diff --git a/[refs] b/[refs]
index d7f8c67b5c57..b8f29339ae43 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cab2e05271f11cc3322be5bc50168d9b8a3fc587
+refs/heads/master: e415372acc6e789cc840a9bd27f8bdb3e94e0749
diff --git a/trunk/arch/powerpc/include/asm/spu.h b/trunk/arch/powerpc/include/asm/spu.h
index 0c8b35d75232..4e360bd4a35a 100644
--- a/trunk/arch/powerpc/include/asm/spu.h
+++ b/trunk/arch/powerpc/include/asm/spu.h
@@ -26,6 +26,7 @@
 
 #include <linux/workqueue.h>
 #include <linux/sysdev.h>
+#include <linux/mutex.h>
 
 #define LS_SIZE (256 * 1024)
 #define LS_ADDR_MASK (LS_SIZE - 1)