diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index b2cd207..38dc403 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -27,7 +27,8 @@
 	DMI_DEV_TYPE_ETHERNET,
 	DMI_DEV_TYPE_TOKENRING,
 	DMI_DEV_TYPE_SOUND,
-	DMI_DEV_TYPE_IPMI = -1
+	DMI_DEV_TYPE_IPMI = -1,
+	DMI_DEV_TYPE_OEM_STRING = -2
 };
 
 struct dmi_header {