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From:   Andy Shevchenko <andy.shevchenko@gmail.com>
Date:   Mon, 15 Feb 2021 17:13:44 +0200
Message-ID: <CAHp75VcpR1uf-6me9-MiXzESP9gtE0=Oz5TaFj0E93C3w4=Fgg@mail.gmail.com>
Subject: Re: [net-next PATCH v5 15/15] net: dpaa2-mac: Add ACPI support for
 DPAA2 MAC driver
To:     Calvin Johnson <calvin.johnson@oss.nxp.com>
Cc:     Russell King - ARM Linux admin <linux@armlinux.org.uk>,
        Grant Likely <grant.likely@arm.com>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Jeremy Linton <jeremy.linton@arm.com>,
        Andrew Lunn <andrew@lunn.ch>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Cristi Sovaiala <cristian.sovaiala@nxp.com>,
        Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>,
        Ioana Ciornei <ioana.ciornei@nxp.com>,
        Madalin Bucur <madalin.bucur@oss.nxp.com>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Marcin Wojtas <mw@semihalf.com>,
        Pieter Jansen Van Vuuren <pieter.jansenvv@bamboosystems.io>,
        Jon <jon@solid-run.com>, Saravana Kannan <saravanak@google.com>,
        Randy Dunlap <rdunlap@infradead.org>,
        Laurentiu Tudor <laurentiu.tudor@nxp.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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        Diana Madalina Craciun <diana.craciun@nxp.com>,
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        linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>,
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On Mon, Feb 15, 2021 at 2:33 PM Calvin Johnson
<calvin.johnson@oss.nxp.com> wrote:
> On Mon, Feb 08, 2021 at 04:28:31PM +0000, Russell King - ARM Linux admin wrote:

...

> I think of_phy_is_fixed_link() needs to be fixed. I'll add below fix.
>
> --- a/drivers/net/mdio/of_mdio.c
> +++ b/drivers/net/mdio/of_mdio.c
> @@ -439,6 +439,9 @@ bool of_phy_is_fixed_link(struct device_node *np)
>         int len, err;
>         const char *managed;
>
> +       if (!np)
> +               return false;

AFAICS this doesn't add anything: all of the of_* APIs should handle
OF nodes being NULL below.

>         /* New binding */
>         dn = of_get_child_by_name(np, "fixed-link");
>         if (dn) {

-- 
With Best Regards,
Andy Shevchenko