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Message-ID: <54c87219-de9f-4c5b-9c70-11de22c7c612@linaro.org>
Date:   Wed, 27 Sep 2023 10:10:40 +0200
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Subject: Re: [EXT] Re: [PATCH v4 2/2] dt-bindings: media: imx-jpeg: Assign
 slot for imx jpeg encoder/decoder
Content-Language: en-US
To:     Ming Qian <ming.qian@nxp.com>, Conor Dooley <conor@kernel.org>
Cc:     "Mirela Rabulea (OSS)" <mirela.rabulea@oss.nxp.com>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "shawnguo@kernel.org" <shawnguo@kernel.org>,
        "krzysztof.kozlowski+dt@linaro.org" 
        <krzysztof.kozlowski+dt@linaro.org>,
        "conor+dt@kernel.org" <conor+dt@kernel.org>,
        "mchehab@kernel.org" <mchehab@kernel.org>,
        "hverkuil-cisco@xs4all.nl" <hverkuil-cisco@xs4all.nl>,
        "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
        "kernel@pengutronix.de" <kernel@pengutronix.de>,
        "festevam@gmail.com" <festevam@gmail.com>,
        "X.H. Bao" <xiahong.bao@nxp.com>, Eagle Zhou <eagle.zhou@nxp.com>,
        Tao Jiang <tao.jiang_2@nxp.com>,
        dl-linux-imx <linux-imx@nxp.com>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "linux-media@vger.kernel.org" <linux-media@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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        <linux-arm-kernel@lists.infradead.org>
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From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 27/09/2023 04:10, Ming Qian wrote:
>> From: Conor Dooley <conor@kernel.org>
>> Sent: 2023年9月26日 21:26
>> To: Ming Qian <ming.qian@nxp.com>
>> Cc: Mirela Rabulea (OSS) <mirela.rabulea@oss.nxp.com>;
>> robh+dt@kernel.org; shawnguo@kernel.org;
>> krzysztof.kozlowski+dt@linaro.org; conor+dt@kernel.org;
>> mchehab@kernel.org; hverkuil-cisco@xs4all.nl; s.hauer@pengutronix.de;
>> kernel@pengutronix.de; festevam@gmail.com; X.H. Bao
>> <xiahong.bao@nxp.com>; Eagle Zhou <eagle.zhou@nxp.com>; Tao Jiang
>> <tao.jiang_2@nxp.com>; dl-linux-imx <linux-imx@nxp.com>;
>> devicetree@vger.kernel.org; linux-media@vger.kernel.org; linux-
>> kernel@vger.kernel.org; linux-arm-kernel@lists.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@nxp.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.

> 
> 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://patchwork.linuxtv.org/project/linux-media/patch/cdadb4a23697fdc97def958c69b12cd00f547212.1685430841.git.ming.qian@nxp.com/
> 
> 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