usbd_do_request_len
return usbd_do_request_len(dev, req, len, data, flags, actlen, timeout);
usbd_status usbd_do_request_len(struct usbd_device *dev,
err = usbd_do_request_len(dev, &req, sizeof(*sdesc), sdesc,
err = usbd_do_request_len(dev, &req, sizeof(*sdesc), sdesc,