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authorChristoph Hellwig <hch@lst.de>2017-05-22 11:11:20 +0200
committerChristoph Hellwig <hch@lst.de>2017-06-28 06:54:44 -0700
commit19ad53e498745416a77c0377cbb4ee771eedd35b (patch)
tree1b7517c5497647330a0de3545c22083bc59c725e /arch/openrisc
parent3d6119a4a1f3f6c36be494d72a0374822b4a265c (diff)
openrisc: remove arch-specific dma_supported implementation
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>
Diffstat (limited to 'arch/openrisc')
-rw-r--r--arch/openrisc/include/asm/dma-mapping.h7
1 files changed, 0 insertions, 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 */