UPSTAT_AUTOCTS
p8250->port.status |= UPSTAT_AUTOCTS;
p->status |= UPSTAT_AUTOCTS;
p->status &= ~UPSTAT_AUTOCTS;
port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS | UPSTAT_AUTOXOFF);
port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
(port->status & (UPSTAT_AUTOCTS | UPSTAT_AUTORTS)) &&
uap->port.status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS | UPSTAT_AUTOXOFF);
port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
up->port.status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS | UPSTAT_AUTOXOFF);
up->port.status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
port->status &= ~UPSTAT_AUTOCTS;
port->status |= UPSTAT_AUTOCTS;
port->status &= ~UPSTAT_AUTOCTS;
port->status = UPSTAT_AUTOCTS;
port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
port->status &= ~UPSTAT_AUTOCTS;
port->status |= UPSTAT_AUTOCTS;
port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS);
port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS;
upstat_t mask = UPSTAT_CTS_ENABLE | UPSTAT_AUTOCTS;