Patchwork [5/9] mips: dma_debug: add debug_dma_mapping_error support

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Submitter Shuah Khan
Date Nov. 23, 2012, 9:34 p.m.
Message ID <1353706496.5270.101.camel@lorien2>
Download mbox | patch
Permalink /patch/201406/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Shuah Khan - Nov. 23, 2012, 9:34 p.m.
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/mips/include/asm/dma-mapping.h |    2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index be39a12..006b43e 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -40,6 +40,8 @@  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);
 }