linux-kernel - RE: [EXT] Re: [PATCH v4 2/2] dt-bindings: media: imx-jpeg: Assign slot for imx jpeg encoder/decoder

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Date:   Wed, 27 Sep 2023 09:25:31 +0000
From:   Ming Qian <ming.qian@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Conor Dooley <conor@...nel.org>
CC:     "Mirela Rabulea (OSS)" <mirela.rabulea@....nxp.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        "X.H. Bao" <xiahong.bao@....com>, Eagle Zhou <eagle.zhou@....com>,
        Tao Jiang <tao.jiang_2@....com>,
        dl-linux-imx <linux-imx@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [EXT] Re: [PATCH v4 2/2] dt-bindings: media: imx-jpeg: Assign
 slot for imx jpeg encoder/decoder

>From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>Sent: 2023年9月27日 16:11
>To: Ming Qian <ming.qian@....com>; Conor Dooley <conor@...nel.org>
>Cc: Mirela Rabulea (OSS) <mirela.rabulea@....nxp.com>;
>robh+dt@...nel.org; shawnguo@...nel.org;
>krzysztof.kozlowski+dt@...aro.org; conor+dt@...nel.org;
>mchehab@...nel.org; hverkuil-cisco@...all.nl; s.hauer@...gutronix.de;
>kernel@...gutronix.de; festevam@...il.com; X.H. Bao
><xiahong.bao@....com>; Eagle Zhou <eagle.zhou@....com>; Tao Jiang
><tao.jiang_2@....com>; dl-linux-imx <linux-imx@....com>;
>devicetree@...r.kernel.org; linux-media@...r.kernel.org; linux-
>kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org
>Subject: Re: [EXT] Re: [PATCH v4 2/2] dt-bindings: media: imx-jpeg: Assign slot
>for imx jpeg encoder/decoder
>
>Caution: This is an external email. Please take care when clicking links or
>opening attachments. When in doubt, report the message using the 'Report
>this email' button
>
>
>On 27/09/2023 04:10, Ming Qian wrote:
>>> From: Conor Dooley <conor@...nel.org>
>>> Sent: 2023年9月26日 21:26
>>> To: Ming Qian <ming.qian@....com>
>>> Cc: Mirela Rabulea (OSS) <mirela.rabulea@....nxp.com>;
>>> robh+dt@...nel.org; shawnguo@...nel.org;
>>> krzysztof.kozlowski+dt@...aro.org; conor+dt@...nel.org;
>>> mchehab@...nel.org; hverkuil-cisco@...all.nl; s.hauer@...gutronix.de;
>>> kernel@...gutronix.de; festevam@...il.com; X.H. Bao
>>> <xiahong.bao@....com>; Eagle Zhou <eagle.zhou@....com>; Tao Jiang
>>> <tao.jiang_2@....com>; dl-linux-imx <linux-imx@....com>;
>>> devicetree@...r.kernel.org; linux-media@...r.kernel.org; linux-
>>> kernel@...r.kernel.org; linux-arm-kernel@...ts.infradead.org
>>> Subject: [EXT] Re: [PATCH v4 2/2] dt-bindings: media: imx-jpeg:
>>> Assign slot for imx jpeg encoder/decoder
>>>
>>> Hi,
>>>
>>> On Tue, Sep 26, 2023 at 06:10:00PM +0800, Ming Qian wrote:
>>>> There are total 4 slots available in the IP, and we only need to use
>>>> one slot in one os, assign a single slot, configure interrupt and
>>>> power domain only for 1 slot, not for the all 4 slots.
>>>>
>>>> Signed-off-by: Ming Qian <ming.qian@....com>
>>>> ---
>>>> v4
>>>> - improve commit message
>>>
>>>> - don't make an ABI break
>>>
>>> What does this mean? Can you please try to explain things a bit more
>>> clearly in your changelogs?
>>>
>>> Also, where is the code that actually makes use of these properties?
>>
>> In v3 patch, I make this property required, make it an ABI break, so in v4, I
>remove it from required, and default to the previous behavior if it is missing.
>
>So say that you dropped line making the property required.
>

Got it, thanks

>>
>> The code patch is sent before, but the dts change is not applicable, so I send
>it separately. The code patch link is as below:
>> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatc
>> hwork.linuxtv.org%2Fproject%2Flinux-
>media%2Fpatch%2Fcdadb4a23697fdc97d
>>
>ef958c69b12cd00f547212.1685430841.git.ming.qian%40nxp.com%2F&data=0
>5%7
>>
>C01%7Cming.qian%40nxp.com%7C8ea6dd7c90564f331d9108dbbf313eca%7C
>686ea1d
>>
>3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C638313990445947012%7CUnkno
>wn%7CTWF
>>
>pbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVC
>I6M
>>
>n0%3D%7C3000%7C%7C%7C&sdata=Hl6F1Th8FvfoGul5nhnvsf%2FKsXqpjZFhp
>r2y3U3C
>> hhw%3D&reserved=0
>>
>> But in the patch, the property name is "slot", not "nxp,slot", I will make
>another patch to fix the property name after this patch is reviewed.
>
>Format your emails properly. It's difficult to read it.
>
>I already NAKed it, I will be NAKing still. Don't embed OS specific into the
>bindings nor into the DTS.
>
>
>Best regards,
>Krzysztof

Hi Krzysztof,
    Do you mean the link is inappropriate or something else? I will avoid links in my emails in the future. I'm sorry to bother you.

Best regards,
Ming Qian