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Date: Mon, 18 Dec 2023 10:17:15 +0100
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Subject: Re: [PATCH 4/4] arm64: dts: sprd: Add support for Unisoc's UMS9620
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To: Chunyan Zhang <zhang.lyra@gmail.com>
Cc: Chunyan Zhang <chunyan.zhang@unisoc.com>, Rob Herring
 <robh+dt@kernel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>,
 Lee Jones <lee@kernel.org>, devicetree@vger.kernel.org,
 linux-serial@vger.kernel.org, Baolin Wang <baolin.wang@linux.alibaba.com>,
 Orson Zhai <orsonzhai@gmail.com>, LKML <linux-kernel@vger.kernel.org>
References: <20231215085630.984892-1-chunyan.zhang@unisoc.com>
 <20231215085630.984892-5-chunyan.zhang@unisoc.com>
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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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On 18/12/2023 08:37, Chunyan Zhang wrote:
> On Mon, 18 Dec 2023 at 15:31, Krzysztof Kozlowski
> <krzysztof.kozlowski@linaro.org> wrote:
>>
>> On 18/12/2023 08:18, Chunyan Zhang wrote:
>>> On Mon, 18 Dec 2023 at 15:00, Krzysztof Kozlowski
>>> <krzysztof.kozlowski@linaro.org> wrote:
>>>>
>>>> On 18/12/2023 03:31, Chunyan Zhang wrote:
>>>>> On Fri, 15 Dec 2023 at 18:36, Krzysztof Kozlowski
>>>>> <krzysztof.kozlowski@linaro.org> wrote:
>>>>>>
>>>>>> On 15/12/2023 09:56, Chunyan Zhang wrote:
>>>>>>> Add basic support for Unisoc's UMS9620, with this patch,
>>>>>>> the board ums9620-2h10 can run into console.
>>>>>>>
>>>>>>
>>>>>> ...
>>>>>>
>>>>>>> +
>>>>>>> +     soc: soc {
>>>>>>
>>>>>> Are you sure you do not have here W=1 warnings?
>>>>>
>>>>> Do you mean warnings generated by running "make W=1"? I tried just now
>>>>> and didn't see warnings on this dts.
>>>>
>>>> No, I meant `dtbs_check W=1` or W=1 coming from dtc (dtbs).
>>>
>>> Yes, I just run "make W=1 dtbs",  also have tried `dtbs_check W=1`,
>>> didn't see warnings on ums9620-2h10.dtb
>>
>> Ah, because it does not even compile!
> 
> The patch was generated from a middle commit (that was my mistake of course).
> 
> But I've fixed the issue. I ran the command just now according to your
> comments, and didn't see the warnings on this dtb.
> 
> If I'm missing something, please correct me.

You don't have unit address for soc node, but could be fine if
address/size cells match. Don't remember, but also cannot verify because
it does not build. :(

Best regards,
Krzysztof