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 09:47:38 +0000
From:   qinjian[覃健] <qinjian@...lus1.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "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

> >
> > 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.
> 

Got it, I compiled the dtb with command: make sunplus-sp7021-demo-v3.dtb
After I add it to arch/arm/boot/dts/Makefile,
make dtbs_check got the error.
Thanks for your patient guidance.