netdev - Re: [PATCH v3 5/9] riscv: dts: starfive: jh7100-common: Setup pinmux and enable gmac

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Date: Sun, 17 Dec 2023 21:03:36 +0000
From: Conor Dooley <conor@...nel.org>
To: Emil Renner Berthing <emil.renner.berthing@...onical.com>
Cc: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Emil Renner Berthing <kernel@...il.dk>,
	Samin Guo <samin.guo@...rfivetech.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Hal Feng <hal.feng@...rfivetech.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Giuseppe Cavallaro <peppe.cavallaro@...com>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-clk@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH v3 5/9] riscv: dts: starfive: jh7100-common: Setup pinmux
 and enable gmac

On Sat, Dec 16, 2023 at 11:38:53AM -0800, Emil Renner Berthing wrote:
> Cristian Ciocaltea wrote:
> > Add pinmux configuration for DWMAC found on the JH7100 based boards and
> > enable the related DT node, providing a basic PHY configuration.
> >
> > Co-developed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
> > Signed-off-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
> > Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
> > ---
> >  .../boot/dts/starfive/jh7100-common.dtsi      | 85 +++++++++++++++++++
> >  1 file changed, 85 insertions(+)
> >
> > diff --git a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
> > index 42fb61c36068..5cafe8f5c2e7 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
> > +++ b/arch/riscv/boot/dts/starfive/jh7100-common.dtsi
> > @@ -72,7 +72,92 @@ wifi_pwrseq: wifi-pwrseq {
> >  	};
> >  };
> >
> > +&gmac {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&gmac_pins>;
> > +	phy-mode = "rgmii-id";
> > +	phy-handle = <&phy>;
> 
> I'm not sure if it's a generic policy or not, but I don't really like adding a
> reference to a non-existant node here. I'd move this property to the board
> files where the phy node is actually defined.

FWIW, I don't like the reference-in-the-wrong-place thing either.

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