device_delete_child
device_delete_child(dev, sc->xl_miibus);
device_delete_child(dev, sc->alc_miibus);
device_delete_child(dev, sc->ale_miibus);
device_delete_child(dev, sc->age_miibus);
device_delete_child(dev, sc->miibus);
device_delete_child(dev, sc->bfe_miibus);
device_delete_child(dev, sc->bge_miibus);
device_delete_child(dev, sc->dc_miibus);
device_delete_child(sc->dev, sc->miibus);
device_delete_child(dev, sc->jme_miibus);
device_delete_child(dev, sc->msk_devs[MSK_PORT_A]);
device_delete_child(dev, sc->msk_devs[MSK_PORT_B]);
device_delete_child(dev, sc->nfe_miibus);
device_delete_child(dev, sc->pcn_miibus);
device_delete_child(dev, sc->vte_miibus);
device_delete_child(dev, sc->rl_miibus);
device_delete_child(dev, sc->rl_miibus);
device_delete_child(dev, sc->sge_miibus);
device_delete_child(dev, sc->sis_miibus);
device_delete_child(dev, sc->sk_devs[SK_PORT_A]);
device_delete_child(dev, sc->sk_devs[SK_PORT_B]);
device_delete_child(dev, sc->vr_miibus);
device_delete_child(dev, sc->vge_miibus);
int device_delete_child(device_t dev, device_t child);
device_delete_child(dev, *miibus);
device_delete_child(ue->ue_dev, ue->ue_miibus);
device_delete_child(parent, child);
device_delete_child(NULL, root);
device_delete_child(NULL, root);
device_delete_child(NULL, gDevices[i]->root_device);
device_delete_child(NULL, root);
device_delete_child(NULL, root);