* [PATCH 8/9] sparc: dma_debug: add debug_dma_mapping_error support
@ 2012-11-23 21:37 Shuah Khan
0 siblings, 0 replies; only message in thread
From: Shuah Khan @ 2012-11-23 21:37 UTC (permalink / raw)
To: Joerg Roedel, a-jacquiot, fenghua.yu, catalin.marinas, lethal,
benh, ralf, tony.luck, davem, m.szyprowski, msalter, monstr,
Ming Lei
Cc: linux-mips, linux-ia64, linux-c6x-dev, linux-sh,
microblaze-uclinux, LKML, shuahkhan, sparclinux, linuxppc-dev,
linux-arm-kernel
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(+)
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);
}
--
1.7.9.5
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