DZ_FERR
if (unlikely(status & (DZ_OERR | DZ_FERR | DZ_PERR))) {
status |= (status & DZ_FERR) >>
(ffs(DZ_FERR) - ffs(DZ_BREAK));
status &= ~DZ_FERR;
} else if (status & DZ_FERR)
else if (status & DZ_FERR)
dport->port.read_status_mask |= DZ_FERR | DZ_PERR;
dport->port.ignore_status_mask |= DZ_FERR | DZ_PERR;