71 static void done(struct at91_ep *ep, struct at91_request *req, int status)  in done()  argument
76 	list_del_init(&req->queue);  in done()
77 	if (req->req.status == -EINPROGRESS)  in done()
78 		req->req.status = status;  in done()
80 		status = req->req.status;  in done()
82 		VDBG("%s done %p, status %d\n", ep->ep.name, req, status);  in done()
86 	req->req.complete(&ep->ep, &req->req);  in done()
122 static int read_fifo (struct at91_ep *ep, struct at91_request *req)  in read_fifo()  argument
130 	buf = req->req.buf + req->req.actual;  in read_fifo()
131 	bufferspace = req->req.length - req->req.actual;  in read_fifo()
147 		req->req.status = -EOVERFLOW;  in read_fifo()
166 	req->req.actual += count;  in read_fifo()
171 	PACKET("%s %p out/%d%s\n", ep->ep.name, &req->req, count,  in read_fifo()
179 		done(ep, req, 0);  in read_fifo()
197 static int write_fifo(struct at91_ep *ep, struct at91_request *req)  in write_fifo()  argument
228 	buf = req->req.buf + req->req.actual;  in write_fifo()
230 	total = req->req.length - req->req.actual;  in write_fifo()
236 		is_last = (count < ep->ep.maxpacket) || !req->req.zero;  in write_fifo()
256 	req->req.actual += count;  in write_fifo()
258 	PACKET("%s %p in/%d%s\n", ep->ep.name, &req->req, count,  in write_fifo()
261 		done(ep, req, 0);  in write_fifo()
267 	struct at91_request *req;  in nuke()  local
276 		req = list_entry(ep->queue.next, struct at91_request, queue);  in nuke()
277 		done(ep, req, status);  in nuke()
397 	struct at91_request *req;  in at91_ep_alloc_request()  local
399 	req = kzalloc(sizeof (struct at91_request), gfp_flags);  in at91_ep_alloc_request()
400 	if (!req)  in at91_ep_alloc_request()
403 	INIT_LIST_HEAD(&req->queue);  in at91_ep_alloc_request()
404 	return &req->req;  in at91_ep_alloc_request()
409 	struct at91_request *req;  in at91_ep_free_request()  local
411 	req = container_of(_req, struct at91_request, req);  in at91_ep_free_request()
412 	BUG_ON(!list_empty(&req->queue));  in at91_ep_free_request()
413 	kfree(req);  in at91_ep_free_request()
419 	struct at91_request	*req;  in at91_ep_queue()  local
425 	req = container_of(_req, struct at91_request, req);  in at91_ep_queue()
429 			|| !_req->buf || !list_empty(&req->queue)) {  in at91_ep_queue()
482 			if (req->req.length == 0) {  in at91_ep_queue()
496 			status = write_fifo(ep, req);  in at91_ep_queue()
498 			status = read_fifo(ep, req);  in at91_ep_queue()
507 	if (req && !status) {  in at91_ep_queue()
508 		list_add_tail (&req->queue, &ep->queue);  in at91_ep_queue()
519 	struct at91_request	*req;  in at91_ep_dequeue()  local
529 	list_for_each_entry (req, &ep->queue, queue) {  in at91_ep_dequeue()
530 		if (&req->req == _req)  in at91_ep_dequeue()
533 	if (&req->req != _req) {  in at91_ep_dequeue()
538 	done(ep, req, -ECONNRESET);  in at91_ep_dequeue()
809 	struct at91_request	*req;  in handle_ep()  local
814 		req = list_entry(ep->queue.next,  in handle_ep()
817 		req = NULL;  in handle_ep()
825 		if (req)  in handle_ep()
826 			return write_fifo(ep, req);  in handle_ep()
831 			if (ep->is_iso && req)  in handle_ep()
832 				req->req.status = -EILSEQ;  in handle_ep()
838 		if (req && (csr & RX_DATA_READY))  in handle_ep()
839 			return read_fifo(ep, req);  in handle_ep()
1080 	struct at91_request	*req;  in handle_ep0()  local
1099 		req = NULL;  in handle_ep0()
1101 		req = list_entry(ep0->queue.next, struct at91_request, queue);  in handle_ep0()
1109 		if (req && ep0->is_in) {  in handle_ep0()
1153 			if (req) {  in handle_ep0()
1192 			if (req)  in handle_ep0()
1193 				done(ep0, req, 0);  in handle_ep0()