lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

powerpc: Add CONFIG_DMA_API_DEBUG support

Browse Source 
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
FUJITA Tomonori
2009-08-04 19:08:28 +00:00
committed by Benjamin Herrenschmidt
parent 4a9a6bfe70
commit 80d3e8abb7
3 changed files with 22 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
arch/powerpc/include/asm/dma-mapping.h
View File

@@ -127,9 +127,15 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size,
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 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
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);
}