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

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

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/dma-debug.h b/include/linux/dma-debug.h
index ee9fdb328549..cb72dfd87326 100644
--- a/include/linux/dma-debug.h
+++ b/include/linux/dma-debug.h
@@ -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 */