netdev - Re: [PATCH RFC net-next 4/5] net: phylink: add phylink_set_max_fixed

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Message-ID: <20220705125828.2e7c8296@thinkpad>
Date:   Tue, 5 Jul 2022 12:58:28 +0200
From:   Marek Behún <kabel@...nel.org>
To:     "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Alvin __ipraga" <alsi@...g-olufsen.dk>,
        Claudiu Manoil <claudiu.manoil@....com>,
        "David S. Miller" <davem@...emloft.net>,
        DENG Qingfang <dqfext@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        George McCollister <george.mccollister@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Jakub Kicinski <kuba@...nel.org>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Landen Chao <Landen.Chao@...iatek.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
        Sean Wang <sean.wang@...iatek.com>,
        UNGLinuxDriver@...rochip.com,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>
Subject: Re: [PATCH RFC net-next 4/5] net: phylink: add
 phylink_set_max_fixed_link()

On Tue, 05 Jul 2022 10:48:02 +0100
"Russell King (Oracle)" <rmk+kernel@...linux.org.uk> wrote:

> Add a function for DSA to use to configure phylink, in the absence of
> any other configuration, to a fixed link operating at the maximum
> supported link speed.
> 
> This is needed so we can support phylink usage on CPU and DSA ports.
> 
> We use the default interface that the DSA driver provides (if any)
> otherwise we attempt to find the first supported interface that gives
> the maximum speed for the link.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>

Reviewed-by: Marek Behún <kabel@...nel.org>