mach_id_ptr 2483 arch/powerpc/platforms/powermac/feature.c u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4); mach_id_ptr 2484 arch/powerpc/platforms/powermac/feature.c if (!mach_id_ptr) { mach_id_ptr 2492 arch/powerpc/platforms/powermac/feature.c if (__raw_readl(mach_id_ptr) & 0x20000000UL) mach_id_ptr 2494 arch/powerpc/platforms/powermac/feature.c iounmap(mach_id_ptr);