dma-mapping: remove the default map_resource implementation

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Instead provide a proper implementation in the direct mapping code, and
also wire it up for arm and powerpc, leaving an error return for all the
IOMMU or virtual mapping instances for which we'd have to wire up an
actual implementation

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>

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This commit is contained in:

Christoph Hellwig 2019-01-04 18:20:05 +01:00

parent f17b5f06cb

commit cfced78696

5 changed files with 25 additions and 5 deletions

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2

arch/arm/mm/dma-mapping.c

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1

arch/powerpc/kernel/dma-swiotlb.c

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1

arch/powerpc/kernel/dma.c

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12

include/linux/dma-mapping.h

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14

kernel/dma/direct.c

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