diff --git a/[refs] b/[refs]
index 871e64694302..d2ad1d3ea321 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1b676f70c108cda90cf9d114d16c677584400efc
+refs/heads/master: 1e4cb22bb5094def8eb5c3893f9dda2d517d29bb
diff --git a/trunk/Documentation/fault-injection/fault-injection.txt b/trunk/Documentation/fault-injection/fault-injection.txt
index 82a5d250d75e..70f924ec1e58 100644
--- a/trunk/Documentation/fault-injection/fault-injection.txt
+++ b/trunk/Documentation/fault-injection/fault-injection.txt
@@ -21,6 +21,11 @@ o fail_make_request
   /sys/block/<device>/make-it-fail or
   /sys/block/<device>/<partition>/make-it-fail. (generic_make_request())
 
+o fail_mmc_request
+
+  injects MMC data errors on devices permitted by setting
+  debugfs entries under /sys/kernel/debug/mmc0/fail_mmc_request
+
 Configure fault-injection capabilities behavior
 -----------------------------------------------
 
@@ -115,7 +120,8 @@ use the boot option:
 
 	failslab=
 	fail_page_alloc=
-	fail_make_request=<interval>,<probability>,<space>,<times>
+	fail_make_request=
+	fail_mmc_request=<interval>,<probability>,<space>,<times>
 
 How to add new fault injection capability
 -----------------------------------------