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Commit ebcf6f97 authored by Alexander Duyck's avatar Alexander Duyck Committed by Konrad Rzeszutek Wilk
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swiotlb: Drop unused functions swiotlb_map_sg and swiotlb_unmap_sg 



There are no users for swiotlb_map_sg or swiotlb_unmap_sg so we might as
well just drop them.

Signed-off-by: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Acked-by: default avatarChristoph Hellwig <hch@infradead.org>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad@kernel.org>
parent 0d2e1898

include/linux/swiotlb.h

+0 −8
Original line number Diff line number Diff line
@@ -72,14 +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);



extern int

swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,

		     enum dma_data_direction dir,

lib/swiotlb.c

+0 −16
Original line number Diff line number Diff line
@@ -910,14 +910,6 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems, 
}

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.
@@ -938,14 +930,6 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl, 
}

EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);



void

swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,

		 enum dma_data_direction dir)

{

	return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, 0);

}

EXPORT_SYMBOL(swiotlb_unmap_sg);



/*

 * Make physical memory consistent for a set of streaming mode DMA translations

 * after a transfer.