299 static inline struct usb_request *ss_alloc_ep_req(struct usb_ep *ep, int len)  in ss_alloc_ep_req()  argument
301 	struct f_sourcesink		*ss = ep->driver_data;  in ss_alloc_ep_req()
303 	return alloc_ep_req(ep, len, ss->buflen);  in ss_alloc_ep_req()
306 void free_ep_req(struct usb_ep *ep, struct usb_request *req)  in free_ep_req()  argument
309 	usb_ep_free_request(ep, req);  in free_ep_req()
312 static void disable_ep(struct usb_composite_dev *cdev, struct usb_ep *ep)  in disable_ep()  argument
316 	value = usb_ep_disable(ep);  in disable_ep()
318 		DBG(cdev, "disable %s --> %d\n", ep->name, value);  in disable_ep()
518 static void reinit_write_data(struct usb_ep *ep, struct usb_request *req)  in reinit_write_data()  argument
522 	int max_packet_size = le16_to_cpu(ep->desc->wMaxPacketSize);  in reinit_write_data()
523 	struct f_sourcesink *ss = ep->driver_data;  in reinit_write_data()
538 static void source_sink_complete(struct usb_ep *ep, struct usb_request *req)  in source_sink_complete()  argument
541 	struct f_sourcesink		*ss = ep->driver_data;  in source_sink_complete()
553 		if (ep == ss->out_ep) {  in source_sink_complete()
564 		VDBG(cdev, "%s gone (%d), %d/%d\n", ep->name, status,  in source_sink_complete()
566 		if (ep == ss->out_ep)  in source_sink_complete()
568 		free_ep_req(ep, req);  in source_sink_complete()
577 		DBG(cdev, "%s complete --> %d, %d/%d\n", ep->name,  in source_sink_complete()
584 	status = usb_ep_queue(ep, req, GFP_ATOMIC);  in source_sink_complete()
587 				ep->name, req->length, status);  in source_sink_complete()
588 		usb_ep_set_halt(ep);  in source_sink_complete()
596 	struct usb_ep		*ep;  in source_sink_start_ep()  local
616 			ep = is_in ? ss->iso_in_ep : ss->iso_out_ep;  in source_sink_start_ep()
617 			req = ss_alloc_ep_req(ep, size);  in source_sink_start_ep()
619 			ep = is_in ? ss->in_ep : ss->out_ep;  in source_sink_start_ep()
620 			req = ss_alloc_ep_req(ep, 0);  in source_sink_start_ep()
628 			reinit_write_data(ep, req);  in source_sink_start_ep()
632 		status = usb_ep_queue(ep, req, GFP_ATOMIC);  in source_sink_start_ep()
639 			      ep->name, status);  in source_sink_start_ep()
640 			free_ep_req(ep, req);  in source_sink_start_ep()
666 	struct usb_ep				*ep;  in enable_source_sink()  local
669 	ep = ss->in_ep;  in enable_source_sink()
670 	result = config_ep_by_speed(cdev->gadget, &(ss->function), ep);  in enable_source_sink()
673 	result = usb_ep_enable(ep);  in enable_source_sink()
676 	ep->driver_data = ss;  in enable_source_sink()
681 		ep = ss->in_ep;  in enable_source_sink()
682 		usb_ep_disable(ep);  in enable_source_sink()
687 	ep = ss->out_ep;  in enable_source_sink()
688 	result = config_ep_by_speed(cdev->gadget, &(ss->function), ep);  in enable_source_sink()
691 	result = usb_ep_enable(ep);  in enable_source_sink()
694 	ep->driver_data = ss;  in enable_source_sink()
699 		ep = ss->out_ep;  in enable_source_sink()
700 		usb_ep_disable(ep);  in enable_source_sink()
708 	ep = ss->iso_in_ep;  in enable_source_sink()
709 	if (ep) {  in enable_source_sink()
710 		result = config_ep_by_speed(cdev->gadget, &(ss->function), ep);  in enable_source_sink()
713 		result = usb_ep_enable(ep);  in enable_source_sink()
716 		ep->driver_data = ss;  in enable_source_sink()
721 			ep = ss->iso_in_ep;  in enable_source_sink()
722 			if (ep)  in enable_source_sink()
723 				usb_ep_disable(ep);  in enable_source_sink()
729 	ep = ss->iso_out_ep;  in enable_source_sink()
730 	if (ep) {  in enable_source_sink()
731 		result = config_ep_by_speed(cdev->gadget, &(ss->function), ep);  in enable_source_sink()
734 		result = usb_ep_enable(ep);  in enable_source_sink()
737 		ep->driver_data = ss;  in enable_source_sink()
741 			usb_ep_disable(ep);  in enable_source_sink()