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| author |   FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2009-07-23 11:18:49 +0900 |
|---|---|---|
| committer | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2009-07-28 14:19:18 +0900 |
| commit | 02ca646e73f3cb9be69e339841b94edae675e248 (patch) | |
| tree | 08277cb352e290ca5c0f52fd31c0bf4fc273e5f5 /arch/powerpc | |
| parent | swiotlb: remove swiotlb_arch_range_needs_mapping (diff) | |
| download | linux-dev-02ca646e73f3cb9be69e339841b94edae675e248.tar.xz linux-dev-02ca646e73f3cb9be69e339841b94edae675e248.zip | |
swiotlb: remove unnecessary swiotlb_bus_to_virt
swiotlb_bus_to_virt is unncessary; we can use swiotlb_bus_to_phys and
phys_to_virt instead.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Becky Bruce <beckyb@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/dma-swiotlb.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c index 68ccf11e4f19..41534ae2f589 100644 --- a/arch/powerpc/kernel/dma-swiotlb.c +++ b/arch/powerpc/kernel/dma-swiotlb.c @@ -24,16 +24,6 @@ int swiotlb __read_mostly; unsigned int ppc_swiotlb_enable; -void *swiotlb_bus_to_virt(struct device *hwdev, dma_addr_t addr) -{ - unsigned long pfn = PFN_DOWN(swiotlb_bus_to_phys(hwdev, addr)); - void *pageaddr = page_address(pfn_to_page(pfn)); - - if (pageaddr != NULL) - return pageaddr + (addr % PAGE_SIZE); - return NULL; -} - dma_addr_t swiotlb_phys_to_bus(struct device *hwdev, phys_addr_t paddr) { return paddr + get_dma_direct_offset(hwdev); |