38 static void irq_ep0_write(struct m66592_ep *ep, struct m66592_request *req);
39 static void irq_packet_write(struct m66592_ep *ep, struct m66592_request *req);
44 		struct m66592_request *req, int status);
497 static void start_ep0_write(struct m66592_ep *ep, struct m66592_request *req)  in start_ep0_write()  argument
506 	if (req->req.length == 0) {  in start_ep0_write()
509 		transfer_complete(ep, req, 0);  in start_ep0_write()
512 		irq_ep0_write(ep, req);  in start_ep0_write()
516 static void start_packet_write(struct m66592_ep *ep, struct m66592_request *req)  in start_packet_write()  argument
529 		irq_packet_write(ep, req);  in start_packet_write()
532 static void start_packet_read(struct m66592_ep *ep, struct m66592_request *req)  in start_packet_read()  argument
550 				(req->req.length + ep->ep.maxpacket - 1)  in start_packet_read()
559 static void start_packet(struct m66592_ep *ep, struct m66592_request *req)  in start_packet()  argument
562 		start_packet_write(ep, req);  in start_packet()
564 		start_packet_read(ep, req);  in start_packet()
567 static void start_ep0(struct m66592_ep *ep, struct m66592_request *req)  in start_ep0()  argument
575 		start_ep0_write(ep, req);  in start_ep0()
578 		start_packet_read(ep, req);  in start_ep0()
709 		struct m66592_request *req, int status)  in transfer_complete()  argument
722 	list_del_init(&req->queue);  in transfer_complete()
724 		req->req.status = -ESHUTDOWN;  in transfer_complete()
726 		req->req.status = status;  in transfer_complete()
732 	usb_gadget_giveback_request(&ep->ep, &req->req);  in transfer_complete()
736 		req = list_entry(ep->queue.next, struct m66592_request, queue);  in transfer_complete()
738 			start_packet(ep, req);  in transfer_complete()
742 static void irq_ep0_write(struct m66592_ep *ep, struct m66592_request *req)  in irq_ep0_write()  argument
768 	buf = req->req.buf + req->req.actual;  in irq_ep0_write()
769 	size = min(bufsize, req->req.length - req->req.actual);  in irq_ep0_write()
772 	if (req->req.buf) {  in irq_ep0_write()
780 	req->req.actual += size;  in irq_ep0_write()
783 	if ((!req->req.zero && (req->req.actual == req->req.length))  in irq_ep0_write()
795 static void irq_packet_write(struct m66592_ep *ep, struct m66592_request *req)  in irq_packet_write()  argument
815 	buf = req->req.buf + req->req.actual;  in irq_packet_write()
816 	size = min(bufsize, req->req.length - req->req.actual);  in irq_packet_write()
819 	if (req->req.buf) {  in irq_packet_write()
829 	req->req.actual += size;  in irq_packet_write()
831 	if ((!req->req.zero && (req->req.actual == req->req.length))  in irq_packet_write()
842 static void irq_packet_read(struct m66592_ep *ep, struct m66592_request *req)  in irq_packet_read()  argument
855 		req->req.status = -EPIPE;  in irq_packet_read()
866 	buf = req->req.buf + req->req.actual;  in irq_packet_read()
867 	req_len = req->req.length - req->req.actual;  in irq_packet_read()
874 	req->req.actual += size;  in irq_packet_read()
877 	if ((!req->req.zero && (req->req.actual == req->req.length))  in irq_packet_read()
886 	if (req->req.buf) {  in irq_packet_read()
894 		transfer_complete(ep, req, 0);  in irq_packet_read()
902 	struct m66592_request *req;  in irq_pipe_ready()  local
910 		req = list_entry(ep->queue.next, struct m66592_request, queue);  in irq_pipe_ready()
911 		irq_packet_read(ep, req);  in irq_pipe_ready()
918 				req = list_entry(ep->queue.next,  in irq_pipe_ready()
921 					irq_packet_write(ep, req);  in irq_pipe_ready()
923 					irq_packet_read(ep, req);  in irq_pipe_ready()
935 	struct m66592_request *req;  in irq_pipe_empty()  local
941 		req = list_entry(ep->queue.next, struct m66592_request, queue);  in irq_pipe_empty()
942 		irq_ep0_write(ep, req);  in irq_pipe_empty()
954 					req = list_entry(ep->queue.next,  in irq_pipe_empty()
958 						transfer_complete(ep, req, 0);  in irq_pipe_empty()
1014 		struct m66592_request *req;  in clear_feature()  local
1023 		req = list_entry(ep->queue.next,  in clear_feature()
1029 			start_packet(ep, req);  in clear_feature()
1170 		struct m66592_request *req;  in irq_control_stage()  local
1172 		req = list_entry(ep->queue.next, struct m66592_request, queue);  in irq_control_stage()
1173 		transfer_complete(ep, req, 0);  in irq_control_stage()
1318 	struct m66592_request *req;  in m66592_disable()  local
1325 		req = list_entry(ep->queue.next, struct m66592_request, queue);  in m66592_disable()
1327 		transfer_complete(ep, req, -ECONNRESET);  in m66592_disable()
1338 	struct m66592_request *req;  in m66592_alloc_request()  local
1340 	req = kzalloc(sizeof(struct m66592_request), gfp_flags);  in m66592_alloc_request()
1341 	if (!req)  in m66592_alloc_request()
1344 	INIT_LIST_HEAD(&req->queue);  in m66592_alloc_request()
1346 	return &req->req;  in m66592_alloc_request()
1351 	struct m66592_request *req;  in m66592_free_request()  local
1353 	req = container_of(_req, struct m66592_request, req);  in m66592_free_request()
1354 	kfree(req);  in m66592_free_request()
1361 	struct m66592_request *req;  in m66592_queue()  local
1366 	req = container_of(_req, struct m66592_request, req);  in m66592_queue()
1376 	list_add_tail(&req->queue, &ep->queue);  in m66592_queue()
1377 	req->req.actual = 0;  in m66592_queue()
1378 	req->req.status = -EINPROGRESS;  in m66592_queue()
1381 		start_ep0(ep, req);  in m66592_queue()
1384 			start_packet(ep, req);  in m66592_queue()
1395 	struct m66592_request *req;  in m66592_dequeue()  local
1399 	req = container_of(_req, struct m66592_request, req);  in m66592_dequeue()
1403 		transfer_complete(ep, req, -ECONNRESET);  in m66592_dequeue()
1412 	struct m66592_request *req;  in m66592_set_halt()  local
1417 	req = list_entry(ep->queue.next, struct m66592_request, queue);  in m66592_set_halt()