netdev - Re: [net-next PATCH v3 13/15] phylink: introduce phylink_fwnode_phy

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Date:   Tue, 19 Jan 2021 09:35:56 +0530
From:   Calvin Johnson <calvin.johnson@....nxp.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Grant Likely <grant.likely@....com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Jeremy Linton <jeremy.linton@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Cristi Sovaiala <cristian.sovaiala@....com>,
        Florin Laurentiu Chiculita <florinlaurentiu.chiculita@....com>,
        Ioana Ciornei <ioana.ciornei@....com>,
        Madalin Bucur <madalin.bucur@....nxp.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Marcin Wojtas <mw@...ihalf.com>,
        Pieter Jansen Van Vuuren <pieter.jansenvv@...boosystems.io>,
        Jon <jon@...id-run.com>,
        Diana Madalina Craciun <diana.craciun@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>,
        Laurentiu Tudor <laurentiu.tudor@....com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        "linux.cj" <linux.cj@...il.com>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "David S. Miller" <davem@...emloft.net>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jakub Kicinski <kuba@...nel.org>
Subject: Re: [net-next PATCH v3 13/15] phylink: introduce
 phylink_fwnode_phy_connect()

On Tue, Jan 12, 2021 at 05:55:54PM +0200, Andy Shevchenko wrote:
> On Tue, Jan 12, 2021 at 3:43 PM Calvin Johnson
> <calvin.johnson@....nxp.com> wrote:
> >
> > Define phylink_fwnode_phy_connect() to connect phy specified by
> > a fwnode to a phylink instance.
> 
> ...
> 
> > +       phy_dev = fwnode_phy_find_device(phy_fwnode);
> > +       /* We're done with the phy_node handle */
> > +       fwnode_handle_put(phy_fwnode);
> > +       if (!phy_dev)
> > +               return -ENODEV;
> > +
> > +       ret = phy_attach_direct(pl->netdev, phy_dev, flags,
> > +                               pl->link_interface);
> > +       if (ret)
> 
> Hmm... Shouldn't you put phy_dev here?
I think you are right. We may have to add
		put_device(&phydev->mdio.dev);
It is missing in phylink_of_phy_connect() as well.
> 
> > +               return ret;
> 
> -- 
Thanks
Calvin