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| author | Christoph Hellwig <hch@lst.de> | 2017-12-23 13:46:06 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-01-15 09:35:14 +0100 |
| commit | 19dca8c0efa30e0a45e79f237060d0f307045752 (patch) | |
| tree | 7af0e38c3abd148c110d88900630f837e7e79617 /lib/dma-direct.c | |
| parent | 95f183916d4b0bc1943684948ecdd2469f1aa978 (diff) | |
| download | linux-0-day-19dca8c0efa30e0a45e79f237060d0f307045752.tar.gz linux-0-day-19dca8c0efa30e0a45e79f237060d0f307045752.tar.xz | |
dma-direct: make dma_direct_{alloc,free} available to other implementations
So that they don't need to indirect through the operation vector.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Vladimir Murzin <vladimir.murzin@arm.com>
Diffstat (limited to 'lib/dma-direct.c')
| -rw-r--r-- | lib/dma-direct.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/dma-direct.c b/lib/dma-direct.c index 4e43c2bb7f5ff..784a68dfdbe35 100644 --- a/lib/dma-direct.c +++ b/lib/dma-direct.c @@ -40,8 +40,8 @@ static bool dma_coherent_ok(struct device *dev, phys_addr_t phys, size_t size) return phys_to_dma(dev, phys) + size - 1 <= dev->coherent_dma_mask; } -static void *dma_direct_alloc(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp, unsigned long attrs) +void *dma_direct_alloc(struct device *dev, size_t size, dma_addr_t *dma_handle, + gfp_t gfp, unsigned long attrs) { unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; int page_order = get_order(size); @@ -84,7 +84,7 @@ again: return page_address(page); } -static void dma_direct_free(struct device *dev, size_t size, void *cpu_addr, +void dma_direct_free(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr, unsigned long attrs) { unsigned int count = PAGE_ALIGN(size) >> PAGE_SHIFT; |