linux-kernel - Re: [PATCH net 2/2] net: dsa: b53: fix bcm63xx RGMII port link adjustment

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Message-ID: <ab0e31be-47a1-453f-9d73-26b8d02bd882@broadcom.com>
Date: Mon, 3 Nov 2025 08:49:12 -0800
From: Florian Fainelli <florian.fainelli@...adcom.com>
To: Jonas Gorski <jonas.gorski@...il.com>,
 Florian Fainelli <florian.fainelli@...adcom.com>,
 Andrew Lunn <andrew@...n.ch>, 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>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net 2/2] net: dsa: b53: fix bcm63xx RGMII port link
 adjustment

On 11/1/25 06:28, Jonas Gorski wrote:
> BCM63XX's switch does not support MDIO scanning of external phys, so its
> MACs needs to be manually configured for autonegotiated link speeds.
> 
> So b53_force_port_config() and b53_force_link() accordingly also when
> mode is MLO_AN_PHY for those ports.
> 
> Fixes lower speeds than 1000/full on rgmii ports 4 - 7.
> 
> This aligns the behaviour with the old bcm63xx_enetsw driver for those
> ports.
> 
> Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
> Signed-off-by: Jonas Gorski <jonas.gorski@...il.com>

Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian