From: Li, Zhen-Hua <zhen-hual@hp.com>
Date: Mon, 25 Mar 2013 08:20:52 +0000 (+0800)
Subject: iommu/vt-d: dmar_fault should only clear PPF/PFO field.
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~25^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd5cdad0c8e0f0adcd6e9c582abe4c4233c19b03;p=pandora-kernel.git

iommu/vt-d: dmar_fault should only clear PPF/PFO field.

When there is a dmar irq, dmar_fault is called and all of the fields
in FSTS are cleared. But ICE/IQE/ITE should not be cleared here,
they need to be processed and cleared in function qi_check_fault.

[Minor cleanup by Joerg Roedel]

Signed-off-by: Li, Zhen-Hua <zhen-hual@hp.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
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