2942 	int num_sgs, num_trbs, running_total, temp, i;  in count_sg_trbs_needed()  local
2954 		running_total = TRB_MAX_BUFF_SIZE -  in count_sg_trbs_needed()
2956 		running_total &= TRB_MAX_BUFF_SIZE - 1;  in count_sg_trbs_needed()
2957 		if (running_total != 0)  in count_sg_trbs_needed()
2961 		while (running_total < sg_dma_len(sg) && running_total < temp) {  in count_sg_trbs_needed()
2963 			running_total += TRB_MAX_BUFF_SIZE;  in count_sg_trbs_needed()
2973 static void check_trb_math(struct urb *urb, int num_trbs, int running_total)  in check_trb_math()  argument
2979 	if (running_total != urb->transfer_buffer_length)  in check_trb_math()
2984 				running_total, running_total,  in check_trb_math()
3093 	int trb_buff_len, this_sg_len, running_total, ret;  in queue_bulk_sg_tx()  local
3144 	running_total = 0;  in queue_bulk_sg_tx()
3205 		remainder = xhci_td_remainder(xhci, running_total, trb_buff_len,  in queue_bulk_sg_tx()
3223 		running_total += trb_buff_len;  in queue_bulk_sg_tx()
3243 		if (running_total + trb_buff_len > urb->transfer_buffer_length)  in queue_bulk_sg_tx()
3245 				urb->transfer_buffer_length - running_total;  in queue_bulk_sg_tx()
3248 	check_trb_math(urb, num_trbs, running_total);  in queue_bulk_sg_tx()
3270 	int running_total, trb_buff_len, ret;  in xhci_queue_bulk_tx()  local
3283 	running_total = TRB_MAX_BUFF_SIZE -  in xhci_queue_bulk_tx()
3285 	running_total &= TRB_MAX_BUFF_SIZE - 1;  in xhci_queue_bulk_tx()
3290 	if (running_total != 0 || urb->transfer_buffer_length == 0)  in xhci_queue_bulk_tx()
3293 	while (running_total < urb->transfer_buffer_length) {  in xhci_queue_bulk_tx()
3295 		running_total += TRB_MAX_BUFF_SIZE;  in xhci_queue_bulk_tx()
3329 	running_total = 0;  in xhci_queue_bulk_tx()
3373 		remainder = xhci_td_remainder(xhci, running_total, trb_buff_len,  in xhci_queue_bulk_tx()
3391 		running_total += trb_buff_len;  in xhci_queue_bulk_tx()
3395 		trb_buff_len = urb->transfer_buffer_length - running_total;  in xhci_queue_bulk_tx()
3400 	check_trb_math(urb, num_trbs, running_total);  in xhci_queue_bulk_tx()
3706 	int running_total, trb_buff_len, td_len, td_remain_len, ret;  in xhci_queue_isoc_tx()  local
3733 		running_total = 0;  in xhci_queue_isoc_tx()
3826 			remainder = xhci_td_remainder(xhci, running_total,  in xhci_queue_isoc_tx()
3839 			running_total += trb_buff_len;  in xhci_queue_isoc_tx()
3846 		if (running_total != td_len) {  in xhci_queue_isoc_tx()