MAINSTONE_NR_IRQS 126 arch/arm/mach-pxa/include/mach/mainstone.h #define MAINSTONE_IRQ(x) (MAINSTONE_NR_IRQS + (x)) MAINSTONE_NR_IRQS 720 arch/arm/mach-pxa/mainstone.c .nr_irqs = MAINSTONE_NR_IRQS,