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c6x: dma_debug: add debug_dma_mapping_error support
author
Shuah Khan
<shuah.khan@hp.com>
Fri, 23 Nov 2012 21:32:06 +0000
(14:32 -0700)
committer
Joerg Roedel
<joro@8bytes.org>
Wed, 28 Nov 2012 14:28:57 +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>
Acked-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
arch/c6x/include/asm/dma-mapping.h
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diff --git
a/arch/c6x/include/asm/dma-mapping.h
b/arch/c6x/include/asm/dma-mapping.h
index 03579fd99dba62ad24c2649536a623ed37c24aa8..3c694065030f506708a9717ef7bbb5faf94f6bc1 100644
(file)
--- a/
arch/c6x/include/asm/dma-mapping.h
+++ b/
arch/c6x/include/asm/dma-mapping.h
@@
-32,6
+32,7
@@
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
*/
static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
+ debug_dma_mapping_error(dev, dma_addr);
return dma_addr == ~0;
}