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m32r: remove DMA_ERROR_CODE

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dma-noop is the only dma_mapping_ops instance for m32r and does not return
errors.

Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Christoph Hellwig 2017-05-21 12:29:17 +02:00
commit 7c72e0d557
1 changed files with 0 additions and 2 deletions
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2
arch/m32r/include/asm/dma-mapping.h
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@ -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;