--- /dev/null
+++ b/include/linux/retimer_class.h
@@ -0,0 +1,35 @@
+/*
+ * retimer_class.c
+ *
+ * This file exports interface functions for the sysfs class "retimer",
+ * for use by RETIMER drivers.
+ *
+ * Copyright (C) 2014 Cumulus Networks, Inc.
+ * Author: Puneet Shenoy <puneet@cumulusnetworks.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#ifndef RETIMER_CLASS_H__
+#define RETIMER_CLASS_H__
+
+#include <linux/device.h>
+#include <linux/err.h>
+
+struct device *retimer_device_register(struct device *dev);
+
+void retimer_device_unregister(struct device *dev);
+
+#endif /* RETIMER_CLASS_H__ */
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index b0df05a..590ea0f 100644
