On Tue, Jan 15, 2019 at 02:56:34PM +0100, Christian Zigotzky wrote: > On 15 January 2019 at 2:35PM, Christoph Hellwig wrote: >> On Tue, Jan 15, 2019 at 11:55:25AM +0100, Christian Zigotzky wrote: >>> Next step: 21074ef03c0816ae158721a78cabe9035938dddd (powerpc/dma: use the >>> generic direct mapping bypass) >>> >>> git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a >>> >>> git checkout 21074ef03c0816ae158721a78cabe9035938dddd >>> >>> I was able to compile the kernel for the AmigaOne X1000 (Nemo board with PA >>> Semi PA6T-1682M SoC). It boots but the PA Semi onboard ethernet doesn't >>> work. >> Thanks. But we are exactly missing the steps that are relevant. I've >> pushed a fixed up powerpc-dma.6 tree, which will only change starting from >> the first commit that didn't link. >> >> The first commit that changed from the old one is this one: >> >> http://git.infradead.org/users/hch/misc.git/commitdiff/257002094bc5935dd63207a380d9698ab81f0775 >> >> which was that one that your compile failed on first. >> >> Thanks again for all your work! >> > Thank you! I tried the commit 240d7ecd7f6fa62e074e8a835e620047954f0b28 > (powerpc/dma: use the dma-direct allocator for coherent platforms) again. > > git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a > > git checkout 240d7ecd7f6fa62e074e8a835e620047954f0b28 > > I modified the 'dma.c' patch because of the undefined references to > '__dma_nommu_free_coherent' and '__dma_nommu_alloc_coherent': So 257002094bc5935dd63207a380d9698ab81f0775 above is the fixed version for the commit - this switched the ifdef in dma.c around that I had inverted. Can you try that one instead? And then move on with the commits after it in the updated powerpc-dma.6 branch - they are identical to the original branch except for carrying this fix forward.
