netdev - Re: [PATCH] net: sh_eth: do not advertise Gigabit capabilities when not available

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Message-ID: <20171204192528.GB12805@lunn.ch>
Date:   Mon, 4 Dec 2017 20:25:28 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:     Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        "David S. Miller" <davem@...emloft.net>,
        Niklas Söderlund 
        <niklas.soderlund+renesas@...natech.se>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Simon Horman <horms+renesas@...ge.net.au>,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH] net: sh_eth: do not advertise Gigabit capabilities when
 not available

> >diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
> >index db72d13cebb9..0074c5998481 100644
> >--- a/drivers/net/ethernet/renesas/sh_eth.c
> >+++ b/drivers/net/ethernet/renesas/sh_eth.c
> >@@ -1892,6 +1892,11 @@ static int sh_eth_phy_init(struct net_device *ndev)
> >  		return PTR_ERR(phydev);
> >  	}
> >+	/* mask with MAC supported features */
> >+	if (mdp->cd->register_type != SH_ETH_REG_GIGABIT)
> >+		phydev->supported &= PHY_BASIC_FEATURES;
> >+	phydev->advertising = phydev->supported;
> >+
> 
>    Um, looking at this again, I think we have phy_set_max_speed() for that
> kind of stuff now...

Ah, yes. I forgot about that.

Thomas, can you make a v2?

    Andrew