From: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Date: Thu, 24 Feb 2011 02:13:43 +0000 (-0800)
Subject: xhci: Clean up cycle bit math used during stalls.
X-Git-Tag: v2.6.39-rc1~472^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba0a4d9aaae789a6a632968b27c21d49b858b13a;p=pandora-kernel.git

xhci: Clean up cycle bit math used during stalls.

Use XOR to invert the cycle bit, instead of a more complicated
calculation.  Eliminate a check for the link TRB type in find_trb_seg().
We know that there will always be a link TRB at the end of a segment, so
xhci_segment->trbs[TRBS_PER_SEGMENT - 1] will always have a link TRB type.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
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