linux-kernel - Re: [PATCH v15 10/10] ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree

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Date:   Fri, 13 May 2022 10:10:43 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     qinjian[覃健] <qinjian@...lus1.com>,
        "sboyd@...nel.org" <sboyd@...nel.org>
Cc:     "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "maz@...nel.org" <maz@...nel.org>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        "arnd@...db.de" <arnd@...db.de>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v15 10/10] ARM: dts: Add Sunplus SP7021-Demo-V3 board
 device tree

On 13/05/2022 09:44, qinjian[覃健] wrote:
>>> diff --git a/arch/arm/boot/dts/sunplus-sp7021-achip.dtsi b/arch/arm/boot/dts/sunplus-sp7021-achip.dtsi
>>> new file mode 100644
>>> index 000000000..1560c95d9
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/sunplus-sp7021-achip.dtsi
>>> @@ -0,0 +1,85 @@
>>> +// SPDX-License-Identifier: GPL-2.0
>>> +/*
>>> + * Device Tree Source for Sunplus SP7021
>>> + *
>>> + * Copyright (C) 2021 Sunplus Technology Co.
>>> + */
>>> +
>>> +#include "sunplus-sp7021.dtsi"
>>> +
>>> +/ {
>>> +	compatible = "sunplus,sp7021-achip";
>>
>> This does not match your bindings.
>>
> 
>>> +++ b/arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts
>>> @@ -0,0 +1,27 @@
>>> +// SPDX-License-Identifier: GPL-2.0
>>> +/*
>>> + * Device Tree Source for Sunplus SP7021 Demo V3 SBC board
>>> + *
>>> + * Copyright (C) Sunplus Technology Co.
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +#include "sunplus-sp7021-achip.dtsi"
>>> +
>>> +/ {
>>> +	compatible = "sunplus,sp7021-demo-v3";
>>
>> This does not match your bindings.
>>
>> Please run make dtbs_check.
> 
> I did passed the make dtbs_check.
> compatible string: "sunplus,sp7021", "sunplus,sp7021-achip", "sunplus,sp7021-demo-v3"
> all defined @ Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml [1]

How this can pass the check if it is entirely different compatible and
does not match schema? The code is not correct. If you test your DTS
with dtbs_check you will see:

	sunplus-sp7021-demo-v3.dtb: /: compatible: ['sunplus,sp7021-demo-v3']
is too short


Additionally:
1. Your DTBs do not compile, missing Makefile entry.

2. You have to fix whitespace issues in your patches:

.git/rebase-apply/patch:48: new blank line at EOF.

+

warning: 1 line adds whitespace errors.

.git/rebase-apply/patch:97: new blank line at EOF.

+

warning: 1

Best regards,
Krzysztof