sr_dbg("genericdmm: Opening serial port '%s'.", devc->serial->port);
devc->serial->fd = serial_open(devc->serial->port, O_RDWR | O_NONBLOCK);
if (devc->serial->fd == -1) {
sr_dbg("genericdmm: Opening serial port '%s'.", devc->serial->port);
devc->serial->fd = serial_open(devc->serial->port, O_RDWR | O_NONBLOCK);
if (devc->serial->fd == -1) {