1 files changed, 9 insertions, 0 deletions

diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
index 00d21513d009..01132bb602e3 100644
--- a/include/asm-powerpc/pci-bridge.h
+++ b/include/asm-powerpc/pci-bridge.h
@@ -156,6 +156,15 @@ extern struct pci_controller *
 pcibios_alloc_controller(struct device_node *dev);
 extern void pcibios_free_controller(struct pci_controller *phb);
 
+#ifdef CONFIG_PCI
+extern unsigned int pci_address_to_pio(phys_addr_t address);
+#else
+static inline unsigned int pci_address_to_pio(phys_addr_t address)
+{
+        return (unsigned int)-1;
+}
+#endif
+
 /* Return values for ppc_md.pci_probe_mode function */
 #define PCI_PROBE_NONE          -1      /* Don't look at this bus at all */
 #define PCI_PROBE_NORMAL        0       /* Do normal PCI probing */