The patch set add driver and device-tree bindings for a dma controller on HiSilicon Ascend310/910 platform. Changes v3 to v4: - dts-binding - filename changed to hisilicon,ascend-sdma.yaml - use common property "dma-channel-mask" - make a clearer description of property "pasid-num-bits" 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() Guo Mengqi (2): dmaengine: Add HiSilicon Ascend SDMA engine support dt-bindings: dma: HiSilicon: Add bindings for HiSilicon Ascend sdma .../bindings/dma/hisilicon,ascend-sdma.yaml | 74 ++ drivers/dma/Kconfig | 9 + drivers/dma/Makefile | 1 + drivers/dma/hisi-ascend-sdma.c | 810 ++++++++++++++++++ 4 files changed, 894 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/hisilicon,ascend-sdma.yaml create mode 100644 drivers/dma/hisi-ascend-sdma.c -- 2.17.1
