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[PATCH RFT] mips: dma-mapping: support debug_dma_mapping_error

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