SYSIO_ICLR_SLOT0  686 arch/sparc/kernel/prom_irqtrans.c 			iclr = reg_base + SYSIO_ICLR_SLOT0;
SYSIO_ICLR_SLOT0  238 arch/sparc/kernel/sbus.c 			iclr = reg_base + SYSIO_ICLR_SLOT0;