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powerpc: dma_debug: add debug_dma_mapping_error support
author
Shuah Khan
<shuah.khan@hp.com>
Fri, 23 Nov 2012 21:35:36 +0000
(14:35 -0700)
committer
Joerg Roedel
<joro@8bytes.org>
Wed, 28 Nov 2012 14:28:59 +0000
(15:28 +0100)
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>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
arch/powerpc/include/asm/dma-mapping.h
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diff --git
a/arch/powerpc/include/asm/dma-mapping.h
b/arch/powerpc/include/asm/dma-mapping.h
index 78160874809a1e1e5faf8b049baec80a7bd24545..e27e9ad6818ea815164734711e1eb048e52ab5a2 100644
(file)
--- a/
arch/powerpc/include/asm/dma-mapping.h
+++ b/
arch/powerpc/include/asm/dma-mapping.h
@@
-172,6
+172,7
@@
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);