linux-kernel - Re: [PATCH v5 3/3] media: imx-jpeg: Add vendor prefix in slot property

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Message-ID: <c869b3a0-1986-4507-8466-ea1b5f93e2c0@linaro.org>
Date:   Fri, 20 Oct 2023 13:12:38 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     ming qian <ming.qian@....nxp.com>, mirela.rabulea@....nxp.com,
        robh+dt@...nel.org, shawnguo@...nel.org
Cc:     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,
        xiahong.bao@....com, eagle.zhou@....com, tao.jiang_2@....com,
        ming.qian@....com, 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: [PATCH v5 3/3] media: imx-jpeg: Add vendor prefix in slot
 property

On 19/10/2023 09:41, ming qian wrote:
>>> diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
>>> index 64112b63298c..f8b99a292ad1 100644
>>> --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
>>> +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
>>> @@ -2762,7 +2762,7 @@ static int mxc_jpeg_probe(struct platform_device *pdev)
>>>   	if (IS_ERR(jpeg->base_reg))
>>>   		return PTR_ERR(jpeg->base_reg);
>>>   
>>> -	ret = of_property_read_u32_index(pdev->dev.of_node, "slot", 0, &jpeg->slot_data.slot);
>>
>> How did it appear in the code and in the DTS without bindings...
>>
>> Best regards,
>> Krzysztof
>>
> 
> In the beginning, I only made the patch set of code and dts, the code
> patch can work without dts patch due to the default value. The code
> patch is merged to media_tree, but mark the dts patch as ´Not
> Applicable´. After that, I sent the dts patch again, but maintainer
> reminds me that I need to change the binding too. So I made this patch
> set. And I guess the dts patch was merged by mistake.

The code was merged by mistake. You cannot add of_property() ABI to the
Linux without documenting it via bindings. Don't send such patches.

Best regards,
Krzysztof