From: John Fastabend <john.r.fastabend@intel.com>
Date: Tue, 29 Jun 2010 18:28:36 +0000 (+0000)
Subject: ixgbe: disable tx engine before disabling tx laser
X-Git-Tag: v2.6.35-rc5~14^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f756f018a6d9f83556f972ce7fcd6870274efae;p=pandora-kernel.git

ixgbe: disable tx engine before disabling tx laser

Disabling the tx laser while receiving DMA requests
can hang the device.  After this occurs the device
is in a bad state. The GPIO bit never clears when
PCI master access is disabled and a reboot is required
to get the device in a good state again.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@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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