linux-kernel - Re: [PATCH 1/2] arm64: dts: allwinner: h5: align operating-points table name with dtschema

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Date:   Fri, 20 Aug 2021 14:48:51 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     wens@...e.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-sunxi@...ts.linux.dev,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: allwinner: h5: align operating-points
 table name with dtschema

On 20/08/2021 14:11, Chen-Yu Tsai wrote:
> On Fri, Aug 20, 2021 at 4:16 PM Krzysztof Kozlowski
> <krzysztof.kozlowski@...onical.com> wrote:
>>
>> Align the name of operating-points node to dtschema to fix warnings like:
>>
>>   arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-r1s-h5.dt.yaml:
>>     cpu-opp-table: $nodename:0: 'cpu-opp-table' does not match '^opp-table(-[a-z0-9]+)?$'
>>
>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
>> ---
>>  arch/arm64/boot/dts/allwinner/sun50i-h5-cpu-opp.dtsi | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-cpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h5-cpu-opp.dtsi
>> index b2657201957e..0b6914a165b0 100644
>> --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-cpu-opp.dtsi
>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-cpu-opp.dtsi
>> @@ -2,7 +2,7 @@
>>  // Copyright (C) 2020 Chen-Yu Tsai <wens@...e.org>
>>
>>  / {
>> -       cpu_opp_table: cpu-opp-table {
>> +       cpu_opp_table: opp-table-0 {
> 
> Maybe we should just reorder the name? Name it "opp-table-cpu" instead.
> That way if and when we add one for the GPU, we don't accidentally
> clash on the name.

Although the schema allows such name, but still the devicetree
specification says that name should be generic (representing generic
type of a device). Just like there is a "clock-controller" or
"nand-controller", there should be generic "opp-table".


Best regards,
Krzysztof