From 156baca8d31e1aced2c8a14262637aef1ab416b9 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sun, 9 Mar 2014 14:00:57 -0700
Subject: [PATCH] iommu/vt-d: Make device_to_iommu() cope with non-PCI devices

Pass the struct device to it, and also make it return the bus/devfn to use,
since that is also stored in the DMAR table.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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