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usb: xhci: check usb2 port capabilities before adding hw link PM support
authorMathias Nyman <mathias.nyman@linux.intel.com>
Thu, 23 May 2013 14:14:28 +0000 (17:14 +0300)
committerSarah Sharp <sarah.a.sharp@linux.intel.com>
Wed, 5 Jun 2013 23:46:19 +0000 (16:46 -0700)
Hardware link powermanagement in usb2 is a per-port capability.
Previously support for hw lpm was enabled for all ports if any usb2 port supported it.

Now instead cache the capability values and check them for each port individually

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

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