R_DUART_STATUS 196 drivers/tty/serial/sb1250-duart.c return read_sbdchn(sport, R_DUART_STATUS) & M_DUART_RX_RDY; R_DUART_STATUS 210 drivers/tty/serial/sb1250-duart.c return read_sbdchn(sport, R_DUART_STATUS) & M_DUART_TX_RDY; R_DUART_STATUS 224 drivers/tty/serial/sb1250-duart.c return read_sbdchn(sport, R_DUART_STATUS) & M_DUART_TX_EMT; R_DUART_STATUS 343 drivers/tty/serial/sb1250-duart.c status = read_sbdchn(sport, R_DUART_STATUS);