From 59c871c5f0540c974db85eaa77f518de26940c1f Mon Sep 17 00:00:00 2001
From: Jakub Kicinski <kubakici@wp.pl>
Date: Sat, 15 Mar 2014 14:55:00 +0000
Subject: [PATCH] e1000e: add timeout for TX HW time stamping work

Hardware may fail to report time stamp e.g.:
 - when hardware time stamping is not enabled
 - when time stamp is requested shortly after ifup

Timeout time stamp reading work to prevent it from
scheduling itself indefinitely. Report timeout events
via system log and device stats.

Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Reading git-format-patch failed