1 files changed, 12 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-devices-platform-_UDC_-gadget b/Documentation/ABI/testing/sysfs-devices-platform-_UDC_-gadget
index 34034027b13c..d548eaac230a 100644
--- a/Documentation/ABI/testing/sysfs-devices-platform-_UDC_-gadget
+++ b/Documentation/ABI/testing/sysfs-devices-platform-_UDC_-gadget
@@ -7,3 +7,15 @@ Description:
                 0 -> resumed
 
                 (_UDC_ is the name of the USB Device Controller driver)
+
+What:           /sys/devices/platform/_UDC_/gadget/gadget-lunX/nofua
+Date:           July 2010
+Contact:        Andy Shevchenko <andy.shevchenko@gmail.com>
+Description:
+                Show or set the reaction on the FUA (Force Unit Access) bit in
+                the SCSI WRITE(10,12) commands when a gadget in USB Mass
+                Storage mode.
+
+                Possible values are:
+                        1 -> ignore the FUA flag
+                        0 -> obey the FUA flag