linux-kernel - Re: [PATCH net 1/2] net: dsa: mv88e6xxx: fix marvell 6320/21 switch probing

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Date: Mon, 26 Feb 2024 14:23:33 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Steffen Bätz <steffen@...osonix.de>
Cc: Fabio Estevam <festevam@...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>,
	Russell King <linux@...linux.org.uk>,
	"Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 1/2] net: dsa: mv88e6xxx: fix marvell 6320/21 switch
 probing

On Mon, Feb 26, 2024 at 10:13:23AM +0100, Steffen Bätz wrote:
> As of commit de5c9bf40c45 ("net: phylink: require supported_interfaces to
> be filled")
> Marvell 88e6320/21 switches fail to be probed:
> 
> ...
> mv88e6085 30be0000.ethernet-1:00: phylink: error: empty supported_interfaces
> error creating PHYLINK: -22
> ...
> 
> The problem stems from the use of mv88e6185_phylink_get_caps() to get
> the device capabilities. Create a new dedicated phylink_get_caps for the
> 6320 and 6321 to properly support their set of capabilities.
> 
> Fixes: de5c9bf40c45 ("net: phylink: require supported_interfaces to be filled")
> Signed-off-by: Steffen Bätz <steffen@...osonix.de>

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

    Andrew