status = pmz_peek_status(to_pmz(port)); 
status = read_zsreg(uap, R0); 
static unsigned int pmz_get_mctrl(struct uart_port *port){	struct uart_pmac_port *uap = to_pmz(port);	unsigned char status;	unsigned int ret;	if (ZS_IS_ASLEEP(uap) || uap->node == NULL)		return 0;	status = pmz_peek_status(to_pmz(port));	ret = 0;	if (status & DCD)		ret |= TIOCM_CAR;	if (status & SYNC_HUNT)		ret |= TIOCM_DSR;	if (!(status & CTS))		ret |= TIOCM_CTS;	return ret;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/c5f4644e6c8ba21666128603e4e92544d3cd740d/pmac_zilog.c/clean/drivers/serial/pmac_zilog.c