linux-kernel - Re: [PATCH net-next] net: phy: adin: allow control of Fast Link Down

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Message-ID: <452f1e1c-1afd-4a36-bf60-11b7de291d2f@lunn.ch>
Date:   Tue, 28 Nov 2023 21:18:00 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Vincent Whitchurch <vincent.whitchurch@...s.com>
Cc:     Michael Hennerich <michael.hennerich@...log.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel@...s.com
Subject: Re: [PATCH net-next] net: phy: adin: allow control of Fast Link Down

On Mon, Nov 27, 2023 at 04:31:39PM +0100, Vincent Whitchurch wrote:
> Add support to allow Fast Link Down (aka "Enhanced link detection") to
> be controlled via the ETHTOOL_PHY_FAST_LINK_DOWN tunable.  These PHYs
> have this feature enabled by default.
> 
> Signed-off-by: Vincent Whitchurch <vincent.whitchurch@...s.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

Is there anything in the datasheet about how fast it is? It would be
nice to return the number of milliseconds, if its known.

    Andrew