linux-kernel - Re: [PATCH net-next v3] net: phy: micrel: Add Fast link failure support for lan8842

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Message-ID: <7fee1c03-63c5-4847-b24a-e46bbdcaa42e@lunn.ch>
Date: Wed, 17 Sep 2025 14:49:48 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc: hkallweit1@...il.com, linux@...linux.org.uk, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v3] net: phy: micrel: Add Fast link failure
 support for lan8842

On Wed, Sep 17, 2025 at 12:46:30PM +0200, Horatiu Vultur wrote:
> Add support for fast link failure for lan8842, when this is enabled the
> PHY will detect link down immediately (~1ms). The disadvantage of this
> is that also small instability might be reported as link down.
> Therefore add this feature as a tunable configuration and the user will
> know when to enable or not. By default it is not enabled.
> 
> Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>

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

    Andrew