linux-kernel - Re: [RFC v6 net-next 4/9] net: mdio: mscc-miim: add ability to externally register phy reset control

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Date:   Mon, 31 Jan 2022 09:32:58 -0800
From:   Colin Foster <colin.foster@...advantage.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Lee Jones <lee.jones@...aro.org>,
        "katie.morris@...advantage.com" <katie.morris@...advantage.com>
Subject: Re: [RFC v6 net-next 4/9] net: mdio: mscc-miim: add ability to
 externally register phy reset control

Hi Vladimir,

On Mon, Jan 31, 2022 at 05:13:19PM +0000, Vladimir Oltean wrote:
> On Sat, Jan 29, 2022 at 02:02:16PM -0800, Colin Foster wrote:
> > @@ -257,15 +260,14 @@ static int mscc_miim_probe(struct platform_device *pdev)
> >  		}
> >  	}
> >  
> > -	ret = mscc_miim_setup(dev, &bus, "mscc_miim", mii_regmap, 0);
> > +	ret = mscc_miim_setup(&pdev->dev, &bus, "mscc_miim", mii_regmap, 0,
> > +			      phy_regmap, 0);
> >  	if (ret < 0) {
> >  		dev_err(dev, "Unable to setup the MDIO bus\n");
> >  		return ret;
> >  	}
> >  
> >  	miim = bus->priv;
> 
> You left this variable set but not used. Please delete it.

Correct. Good catch. There were a couple of these in v6 that
kernel-test-robot is happy to point out to me :-)

Already fixed in my v7 branch.

> 
> > -	miim->phy_regs = phy_regmap;
> > -	miim->phy_reset_offset = 0;
> >  
> >  	ret = of_mdiobus_register(bus, dev->of_node);
> >  	if (ret < 0) {