diff --git a/include/linux/pci.h b/include/linux/pci.h
index 4286b85..569341d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1453,8 +1453,10 @@
 extern unsigned long pci_hotplug_io_size;
 extern unsigned long pci_hotplug_mem_size;
 
+/* Architecture specific versions may override these (weak) */
 int pcibios_add_platform_entries(struct pci_dev *dev);
 void pcibios_disable_device(struct pci_dev *dev);
+void pcibios_set_master(struct pci_dev *dev);
 int pcibios_set_pcie_reset_state(struct pci_dev *dev,
 				 enum pcie_reset_state state);