diff options
| author | Joerg Roedel <joerg.roedel@amd.com> | 2009-01-09 16:43:04 +0300 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2009-03-05 22:35:20 +0300 |
| commit | b9d2317e0c4aed02afd20022083b2a485289605d (patch) | |
| tree | 65f3860698cad2c1cc120220da6f72a400123001 | |
| parent | 6bfd4498764d6201399849d2e80fda95db7742c0 (diff) | |
| download | linux-b9d2317e0c4aed02afd20022083b2a485289605d.tar.xz | |
dma-debug: add checks for sync_single_*
Impact: add debug callbacks for dma_sync_single_for_* functions
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
| -rw-r--r-- | include/linux/dma-debug.h | 20 | ||||
| -rw-r--r-- | lib/dma-debug.c | 21 |
2 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h index cb72dfd87326..0eee7af5143f 100644 --- a/include/linux/dma-debug.h +++ b/include/linux/dma-debug.h @@ -49,6 +49,14 @@ extern void debug_dma_alloc_coherent(struct device *dev, size_t size, extern void debug_dma_free_coherent(struct device *dev, size_t size, void *virt, dma_addr_t addr); +extern void debug_dma_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, size_t size, + int direction); + +extern void debug_dma_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) @@ -89,6 +97,18 @@ static inline void debug_dma_free_coherent(struct device *dev, size_t size, { } +static inline void debug_dma_sync_single_for_cpu(struct device *dev, + dma_addr_t dma_handle, + size_t size, int direction) +{ +} + +static inline void debug_dma_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 44af837f68ef..714cfb6ca0e4 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -737,3 +737,24 @@ void debug_dma_free_coherent(struct device *dev, size_t size, } EXPORT_SYMBOL(debug_dma_free_coherent); +void debug_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, + size_t size, int direction) +{ + if (unlikely(global_disable)) + return; + + check_sync(dev, dma_handle, size, 0, direction, true); +} +EXPORT_SYMBOL(debug_dma_sync_single_for_cpu); + +void debug_dma_sync_single_for_device(struct device *dev, + dma_addr_t dma_handle, size_t size, + int direction) +{ + if (unlikely(global_disable)) + return; + + check_sync(dev, dma_handle, size, 0, direction, false); +} +EXPORT_SYMBOL(debug_dma_sync_single_for_device); + |