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openrisc: remove DMA_ERROR_CODE

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openrisc does not return errors for dma_map_page.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-05-21 12:32:27 +02:00
parent b0230a6952
commit d7950f8347
1 changed files with 0 additions and 2 deletions
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2
arch/openrisc/include/asm/dma-mapping.h
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@ -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)