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* [PATCH 7/9] sh: dma_debug: add debug_dma_mapping_error support
@ 2012-11-23 21:36 Shuah Khan
  0 siblings, 0 replies; only message in thread
From: Shuah Khan @ 2012-11-23 21:36 UTC (permalink / raw)
  To: Joerg Roedel, a-jacquiot, fenghua.yu, catalin.marinas, lethal,
	benh, ralf, tony.luck, davem, m.szyprowski, msalter, monstr,
	Ming Lei
  Cc: linux-mips, linux-ia64, linux-c6x-dev, linux-sh,
	microblaze-uclinux, LKML, shuahkhan, sparclinux, linuxppc-dev,
	linux-arm-kernel

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

diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 8bd965e..b437f2c 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -46,6 +46,7 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
 	struct dma_map_ops *ops = get_dma_ops(dev);
 
+	debug_dma_mapping_error(dev, dma_addr);
 	if (ops->mapping_error)
 		return ops->mapping_error(dev, dma_addr);
 
-- 
1.7.9.5

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2012-11-23 21:36 [PATCH 7/9] sh: dma_debug: add debug_dma_mapping_error support Shuah Khan

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