linux-kernel - [PATCH RFT] mips: dma-mapping: support debug_dma_mapping

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Date:	Thu, 25 Oct 2012 17:36:33 -0600
From:	Shuah Khan <shuah.khan@...com>
To:	ralf@...ux-mips.org, kyungmin.park@...sung.com,
	m.szyprowski@...sung.com, arnd@...db.de, andrzej.p@...sung.com
Cc:	linux-mips@...ux-mips.org, LKML <linux-kernel@...r.kernel.org>,
	shuahkhan@...il.com
Subject: [PATCH RFT] mips: dma-mapping: support debug_dma_mapping_error

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@...com>
---
 arch/mips/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index be39a12..0929b08 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -40,6 +40,7 @@ static inline int dma_supported(struct device *dev, u64 mask)
 static inline int dma_mapping_error(struct device *dev, u64 mask)
 {
 	struct dma_map_ops *ops = get_dma_ops(dev);
+	debug_dma_mapping_error(dev, mask);
 	return ops->mapping_error(dev, mask);
 }
 
-- 
1.7.9.5



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