[PATCH 2/2] Documentation: gadget_configfs: update UDC binding

[changbin . du]

From: "Du, Changbin" <changbin.du@xxxxxxxxx>

Add the usage of new binding mode 'any'.
$ echo any > UDC

Signed-off-by: Du, Changbin <changbin.du@xxxxxxxxx>
Signed-off-by: Du, Changbin <changbin.du@xxxxxxxxx>
---
 Documentation/usb/gadget_configfs.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/usb/gadget_configfs.txt b/Documentation/usb/gadget_configfs.txt
index 635e574..1edeb4f 100644
--- a/Documentation/usb/gadget_configfs.txt
+++ b/Documentation/usb/gadget_configfs.txt
@@ -205,11 +205,13 @@ In order to enable the gadget it must be bound to a UDC (USB Device Controller).
 
 $ echo <udc name> > UDC
 
-where <udc name> is one of those found in /sys/class/udc/*
+where <udc name> is one of those found in /sys/class/udc/* or "any" if you
+doesn't care about which controller to bind.
 e.g.:
 
 $ echo s3c-hsotg > UDC
-
+or
+$ echo any > UDC
 
 6. Disabling the gadget
 -----------------------
-- 
2.7.4