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

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Wed Sep 27 01:10:40 PDT 2023


On 27/09/2023 04:10, Ming Qian wrote:
>> From: Conor Dooley <conor at kernel.org>
>> Sent: 2023年9月26日 21:26
>> To: Ming Qian <ming.qian at nxp.com>
>> Cc: Mirela Rabulea (OSS) <mirela.rabulea at oss.nxp.com>;
>> robh+dt at kernel.org; shawnguo at kernel.org;
>> krzysztof.kozlowski+dt at linaro.org; conor+dt at kernel.org;
>> mchehab at kernel.org; hverkuil-cisco at xs4all.nl; s.hauer at pengutronix.de;
>> kernel at pengutronix.de; festevam at gmail.com; X.H. Bao
>> <xiahong.bao at nxp.com>; Eagle Zhou <eagle.zhou at nxp.com>; Tao Jiang
>> <tao.jiang_2 at nxp.com>; dl-linux-imx <linux-imx at nxp.com>;
>> devicetree at vger.kernel.org; linux-media at vger.kernel.org; linux-
>> kernel at vger.kernel.org; linux-arm-kernel at 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 at 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




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