Index: /GPL/trunk/include/linux/workqueue.h
===================================================================
--- /GPL/trunk/include/linux/workqueue.h	(revision 442)
+++ /GPL/trunk/include/linux/workqueue.h	(revision 444)
@@ -2,4 +2,5 @@
 #define __LINUX_WORKQUEUE_H
 
+#include <linux/timer.h>
 #include <sound/compat_22.h>
 /* we know this is used below exactly once for at most one waiter */