1 files changed, 0 insertions, 61 deletions
diff --git a/arch/mips/mm/dma-swiotlb.c b/arch/mips/mm/dma-swiotlb.c
deleted file mode 100644
index 6014ed3479fd..000000000000
--- a/arch/mips/mm/dma-swiotlb.c
+++ /dev/null
@@ -1,61 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/dma-mapping.h>
-#include <linux/swiotlb.h>
-
-static void *mips_swiotlb_alloc(struct device *dev, size_t size,
-		dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs)
-{
-	void *ret = swiotlb_alloc(dev, size, dma_handle, gfp, attrs);
-
-	mb();
-	return ret;
-}
-
-static dma_addr_t mips_swiotlb_map_page(struct device *dev,
-		struct page *page, unsigned long offset, size_t size,
-		enum dma_data_direction dir, unsigned long attrs)
-{
-	dma_addr_t daddr = swiotlb_map_page(dev, page, offset, size,
-					dir, attrs);
-	mb();
-	return daddr;
-}
-
-static int mips_swiotlb_map_sg(struct device *dev, struct scatterlist *sg,
-		int nents, enum dma_data_direction dir, unsigned long attrs)
-{
-	int r = swiotlb_map_sg_attrs(dev, sg, nents, dir, attrs);
-	mb();
-
-	return r;
-}
-
-static void mips_swiotlb_sync_single_for_device(struct device *dev,
-		dma_addr_t dma_handle, size_t size, enum dma_data_direction dir)
-{
-	swiotlb_sync_single_for_device(dev, dma_handle, size, dir);
-	mb();
-}
-
-static void mips_swiotlb_sync_sg_for_device(struct device *dev,
-		struct scatterlist *sg, int nents, enum dma_data_direction dir)
-{
-	swiotlb_sync_sg_for_device(dev, sg, nents, dir);
-	mb();
-}
-
-const struct dma_map_ops mips_swiotlb_ops = {
-	.alloc			= mips_swiotlb_alloc,
-	.free			= swiotlb_free,
-	.map_page		= mips_swiotlb_map_page,
-	.unmap_page		= swiotlb_unmap_page,
-	.map_sg			= mips_swiotlb_map_sg,
-	.unmap_sg		= swiotlb_unmap_sg_attrs,
-	.sync_single_for_cpu	= swiotlb_sync_single_for_cpu,
-	.sync_single_for_device	= mips_swiotlb_sync_single_for_device,
-	.sync_sg_for_cpu	= swiotlb_sync_sg_for_cpu,
-	.sync_sg_for_device	= mips_swiotlb_sync_sg_for_device,
-	.mapping_error		= swiotlb_dma_mapping_error,
-	.dma_supported		= swiotlb_dma_supported,
-};
-EXPORT_SYMBOL(mips_swiotlb_ops);