diff --git a/[refs] b/[refs]
index c5438982135f..9f3124db5c4d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4fb88c1a28a8dc302bdc09858e7cdafc97bef794
+refs/heads/master: 939fdc67350e15aeeea70457d5b4bc1116bb4fd5
diff --git a/trunk/drivers/pci/hotplug/ibmphp_hpc.c b/trunk/drivers/pci/hotplug/ibmphp_hpc.c
index c7084f0eca5a..1aaf3f32d3cd 100644
--- a/trunk/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/trunk/drivers/pci/hotplug/ibmphp_hpc.c
@@ -35,6 +35,7 @@
 #include <linux/init.h>
 #include <linux/mutex.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 #include <linux/kthread.h>
 #include "ibmphp.h"