SYSIO_ICLR_UNUSED0 644 arch/sparc/kernel/prom_irqtrans.c unsigned long diff = SYSIO_ICLR_UNUSED0 - SYSIO_IMAP_SLOT0; SYSIO_ICLR_UNUSED0 206 arch/sparc/kernel/sbus.c unsigned long diff = SYSIO_ICLR_UNUSED0 - SYSIO_IMAP_SLOT0;