From d9b2099cd66de3164f6e17a5c0e3f14cce24a9a3 Mon Sep 17 00:00:00 2001
From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Mon, 20 Feb 2012 08:31:26 -0800
Subject: [PATCH] USB: Refactor code to set LPM support flag.

Refactor the code that sets the usb_device flag to indicate the device
support link power management (lpm_capable).  The current code sets
lpm_capable unconditionally if the USB devices have a USB 2.0 Extended
Capabilities Descriptor.  USB 3.0 devices can also have that descriptor,
but the xHCI driver code that uses lpm_capable will not run the USB 2.0
LPM test for devices under the USB 3.0 roothub.  Therefore, it's fine
only set lpm_capable for high speed devices in this refactoring.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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