172 	struct usb_composite_dev *cdev = c->cdev;  in loopback_bind()  local
183 	id = usb_string_id(cdev);  in loopback_bind()
191 	loop->in_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_source_desc);  in loopback_bind()
194 		ERROR(cdev, "%s: can't autoconfigure on %s\n",  in loopback_bind()
195 			f->name, cdev->gadget->name);  in loopback_bind()
199 	loop->out_ep = usb_ep_autoconfig(cdev->gadget, &fs_loop_sink_desc);  in loopback_bind()
218 	DBG(cdev, "%s speed %s: IN/%s, OUT/%s\n",  in loopback_bind()
219 	    (gadget_is_superspeed(c->cdev->gadget) ? "super" :  in loopback_bind()
220 	     (gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full")),  in loopback_bind()
242 	struct usb_composite_dev *cdev = loop->function.config->cdev;  in loopback_complete()  local
272 			ERROR(cdev, "Unable to loop back buffer to %s: %d\n",  in loopback_complete()
279 		ERROR(cdev, "%s loop complete --> %d, %d/%d\n", ep->name,  in loopback_complete()
302 	struct usb_composite_dev	*cdev;  in disable_loopback()  local
304 	cdev = loop->function.config->cdev;  in disable_loopback()
305 	disable_endpoints(cdev, loop->in_ep, loop->out_ep, NULL, NULL);  in disable_loopback()
306 	VDBG(cdev, "%s disabled\n", loop->function.name);  in disable_loopback()
316 static int alloc_requests(struct usb_composite_dev *cdev,  in alloc_requests()  argument
350 			ERROR(cdev, "%s queue req --> %d\n",  in alloc_requests()
366 static int enable_endpoint(struct usb_composite_dev *cdev,  in enable_endpoint()  argument
371 	result = config_ep_by_speed(cdev->gadget, &(loop->function), ep);  in enable_endpoint()
386 enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop)  in enable_loopback()  argument
390 	result = enable_endpoint(cdev, loop, loop->in_ep);  in enable_loopback()
394 	result = enable_endpoint(cdev, loop, loop->out_ep);  in enable_loopback()
398 	result = alloc_requests(cdev, loop);  in enable_loopback()
402 	DBG(cdev, "%s enabled\n", loop->function.name);  in enable_loopback()
417 	struct usb_composite_dev *cdev = f->config->cdev;  in loopback_set_alt()  local
421 	return enable_loopback(cdev, loop);  in loopback_set_alt()