int
snc_shutdown(device_t dev)
{
struct snc_softc *sc = device_get_softc(dev);
SNC_LOCK(sc);
sncshutdown(sc);
SNC_UNLOCK(sc);
return (0);
}
/*
* snc_pccard_detach - unload the driver and clear the table.
* XXX TODO:
* This is usually called when the card is ejected, but
* can be caused by a modunload of a controller driver.
* The idea is to reset the driver's view of the device
* and ensure that any driver entry points such as
* read and write do not hang.
*/
static int
snc_pccard_detach(device_t dev)
{
struct snc_softc *sc = device_get_softc(dev);
struct ifnet *ifp = &sc->sc_if;
if (sc->gone) {
device_printf(dev, "already unloaded\n");
return (0);
}
sncshutdown(sc);
ifp->if_flags &= ~IFF_RUNNING;
if_detach(ifp);
sc->gone = 1;
bus_teardown_intr(dev, sc->irq, sc->irq_handle);
snc_release_resources(dev);
return (0);
}
/*
* snc_pccard_detach - detach this instance from the device.
*/
static int
snc_pccard_detach(device_t dev)
{
struct snc_softc *sc = device_get_softc(dev);
struct ifnet *ifp = sc->sc_ifp;
if (sc->gone) {
device_printf(dev, "already unloaded\n");
return (0);
}
SNC_LOCK(sc);
sncshutdown(sc);
SNC_UNLOCK(sc);
callout_drain(&sc->sc_timer);
ether_ifdetach(ifp);
sc->gone = 1;
bus_teardown_intr(dev, sc->irq, sc->irq_handle);
snc_release_resources(dev);
mtx_destroy(&sc->sc_lock);
return (0);
}
