MLB_USIO_FCR_FDRQ 112 drivers/tty/serial/milbeaut_usio.c writew(readw(port->membase + MLB_USIO_REG_FCR) & ~MLB_USIO_FCR_FDRQ, MLB_USIO_FCR_FDRQ 130 drivers/tty/serial/milbeaut_usio.c if (!(fcr & MLB_USIO_FCR_FDRQ))