iommu/dma: move the arm64 wrappers to common code

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There is nothing really arm64 specific in the iommu_dma_ops
implementation, so move it to dma-iommu.c and keep a lot of symbols
self-contained.  Note the implementation does depend on the
DMA_DIRECT_REMAP infrastructure for now, so we'll have to make the
DMA_IOMMU support depend on it, but this will be relaxed soon.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Christoph Hellwig 2019-05-20 09:29:29 +02:00 • committed by Joerg Roedel

parent 23f88e0a7e

commit 06d60728ff

4 changed files with 378 additions and 457 deletions

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394

arch/arm64/mm/dma-mapping.c

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1

drivers/iommu/Kconfig

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398

drivers/iommu/dma-iommu.c

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42

include/linux/dma-iommu.h

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