From: Alex Williamson <alex.williamson@redhat.com>
Date: Wed, 30 May 2012 20:18:41 +0000 (-0600)
Subject: driver core: Add iommu_group tracking to struct device
X-Git-Tag: v3.6-rc1~111^2^4~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74416e1e07660798379ce10a210bf4fd35b84f9f;p=pandora-kernel.git

driver core: Add iommu_group tracking to struct device

IOMMU groups allow IOMMU drivers to represent DMA visibility
and isolation of devices.  Multiple devices may be grouped
together for the purposes of DMA.  Placing a pointer on
struct device enable easy access for things like streaming
DMA programming and drivers like VFIO.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

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