linux-kernel - Re: [PATCH v2 1/2] dt-bindings: dsp: mediatek: add mt8196 dsp document

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Message-ID: <fa1b8e02-deee-44e5-a6c6-52394fc071a4@kernel.org>
Date: Wed, 9 Jul 2025 08:59:32 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Hailong Fan (范海龙) <Hailong.Fan@...iatek.com>,
 "perex@...ex.cz" <perex@...ex.cz>,
 "pierre-louis.bossart@...ux.dev" <pierre-louis.bossart@...ux.dev>,
 "kai.vehmanen@...ux.intel.com" <kai.vehmanen@...ux.intel.com>,
 "broonie@...nel.org" <broonie@...nel.org>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>, "tiwai@...e.com"
 <tiwai@...e.com>, "robh@...nel.org" <robh@...nel.org>,
 "lgirdwood@...il.com" <lgirdwood@...il.com>,
 "yung-chuan.liao@...ux.intel.com" <yung-chuan.liao@...ux.intel.com>,
 "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
 "peter.ujfalusi@...ux.intel.com" <peter.ujfalusi@...ux.intel.com>,
 "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
 "daniel.baluta@....com" <daniel.baluta@....com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 "ranjani.sridharan@...ux.intel.com" <ranjani.sridharan@...ux.intel.com>
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>,
 "linux-sound@...r.kernel.org" <linux-sound@...r.kernel.org>,
 "sound-open-firmware@...a-project.org"
 <sound-open-firmware@...a-project.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 Project_Global_Chrome_Upstream_Group
 <Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: dsp: mediatek: add mt8196 dsp
 document

On 09/07/2025 08:34, Hailong Fan (范海龙) wrote:
> On Thu, 2025-07-03 at 11:05 +0200, AngeloGioacchino Del Regno wrote:
>> External email : Please do not click links or open attachments until
>> you have verified the sender or the content.
>>
>>
>> Il 03/07/25 10:08, Krzysztof Kozlowski ha scritto:
>>> On 03/07/2025 09:56, hailong.fan wrote:
>>>> From: Hailong Fan <hailong.fan@...iatek.com>
>>>>
>>>> This patch adds mt8196 dsp document. The dsp is used for Sound
>>>> Open
>>>
>>> Please do not use "This commit/patch/change", but imperative mood.
>>> See
>>> longer explanation here:
>>>
> https://urldefense.com/v3/__https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst*L95__;Iw!!CTRNKA9wMg0ARbw!g39q48fUCsDJ5PETUtQ0PK0Bkwf0Ce1F_ZzJiEiWMzuybWQ0dSPzblvLlJ-4saWTSoJWuS5imsXbpdgLBvUy4wxw9C5w7B4m$
>>>

Fix your email client not to produce such junk like above ^.

>>>> Firmware driver node. It includes registers,  clocks, memory
>>>> regions,
>>>> and mailbox for dsp.
>>>>
>>>> Signed-off-by: Hailong Fan <hailong.fan@...iatek.com>
>>>> ---
>>>>   .../bindings/sound/mediatek,mt8196-dsp.yaml   | 95
>>>> +++++++++++++++++++
>>>>   1 file changed, 95 insertions(+)
>>>>   create mode 100644
>>>> Documentation/devicetree/bindings/sound/mediatek,mt8196-dsp.yaml
>>>>
>>>> diff --git
>>>> a/Documentation/devicetree/bindings/sound/mediatek,mt8196-
>>>> dsp.yaml
>>>> b/Documentation/devicetree/bindings/sound/mediatek,mt8196-
>>>> dsp.yaml
>>>> new file mode 100644
>>>> index 000000000000..68f594f476e8
>>>> --- /dev/null
>>>> +++ b/Documentation/devicetree/bindings/sound/mediatek,mt8196-
>>>> dsp.yaml
>>
>> Wrong folder; this should go to dsp/mediatek,mt8196-dsp.yaml ....
>>
>> ...but then I don't get why MT8196 wasn't simply added to
>> mediatek,mt8186-dsp.yaml.
>>
> Yes, the first version was written this way, but the maintainer
> suggested the following, so I'm not sure which approach is more
> appropriate. Could you please provide a final recommendation?
>  
> v1 link: 
> https://lore.kernel.org/all/a72988212d0d95bfe76eb9c53bbdb8c57c989377.camel@mediatek.com/

You linked to your reply. What does it prove? You are the maintainer and
you gave this recommendation for your own patch?

>  
> comment:
>>
>>> ---
>>>  .../bindings/dsp/mediatek,mt8196-dsp.yaml     | 96
>>> +++++++++++++++++++
>>
>> Don't grow dsp directory. Either this is remoteproc or some sound
>> component, so place it accordingly.
> This is a reference to the approach used in a previous MediaTek
> project:
>  
> 
> https://web.git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/Documentation/devicetree/bindings/dsp
> Do we need to move all the files under the DSP directory to the sound
> directory?

No.


Best regards,
Krzysztof