how about using define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) or virt_to_phys () On Sat, Feb 8, 2014 at 1:32 AM, m silverstri <michael.j.silverstri@gmail.com> wrote:

Hi,

If I have a struct dma_buf dma buffer, how can I the physical address?

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