in iso_stream_schedule()