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Diffstat (limited to 'arch/openrisc/include/asm/dma-mapping.h')
-rw-r--r--arch/openrisc/include/asm/dma-mapping.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/openrisc/include/asm/dma-mapping.h b/arch/openrisc/include/asm/dma-mapping.h
index 0c0075f17145..f41bd3cb76d9 100644
--- a/arch/openrisc/include/asm/dma-mapping.h
+++ b/arch/openrisc/include/asm/dma-mapping.h
@@ -26,8 +26,6 @@
#include <linux/kmemcheck.h>
#include <linux/dma-mapping.h>
-#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
-
extern const struct dma_map_ops or1k_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
@@ -35,11 +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 */