From: Eugeni Dodonov <eugeni.dodonov@intel.com>
Date: Wed, 23 Nov 2011 18:42:14 +0000 (-0200)
Subject: iommu: Export intel_iommu_enabled to signal when iommu is in use
X-Git-Tag: v3.2-rc6~5^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8bc1f85c02a20a59956b00b3acea12c04dce9ae8;p=pandora-kernel.git

iommu: Export intel_iommu_enabled to signal when iommu is in use

In i915 driver, we do not enable either rc6 or semaphores on SNB when dmar
is enabled. The new 'intel_iommu_enabled' variable signals when the
iommu code is in operation.

Cc: Ted Phelps <phelps@gnusto.com>
Cc: Peter <pab1612@gmail.com>
Cc: Lukas Hejtmanek <xhejtman@fi.muni.cz>
Cc: Andrew Lutomirski <luto@mit.edu>
CC: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
---

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