netdev - Re: [PATCH net v7 3/3] net: dsa: microchip: monitor potential faults in half-duplex mode

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Message-ID: <cecf8c0f-b86c-4371-805f-00630c17f22a@lunn.ch>
Date: Sat, 22 Jun 2024 20:33:37 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@...oirfairelinux.com>
Cc: netdev@...r.kernel.org, hkallweit1@...il.com, linux@...linux.org.uk,
	woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com,
	horms@...nel.org, Tristram.Ha@...rochip.com,
	Arun.Ramadoss@...rochip.com
Subject: Re: [PATCH net v7 3/3] net: dsa: microchip: monitor potential faults
 in half-duplex mode

On Fri, Jun 21, 2024 at 04:43:22PM +0200, Enguerrand de Ribaucourt wrote:
> The errata DS80000754 recommends monitoring potential faults in
> half-duplex mode for the KSZ9477 family.
> 
> half-duplex is not very common so I just added a critical message
> when the fault conditions are detected. The switch can be expected
> to be unable to communicate anymore in these states and a software
> reset of the switch would be required which I did not implement.
> 
> Fixes: b987e98e50ab ("dsa: add DSA switch driver for Microchip KSZ9477")
> Signed-off-by: Enguerrand de Ribaucourt <enguerrand.de-ribaucourt@...oirfairelinux.com>

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

    Andrew