linux-kernel - Re: [PATCH v5 01/10] dt-bindings: arm: mediatek: migrate MT8195 vppsys0/1 to mtk-mmsys driver

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Date:   Mon, 16 Jan 2023 09:00:54 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Moudy Ho (何宗原) <Moudy.Ho@...iatek.com>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>
Cc:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Project_Global_Chrome_Upstream_Group 
        <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v5 01/10] dt-bindings: arm: mediatek: migrate MT8195
 vppsys0/1 to mtk-mmsys driver

On 16/01/2023 03:42, Moudy Ho (何宗原) wrote:
> On Fri, 2023-01-13 at 12:58 +0100, Krzysztof Kozlowski wrote:
>> On 13/01/2023 06:42, Moudy Ho wrote:
>>> MT8195 vppsys0/1 should be probed from mtk-mmsys driver to
>>> populate device by platform_device_register_data then start
>>> its own clock driver.
>>
>> Unfortunately I don't understand why this justifies removal of
>> compatibles.
>>
>> How do you propagate or instantiate devices is not really connected
>> with
>>  the hardware description.
>>
>> Best regards,
>> Krzysztof
>>
> 
> Hi Krzysztof,
> 
> Refer to the comments of 0/8 and 1/8 in the following series:
> https://patchwork.kernel.org/project/linux-mediatek/list/?series=702518
> 
> This patch is used in conjunction with another one(Message ID = 
> 20230113054304.21841-7-moudy.ho@...iatek.com/) to fix the binding
> warnings caused by newly added in MMSYS.

The patch should stand on its own. IOW, it should explain everything
needed and it should justify its existence.

Best regards,
Krzysztof