diff options
| -rw-r--r-- | arch/mips/include/asm/dma-mapping.h | 5 | ||||
| -rw-r--r-- | arch/mips/mm/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/mm/dma-swiotlb.c | 61 |
3 files changed, 3 insertions, 64 deletions
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h index 1c6e0c8ef483..e81c4e97ff1a 100644 --- a/arch/mips/include/asm/dma-mapping.h +++ b/arch/mips/include/asm/dma-mapping.h @@ -2,15 +2,16 @@ #ifndef _ASM_DMA_MAPPING_H #define _ASM_DMA_MAPPING_H +#include <linux/swiotlb.h> + extern const struct dma_map_ops jazz_dma_ops; -extern const struct dma_map_ops mips_swiotlb_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { #if defined(CONFIG_MACH_JAZZ) return &jazz_dma_ops; #elif defined(CONFIG_SWIOTLB) - return &mips_swiotlb_ops; + return &swiotlb_dma_ops; #elif defined(CONFIG_DMA_NONCOHERENT_OPS) return &dma_noncoherent_ops; #else diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile index 6922f393af19..3e5bb203c95a 100644 --- a/arch/mips/mm/Makefile +++ b/arch/mips/mm/Makefile @@ -18,7 +18,6 @@ obj-$(CONFIG_64BIT) += pgtable-64.o obj-$(CONFIG_HIGHMEM) += highmem.o obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o obj-$(CONFIG_DMA_NONCOHERENT) += dma-noncoherent.o -obj-$(CONFIG_SWIOTLB) += dma-swiotlb.o obj-$(CONFIG_CPU_R4K_CACHE_TLB) += c-r4k.o cex-gen.o tlb-r4k.o obj-$(CONFIG_CPU_R3000) += c-r3k.o tlb-r3k.o 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); |
