2903 	int num_sgs, num_trbs, running_total, temp, i;  in count_sg_trbs_needed()  local
2915 		running_total = TRB_MAX_BUFF_SIZE -  in count_sg_trbs_needed()
2917 		running_total &= TRB_MAX_BUFF_SIZE - 1;  in count_sg_trbs_needed()
2918 		if (running_total != 0)  in count_sg_trbs_needed()
2922 		while (running_total < sg_dma_len(sg) && running_total < temp) {  in count_sg_trbs_needed()
2924 			running_total += TRB_MAX_BUFF_SIZE;  in count_sg_trbs_needed()
2934 static void check_trb_math(struct urb *urb, int num_trbs, int running_total)  in check_trb_math()  argument
2940 	if (running_total != urb->transfer_buffer_length)  in check_trb_math()
2945 				running_total, running_total,  in check_trb_math()
3054 	int trb_buff_len, this_sg_len, running_total, ret;  in queue_bulk_sg_tx()  local
3105 	running_total = 0;  in queue_bulk_sg_tx()
3166 		remainder = xhci_td_remainder(xhci, running_total, trb_buff_len,  in queue_bulk_sg_tx()
3184 		running_total += trb_buff_len;  in queue_bulk_sg_tx()
3204 		if (running_total + trb_buff_len > urb->transfer_buffer_length)  in queue_bulk_sg_tx()
3206 				urb->transfer_buffer_length - running_total;  in queue_bulk_sg_tx()
3209 	check_trb_math(urb, num_trbs, running_total);  in queue_bulk_sg_tx()
3231 	int running_total, trb_buff_len, ret;  in xhci_queue_bulk_tx()  local
3244 	running_total = TRB_MAX_BUFF_SIZE -  in xhci_queue_bulk_tx()
3246 	running_total &= TRB_MAX_BUFF_SIZE - 1;  in xhci_queue_bulk_tx()
3251 	if (running_total != 0 || urb->transfer_buffer_length == 0)  in xhci_queue_bulk_tx()
3254 	while (running_total < urb->transfer_buffer_length) {  in xhci_queue_bulk_tx()
3256 		running_total += TRB_MAX_BUFF_SIZE;  in xhci_queue_bulk_tx()
3290 	running_total = 0;  in xhci_queue_bulk_tx()
3334 		remainder = xhci_td_remainder(xhci, running_total, trb_buff_len,  in xhci_queue_bulk_tx()
3352 		running_total += trb_buff_len;  in xhci_queue_bulk_tx()
3356 		trb_buff_len = urb->transfer_buffer_length - running_total;  in xhci_queue_bulk_tx()
3361 	check_trb_math(urb, num_trbs, running_total);  in xhci_queue_bulk_tx()
3576 	int running_total, trb_buff_len, td_len, td_remain_len, ret;  in xhci_queue_isoc_tx()  local
3601 		running_total = 0;  in xhci_queue_isoc_tx()
3681 			remainder = xhci_td_remainder(xhci, running_total,  in xhci_queue_isoc_tx()
3694 			running_total += trb_buff_len;  in xhci_queue_isoc_tx()
3701 		if (running_total != td_len) {  in xhci_queue_isoc_tx()