From 6a1eddd2f951656a6abbd42e2cddc2267c4a639d Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 3 Sep 2009 15:15:10 +0200
Subject: [PATCH] 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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