198 static inline struct usb_request *midi_alloc_ep_req(struct usb_ep *ep,  in midi_alloc_ep_req()  argument
201 	return alloc_ep_req(ep, length, length);  in midi_alloc_ep_req()
204 static void free_ep_req(struct usb_ep *ep, struct usb_request *req)  in free_ep_req()  argument
207 	usb_ep_free_request(ep, req);  in free_ep_req()
217 static void f_midi_read_data(struct usb_ep *ep, int cable,  in f_midi_read_data()  argument
220 	struct f_midi *midi = ep->driver_data;  in f_midi_read_data()
233 static void f_midi_handle_out_data(struct usb_ep *ep, struct usb_request *req)  in f_midi_handle_out_data()  argument
242 			f_midi_read_data(ep, cable, &buf[i + 1], length);  in f_midi_handle_out_data()
247 f_midi_complete(struct usb_ep *ep, struct usb_request *req)  in f_midi_complete()  argument
249 	struct f_midi *midi = ep->driver_data;  in f_midi_complete()
255 		if (ep == midi->out_ep) {  in f_midi_complete()
257 			f_midi_handle_out_data(ep, req);  in f_midi_complete()
258 		} else if (ep == midi->in_ep) {  in f_midi_complete()
270 		VDBG(cdev, "%s gone (%d), %d/%d\n", ep->name, status,  in f_midi_complete()
272 		if (ep == midi->out_ep)  in f_midi_complete()
273 			f_midi_handle_out_data(ep, req);  in f_midi_complete()
275 		free_ep_req(ep, req);  in f_midi_complete()
282 		DBG(cdev, "%s complete --> %d, %d/%d\n", ep->name,  in f_midi_complete()
289 	status = usb_ep_queue(ep, req, GFP_ATOMIC);  in f_midi_complete()
292 				ep->name, req->length, status);  in f_midi_complete()
293 		usb_ep_set_halt(ep);  in f_midi_complete()
300 			   struct usb_ep *ep)  in f_midi_start_ep()  argument
305 	usb_ep_disable(ep);  in f_midi_start_ep()
307 	err = config_ep_by_speed(midi->gadget, f, ep);  in f_midi_start_ep()
309 		ERROR(cdev, "can't configure %s: %d\n", ep->name, err);  in f_midi_start_ep()
313 	err = usb_ep_enable(ep);  in f_midi_start_ep()
315 		ERROR(cdev, "can't start %s: %d\n", ep->name, err);  in f_midi_start_ep()
319 	ep->driver_data = midi;  in f_midi_start_ep()
516 	struct usb_ep *ep = midi->in_ep;  in f_midi_transmit()  local
519 	if (!ep)  in f_midi_transmit()
523 		req = midi_alloc_ep_req(ep, midi->buflen);  in f_midi_transmit()
549 	if (req->length > 0 && ep->enabled) {  in f_midi_transmit()
552 		err = usb_ep_queue(ep, req, GFP_ATOMIC);  in f_midi_transmit()
557 		free_ep_req(ep, req);  in f_midi_transmit()