linux-kernel - Re: [PATCH 2/2] net: gmii2rgmii: Switch priv field in mdio device structure

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Message-ID: <CAFcVEC+DyVhLzbMdSDsadivbnZJxSEg-0kUF5_Q+mtSbBnmhSA@mail.gmail.com>
Date:   Tue, 13 Aug 2019 16:46:40 +0530
From:   Harini Katakam <harinik@...inx.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Harini Katakam <harini.katakam@...inx.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        David Miller <davem@...emloft.net>,
        Michal Simek <michal.simek@...inx.com>, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        radhey.shyam.pandey@...inx.com
Subject: Re: [PATCH 2/2] net: gmii2rgmii: Switch priv field in mdio device structure

Hi Andrew,

On Thu, Aug 1, 2019 at 9:36 AM Andrew Lunn <andrew@...n.ch> wrote:
>
> On Wed, Jul 31, 2019 at 03:06:19PM +0530, Harini Katakam wrote:
> > Use the priv field in mdio device structure instead of the one in
> > phy device structure. The phy device priv field may be used by the
> > external phy driver and should not be overwritten.
>
> Hi Harini
>
> I _think_ you could use dev_set_drvdata(&mdiodev->dev) in xgmiitorgmii_probe() and
> dev_get_drvdata(&phydev->mdiomdio.dev) in _read_status()

Thanks for the review. This works if I do:
dev_set_drvdata(&priv->phy_dev->mdio.dev->dev) in probe
and then
dev_get_drvdata(&phydev->mdio.dev) in _read_status()

i.e mdiodev in gmii2rgmii probe and priv->phy_dev->mdio are not the same.

If this is acceptable, I can send a v2.

Regards,
Harini