MDM_RTR           427 drivers/tty/n_gsm.c 		modembits |= MDM_RTR;
MDM_RTR          1034 drivers/tty/n_gsm.c 	fc = (modem & MDM_FC) || !(modem & MDM_RTR);
MDM_RTR          1046 drivers/tty/n_gsm.c 	if (modem & MDM_RTR)