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Commit bb7c4deb authored Nov 23, 2012 by Shuah Khan Committed by Joerg Roedel Nov 28, 2012

ARM64: dma_debug: add debug_dma_mapping_error support



Add dma-debug interface debug_dma_mapping_error() to debug drivers that fail
to check dma mapping errors on addresses returned by dma_map_single() and
dma_map_page() interfaces.

Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>

parent 5d346d10

arch/arm64/include/asm/dma-mapping.h

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -50,6 +50,7 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
	static inline int dma_mapping_error(struct device *dev, dma_addr_t dev_addr)		static inline int dma_mapping_error(struct device *dev, dma_addr_t dev_addr)
	{		{
	struct dma_map_ops *ops = get_dma_ops(dev);		struct dma_map_ops *ops = get_dma_ops(dev);
			debug_dma_mapping_error(dev, dev_addr);
	return ops->mapping_error(dev, dev_addr);		return ops->mapping_error(dev, dev_addr);
	}		}