USB: Add a sysfs file to show LTM capabilities.
authorSarah Sharp <sarah.a.sharp@linux.intel.com>
Fri, 6 Jul 2012 00:17:24 +0000 (17:17 -0700)
committerSarah Sharp <sarah.a.sharp@linux.intel.com>
Wed, 11 Jul 2012 11:06:48 +0000 (07:06 -0400)
commit024f117c2f3c4bb5df6e6696b709e0f3ed7e5dbb
tree3ad556877608c58bd7844f82810dfc0d471d4f63
parentf74631e3426474183389e55f703797bd965cd356
USB: Add a sysfs file to show LTM capabilities.

USB 3.0 devices can optionally support Latency Tolerance Messaging
(LTM).  Add a new sysfs file in the device directory to show whether a
device is LTM capable.  This file will be present for both USB 2.0 and
USB 3.0 devices.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Documentation/ABI/testing/sysfs-bus-usb
drivers/usb/core/hub.c
drivers/usb/core/sysfs.c
include/linux/usb.h