bus_child_present
if (i == XL_TIMEOUT && bus_child_present(sc->xl_dev))
if (i == DC_TIMEOUT && bus_child_present(sc->dc_dev)) {
sc->sc_invalid = !bus_child_present(dev);
sc->sc_invalid = !bus_child_present(dev);
sc->malo_invalid = !bus_child_present(dev);
sc->sc_invalid = !bus_child_present(dev);
sc->sc_invalid = !bus_child_present(dev);
return bus_child_present(parent);
int bus_child_present(device_t child);