558 						p.qh->period,  in fill_periodic_buffer()
2887 			qh->period = urb->interval >> 3;  in qh_make()
2888 			if (qh->period == 0 && urb->interval != 1) {  in qh_make()
2894 			} else if (qh->period > fotg210->periodic_size) {  in qh_make()
2895 				qh->period = fotg210->periodic_size;  in qh_make()
2896 				urb->interval = qh->period << 3;  in qh_make()
2918 			qh->period = urb->interval;  in qh_make()
2919 			if (qh->period > fotg210->periodic_size) {  in qh_make()
2920 				qh->period = fotg210->periodic_size;  in qh_make()
2921 				urb->interval = qh->period;  in qh_make()
3553 	unsigned		period,  in tt_no_collision()  argument
3559 	if (period == 0)	/* error */  in tt_no_collision()
3566 	for (; frame < fotg210->periodic_size; frame += period) {  in tt_no_collision()
3646 	unsigned	period = qh->period;  in qh_link_periodic()  local
3650 		period, hc32_to_cpup(fotg210, &qh->hw->hw_info2)  in qh_link_periodic()
3655 	if (period == 0)  in qh_link_periodic()
3656 		period = 1;  in qh_link_periodic()
3658 	for (i = qh->start; i < fotg210->periodic_size; i += period) {  in qh_link_periodic()
3678 			if (qh->period > here.qh->period)  in qh_link_periodic()
3698 	fotg210_to_hcd(fotg210)->self.bandwidth_allocated += qh->period  in qh_link_periodic()
3699 		? ((qh->usecs + qh->c_usecs) / qh->period)  in qh_link_periodic()
3713 	unsigned	period;  in qh_unlink_periodic()  local
3731 	period = qh->period;  in qh_unlink_periodic()
3732 	if (!period)  in qh_unlink_periodic()
3733 		period = 1;  in qh_unlink_periodic()
3735 	for (i = qh->start; i < fotg210->periodic_size; i += period)  in qh_unlink_periodic()
3739 	fotg210_to_hcd(fotg210)->self.bandwidth_allocated -= qh->period  in qh_unlink_periodic()
3740 		? ((qh->usecs + qh->c_usecs) / qh->period)  in qh_unlink_periodic()
3745 		qh->period,  in qh_unlink_periodic()
3839 	unsigned	period,  in check_period()  argument
3856 	if (unlikely(period == 0)) {  in check_period()
3872 		} while ((frame += period) < fotg210->periodic_size);  in check_period()
3893 	if (!check_period(fotg210, frame, uframe, qh->period, qh->usecs))  in check_intr_schedule()
3912 	if (tt_no_collision(fotg210, qh->period, qh->dev, frame, mask)) {  in check_intr_schedule()
3914 					qh->period, qh->c_usecs))  in check_intr_schedule()
3917 					qh->period, qh->c_usecs))  in check_intr_schedule()
3941 	if (frame < qh->period) {  in qh_schedule()
3956 		if (qh->period) {  in qh_schedule()
3959 			for (i = qh->period; status && i > 0; --i) {  in qh_schedule()
3960 				frame = ++fotg210->random_frame % qh->period;  in qh_schedule()
3982 		hw->hw_info2 |= qh->period  in qh_schedule()
4341 	u32			period  in itd_slot_ok()  argument
4344 	uframe %= period;  in itd_slot_ok()
4352 		uframe += period;  in itd_slot_ok()
4377 	u32			now, next, start, period, span;  in iso_stream_schedule()  local
4382 	period = urb->interval;  in iso_stream_schedule()
4415 		excess = (stream->next_uframe - period - next) & (mod - 1);  in iso_stream_schedule()
4417 			start = next + excess - mod + period *  in iso_stream_schedule()
4418 					DIV_ROUND_UP(mod - excess, period);  in iso_stream_schedule()
4420 			start = next + excess + period;  in iso_stream_schedule()
4423 					urb, start - now - period, period,  in iso_stream_schedule()
4448 		start += period;  in iso_stream_schedule()
4453 					stream->usecs, period))  in iso_stream_schedule()
4467 	if (unlikely(start - now + span - period  in iso_stream_schedule()
4470 				urb, start - now, span - period,  in iso_stream_schedule()