Messages in this thread Patch in this message | | | Subject | [PATCH 13 of 14] x86/swiotlb: add default phys<->bus conversion | Date | Tue, 16 Dec 2008 12:17:37 -0800 | From | Jeremy Fitzhardinge <> |
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From: Ian Campbell <ian.campbell@citrix.com>
Xen will override these later on.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> --- arch/x86/kernel/pci-swiotlb_64.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/x86/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c --- a/arch/x86/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c @@ -23,6 +23,16 @@ return (void *)__get_free_pages(GFP_DMA | __GFP_NOWARN, order); } +dma_addr_t swiotlb_phys_to_bus(phys_addr_t paddr) +{ + return paddr; +} + +phys_addr_t swiotlb_bus_to_phys(dma_addr_t baddr) +{ + return baddr; +} + static dma_addr_t swiotlb_map_single_phys(struct device *hwdev, phys_addr_t paddr, size_t size, int direction)
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