From: Jesse Brandeburg <jesse.brandeburg@intel.com>
Date: Tue, 27 Apr 2010 01:37:41 +0000 (+0000)
Subject: ixgbe: fix bug when EITR=0 causing no writebacks
X-Git-Tag: v2.6.35-rc1~473^2~368
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ef021194d262bdfa706dc5755596e252175a6bbc;p=pandora-kernel.git

ixgbe: fix bug when EITR=0 causing no writebacks

writebacks can be held indefinitely by hardware if EITR=0, when
combined with TXDCTL.WTHRESH=8.  When EITR=0, WTHRESH should be
set back to zero.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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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