No users left except for vmd which just forwards it. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- drivers/pci/controller/vmd.c | 6 ------ include/linux/dma-mapping.h | 7 ------- 2 files changed, 13 deletions(-) diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index e50b0b5815ff..98ce79eac128 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -394,11 +394,6 @@ static void vmd_sync_sg_for_device(struct device *dev, struct scatterlist *sg, vmd_dma_ops(dev)->sync_sg_for_device(to_vmd_dev(dev), sg, nents, dir); } -static int vmd_mapping_error(struct device *dev, dma_addr_t addr) -{ - return vmd_dma_ops(dev)->mapping_error(to_vmd_dev(dev), addr); -} - static int vmd_dma_supported(struct device *dev, u64 mask) { return vmd_dma_ops(dev)->dma_supported(to_vmd_dev(dev), mask); @@ -446,7 +441,6 @@ static void vmd_setup_dma_ops(struct vmd_dev *vmd) ASSIGN_VMD_DMA_OPS(source, dest, sync_single_for_device); ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_cpu); ASSIGN_VMD_DMA_OPS(source, dest, sync_sg_for_device); - ASSIGN_VMD_DMA_OPS(source, dest, mapping_error); ASSIGN_VMD_DMA_OPS(source, dest, dma_supported); ASSIGN_VMD_DMA_OPS(source, dest, get_required_mask); add_dma_domain(domain); diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 46bd612d929e..2adef56c6069 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -128,7 +128,6 @@ struct dma_map_ops { enum dma_data_direction dir); void (*cache_sync)(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction); - int (*mapping_error)(struct device *dev, dma_addr_t dma_addr); int (*dma_supported)(struct device *dev, u64 mask); u64 (*get_required_mask)(struct device *dev); }; @@ -575,15 +574,9 @@ static inline void dma_free_coherent(struct device *dev, size_t size, static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { - const struct dma_map_ops *ops = get_dma_ops(dev); - debug_dma_mapping_error(dev, dma_addr); - if (dma_addr == DMA_MAPPING_ERROR) return 1; - - if (ops->mapping_error) - return ops->mapping_error(dev, dma_addr); return 0; } -- 2.19.1