netdev - Re: [PATCH net-next v4 06/23] net: phy: c22: migrate to genphy_c45_write_eee

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Message-ID: <Y9qhLbZ/kf2/buln@lunn.ch>
Date:   Wed, 1 Feb 2023 18:28:13 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Woojung Huh <woojung.huh@...rochip.com>,
        UNGLinuxDriver@...rochip.com,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Wei Fang <wei.fang@....com>,
        Heiner Kallweit <hkallweit1@...il.com>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        Arun.Ramadoss@...rochip.com, intel-wired-lan@...ts.osuosl.org
Subject: Re: [PATCH net-next v4 06/23] net: phy: c22: migrate to
 genphy_c45_write_eee_adv()

> +	/* This is optional functionality. If not supported, we may get an error
> +	 * which should be ignored.
> +	 */
> +	genphy_c45_read_eee_abilities(phydev);

Humm, philosophic discussion. Would it be better for
genphy_c45_read_eee_abilities() to silently ignore the error? Errors
like -ETIMEDOUT should probably be returned, but -EOPNOTSUPP should be
ignored.

	Andrew