linux-kernel - Re: [PATCH v5 01/10] arm64: dts: allwinner: Restore EMAC changes

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Date:   Sun, 10 Sep 2017 20:56:40 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>
Cc:     Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev <netdev@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 01/10] arm64: dts: allwinner: Restore EMAC changes

On Fri, Sep 08, 2017 at 03:39:04PM +0800, Chen-Yu Tsai wrote:
> On Fri, Sep 8, 2017 at 3:36 PM, Corentin Labbe
> <clabbe.montjoie@...il.com> wrote:
> > On Fri, Sep 08, 2017 at 09:19:54AM +0200, Maxime Ripard wrote:
> >> On Fri, Sep 08, 2017 at 09:11:47AM +0200, Corentin Labbe wrote:
> >> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
> >> > index 1c2387bd5df6..968908761194 100644
> >> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
> >> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5-nanopi-neo2.dts
> >> > @@ -50,6 +50,7 @@
> >> >     compatible = "friendlyarm,nanopi-neo2", "allwinner,sun50i-h5";
> >> >
> >> >     aliases {
> >> > +           ethernet0 = &emac;
> >> >             serial0 = &uart0;
> >> >     };
> >> >
> >> > @@ -108,6 +109,22 @@
> >> >     status = "okay";
> >> >  };
> >> >
> >> > +&emac {
> >> > +   pinctrl-names = "default";
> >> > +   pinctrl-0 = <&emac_rgmii_pins>;
> >> > +   phy-supply = <&reg_gmac_3v3>;
> >> > +   phy-handle = <&ext_rgmii_phy>;
> >> > +   phy-mode = "rgmii";
> >> > +   status = "okay";
> >> > +};
> >> > +
> >> > +&mdio {
> >> > +   ext_rgmii_phy: ethernet-phy@7 {
> >> > +           compatible = "ethernet-phy-ieee802.3-c22";
> >> > +           reg = <7>;
> >> > +   };
> >> > +};
> >> > +
> >>
> >> This won't compile, you don't have that node in the H5 DTSI.
> >>
> >
> > Since H5 DTSI include arm/sunxi-h3-h5.dtsi it compiles.
> > Furthermore, I restested just now and confirm, it compiles fine.
> 
> The order of your patches are wrong. No individual patch should
> introduce build failures, not just the whole patch series.
> 

Yes, I just miss-understood the reason of build failure.
I will fix the order in the next serie.

Thanks
Corentin Labbe