From: Joerg Roedel <joerg.roedel@amd.com>
Date: Mon, 15 Jun 2009 14:06:48 +0000 (+0200)
Subject: amd-iommu: set event buffer head and tail to 0 manually
X-Git-Tag: v2.6.31-rc1~97^2~16^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09067207f6eacb7f00c8f7f0623c3696083ce042;p=pandora-kernel.git

amd-iommu: set event buffer head and tail to 0 manually

These registers may contain values from previous kernels. So reset them
to known values before enable the event buffer again.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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