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Message-ID: <CAHp75VdAE70EbAyuPXFQPLq+4E_Bj+8VbmY7amEB7TFB=U5HZQ@mail.gmail.com>
Date:   Sun, 8 May 2022 23:14:12 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Colin Foster <colin.foster@...advantage.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        netdev@...r.kernel.org, Terry Bowman <terry.bowman@....com>,
        Wolfram Sang <wsa@...nel.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>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "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,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Lee Jones <lee.jones@...aro.org>
Subject: Re: [RFC v8 net-next 04/16] net: mdio: mscc-miim: add ability to be
 used in a non-mmio configuration

On Sun, May 8, 2022 at 8:53 PM Colin Foster
<colin.foster@...advantage.com> wrote:
>
> There are a few Ocelot chips that contain the logic for this bus, but are
> controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In
> the externally controlled configurations these registers are not
> memory-mapped.
>
> Add support for these non-memory-mapped configurations.

...

> +               res = platform_get_resource(pdev, IORESOURCE_REG, 0);
> +               if (!res) {
> +                       dev_err(dev, "Unable to get MIIM resource\n");
> +                       return -ENODEV;

return dev_err_probe(...); ?

> +               }

...

> +       if (IS_ERR(phy_regmap)) {
> +               dev_err(dev, "Unable to create phy register regmap\n");
> +               return PTR_ERR(phy_regmap);

Ditto.

>         }

-- 
With Best Regards,
Andy Shevchenko

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