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: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by:  Christoph Hellwig <hch@infradead.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad@kernel.org>

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 5f81f8a187f2adf8f83f0b19fdd93ce09b46e714..f0d2589678693242ed860befa31fd6eeee0c21b1 100644 (file)
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -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,

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 6ce764410ae475cc8ba4d1324b4e78c56df2a6c9..bdcc0d8a7405a516ec8dc8ffafc509693a5cc7f4 100644 (file)
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -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.