getsiocsr
rr = getsiocsr(sio);
} while (((rr = getsiocsr(sio)) & RR_RXRDY) != 0);
rr = getsiocsr(sio);
} while (((rr = getsiocsr(sio)) & RR_RXRDY) != 0);
rr = getsiocsr(sc->sc_ctl);
(getsiocsr(sc->sc_ctl) & RR_DCD) != 0)
while ((getsiocsr(sio) & RR_TXRDY) == 0)
static inline uint16_t getsiocsr(struct sioreg *);
while ((getsiocsr(sio) & RR_RXRDY) == 0)