PIC_CASCADE_IR     29 arch/mips/include/asm/i8259.h #define PIC_CASCADE_IR		2
PIC_CASCADE_IR    144 arch/mips/sni/rm200.c #define PIC_CASCADE_IR		2
PIC_CASCADE_IR     24 arch/x86/include/asm/i8259.h #define PIC_CASCADE_IR		2