From: Andiry Xu <andiry.xu@amd.com>
Date: Mon, 12 Dec 2011 08:45:28 +0000 (+0800)
Subject: xHCI: BESL calculation based on USB2.0 LPM errata
X-Git-Tag: v3.4-rc1~184^2~21^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f99298bfa7c42da8d27c2b42050941471c0866ab;p=pandora-kernel.git

xHCI: BESL calculation based on USB2.0 LPM errata

The latest released errata for USB2.0 ECN LPM adds new fields to USB2.0
extension descriptor, defines two BESL values for device: baseline BESL
and deep BESL. Baseline BESL value communicates a nominal power savings
design point and the deep BESL value communicates a significant power
savings design point.

If device indicates BESL value, driver will use a value count in both
host BESL and device BESL. Use baseline BESL value as default.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Tested-by: Jason Fan <jcfan@qca.qualcomm.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
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