linux-kernel - Re: [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id to slave id for DMA cell specifier

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Message-ID: <20190222204212.GA26859@bogus>
Date:   Fri, 22 Feb 2019 14:42:12 -0600
From:   Rob Herring <robh@...nel.org>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     vkoul@...nel.org, robh+dt@...nel.org, mark.rutland@....com,
        arnd@...db.de, orsonzhai@...il.com, zhang.lyra@...il.com,
        dan.j.williams@...el.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
        eric.long@...soc.com, broonie@...nel.org, baolin.wang@...aro.org
Subject: Re: [PATCH v2 1/2] dt-bindings: dmaengine: sprd: Change channel id
 to slave id for DMA cell specifier

On Thu, 21 Feb 2019 13:34:40 +0800, Baolin Wang wrote:
> For Spreadtrum DMA engine, all channels are equal, which means slave can
> request any channels with setting a unique slave id to trigger this channel.
> 
> Thus we can remove the channel id from device tree to assign the channel
> dynamically, moreover we should add the slave id in device tree.
> 
> Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
> ---
> Changes from v1:
>  - Remove channel id from DT.
> ---
>  Documentation/devicetree/bindings/dma/sprd-dma.txt |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@...nel.org>