dma-noop is the only dma_mapping_ops instance for m32r and does not return
errors.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
arch/m32r/include/asm/dma-mapping.h | 2 --
1 file changed, 2 deletions(-)
diff --git a/arch/m32r/include/asm/dma-mapping.h b/arch/m32r/include/asm/dma-mapping.h
index c01d9f52d228..aff3ae8b62f7 100644
--- a/arch/m32r/include/asm/dma-mapping.h
+++ b/arch/m32r/include/asm/dma-mapping.h
@@ -8,8 +8,6 @@
#include <linux/dma-debug.h>
#include <linux/io.h>
-#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
-
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
return &dma_noop_ops;
--
2.11.0
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