From: Emil Tantilov <emil.s.tantilov@intel.com>
Date: Fri, 12 Apr 2013 02:10:25 +0000 (+0000)
Subject: ixgbe: fix register access during ethtool loopback test
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~11^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26b4742beaf18456195eeda1b8f59547f5569ac7;p=pandora-kernel.git

ixgbe: fix register access during ethtool loopback test

This patch cleans up the logic in ixgbe_setup_loopback_test() to only access
registers applicable to the MAC type. AUTOC is only valid on MACs older than
X540. MACC is used for X540.

In addition it removes a read of AUTOC and uses the stored value to force the
link up.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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