Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 12/16] dma-debug: add checks for sync_single_* | Date | Fri, 9 Jan 2009 17:19:26 +0100 |
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Impact: add debug callbacks for dma_sync_single_for_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- include/linux/dma-debug.h | 20 ++++++++++++++++++++ lib/dma-debug.c | 20 ++++++++++++++++++++ 2 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index a28a701..f39c2a8 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -46,6 +46,14 @@ extern void debug_alloc_coherent(struct device *dev, size_t size, extern void debug_free_coherent(struct device *dev, size_t size, void *virt, dma_addr_t addr); +extern void debug_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, size_t size, + int direction); + +extern void debug_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction); + #else /* CONFIG_DMA_API_DEBUG */ static inline void dma_debug_init(u32 num_entries) @@ -84,6 +92,18 @@ static inline void debug_free_coherent(struct device *dev, size_t size, { } +static inline void debug_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction) +{ +} + +static inline void debug_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction) +{ +} + #endif /* CONFIG_DMA_API_DEBUG */ #endif /* __DMA_DEBUG_H */ diff --git a/lib/dma-debug.c b/lib/dma-debug.c index a4a5b0f..a7f2369 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -649,3 +649,23 @@ void debug_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(debug_free_coherent); +void debug_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, + size_t size, int direction) +{ + if (global_disable) + return; + + check_sync(dev, dma_handle, size, 0, direction, true); +} +EXPORT_SYMBOL(debug_sync_single_for_cpu); + +void debug_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, + size_t size, int direction) +{ + if (global_disable) + return; + + check_sync(dev, dma_handle, size, 0, direction, false); +} +EXPORT_SYMBOL(debug_sync_single_for_device); + -- 1.5.6.4
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