MOXA_MUST_EFR_EFRB_ENABLE  297 drivers/tty/mxser.c 	efr |= MOXA_MUST_EFR_EFRB_ENABLE;
MOXA_MUST_EFR_EFRB_ENABLE  313 drivers/tty/mxser.c 	efr &= ~MOXA_MUST_EFR_EFRB_ENABLE;