TXX9_SICISR
while (!(__raw_readl(early_txx9_sio_port + TXX9_SICISR) &
ret = (sio_in(up, TXX9_SICISR) & TXX9_SICISR_TXALS) ? TIOCSER_TEMT : 0;
ret |= (sio_in(up, TXX9_SICISR) & TXX9_SICISR_CTSS) ? 0 : TIOCM_CTS;
!(sio_in(up, TXX9_SICISR) & TXX9_SICISR_TXALS))
(sio_in(up, TXX9_SICISR) & TXX9_SICISR_CTSS))