IRQ_OST1           50 arch/arm/mach-pxa/include/mach/irqs.h #define	IRQ_OST1 	PXA_IRQ(27)	/* OS Timer match 1 */
IRQ_OST1           39 arch/arm/mach-sa1100/include/mach/irqs.h #define	IRQ_OST1		28	/* OS Timer match 1         */