<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On Feb 26, 2007, at 10:54 AM, DI BACCO ANTONIO - technolabs wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <DIV><FONT face="Arial" size="2"><SPAN class="606374515-26022007">dma_alloc_coherent gives a kernel virtual address as a return address,<BR></SPAN></FONT></DIV></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV>....and more. Everything you need.</DIV><DIV>Read Documentation/DMA-API.txt</DIV><DIV><BR><BLOCKQUOTE type="cite"><DIV><FONT face="Arial" size="2"><SPAN class="606374515-26022007"> applying __pa I expected a physical address.</SPAN></FONT></DIV></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV>You don't need to (and shouldn't) do this.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><SPAN class="Apple-tab-span" style="white-space:pre"> </SPAN>-- Dan</DIV><BR class="khtml-block-placeholder"></BODY></HTML>