1 files changed, 13 insertions, 0 deletions

diff --git a/include/asm-alpha/pci.h b/include/asm-alpha/pci.h
index f681e675b823..4e115f368d5f 100644
--- a/include/asm-alpha/pci.h
+++ b/include/asm-alpha/pci.h
@@ -254,6 +254,19 @@ extern void pcibios_resource_to_bus(struct pci_dev *, struct pci_bus_region *,
 extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
                                     struct pci_bus_region *region);
 
+static inline struct resource *
+pcibios_select_root(struct pci_dev *pdev, struct resource *res)
+{
+        struct resource *root = NULL;
+
+        if (res->flags & IORESOURCE_IO)
+                root = &ioport_resource;
+        if (res->flags & IORESOURCE_MEM)
+                root = &iomem_resource;
+
+        return root;
+}
+
 #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
 
 static inline int pci_proc_domain(struct pci_bus *bus)