diff options
| author |   Christoph Hellwig <hch@lst.de> | 2018-11-21 18:52:35 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-06 06:56:36 -0800 |
| commit | b0cbeae4944924640bf550b75487729a20204c14 (patch) | |
| tree | ad7ddcb65ac796861e1a9af8db84a8eb116bb2e1 /include/linux/dma-direct.h | |
| parent | dma-mapping: provide a generic DMA_MAPPING_ERROR (diff) | |
| download | linux-dev-b0cbeae4944924640bf550b75487729a20204c14.tar.xz linux-dev-b0cbeae4944924640bf550b75487729a20204c14.zip | |
dma-direct: remove the mapping_error dma_map_ops method
The dma-direct code already returns (~(dma_addr_t)0x0) on mapping
failures, so we can switch over to returning DMA_MAPPING_ERROR and let
the core dma-mapping code handle the rest.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/dma-direct.h')
| -rw-r--r-- | include/linux/dma-direct.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/dma-direct.h b/include/linux/dma-direct.h index 61b78f934f64..6e5a47ae7d64 100644 --- a/include/linux/dma-direct.h +++ b/include/linux/dma-direct.h @@ -5,8 +5,6 @@ #include <linux/dma-mapping.h> #include <linux/mem_encrypt.h> -#define DIRECT_MAPPING_ERROR (~(dma_addr_t)0) - #ifdef CONFIG_ARCH_HAS_PHYS_TO_DMA #include <asm/dma-direct.h> #else @@ -76,5 +74,4 @@ dma_addr_t dma_direct_map_page(struct device *dev, struct page *page, int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents, enum dma_data_direction dir, unsigned long attrs); int dma_direct_supported(struct device *dev, u64 mask); -int dma_direct_mapping_error(struct device *dev, dma_addr_t dma_addr); #endif /* _LINUX_DMA_DIRECT_H */ |