Patchwork [2/9] c6x: dma_debug: add debug_dma_mapping_error support

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Submitter Shuah Khan
Date Nov. 23, 2012, 9:32 p.m.
Message ID <1353706326.5270.97.camel@lorien2>
Download mbox | patch
Permalink /patch/201402/
State Not Applicable
Delegated to: David Miller
Headers show

Comments

Shuah Khan - Nov. 23, 2012, 9:32 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>
Acked-by: Mark Salter <msalter@redhat.com>
---
 arch/c6x/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/arch/c6x/include/asm/dma-mapping.h b/arch/c6x/include/asm/dma-mapping.h
index 03579fd..3c69406 100644
--- 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;
 }