On 07-11-19, 16:49, Green Wan wrote: > Add PDMA driver support for SiFive HiFive Unleashed RevA00 board. Mainly follows > DMAengine controller doc[1] to implement and take other DMA drivers as reference. > Such as > > - drivers/dma/fsl-edma.c > - drivers/dma/dw-edma/ > - drivers/dma/pxa-dma.c > > Using DMA test client[2] to test. Detailed datasheet is doc[3]. Driver supports: > > - 4 physical DMA channels, share same DONE and error interrupt handler. > - Support MEM_TO_MEM > - Tested by DMA test client > - patches include DT Bindgins document and dts for fu450-c000 SoC. Separate dts > patch for easier review and apply to different branch or SoC platform. > - retry 1 time if DMA error occurs. I have applied this expect dt change. I see some warns due to missing kernel-doc style comments with W=1, please fix that and send update on top of these Thanks -- ~Vinod