From 2ec7d2974c5665780e5f2b532833b76531f0a8d3 Mon Sep 17 00:00:00 2001
From: Yanir Lubetkin <yanirx.lubetkin@intel.com>
Date: Tue, 2 Jun 2015 17:05:47 +0300
Subject: [PATCH] e1000e: fix unit hang during loopback test

System would hang during execution of "ethtool -t <NIC>" for the same
reason that required flushing the descriptor rings. This fix disables
MULR for the loopback test to avoid the hang state.

Signed-off-by: Yanir Lubetkin <yanirx.lubetkin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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