pci_io_desc 615 arch/arm/kernel/bios32.c struct map_desc pci_io_desc = { pci_io_desc 621 arch/arm/kernel/bios32.c pci_io_desc.pfn = pfn; pci_io_desc 622 arch/arm/kernel/bios32.c iotable_init(&pci_io_desc, 1);