[PATCH -tip 4/5] ia64: add CONFIG_DMA_API_DEBUG support

From: FUJITA Tomonori
Date: Thu May 07 2009 - 00:35:58 EST


Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
---
arch/ia64/Kconfig | 1 +
arch/ia64/include/asm/dma-mapping.h | 8 +++++++-
2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 294a3b1..170042b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -28,6 +28,7 @@ config IA64
select HAVE_DMA_ATTRS
select HAVE_KVM
select HAVE_ARCH_TRACEHOOK
+ select HAVE_DMA_API_DEBUG
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index bc462e1..3176204 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -8,6 +8,7 @@
#include <asm/machvec.h>
#include <linux/scatterlist.h>
#include <asm/swiotlb.h>
+#include <linux/dma-debug.h>

#define ARCH_HAS_DMA_GET_REQUIRED_MASK

@@ -24,13 +25,18 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *daddr, gfp_t gfp)
{
struct dma_map_ops *ops = platform_dma_get_ops(dev);
- return ops->alloc_coherent(dev, size, daddr, gfp);
+ void *caddr;
+
+ caddr = ops->alloc_coherent(dev, size, daddr, gfp);
+ debug_dma_alloc_coherent(dev, size, *daddr, caddr);
+ return caddr;
}

static inline void dma_free_coherent(struct device *dev, size_t size,
void *caddr, dma_addr_t daddr)
{
struct dma_map_ops *ops = platform_dma_get_ops(dev);
+ debug_dma_free_coherent(dev, size, caddr, daddr);
ops->free_coherent(dev, size, caddr, daddr);
}

--
1.6.0.6

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