diff --git a/[refs] b/[refs]
index 61d00eec4995..0eee8ad2209d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e9edb232d3b0848457a83a5b697f55264542892f
+refs/heads/master: 3d9b740b2d8d73795d745a46eabd55479ee68dcc
diff --git a/trunk/arch/powerpc/platforms/pseries/dlpar.c b/trunk/arch/powerpc/platforms/pseries/dlpar.c
index 12df9e8812a9..67b7a10f9fce 100644
--- a/trunk/arch/powerpc/platforms/pseries/dlpar.c
+++ b/trunk/arch/powerpc/platforms/pseries/dlpar.c
@@ -346,12 +346,14 @@ int dlpar_release_drc(u32 drc_index)
 
 static DEFINE_MUTEX(pseries_cpu_hotplug_mutex);
 
-void cpu_hotplug_driver_lock()
+void cpu_hotplug_driver_lock(void)
+__acquires(pseries_cpu_hotplug_mutex)
 {
 	mutex_lock(&pseries_cpu_hotplug_mutex);
 }
 
-void cpu_hotplug_driver_unlock()
+void cpu_hotplug_driver_unlock(void)
+__releases(pseries_cpu_hotplug_mutex)
 {
 	mutex_unlock(&pseries_cpu_hotplug_mutex);
 }