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xtensa: remove DMA_ERROR_CODE 

xtensa already implements the mapping_error method for its only
dma_map_ops instance.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-05-21 12:49:22 +02:00
parent f2a80aedb2
commit 50f5c08b01
1 changed files with 0 additions and 2 deletions
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2
arch/xtensa/include/asm/dma-mapping.h
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@ -16,8 +16,6 @@
#include <linux/mm.h>
#include <linux/scatterlist.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
extern const struct dma_map_ops xtensa_dma_map_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)