linux-kernel - Re: [PATCH 4/6] arm64: dts: qcom: sm8250: move sound node out of soc

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Message-ID: <3f5c5ff5-8ae6-6c05-15fb-35b13259be4d@linaro.org>
Date:   Mon, 28 Mar 2022 19:16:43 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Andy Gross <agross@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/6] arm64: dts: qcom: sm8250: move sound node out of soc

On 28/03/2022 19:14, Vinod Koul wrote:
> On 28-03-22, 17:14, Krzysztof Kozlowski wrote:
>> On 28/03/2022 16:30, Vinod Koul wrote:
>>> The soc node expects all the nodes to have unit addresses. The sound
>>> node does not have that which causes warnings:
>>>
>>> arch/arm64/boot/dts/qcom/sm8250.dtsi:2806.16-2807.5:
>>> Warning (simple_bus_reg): /soc@...ound: missing or empty reg/ranges property
>>>
>>> Move sound node out of soc to fix this
>>>
>>> Signed-off-by: Vinod Koul <vkoul@...nel.org>
>>> ---
>>>  arch/arm64/boot/dts/qcom/sm8250.dtsi | 6 +++---
>>>  1 file changed, 3 insertions(+), 3 deletions(-)
>>>
>>
>> I don't know the SM8250, but usually the sound node (e.g. containing
>> audio-codec) is not part of SoC. I propose to remove it entirely from
>> DTSI and define in same place in each DTS. It makes more sense logically
>> in such case - one clearly see which board defines the sounds, which
>> does not.
> 
> Most of our boards have sound, should we duplicate it in all the
> boards..? Bjorn..?

It's anyway empty here, so not much of saving lines f code...


Best regards,
Krzysztof