dma-direct: remove the mapping_error dma_map_ops method

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The dma-direct code already returns (~(dma_addr_t)0x0) on mapping
failures, so we can switch over to returning DMA_MAPPING_ERROR and let
the core dma-mapping code handle the rest.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>

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This commit is contained in:

Christoph Hellwig 2018-11-21 18:52:35 +01:00

parent 42ee3cae0e

commit b0cbeae494

4 changed files with 6 additions and 17 deletions

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1

arch/powerpc/kernel/dma-swiotlb.c

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3

include/linux/dma-direct.h

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8

kernel/dma/direct.c

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11

kernel/dma/swiotlb.c

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