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Re: [Xen-devel] [PATCH v7 3/8] arm64: introduce is_device_dma_coherent
On Fri, Nov 07, 2014 at 11:05:25AM +0000, Catalin Marinas wrote:
> BTW, drivers/xen/swiotlb-xen.c needs something like:
>
> dma_addr_t dev_addr = xen_phys_to_bus(phys_to_dma(phys));
>
> phys != bus address.
Wrong place, what I meant is when calling:
xen_dma_unmap_page(hwdev, phys_to_dma(paddr), size, dir, attrs);
--
Catalin
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