DSP56K_ICR_TREQ 52 drivers/char/dsp56k.c #define DSP56K_TX_INT_ON dsp56k_host_interface.icr |= DSP56K_ICR_TREQ DSP56K_ICR_TREQ 54 drivers/char/dsp56k.c #define DSP56K_TX_INT_OFF dsp56k_host_interface.icr &= ~DSP56K_ICR_TREQ