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sparc: implement ->mapping_error

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DMA_ERROR_CODE is going to go away, so don't rely on it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2017-05-21 13:33:44 +02:00
parent 81cac18e11
commit ceaf481c4f
4 changed files with 21 additions and 9 deletions
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2
arch/sparc/include/asm/dma-mapping.h
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@@ -5,8 +5,6 @@
#include <linux/mm.h>
#include <linux/dma-debug.h>
#define DMA_ERROR_CODE (~(dma_addr_t)0x0)
#define HAVE_ARCH_DMA_SUPPORTED 1
int dma_supported(struct device *dev, u64 mask);