linux-kernel - Re: [PATCH V5 4/4] arm64: dts: meson: add S4 Soc Peripheral clock controller in DT

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Date:   Wed, 23 Nov 2022 22:23:17 +0800
From:   Yu Tu <yu.tu@...ogic.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
CC:     <kelvin.zhang@...ogic.com>
Subject: Re: [PATCH V5 4/4] arm64: dts: meson: add S4 Soc Peripheral clock
 controller in DT



On 2022/11/23 22:12, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
> 
> On 23/11/2022 14:23, Yu Tu wrote:
>>>> ../patch_clk_v5_1122/0004-arm64-dts-meson-add-S4-Soc-Peripheral-clock-controll.patch
>>>> has no obvious style problems and is ready for submission.
>>>>
>>>
>>> This is a checkpatch output. I am talking about DTS broken. dtc should
>>> warn you.
>>
>> Do you mean I will have wraning in compiling?
>> I actually compiled without warning.
>> ccf$ make ARCH=arm64 dtbs -j12
>>     DTC     arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dtb
>>
> 
> Nope:
> 
> ../arch/arm64/boot/dts/amlogic/meson-s4.dtsi:105.35-127.6: Warning
> (unit_address_vs_reg): /soc/apb4@...00000/clock-controller: node has a
> reg or ranges property, but no unit name
> 
> Test your patches better before using reviewers time for trivial
> compile-time fixes. The same rules for C code apply for DTS.
> 

Like this:
	clkc_periphs: clock-controller@0 { 

                     compatible = "amlogic,s4-peripherals-clkc"; 

                     reg = <0x0 0x0 0x0 0x49c>;
You mean it should be, right?

> Best regards,
> Krzysztof
> 
> .