IFX_SPI_DTR 293 drivers/tty/serial/ifx6x60.c (test_bit(IFX_SPI_DTR, &ifx_dev->signal_state) ? TIOCM_DTR : 0) | IFX_SPI_DTR 320 drivers/tty/serial/ifx6x60.c set_bit(IFX_SPI_DTR, &ifx_dev->signal_state); IFX_SPI_DTR 324 drivers/tty/serial/ifx6x60.c clear_bit(IFX_SPI_DTR, &ifx_dev->signal_state);