linux-kernel - Re: [PATCH net-next v2 1/1] net: phy: microchip: lan937x: add support for 100BaseTX PHY

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Message-ID: <ZqySmKF_C6t_YTXy@pengutronix.de>
Date: Fri, 2 Aug 2024 10:02:32 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Woojung Huh <woojung.huh@...rochip.com>, Andrew Lunn <andrew@...n.ch>,
	Arun Ramadoss <arun.ramadoss@...rochip.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	netdev@...r.kernel.org, Yuiko Oshino <yuiko.oshino@...rochip.com>,
	linux-kernel@...r.kernel.org, UNGLinuxDriver@...rochip.com,
	Eric Dumazet <edumazet@...gle.com>,
	Michal Kubiak <michal.kubiak@...el.com>, kernel@...gutronix.de,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH net-next v2 1/1] net: phy: microchip: lan937x: add
 support for 100BaseTX PHY

On Mon, Jul 29, 2024 at 09:14:47AM +0100, Russell King (Oracle) wrote:
> On Fri, Jul 05, 2024 at 10:55:50AM +0200, Oleksij Rempel wrote:
> > +static int lan937x_tx_config_aneg(struct phy_device *phydev)
> > +{
> > +	int ret;
> > +
> > +	ret = genphy_config_aneg(phydev);
> > +	if (ret)
> > +		return ret;
> > +
> > +	return lan937x_tx_config_mdix(phydev, phydev->mdix_ctrl);
> 
> Should the MDIX configuration be changed _after_ aneg has possibly
> been restarted (by genphy_config_aneg()) or should the MDIX config
> be done before?

Hm, good question. I'm sure it was working, but now i'm starting to
doubt. I'll retest it as soon I'll continue to work on this HW.

Regards,
Oleksij
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