STAT_PAR_ERR
if (status & STAT_PAR_ERR)
status &= ~(STAT_FRM_ERR | STAT_PAR_ERR);
if (status & port->ignore_status_mask & STAT_PAR_ERR)
if (status & STAT_PAR_ERR)
port->read_status_mask |= STAT_FRM_ERR | STAT_PAR_ERR;
STAT_FRM_ERR | STAT_PAR_ERR | STAT_OVR_ERR;
| STAT_PAR_ERR | STAT_OVR_ERR)