Re: [PATCH v6 0/4] dmaengine: sf-pdma: Add platform dma driver
From: Vinod Koul
Date: Thu Nov 14 2019 - 02:16:02 EST
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