IRQ_GPIO4          85 arch/arm/mach-davinci/irqs.h #define IRQ_GPIO4        52
IRQ_GPIO4          49 arch/arm/mach-sa1100/include/mach/irqs.h #define	IRQ_GPIO4		37
IRQ_GPIO4          52 arch/unicore32/include/asm/irq.h #define	IRQ_GPIO4		0x24