Cross Reference: /drivers/usb/gadget/f

Lines Matching defs:req
94 static void f_midi_transmit(struct f_midi *midi, struct usb_request *req);
197 	struct usb_request *req;
199 	req = usb_ep_alloc_request(ep, GFP_ATOMIC);
200 	if (req) {
201 		req->length = length;
202 		req->buf = kmalloc(length, GFP_ATOMIC);
203 		if (!req->buf) {
204 			usb_ep_free_request(ep, req);
205 			req = NULL;
208 	return req;
211 static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
213 	kfree(req->buf);
214 	usb_ep_free_request(ep, req);
240 static void f_midi_handle_out_data(struct usb_ep *ep, struct usb_request *req)
243 	u8 *buf = req->buf;
245 	for (i = 0; i + 3 < req->actual; i += 4)
254 f_midi_complete(struct usb_ep *ep, struct usb_request *req)
258 	int status = req->status;
263 			/* We received stuff. req is queued again, below */
264 			f_midi_handle_out_data(ep, req);
267 			 * f_midi_transmit eats req, don't queue it again. */
268 			f_midi_transmit(midi, req);
278 				req->actual, req->length);
280 			f_midi_handle_out_data(ep, req);
282 		free_ep_req(ep, req);
290 				status, req->actual, req->length);
296 	status = usb_ep_queue(ep, req, GFP_ATOMIC);
299 				ep->name, req->length, status);
368 		struct usb_request *req =
370 		if (req == NULL)
373 		req->complete = f_midi_complete;
374 		err = usb_ep_queue(midi->out_ep, req, GFP_ATOMIC);
376 			ERROR(midi, "%s queue req: %d\n",
427 static void f_midi_transmit_packet(struct usb_request *req, uint8_t p0,
430 	unsigned length = req->length;
431 	u8 *buf = (u8 *)req->buf + length;
437 	req->length = length + 4;
443 static void f_midi_transmit_byte(struct usb_request *req,
449 		f_midi_transmit_packet(req, p0 | 0x0f, b, 0, 0);
470 			f_midi_transmit_packet(req, p0 | 0x05, 0xf6, 0, 0);
476 				f_midi_transmit_packet(req,
480 				f_midi_transmit_packet(req,
484 				f_midi_transmit_packet(req,
507 			f_midi_transmit_packet(req, p0, port->data[0], b, 0);
521 			f_midi_transmit_packet(req,
533 			f_midi_transmit_packet(req,
541 static void f_midi_transmit(struct f_midi *midi, struct usb_request *req)
549 	if (!req)
550 		req = alloc_ep_req(ep, midi->buflen);
552 	if (!req) {
556 	req->length = 0;
557 	req->complete = f_midi_complete;
566 		while (req->length + 3 < midi->buflen) {
572 			f_midi_transmit_byte(req, port, b);
576 	if (req->length > 0)
577 		usb_ep_queue(ep, req, GFP_ATOMIC);
579 		free_ep_req(ep, req);