linux-kernel - Re: [PATCH v6 0/4] dmaengine: sf-pdma: Add platform dma driver

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Date:   Thu, 14 Nov 2019 18:53:28 +0800
From:   Green Wan <green.wan@...ive.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Dan Williams <dan.j.williams@...el.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>,
        Bin Meng <bmeng.cn@...il.com>,
        Yash Shah <yash.shah@...ive.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 0/4] dmaengine: sf-pdma: Add platform dma driver

Thanks, Vinod,

I found there are "/**" in the beginning of files but not for
commenting function purpose. Those comments cause kernel-doc W=1
warning. I've fixed them and rebased to latest source. will send the
patch after running regression tests soon.

--
Green

On Thu, Nov 14, 2019 at 3:15 PM Vinod Koul <vkoul@...nel.org> wrote:
>
> 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