octiic_wait
if (octiic_wait(sc, TWSI_STAT_IDLE, I2C_F_POLL) != 0) {
error = octiic_wait(sc, nstate, flags);
error = octiic_wait(sc, nstate, flags);
error = octiic_wait(sc, nstate, flags);
error = octiic_wait(sc, nstate, flags);
error = octiic_wait(sc, TWSI_STAT_MBT_ACK, flags);
int octiic_wait(struct octiic_softc *, uint8_t, int);