powerpc: Add CONFIG_DMA_API_DEBUG support
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 4bd41b405..cb2ca41 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -127,9 +127,15 @@
dma_addr_t *dma_handle, gfp_t flag)
{
struct dma_map_ops *dma_ops = get_dma_ops(dev);
+ void *cpu_addr;
BUG_ON(!dma_ops);
- return dma_ops->alloc_coherent(dev, size, dma_handle, flag);
+
+ cpu_addr = dma_ops->alloc_coherent(dev, size, dma_handle, flag);
+
+ debug_dma_alloc_coherent(dev, size, *dma_handle, cpu_addr);
+
+ return cpu_addr;
}
static inline void dma_free_coherent(struct device *dev, size_t size,
@@ -138,6 +144,9 @@
struct dma_map_ops *dma_ops = get_dma_ops(dev);
BUG_ON(!dma_ops);
+
+ debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
+
dma_ops->free_coherent(dev, size, cpu_addr, dma_handle);
}