diff --git a/[refs] b/[refs]
index c54b31c24072..fc1bb9324c03 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b02a4a193420890fdf0d1285cfb9a92e416dcd5c
+refs/heads/master: 89016506b62a79766c091959ecb40ec666f381bc
diff --git a/trunk/arch/x86/pci/common.c b/trunk/arch/x86/pci/common.c
index 901177d75ff5..305c68b8d538 100644
--- a/trunk/arch/x86/pci/common.c
+++ b/trunk/arch/x86/pci/common.c
@@ -6,6 +6,7 @@
 
 #include <linux/sched.h>
 #include <linux/pci.h>
+#include <linux/pci-acpi.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/dmi.h>
@@ -170,6 +171,16 @@ void pcibios_fixup_bus(struct pci_bus *b)
 		pcibios_fixup_device_resources(dev);
 }
 
+void pcibios_add_bus(struct pci_bus *bus)
+{
+	acpi_pci_add_bus(bus);
+}
+
+void pcibios_remove_bus(struct pci_bus *bus)
+{
+	acpi_pci_remove_bus(bus);
+}
+
 /*
  * Only use DMI information to set this if nothing was passed
  * on the kernel command line (which was parsed earlier).