linux-kernel - Re: [PATCH] dt-bindings: arm: mediatek: mmsys: refine power and gce properties

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Message-ID: <63ed8d74-4e84-4486-25ca-58885d343215@linaro.org>
Date:   Fri, 29 Apr 2022 22:58:29 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jason-JH Lin <jason-jh.lin@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     Fabien Parent <fparent@...libre.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, CK Hu <ck.hu@...iatek.com>,
        Rex-BC Chen <rex-bc.chen@...iatek.com>,
        Nancy Lin <nancy.lin@...iatek.com>,
        Singo Chang <singo.chang@...iatek.com>,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH] dt-bindings: arm: mediatek: mmsys: refine power and gce
 properties

On 29/04/2022 09:54, Jason-JH Lin wrote:
> Hi Krzysztof,
> 
> Thanks for the reviews.
> 
> On Fri, 2022-04-29 at 07:55 +0200, Krzysztof Kozlowski wrote:
>> On 29/04/2022 06:10, Jason-JH Lin wrote:
>>> Yes, we cannot have infinite number for this, but we can use not
>>> only
>>> one mbox channel for one mmsys.
>>>
>>> Its maximum number is equal to GCE HW thread number.
>>> The maximum number in mt8195 is 24 and mt8173 is 16.
>>>
>>> But we currently using 1.
>>> So I'm not sure if I need to set the maxItems for this?
>>
>> Yes. 24 for mt8195 and 16 for mt8173.
>>
> OK, I'll add maxItems: 24.

and 16 for mt8173....

Best regards,
Krzysztof