dma-coherent: remove the DMA_MEMORY_MAP and DMA_MEMORY_IO flags

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DMA_MEMORY_IO was never used in the tree, so remove it.  That means there is
no need for the DMA_MEMORY_MAP flag either now, so remove it as well and
change dma_declare_coherent_memory to return a normal errno value.

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

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This commit is contained in:

Christoph Hellwig 2017-08-25 17:13:09 +02:00

parent b32dbc1e0b

commit 2436bdcda5

11 changed files with 52 additions and 111 deletions

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6

include/linux/dma-mapping.h

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