IRQ_GPIO2          83 arch/arm/mach-davinci/irqs.h #define IRQ_GPIO2        50
IRQ_GPIO2          47 arch/arm/mach-sa1100/include/mach/irqs.h #define	IRQ_GPIO2		35
IRQ_GPIO2          50 arch/unicore32/include/asm/irq.h #define	IRQ_GPIO2		0x22