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-rw-r--r--Documentation/DMA-API.txt9
1 files changed, 1 insertions, 8 deletions
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index b9d0cba83877..38e561b773b4 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -566,8 +566,7 @@ boundaries when doing this.
int
dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
- dma_addr_t device_addr, size_t size, int
- flags)
+ dma_addr_t device_addr, size_t size);
Declare region of memory to be handed out by dma_alloc_coherent() when
it's asked for coherent memory for this device.
@@ -581,12 +580,6 @@ dma_addr_t in dma_alloc_coherent()).
size is the size of the area (must be multiples of PAGE_SIZE).
-flags can be ORed together and are:
-
-- DMA_MEMORY_EXCLUSIVE - only allocate memory from the declared regions.
- Do not allow dma_alloc_coherent() to fall back to system memory when
- it's out of memory in the declared region.
-
As a simplification for the platforms, only *one* such region of
memory may be declared per device.