INT_NUM_IM4_IRL0   16 arch/mips/include/asm/mach-lantiq/falcon/falcon_irq.h #define INT_NUM_EXTRA_START		(INT_NUM_IM4_IRL0 + 32)
INT_NUM_IM4_IRL0   41 arch/mips/lantiq/irq.c #define LTQ_PERF_IRQ		(INT_NUM_IM4_IRL0 + 31)