linux-kernel - Re: [PATCH V1 1/2] dt-bindings: dmaengine: Add support for ATCDMAC300 DMA engine

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Message-ID: <dcd14886-f2cc-41ec-8bb5-9cb5ed50c452@kernel.org>
Date: Wed, 8 Oct 2025 17:04:53 +0900
From: Krzysztof Kozlowski <krzk@...nel.org>
To: CL Wang <cl634@...estech.com>
Cc: Conor Dooley <conor@...nel.org>, vkoul@...nel.org,
 dmaengine@...r.kernel.org, robh@...nel.org, krzk+dt@...nel.org,
 conor+dt@...nel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, tim609@...estech.com
Subject: Re: [PATCH V1 1/2] dt-bindings: dmaengine: Add support for ATCDMAC300
 DMA engine

On 08/10/2025 12:13, CL Wang wrote:
> Hi Krzysztof,
> 
> Thank you for pointing this out.
> 
> "ATCDMAC300" is the IP block name of the DMA controller used in Andes SoC.
> According to your suggestion, I have updated the binding to use SoC-specific
> compatibles with "andestech,atcdmac300" as a fallback, as shown below:
> 
> -  const: andestech,atcdmac300
> +  items:
> +    - enum:
> +        - andestech,qilai-dma
> +    - const: andestech,atcdmac300
> ...
>    dma-controller@...00000 {
> -      compatible = "andestech,atcdmac300";
> +      compatible = "andestech,qilai-dma", "andestech,atcdmac300";

That's exactly the same code as you pasted before. Please do not repeat
the same as argument to my comment.

Best regards,
Krzysztof