Hi Christoph, On 19.08.20 08:55, Christoph Hellwig wrote: > this series replaced the DMA_ATTR_NON_CONSISTENT flag to dma_alloc_attrs > with a separate new dma_alloc_pages API, which is available on all > platforms. In addition to cleaning up the convoluted code path, this > ensures that other drivers that have asked for better support for > non-coherent DMA to pages with incurring bounce buffering over can finally > be properly supported. > .... > A git tree is available here: > > git://git.infradead.org/users/hch/misc.git dma_alloc_pages I've tested this tree on my parisc machine which uses the 53c700 and lasi_82596 drivers. Everything worked as expected, so you may add: Tested-by: Helge Deller <deller@xxxxxx> # parisc Thanks! Helge > > Gitweb: > > http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma_alloc_pages > > > Diffstat: > Documentation/core-api/dma-api.rst | 92 ++---- > Documentation/core-api/dma-attributes.rst | 8 > Documentation/userspace-api/media/v4l/buffer.rst | 17 - > Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst | 1 > arch/alpha/kernel/pci_iommu.c | 2 > arch/arm/include/asm/dma-direct.h | 4 > arch/arm/mm/dma-mapping-nommu.c | 2 > arch/arm/mm/dma-mapping.c | 4 > arch/ia64/Kconfig | 3 > arch/ia64/hp/common/sba_iommu.c | 2 > arch/ia64/kernel/dma-mapping.c | 14 > arch/ia64/mm/init.c | 3 > arch/mips/Kconfig | 1 > arch/mips/bmips/dma.c | 4 > arch/mips/cavium-octeon/dma-octeon.c | 4 > arch/mips/include/asm/dma-direct.h | 4 > arch/mips/include/asm/jazzdma.h | 2 > arch/mips/jazz/jazzdma.c | 102 +------ > arch/mips/loongson2ef/fuloong-2e/dma.c | 4 > arch/mips/loongson2ef/lemote-2f/dma.c | 4 > arch/mips/loongson64/dma.c | 4 > arch/mips/mm/dma-noncoherent.c | 48 +-- > arch/mips/pci/pci-ar2315.c | 4 > arch/mips/pci/pci-xtalk-bridge.c | 4 > arch/mips/sgi-ip32/ip32-dma.c | 4 > arch/parisc/Kconfig | 1 > arch/parisc/kernel/pci-dma.c | 6 > arch/powerpc/include/asm/dma-direct.h | 4 > arch/powerpc/kernel/dma-iommu.c | 2 > arch/powerpc/platforms/ps3/system-bus.c | 4 > arch/powerpc/platforms/pseries/vio.c | 2 > arch/s390/pci/pci_dma.c | 2 > arch/x86/kernel/amd_gart_64.c | 8 > drivers/gpu/drm/exynos/exynos_drm_gem.c | 2 > drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c | 3 > drivers/iommu/dma-iommu.c | 2 > drivers/iommu/intel/iommu.c | 6 > drivers/media/common/videobuf2/videobuf2-core.c | 36 -- > drivers/media/common/videobuf2/videobuf2-dma-contig.c | 19 - > drivers/media/common/videobuf2/videobuf2-dma-sg.c | 3 > drivers/media/common/videobuf2/videobuf2-v4l2.c | 12 > drivers/net/ethernet/amd/au1000_eth.c | 15 - > drivers/net/ethernet/i825xx/lasi_82596.c | 36 +- > drivers/net/ethernet/i825xx/lib82596.c | 148 +++++----- > drivers/net/ethernet/i825xx/sni_82596.c | 23 - > drivers/net/ethernet/seeq/sgiseeq.c | 24 - > drivers/nvme/host/pci.c | 79 ++--- > drivers/parisc/ccio-dma.c | 2 > drivers/parisc/sba_iommu.c | 2 > drivers/scsi/53c700.c | 120 ++++---- > drivers/scsi/53c700.h | 9 > drivers/scsi/sgiwd93.c | 14 > drivers/xen/swiotlb-xen.c | 2 > include/linux/dma-direct.h | 55 ++- > include/linux/dma-mapping.h | 32 +- > include/linux/dma-noncoherent.h | 21 - > include/linux/dmapool.h | 23 + > include/linux/gfp.h | 6 > include/media/videobuf2-core.h | 3 > include/uapi/linux/videodev2.h | 2 > kernel/dma/Kconfig | 9 > kernel/dma/Makefile | 1 > kernel/dma/coherent.c | 17 + > kernel/dma/direct.c | 112 +++++-- > kernel/dma/mapping.c | 104 ++----- > kernel/dma/ops_helpers.c | 86 ++++++ > kernel/dma/pool.c | 2 > kernel/dma/swiotlb.c | 4 > kernel/dma/virt.c | 2 > mm/dmapool.c | 211 +++++++++------ > sound/mips/hal2.c | 58 +--- > 71 files changed, 872 insertions(+), 803 deletions(-) >
