M_DUART_RX_DIS    511 drivers/tty/serial/sb1250-duart.c 	write_sbdchn(sport, R_DUART_CMD, M_DUART_TX_DIS | M_DUART_RX_DIS);
M_DUART_RX_DIS    611 drivers/tty/serial/sb1250-duart.c 		command = M_DUART_RX_DIS;
M_DUART_RX_DIS    631 drivers/tty/serial/sb1250-duart.c 	write_sbdchn(sport, R_DUART_CMD, M_DUART_TX_DIS | M_DUART_RX_DIS);