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    Subject[net-next PATCH 01/27] swiotlb: Drop unused function swiotlb_map_sg
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    There are no users for swiotlb_map_sg so we might as well just drop it.

    Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
    Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
    ---
    include/linux/swiotlb.h | 4 ----
    lib/swiotlb.c | 8 --------
    2 files changed, 12 deletions(-)

    diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
    index 5f81f8a..e237b6f 100644
    --- a/include/linux/swiotlb.h
    +++ b/include/linux/swiotlb.h
    @@ -72,10 +72,6 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
    size_t size, enum dma_data_direction dir,
    unsigned long attrs);

    -extern int
    -swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
    - enum dma_data_direction dir);
    -
    extern void
    swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
    enum dma_data_direction dir);
    diff --git a/lib/swiotlb.c b/lib/swiotlb.c
    index 22e13a0..47aad37 100644
    --- a/lib/swiotlb.c
    +++ b/lib/swiotlb.c
    @@ -910,14 +910,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
    }
    EXPORT_SYMBOL(swiotlb_map_sg_attrs);

    -int
    -swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
    - enum dma_data_direction dir)
    -{
    - return swiotlb_map_sg_attrs(hwdev, sgl, nelems, dir, 0);
    -}
    -EXPORT_SYMBOL(swiotlb_map_sg);
    -
    /*
    * Unmap a set of streaming mode DMA translations. Again, cpu read rules
    * concerning calls here are the same as for swiotlb_unmap_page() above.
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