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

From: Shuah Khan <hidden>
Date: 2012-11-23 21:32:14
Also in: linux-arm-kernel, linux-mips, linux-sh, lkml, sparclinux
Subsystem: the rest · Maintainer: Linus Torvalds

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 <redacted>
Acked-by: Mark Salter <redacted>
---
 arch/c6x/include/asm/dma-mapping.h |    1 +
 1 file changed, 1 insertion(+)
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;
 }
 
-- 
1.7.9.5
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help