linux-kernel - Re: [PATCH 2/2] imx6qdl.dtsi: use MAC-address from nvmem

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Message-ID: <Y7BsmULn+VQNP3g+@lunn.ch>
Date:   Sat, 31 Dec 2022 18:08:41 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Shawn Guo <shawnguo@...nel.org>
Cc:     Nikolaus Voss <nikolaus.voss@...g-streit.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, nv@...n.de,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] imx6qdl.dtsi: use MAC-address from nvmem

> > @@ -1053,6 +1053,8 @@ fec: ethernet@...8000 {
> >  					 <&clks IMX6QDL_CLK_ENET_REF>;
> >  				clock-names = "ipg", "ahb", "ptp", "enet_out";
> >  				fsl,stop-mode = <&gpr 0x34 27>;
> > +				nvmem-cells = <&fec_mac_addr>;
> > +				nvmem-cell-names = "mac-address";
> 
> May I ask where is the support of FEC driver for this?

The fec uses of_get_mac_address() which calls
of_get_mac_address_nvmem() as its last place to look for the MAC
address.

    Andrew