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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>
Shuah Khan 12 年之前
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共有 1 个文件被更改,包括 1 次插入0 次删除
  1. 1 0
      arch/arm64/include/asm/dma-mapping.h

+ 1 - 0
arch/arm64/include/asm/dma-mapping.h

@@ -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);
 }
 }