SK_PORT_B
if (port == SK_PORT_B)
sc->sk_devs[SK_PORT_B] = device_add_child(dev, "sk", -1);
if (sc->sk_devs[SK_PORT_B] == NULL) {
*port = SK_PORT_B;
device_set_ivars(sc->sk_devs[SK_PORT_B], port);
if (sc->sk_devs[SK_PORT_B] != NULL) {
free(device_get_ivars(sc->sk_devs[SK_PORT_B]), M_DEVBUF);
device_delete_child(dev, sc->sk_devs[SK_PORT_B]);
sc_if1 = sc->sk_if[SK_PORT_B];
sc_if1 = sc->sk_if[SK_PORT_B];
sc_if1 = sc->sk_if[SK_PORT_B];
if (sc->sk_if[SK_PORT_B] != NULL)