DSP56K_ICR_RREQ    53 drivers/char/dsp56k.c #define DSP56K_RX_INT_ON	dsp56k_host_interface.icr |=  DSP56K_ICR_RREQ
DSP56K_ICR_RREQ    55 drivers/char/dsp56k.c #define DSP56K_RX_INT_OFF	dsp56k_host_interface.icr &= ~DSP56K_ICR_RREQ