linux-kernel - Re: [PATCH v2 1/3] dt-bindings: dma: snps,dw-axi-dmac: Add reset items

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Date:   Fri, 24 Feb 2023 11:51:34 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Walker Chen <walker.chen@...rfivetech.com>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>
Cc:     dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2 1/3] dt-bindings: dma: snps,dw-axi-dmac: Add reset
 items

On 24/02/2023 11:14, Walker Chen wrote:
>>>    resets:
>>> -    maxItems: 1
>>> +    maxItems: 2
>>
>> This breaks ABI and all other users. Test your changes before sending.
> 
> I think 'minItems' should be added here. So like this:
> resets:
>   minItems: 1
>   maxItems: 2
> 
> Other platform/users will not be affected by this.

Which will allow two resets on all platforms. Is this correct for these
platforms? Do they have two resets?


Best regards,
Krzysztof