diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index 2309bf17203f..0ec45110e15e 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -10,6 +10,7 @@
 #include <linux/seq_file.h>
 #include <linux/stat.h>
 #include <linux/string.h>
+#include <linux/of.h>
 #include <asm/prom.h>
 #include <asm/uaccess.h>
 #include "internal.h"