From 292827cb164ad00cc7689a21283b1261c0b6daed Mon Sep 17 00:00:00 2001
From: Allen Kay <allen.m.kay@intel.com>
Date: Fri, 14 Oct 2011 12:31:54 -0700
Subject: [PATCH] intel-iommu: fix return value of iommu_unmap() API

iommu_unmap() API expects IOMMU drivers to return the actual page order
of the address being unmapped.  Previous code was just returning page
order passed in from the caller.  This patch fixes this problem.

Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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