tpm_status
u_int8_t tpm_status(struct tpm_softc *);
while (((sc->sc_stat = tpm_status(sc)) & mask) != mask && tmo--) {
sc->sc_stat = tpm_status(sc);
sc->sc_stat = tpm_status(sc);
sc->sc_stat = tpm_status(sc);
sc->sc_stat = tpm_status(sc);
sc->sc_stat = tpm_status(sc);
sc->sc_stat = tpm_status(sc);
sc->sc_stat = tpm_status(sc);