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swiotlb: do not export map_single function

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The map_single() function is not defined as static, even though it
doesn't seem to be used anywhere else in the kernel. Make it static to
avoid namespace pollution since this is a rather generic symbol.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Alexandre Courbot 2015-05-26 18:02:54 +09:00 committed by Konrad Rzeszutek Wilk
parent c65b99f046
commit 023600f192
1 changed files with 3 additions and 2 deletions
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5
lib/swiotlb.c
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@ -537,8 +537,9 @@ EXPORT_SYMBOL_GPL(swiotlb_tbl_map_single);
* Allocates bounce buffer and returns its kernel virtual address.
*/
phys_addr_t map_single(struct device *hwdev, phys_addr_t phys, size_t size,
enum dma_data_direction dir)
static phys_addr_t
map_single(struct device *hwdev, phys_addr_t phys, size_t size,
enum dma_data_direction dir)
{
dma_addr_t start_dma_addr = phys_to_dma(hwdev, io_tlb_start);