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dma-debug: add checking for [alloc|free]_coherent

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Impact: add debug callbacks for dma_[alloc|free]_coherent

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel
2009-01-09 14:38:50 +01:00
parent 972aa45cea
commit 6bfd449876
2 changed files with 61 additions and 0 deletions
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16
include/linux/dma-debug.h
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@ -43,6 +43,12 @@ extern void debug_dma_map_sg(struct device *dev, struct scatterlist *sg,
extern void debug_dma_unmap_sg(struct device *dev, struct scatterlist *sglist,
int nelems, int dir);
extern void debug_dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t dma_addr, void *virt);
extern void debug_dma_free_coherent(struct device *dev, size_t size,
void *virt, dma_addr_t addr);
#else /* CONFIG_DMA_API_DEBUG */
static inline void dma_debug_init(u32 num_entries)
@ -73,6 +79,16 @@ static inline void debug_dma_unmap_sg(struct device *dev,
{
}
static inline void debug_dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t dma_addr, void *virt)
{
}
static inline void debug_dma_free_coherent(struct device *dev, size_t size,
void *virt, dma_addr_t addr)
{
}
#endif /* CONFIG_DMA_API_DEBUG */
#endif /* __DMA_DEBUG_H */