From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 3 Sep 2009 13:15:10 +0000 (+0200)
Subject: x86/amd-iommu: Reset command buffer if wait loop fails
X-Git-Tag: v2.6.32-rc1~727^2^2~2^3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a1eddd2f951656a6abbd42e2cddc2267c4a639d;p=pandora-kernel.git

x86/amd-iommu: Reset command buffer if wait loop fails

Instead of a panic on an comletion wait loop failure, try to
recover from that event from resetting the command buffer.

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