Christoph Hellwig d11e3d3d03 powerpc/iommu: remove the mapping_error dma_map_ops method ...

The powerpc iommu 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>

2018-12-06 06:56:38 -08:00

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