Patchwork [8/9] sparc: dma_debug: add debug_dma_mapping_error support

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Submitter Shuah Khan
Date Nov. 23, 2012, 9:37 p.m.
Message ID <1353706642.5270.104.camel@lorien2>
Download mbox | patch
Permalink /patch/201411/
State Not Applicable
Headers show

Comments

Shuah Khan - Nov. 23, 2012, 9:37 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: David S. Miller <davem@davemloft.net>
---
 arch/sparc/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 8493fd3..05fe53f 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -59,6 +59,7 @@  static inline void dma_free_attrs(struct device *dev, size_t size,
 
 static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
+	debug_dma_mapping_error(dev, dma_addr);
 	return (dma_addr == DMA_ERROR_CODE);
 }