diff --git a/[refs] b/[refs]
index b0db828fc5bf..e19d0a53f93e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ad1428c96ebdee592aa475afe129530225bef186
+refs/heads/master: 684a0e70008934dbdf87ed35e29ccbb58e91f8dc
diff --git a/trunk/Documentation/usb/acm.txt b/trunk/Documentation/usb/acm.txt
index 737d6104c3f3..17f5c2e1a570 100644
--- a/trunk/Documentation/usb/acm.txt
+++ b/trunk/Documentation/usb/acm.txt
@@ -46,6 +46,10 @@ Abstract Control Model (USB CDC ACM) specification.
 
 	3Com USR ISDN Pro TA
 
+  Some cell phones also connect via USB. I know the following phones work:
+
+	SonyEricsson K800i
+
   Unfortunately many modems and most ISDN TAs use proprietary interfaces and
 thus won't work with this drivers. Check for ACM compliance before buying.