From: Carolyn Wyborny <carolyn.wyborny@intel.com>
Date: Sat, 3 Aug 2013 01:53:54 +0000 (+0000)
Subject: e1000e: Add code to check for failure of pci_disable_link_state call
X-Git-Tag: v3.12-rc1~132^2~206^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13129d9b6183bf93b005ed9ad0eb46122794fe21;p=pandora-kernel.git

e1000e: Add code to check for failure of pci_disable_link_state call

This patch attempts to work around a problem found with some systems where
the call to pci_diable_link_state_locked() fails.  As a result, ASPM is not,
in fact, disabled.  Changing disable ASPM code to check if state actually
is disabled after the call and, if not, try another way to disable it.

Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Acked-by: Bruce W. Allan <bruce.w.allan@intel.com>
Tested-by: Pavel Machek <pavel@ucw.cz>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

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