On Mon, 2015-12-07 at 15:12 +0100, Christian Zigotzky wrote: > Hi all, > > I have some good news for you. I was able to fix the issue with the > P.A. > Semi Ethernet. It was a problem with the new DMA handling. The patch > ' > [RFC/PATCH,v2] powerpc/iommu: Support "hybrid" iommu/direct DMA ops > for > coherent_mask < dma_mask (https://patchwork.ozlabs.org/patch/472535/) > ' > is the problem.
Send me your .config and the full dmesg output. I can't seem to reproduce here. Cheers, Ben. > I had patched the following files before I compiled a kernel. > > arch/powerpc/Kconfig > arch/powerpc/include/asm/device.h > arch/powerpc/include/asm/dma-mapping.h > arch/powerpc/include/asm/iommu.h > arch/powerpc/kernel/dma-iommu.c > arch/powerpc/kernel/dma-swiotlb.c > arch/powerpc/kernel/dma.c > arch/powerpc/platforms/powernv/pci-ioda.c > arch/powerpc/platforms/pseries/iommu.c > arch/powerpc/sysdev/dart_iommu.c > include/asm-generic/dma-mapping-common.h > > The P.A. Semi Ethernet works again with the patched kernel. > > I am happy. :-) > > Please fix the issue in the kernel source code. > > Thanks in advance, > > Christian > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
