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    Subject[PATCH 5/6] dma-mapping: remove is_device_dma_capable
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    Signed-off-by: Christoph Hellwig <hch@lst.de>
    ---
    include/linux/dma-mapping.h | 5 -----
    1 file changed, 5 deletions(-)

    diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
    index f7d1eea32c78..14702e2d6fa8 100644
    --- a/include/linux/dma-mapping.h
    +++ b/include/linux/dma-mapping.h
    @@ -149,11 +149,6 @@ static inline int valid_dma_direction(int dma_direction)
    (dma_direction == DMA_FROM_DEVICE));
    }

    -static inline int is_device_dma_capable(struct device *dev)
    -{
    - return dev->dma_mask != NULL && *dev->dma_mask != DMA_MASK_NONE;
    -}
    -
    #ifdef CONFIG_DMA_DECLARE_COHERENT
    /*
    * These three functions are only for dma allocator.
    --
    2.20.1
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