MLB_USIO_SSR_TBI 136 drivers/tty/serial/milbeaut_usio.c if (readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TBI) MLB_USIO_SSR_TBI 228 drivers/tty/serial/milbeaut_usio.c if (readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TBI) MLB_USIO_SSR_TBI 237 drivers/tty/serial/milbeaut_usio.c return (readb(port->membase + MLB_USIO_REG_SSR) & MLB_USIO_SSR_TBI) ?