netdev - Re: [net-next PATCH v6 16/16] arm: mvebu: dt: Add PHY LED support for 370-rd WAN port

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Date:   Tue, 28 Mar 2023 13:59:30 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Pavel Machek <pavel@....cz>
Cc:     Christian Marangi <ansuelsmth@...il.com>,
        Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        John Crispin <john@...ozen.org>, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [net-next PATCH v6 16/16] arm: mvebu: dt: Add PHY LED support
 for 370-rd WAN port

On Tue, Mar 28, 2023 at 10:31:16AM +0200, Pavel Machek wrote:
> On Mon 2023-03-27 16:10:31, Christian Marangi wrote:
> > From: Andrew Lunn <andrew@...n.ch>
> > 
> > The WAN port of the 370-RD has a Marvell PHY, with one LED on
> > the front panel. List this LED in the device tree.
> 
> > @@ -135,6 +136,19 @@ &mdio {
> >  	pinctrl-names = "default";
> >  	phy0: ethernet-phy@0 {
> >  		reg = <0>;
> > +		leds {
> > +			#address-cells = <1>;
> > +			#size-cells = <0>;
> > +
> > +			led@0 {
> > +				reg = <0>;
> > +				label = "WAN";
> > +				color = <LED_COLOR_ID_WHITE>;
> > +				function = LED_FUNCTION_LAN;
> > +				function-enumerator = <1>;
> > +				linux,default-trigger = "netdev";
> > +			};
> 
> /sys/class/leds/WAN is not acceptable.

As i said here, that is not what it gets called:

https://lore.kernel.org/netdev/aa2d0a8b-b98b-4821-9413-158be578e8e0@lunn.ch/T/#m6c72bd355df3fcf8babc0d01dd6bf2697d069407

> It can be found in /sys/class/leds/f1072004.mdio-mii:00:WAN. But when
> we come to using it for ledtrig-netdev, the user is more likely to follow
> /sys/class/net/eth0/phydev/leds/f1072004.mdio-mii\:00\:WAN/

Is that acceptable?

What are the acceptance criteria?

     Andrew