From 52717828356b643a1650fca845b4af488a954cca Mon Sep 17 00:00:00 2001
From: Joerg Roedel <jroedel@suse.de>
Date: Tue, 28 Jul 2015 16:58:51 +0200
Subject: [PATCH] iommu/amd: Set global dma_ops if swiotlb is disabled

Some AMD systems also have non-PCI devices which can do DMA.
Those can't be handled by the AMD IOMMU, as the hardware can
only handle PCI. These devices would end up with no dma_ops,
as neither the per-device nor the global dma_ops will get
set. SWIOTLB provides global dma_ops when it is active, so
make sure there are global dma_ops too when swiotlb is
disabled.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
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