# \[PATCH 09/44\] c6x: remove DMA\_ERROR\_CODE

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2017-06-08 13:42:12 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2017/06/5016119
- Thread: https://ratatoskr.run/linux-arm-kernel/2017/06/5016133/t.md

```text
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 arch/c6x/include/asm/dma-mapping.h | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/c6x/include/asm/dma-mapping.h b/arch/c6x/include/asm/dma-mapping.h
index aca9f755e4f8..05daf1038111 100644
--- a/arch/c6x/include/asm/dma-mapping.h
+++ b/arch/c6x/include/asm/dma-mapping.h
@@ -12,11 +12,6 @@
 #ifndef _ASM_C6X_DMA_MAPPING_H
 #define _ASM_C6X_DMA_MAPPING_H
 
-/*
- * DMA errors are defined by all-bits-set in the DMA address.
- */
-#define DMA_ERROR_CODE ~0
-
 extern const struct dma_map_ops c6x_dma_ops;
 
 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
-- 
2.11.0
```