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