The patch set add driver and device-tree bindings for a dma controller on hisilicon ascend310/910 platform. Changes v2 to v3: - Fix dts-binding error: * Use "hisilicon" as a unified vendor prefix. Changes v1 to v2: - Fix dts-binding error: * change "compatible" to two exact models: ascend310/ascend910. * add vendor prefix for customized channel-map property. * add $ref for customized channel-map property. * remove unnecessary label in example. - Logic change in probe function: * If iommu sva feature is disabled, probe will not lead to failure - Use common driver apis: dev_xxx() devm_xxx() V2: https://lore.kernel.org/dmaengine/53729f0f-2341-4329-8b2d-95dd377752d7@xxxxxxxxxx/T/#t V1: https://lore.kernel.org/dmaengine/20230811034822.107229-1-guomengqi3@xxxxxxxxxx/T/#t Guo Mengqi (2): dmaengine: Add HiSilicon Ascend SDMA engine support dt-bindings: dma: hisi: Add bindings for Hisi Ascend sdma .../bindings/dma/hisi,ascend-sdma.yaml | 75 ++ drivers/dma/Kconfig | 9 + drivers/dma/Makefile | 1 + drivers/dma/ascend_sdma.c | 817 ++++++++++++++++++ 4 files changed, 902 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/hisi,ascend-sdma.yaml create mode 100644 drivers/dma/ascend_sdma.c -- 2.17.1
