usbd_ref_wait
usbd_ref_wait(usc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->udev);
void usbd_ref_wait(struct usbd_device *);
usbd_ref_wait(sc->sc_udev);
usbd_ref_wait(sc->sc_udev);