ehci_childdet
ehci_obio_match, ehci_obio_attach, NULL, NULL, NULL, ehci_childdet);
ehci_activate, NULL, ehci_childdet);
ehci_activate, NULL, ehci_childdet);
ehci_activate, NULL, ehci_childdet);
ehci_activate, NULL, ehci_childdet);
ehci_activate, NULL, ehci_childdet);
ehci_activate, NULL, ehci_childdet);
mvusb_match, mvusb_attach, NULL, ehci_activate, NULL, ehci_childdet);
mvusb_match, mvusb_attach, NULL, ehci_activate, NULL, ehci_childdet);
ehci_childdet, DVF_DETACH_SHUTDOWN);
void ehci_childdet(device_t, device_t);