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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2009-07-23 11:18:49 +0900
committerFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2009-07-28 14:19:18 +0900
commit02ca646e73f3cb9be69e339841b94edae675e248 (patch)
tree08277cb352e290ca5c0f52fd31c0bf4fc273e5f5 /arch/powerpc
parentcf56e3f2e8a8d5b7bc719980869b0e7985c256f3 (diff)
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.c10
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 68ccf11e4f1..41534ae2f58 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);