linux-kernel - Re: [PATCH net-next 4/7] net: phy: marvell10g: Add support for 2.5GBASET and 5GBASET

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Message-ID: <20190118155108.jfu4yjsod225kst3@e5254000004ec.dyn.armlinux.org.uk>
Date:   Fri, 18 Jan 2019 15:51:08 +0000
From:   Russell King - ARM Linux admin <linux@...linux.org.uk>
To:     Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Antoine Tenart <antoine.tenart@...tlin.com>,
        thomas.petazzoni@...tlin.com, gregory.clement@...tlin.com,
        miquel.raynal@...tlin.com, nadavh@...vell.com, stefanc@...vell.com,
        mw@...ihalf.com
Subject: Re: [PATCH net-next 4/7] net: phy: marvell10g: Add support for
 2.5GBASET and 5GBASET

On Fri, Jan 18, 2019 at 04:23:49PM +0100, Maxime Chevallier wrote:
> @@ -264,8 +265,10 @@ static int mv3310_config_init(struct phy_device *phydev)
>  	if (ret)
>  		return ret;
>  
> -	linkmode_and(phydev->advertising, phydev->advertising,
> -		     phydev->supported);
> +	/* Make sure we advertise all the supported modes, and not just the
> +	 * default one specified in the driver's .features.
> +	 */
> +	linkmode_copy(phydev->advertising, phydev->supported);

This looks wrong to me, it tramples over the work that phy_probe()
did, specifically with regard to the pause mode bits.  Please see
the comments in that function about the pause mode bits.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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