diff --git a/[refs] b/[refs]
index 3c7340356252..e64630b15460 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9ae84fe8c18cabc348b9c7cd1e98419cd0cbf481
+refs/heads/master: 2b00668ff9d91d594a204ff2c3bf940d483e4b5f
diff --git a/trunk/include/mtd/mtd-abi.h b/trunk/include/mtd/mtd-abi.h
index 1a7e1d20adf9..36eace03b2ac 100644
--- a/trunk/include/mtd/mtd-abi.h
+++ b/trunk/include/mtd/mtd-abi.h
@@ -198,7 +198,8 @@ struct otp_info {
 #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
 /*
  * Most generic write interface; can write in-band and/or out-of-band in various
- * modes (see "struct mtd_write_req")
+ * modes (see "struct mtd_write_req"). This ioctl is not supported for flashes
+ * without OOB, e.g., NOR flash.
  */
 #define MEMWRITE		_IOWR('M', 24, struct mtd_write_req)