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swiotlb: remove swiotlb_arch_range_needs_mapping

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Nobody uses swiotlb_arch_range_needs_mapping().

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>
This commit is contained in:
FUJITA Tomonori
2009-07-10 10:04:52 +09:00
parent bb52196be3
commit cf56e3f2e8
3 changed files with 2 additions and 20 deletions
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2
include/linux/swiotlb.h
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@@ -28,8 +28,6 @@ extern dma_addr_t swiotlb_phys_to_bus(struct device *hwdev,
extern phys_addr_t swiotlb_bus_to_phys(struct device *hwdev,
dma_addr_t address);
extern int swiotlb_arch_range_needs_mapping(phys_addr_t paddr, size_t size);
extern void
*swiotlb_alloc_coherent(struct device *hwdev, size_t size,
dma_addr_t *dma_handle, gfp_t flags);