tile: use generic swiotlb_ops
These are identical to the tile ops, and would also support CMA if enabled on tile. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian König <christian.koenig@amd.com>
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@ -261,6 +261,7 @@ config NEED_SG_DMA_LENGTH
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config SWIOTLB
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bool
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default TILEGX
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select DMA_DIRECT_OPS
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select IOMMU_HELPER
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select NEED_SG_DMA_LENGTH
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select ARCH_HAS_DMA_SET_COHERENT_MASK
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@ -509,39 +509,9 @@ EXPORT_SYMBOL(gx_pci_dma_map_ops);
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/* PCI DMA mapping functions for legacy PCI devices */
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#ifdef CONFIG_SWIOTLB
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static void *tile_swiotlb_alloc_coherent(struct device *dev, size_t size,
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dma_addr_t *dma_handle, gfp_t gfp,
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unsigned long attrs)
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{
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gfp |= GFP_DMA32;
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return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
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}
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static void tile_swiotlb_free_coherent(struct device *dev, size_t size,
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void *vaddr, dma_addr_t dma_addr,
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unsigned long attrs)
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{
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swiotlb_free_coherent(dev, size, vaddr, dma_addr);
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}
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static const struct dma_map_ops pci_swiotlb_dma_ops = {
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.alloc = tile_swiotlb_alloc_coherent,
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.free = tile_swiotlb_free_coherent,
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.map_page = swiotlb_map_page,
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.unmap_page = swiotlb_unmap_page,
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.map_sg = swiotlb_map_sg_attrs,
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.unmap_sg = swiotlb_unmap_sg_attrs,
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.sync_single_for_cpu = swiotlb_sync_single_for_cpu,
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.sync_single_for_device = swiotlb_sync_single_for_device,
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.sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
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.sync_sg_for_device = swiotlb_sync_sg_for_device,
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.dma_supported = swiotlb_dma_supported,
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.mapping_error = swiotlb_dma_mapping_error,
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};
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static const struct dma_map_ops pci_hybrid_dma_ops = {
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.alloc = tile_swiotlb_alloc_coherent,
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.free = tile_swiotlb_free_coherent,
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.alloc = swiotlb_alloc,
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.free = swiotlb_free,
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.map_page = tile_pci_dma_map_page,
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.unmap_page = tile_pci_dma_unmap_page,
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.map_sg = tile_pci_dma_map_sg,
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@ -552,7 +522,7 @@ static const struct dma_map_ops pci_hybrid_dma_ops = {
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.sync_sg_for_device = tile_pci_dma_sync_sg_for_device,
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};
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const struct dma_map_ops *gx_legacy_pci_dma_map_ops = &pci_swiotlb_dma_ops;
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const struct dma_map_ops *gx_legacy_pci_dma_map_ops = &swiotlb_dma_ops;
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const struct dma_map_ops *gx_hybrid_pci_dma_map_ops = &pci_hybrid_dma_ops;
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#else
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const struct dma_map_ops *gx_legacy_pci_dma_map_ops;
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