void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
struct pci_bus_region *region)
{
+#ifdef CONFIG_64BIT
struct pci_bus *bus = dev->bus;
struct pci_hba_data *hba = HBA_DATA(bus->bridge->platform_data);
+#endif
if (res->flags & IORESOURCE_MEM) {
res->start = PCI_HOST_ADDR(hba, region->start);