R_DUART_RX_HOLD   204 drivers/tty/serial/sb1250-duart.c 		read_sbdchn(sport, R_DUART_RX_HOLD);
R_DUART_RX_HOLD   347 drivers/tty/serial/sb1250-duart.c 		ch = read_sbdchn(sport, R_DUART_RX_HOLD);