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;