2503 	int num_sgs, num_trbs, running_total, temp, i;  in count_sg_trbs_needed()  local
2517 		running_total = TRB_MAX_BUFF_SIZE -  in count_sg_trbs_needed()
2519 		running_total &= TRB_MAX_BUFF_SIZE - 1;  in count_sg_trbs_needed()
2520 		if (running_total != 0)  in count_sg_trbs_needed()
2524 		while (running_total < sg_dma_len(sg) && running_total < temp) {  in count_sg_trbs_needed()
2526 			running_total += TRB_MAX_BUFF_SIZE;  in count_sg_trbs_needed()
2547 static void check_trb_math(struct urb *urb, int num_trbs, int running_total)  in check_trb_math()  argument
2553 	if (running_total != urb->transfer_buffer_length)  in check_trb_math()
2558 				running_total, running_total,  in check_trb_math()
2644 	int trb_buff_len, this_sg_len, running_total;  in queue_bulk_sg_tx()  local
2676 	running_total = 0;  in queue_bulk_sg_tx()
2734 				running_total) ;  in queue_bulk_sg_tx()
2753 		running_total += trb_buff_len;  in queue_bulk_sg_tx()
2773 		if (running_total + trb_buff_len > urb->transfer_buffer_length)  in queue_bulk_sg_tx()
2775 				urb->transfer_buffer_length - running_total;  in queue_bulk_sg_tx()
2776 	} while (running_total < urb->transfer_buffer_length);  in queue_bulk_sg_tx()
2778 	check_trb_math(urb, num_trbs, running_total);  in queue_bulk_sg_tx()
2798 	int running_total, trb_buff_len, ret;  in xhci_queue_bulk_tx()  local
2810 	running_total = TRB_MAX_BUFF_SIZE -  in xhci_queue_bulk_tx()
2812 	running_total &= TRB_MAX_BUFF_SIZE - 1;  in xhci_queue_bulk_tx()
2817 	if (running_total != 0 || urb->transfer_buffer_length == 0)  in xhci_queue_bulk_tx()
2820 	while (running_total < urb->transfer_buffer_length) {  in xhci_queue_bulk_tx()
2822 		running_total += TRB_MAX_BUFF_SIZE;  in xhci_queue_bulk_tx()
2852 	running_total = 0;  in xhci_queue_bulk_tx()
2886 				running_total);  in xhci_queue_bulk_tx()
2905 		running_total += trb_buff_len;  in xhci_queue_bulk_tx()
2909 		trb_buff_len = urb->transfer_buffer_length - running_total;  in xhci_queue_bulk_tx()
2912 	} while (running_total < urb->transfer_buffer_length);  in xhci_queue_bulk_tx()
2914 	check_trb_math(urb, num_trbs, running_total);  in xhci_queue_bulk_tx()
3030 	u64 addr, td_len, running_total;  in count_isoc_trbs_needed()  local
3035 	running_total = TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1));  in count_isoc_trbs_needed()
3036 	running_total &= TRB_MAX_BUFF_SIZE - 1;  in count_isoc_trbs_needed()
3037 	if (running_total != 0)  in count_isoc_trbs_needed()
3040 	while (running_total < td_len) {  in count_isoc_trbs_needed()
3042 		running_total += TRB_MAX_BUFF_SIZE;  in count_isoc_trbs_needed()
3060 	int running_total, trb_buff_len, td_len, td_remain_len, ret;  in xhci_queue_isoc_tx()  local
3090 		running_total = 0;  in xhci_queue_isoc_tx()
3145 			remainder = xhci_td_remainder(td_len - running_total);  in xhci_queue_isoc_tx()
3159 			running_total += trb_buff_len;  in xhci_queue_isoc_tx()
3166 		if (running_total != td_len) {  in xhci_queue_isoc_tx()