From: Don Skidmore <donald.c.skidmore@intel.com>
Date: Fri, 3 Dec 2010 13:23:30 +0000 (+0000)
Subject: ixgbe: fix for link failure on SFP+ DA cables
X-Git-Tag: v2.6.38-rc1~476^2~304
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7f5a5fcd9f13afd3471a0de8c1fdaa8f989497c;p=pandora-kernel.git

ixgbe: fix for link failure on SFP+ DA cables

This patch helps prevent FW/SW semaphore collision from leading
to link establishment failure.  The collision might mess up the
PHY registers so we reset the PHY.  However there are SFI/KR areas
in the PHY that are not reset with a Reset_AN so we need to change
LMS to reset it.  Also wait until AN state machine is AN_GOOD

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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