--- zzzz-none-000/linux-3.10.107/include/uapi/mtd/mtd-abi.h	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/include/uapi/mtd/mtd-abi.h	2021-11-10 11:53:56.000000000 +0000
@@ -202,6 +202,8 @@
  * without OOB, e.g., NOR flash.
  */
 #define MEMWRITE		_IOWR('M', 24, struct mtd_write_req)
+/* Refresh mtd partitions (AVM extension) */
+#define MTDREFRESH		_IO('M', 25)
 
 /*
  * Obsolete legacy interface. Keep it in order not to break userspace