Hi All, On 2019-01-18 12:37, Christoph Hellwig wrote: > Hi all, > > this series fixes a rather gross layering violation in videobuf2, which > pokes into arm DMA mapping internals to get a DMA address for memory that > does not have a page structure, and to do so fixes up the dma_map_resource > implementation to not provide a somewhat dangerous default and improve > the error handling. > > Changes since v1: > - don't apply bus offsets in dma_direct_map_resource Works fine on older Exynos based boards with IOMMU and CMA disabled. Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland
