From 4e8cec269dd9e823804141f25ce37c23e72d3c12 Mon Sep 17 00:00:00 2001
From: "Sosnowski, Maciej" <maciej.sosnowski@intel.com>
Date: Thu, 16 Sep 2010 06:02:26 +0000
Subject: [PATCH] dca: disable dca on IOAT ver.3.0 multiple-IOH platforms

Direct Cache Access is not supported on IOAT ver.3.0 multiple-IOH platforms.
This patch blocks registering of dca providers when multiple IOH detected with IOAT ver.3.0.

Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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