nochip_noop       200 arch/arm/mach-sa1100/neponset.c 	.irq_ack = nochip_noop,
nochip_noop       201 arch/arm/mach-sa1100/neponset.c 	.irq_mask = nochip_noop,
nochip_noop       202 arch/arm/mach-sa1100/neponset.c 	.irq_unmask = nochip_noop,