linux-kernel - Re: [PATCH v2 3/7] arm64: dts: qcom: sm8550: remove address/size-cells from mdss

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Date: Mon, 18 Dec 2023 17:59:47 +0800
From: Tengfei Fan <quic_tengfan@...cinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel@...cinc.com>
Subject: Re: [PATCH v2 3/7] arm64: dts: qcom: sm8550: remove
 address/size-cells from mdss_dsi1



在 12/11/2023 6:25 PM, Krzysztof Kozlowski 写道:
> On 07/12/2023 10:27, Tengfei Fan wrote:
>> Address/size-cells will cause dtbs check warning, because mdss_dsi1 node
>> have not ranges and child also have not reg, so remove address/size-cells.
> 
> Paste the excerpt of warning.
Sure, I will paste the excerpt of warning.
> 
>>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>> ---
> 
> I am not sure if this is correct. The address/size cells are there for
> panels. We have multiple of such warnings, so I would like to have here
> consensus for all of them.
Currently these address/size cells lead to dtc W=1 warning, so these 
should be dropped. These can be re-added if needed at a later date.
> 
> Best regards,
> Krzysztof
> 

-- 
Thx and BRs,
Tengfei Fan