The HiSilicon IP08 and HiSilicon IP09 are DMA iEPs, they share the same pci device id but different pci revision and register layouts. The original version supports HiSilicon IP08 but not HiSilicon IP09. This series support DMA driver for HIP08 and HIP09: 1. Fix bugs for HIP08 DMA driver - Disable hardware channels when driver detached - Update cq_head whenever accessed it - Support multi-thread for one DMA channel 2. Use macros instead of magic number 3. Add support for HIP09 DMA driver 4. Add debugfs for HIP08 and HIP09 DMA driver 5. Add myself as maintainer of hisi_dma.c Jie Hai (8): dmaengine: hisilicon: Disable channels when unregister hisi_dma dmaengine: hisilicon: Fix CQ head update dmaengine: hisilicon: Add multi-thread support for a DMA channel dmaengine: hisilicon: Use macros instead of magic number dmaengine: hisilicon: Adapt DMA driver to HiSilicon IP09 dmaengine: hisilicon: Add dfx feature for hisi dma driver Documentation: Add debugfs doc for hisi_dma MAINTAINERS: Add debugfs files and maintainer for hisi_dma Documentation/ABI/testing/debugfs-hisi-dma | 9 + MAINTAINERS | 2 + drivers/dma/hisi_dma.c | 733 ++++++++++++++++++--- 3 files changed, 648 insertions(+), 96 deletions(-) create mode 100644 Documentation/ABI/testing/debugfs-hisi-dma -- 2.33.0
