255 		struct s3c2410_request *req, int status)  in s3c2410_udc_done()  argument
259 	list_del_init(&req->queue);  in s3c2410_udc_done()
261 	if (likely(req->req.status == -EINPROGRESS))  in s3c2410_udc_done()
262 		req->req.status = status;  in s3c2410_udc_done()
264 		status = req->req.status;  in s3c2410_udc_done()
267 	usb_gadget_giveback_request(&ep->ep, &req->req);  in s3c2410_udc_done()
279 		struct s3c2410_request *req;  in s3c2410_udc_nuke()  local
280 		req = list_entry(ep->queue.next, struct s3c2410_request,  in s3c2410_udc_nuke()
282 		s3c2410_udc_done(ep, req, status);  in s3c2410_udc_nuke()
299 		struct s3c2410_request *req,  in s3c2410_udc_write_packet()  argument
302 	unsigned len = min(req->req.length - req->req.actual, max);  in s3c2410_udc_write_packet()
303 	u8 *buf = req->req.buf + req->req.actual;  in s3c2410_udc_write_packet()
308 		req->req.actual, req->req.length, len, req->req.actual + len);  in s3c2410_udc_write_packet()
310 	req->req.actual += len;  in s3c2410_udc_write_packet()
323 		struct s3c2410_request *req)  in s3c2410_udc_write_fifo()  argument
352 	count = s3c2410_udc_write_packet(fifo_reg, req, ep->ep.maxpacket);  in s3c2410_udc_write_fifo()
357 	else if (req->req.length != req->req.actual || req->req.zero)  in s3c2410_udc_write_fifo()
366 			idx, count, req->req.actual, req->req.length,  in s3c2410_udc_write_fifo()
367 			is_last, req->req.zero);  in s3c2410_udc_write_fifo()
387 		s3c2410_udc_done(ep, req, 0);  in s3c2410_udc_write_fifo()
408 		struct s3c2410_request *req, unsigned avail)  in s3c2410_udc_read_packet()  argument
412 	len = min(req->req.length - req->req.actual, avail);  in s3c2410_udc_read_packet()
413 	req->req.actual += len;  in s3c2410_udc_read_packet()
423 				 struct s3c2410_request *req)  in s3c2410_udc_read_fifo()  argument
456 	if (!req->req.length)  in s3c2410_udc_read_fifo()
459 	buf = req->req.buf + req->req.actual;  in s3c2410_udc_read_fifo()
460 	bufferspace = req->req.length - req->req.actual;  in s3c2410_udc_read_fifo()
476 	fifo_count = s3c2410_udc_read_packet(fifo_reg, buf, req, avail);  in s3c2410_udc_read_fifo()
485 			req->req.status = -EOVERFLOW;  in s3c2410_udc_read_fifo()
487 		is_last = (req->req.length <= req->req.actual) ? 1 : 0;  in s3c2410_udc_read_fifo()
510 		s3c2410_udc_done(ep, req, 0);  in s3c2410_udc_read_fifo()
745 	struct s3c2410_request	*req;  in s3c2410_udc_handle_ep0()  local
749 		req = NULL;  in s3c2410_udc_handle_ep0()
751 		req = list_entry(ep->queue.next, struct s3c2410_request, queue);  in s3c2410_udc_handle_ep0()
786 		if (!(ep0csr & S3C2410_UDC_EP0_CSR_IPKRDY) && req)  in s3c2410_udc_handle_ep0()
787 			s3c2410_udc_write_fifo(ep, req);  in s3c2410_udc_handle_ep0()
792 		if ((ep0csr & S3C2410_UDC_EP0_CSR_OPKRDY) && req)  in s3c2410_udc_handle_ep0()
793 			s3c2410_udc_read_fifo(ep, req);  in s3c2410_udc_handle_ep0()
814 	struct s3c2410_request	*req;  in s3c2410_udc_handle_ep()  local
820 		req = list_entry(ep->queue.next,  in s3c2410_udc_handle_ep()
823 		req = NULL;  in s3c2410_udc_handle_ep()
831 			idx, ep_csr1, req ? 1 : 0);  in s3c2410_udc_handle_ep()
841 		if (!(ep_csr1 & S3C2410_UDC_ICSR1_PKTRDY) && req)  in s3c2410_udc_handle_ep()
842 			s3c2410_udc_write_fifo(ep, req);  in s3c2410_udc_handle_ep()
855 		if ((ep_csr1 & S3C2410_UDC_OCSR1_PKTRDY) && req)  in s3c2410_udc_handle_ep()
856 			s3c2410_udc_read_fifo(ep, req);  in s3c2410_udc_handle_ep()
1023 static inline struct s3c2410_request *to_s3c2410_req(struct usb_request *req)  in to_s3c2410_req()  argument
1025 	return container_of(req, struct s3c2410_request, req);  in to_s3c2410_req()
1149 	struct s3c2410_request *req;  in s3c2410_udc_alloc_request()  local
1156 	req = kzalloc(sizeof(struct s3c2410_request), mem_flags);  in s3c2410_udc_alloc_request()
1157 	if (!req)  in s3c2410_udc_alloc_request()
1160 	INIT_LIST_HEAD(&req->queue);  in s3c2410_udc_alloc_request()
1161 	return &req->req;  in s3c2410_udc_alloc_request()
1171 	struct s3c2410_request	*req = to_s3c2410_req(_req);  in s3c2410_udc_free_request()  local
1178 	WARN_ON(!list_empty(&req->queue));  in s3c2410_udc_free_request()
1179 	kfree(req);  in s3c2410_udc_free_request()
1188 	struct s3c2410_request	*req = to_s3c2410_req(_req);  in s3c2410_udc_queue()  local
1209 			|| !_req->buf || !list_empty(&req->queue))) {  in s3c2410_udc_queue()
1215 				!list_empty(&req->queue));  in s3c2410_udc_queue()
1248 							req)) {  in s3c2410_udc_queue()
1250 					req = NULL;  in s3c2410_udc_queue()
1258 							req))) {  in s3c2410_udc_queue()
1260 					req = NULL;  in s3c2410_udc_queue()
1270 				&& s3c2410_udc_write_fifo(ep, req)) {  in s3c2410_udc_queue()
1271 			req = NULL;  in s3c2410_udc_queue()
1274 				&& s3c2410_udc_read_fifo(ep, req)) {  in s3c2410_udc_queue()
1275 			req = NULL;  in s3c2410_udc_queue()
1280 	if (likely(req))  in s3c2410_udc_queue()
1281 		list_add_tail(&req->queue, &ep->queue);  in s3c2410_udc_queue()
1298 	struct s3c2410_request	*req = NULL;  in s3c2410_udc_dequeue()  local
1312 	list_for_each_entry(req, &ep->queue, queue) {  in s3c2410_udc_dequeue()
1313 		if (&req->req == _req) {  in s3c2410_udc_dequeue()
1314 			list_del_init(&req->queue);  in s3c2410_udc_dequeue()
1324 			req, _ep->name, _req->length, _req->buf);  in s3c2410_udc_dequeue()
1326 		s3c2410_udc_done(ep, req, -ECONNRESET);  in s3c2410_udc_dequeue()