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* [PATCH RFT] ARM64: dma-mapping: support debug_dma_mapping_error
@ 2012-10-25 22:47 Shuah Khan
  2012-10-26  8:38 ` Santosh Shilimkar
  2012-10-26 14:48 ` Catalin Marinas
  0 siblings, 2 replies; 7+ messages in thread
From: Shuah Khan @ 2012-10-25 22:47 UTC (permalink / raw)
  To: linux-arm-kernel

Add support for debug_dma_mapping_error() call to avoid warning from
debug_dma_unmap() interface when it checks for mapping error checked
status. Without this patch, device driver failed to check map error
warning is generated. 

Signed-off-by: Shuah Khan <shuah.khan@hp.com>
---
 arch/arm64/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h
index 538f4b4..9947768 100644
--- a/arch/arm64/include/asm/dma-mapping.h
+++ b/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)
 {
 	struct dma_map_ops *ops = get_dma_ops(dev);
+	debug_dma_mapping_error(dev, dev_addr);
 	return ops->mapping_error(dev, dev_addr);
 }
 
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2012-11-15 17:11 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2012-10-25 22:47 [PATCH RFT] ARM64: dma-mapping: support debug_dma_mapping_error Shuah Khan
2012-10-26  8:38 ` Santosh Shilimkar
2012-10-26 14:48 ` Catalin Marinas
2012-10-26 15:23   ` [PATCH linux-next] " Shuah Khan
2012-11-02 15:58     ` Shuah Khan
2012-11-05 16:46       ` Catalin Marinas
2012-11-15 17:11         ` Shuah Khan

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