Messages in this thread Patch in this message | | | From | Christoph Hellwig <> | Subject | [PATCH 33/44] openrisc: remove arch-specific dma_supported implementation | Date | Fri, 16 Jun 2017 20:10:48 +0200 |
| |
This implementation is simply bogus - openrisc only has a simple direct mapped DMA implementation and thus doesn't care about the address.
Signed-off-by: Christoph Hellwig <hch@lst.de> --- arch/openrisc/include/asm/dma-mapping.h | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h index a4ea139c2ef9..f41bd3cb76d9 100644 --- a/arch/openrisc/include/asm/dma-mapping.h +++ b/arch/openrisc/include/asm/dma-mapping.h @@ -33,11 +33,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) return &or1k_dma_map_ops; } -#define HAVE_ARCH_DMA_SUPPORTED 1 -static inline int dma_supported(struct device *dev, u64 dma_mask) -{ - /* Support 32 bit DMA mask exclusively */ - return dma_mask == DMA_BIT_MASK(32); -} - #endif /* __ASM_OPENRISC_DMA_MAPPING_H */ -- 2.11.0
| |