M_DUART_TX_EN     305 drivers/tty/serial/sb1250-duart.c 	write_sbdchn(sport, R_DUART_CMD, M_DUART_TX_EN);
M_DUART_TX_EN     623 drivers/tty/serial/sb1250-duart.c 		command |= M_DUART_TX_EN;
M_DUART_TX_EN     850 drivers/tty/serial/sb1250-duart.c 	write_sbdchn(sport, R_DUART_CMD, M_DUART_TX_EN);