AUART_STAT_PERR
} else if (stat & AUART_STAT_PERR) {
} else if (stat & AUART_STAT_PERR)
AUART_STAT_PERR | AUART_STAT_FERR);
u->read_status_mask |= AUART_STAT_PERR;
u->ignore_status_mask |= AUART_STAT_PERR;