/* detach */
int
url_detach(device_t self, int flags)
{
struct url_softc *sc = device_private(self);
struct ifnet *ifp = GET_IFP(sc);
int s;
DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__));
/* Detached before attached finished */
if (!sc->sc_attached)
return (0);
callout_stop(&sc->sc_stat_ch);
/* Remove any pending tasks */
usb_rem_task(sc->sc_udev, &sc->sc_tick_task);
usb_rem_task(sc->sc_udev, &sc->sc_stop_task);
s = splusb();
if (--sc->sc_refcnt >= 0) {
/* Wait for processes to go away */
usb_detach_waitold(sc->sc_dev);
}
if (ifp->if_flags & IFF_RUNNING)
url_stop(GET_IFP(sc), 1);
rnd_detach_source(&sc->rnd_source);
mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
ether_ifdetach(ifp);
if_detach(ifp);
#ifdef DIAGNOSTIC
if (sc->sc_pipe_tx != NULL)
aprint_debug_dev(self, "detach has active tx endpoint.\n");
if (sc->sc_pipe_rx != NULL)
aprint_debug_dev(self, "detach has active rx endpoint.\n");
if (sc->sc_pipe_intr != NULL)
aprint_debug_dev(self, "detach has active intr endpoint.\n");
#endif
sc->sc_attached = 0;
splx(s);
rw_destroy(&sc->sc_mii_rwlock);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
sc->sc_dev);
return (0);
}
/* Abort the device control pipe. */
void
usbd_kill_pipe(struct usbd_pipe *pipe)
{
usbd_abort_pipe(pipe);
usbd_lock_pipe(pipe);
pipe->up_methods->upm_close(pipe);
usbd_unlock_pipe(pipe);
usb_rem_task(pipe->up_dev, &pipe->up_async_task);
pipe->up_endpoint->ue_refcnt--;
kmem_free(pipe, pipe->up_dev->ud_bus->ub_pipesize);
}
