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

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Message-ID: <1351206731.6851.10.camel@lorien2>
Date:	Thu, 25 Oct 2012 17:12:11 -0600
From:	Shuah Khan <shuah.khan@...com>
To:	rkuo@...eaurora.org, arnd@...db.de, linas@...eaurora.org,
	kyungmin.park@...sung.com, m.szyprowski@...sung.com
Cc:	linux-hexagon@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	shuahkhan@...il.com
Subject: [PATCH RFT] hexagon: 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/hexagon/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/hexagon/include/asm/dma-mapping.h b/arch/hexagon/include/asm/dma-mapping.h
index 85e9935..1957c4c 100644
--- a/arch/hexagon/include/asm/dma-mapping.h
+++ b/arch/hexagon/include/asm/dma-mapping.h
@@ -65,6 +65,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
 	struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
+	debug_dma_mapping_error(dev, dma_addr);
 	if (dma_ops->mapping_error)
 		return dma_ops->mapping_error(dev, dma_addr);
 
-- 
1.7.9.5



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