linux-kernel - Re: [PATCH net-next v1] net: dsa: fix bridge support for drivers without port_bridge

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Date:   Wed, 21 Apr 2021 09:32:33 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Oleksij Rempel <o.rempel@...gutronix.de>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     kernel@...gutronix.de, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Russell King <linux@...linux.org.uk>
Subject: Re: [PATCH net-next v1] net: dsa: fix bridge support for drivers
 without port_bridge_flags callback



On 4/21/2021 6:05 AM, Oleksij Rempel wrote:
> Starting with patch:
> a8b659e7ff75 ("net: dsa: act as passthrough for bridge port flags")
> 
> drivers without "port_bridge_flags" callback will fail to join the bridge.
> Looking at the code, -EOPNOTSUPP seems to be the proper return value,
> which makes at least microchip and atheros switches work again.
> 
> Fixes: a8b659e7ff75 ("net: dsa: act as passthrough for bridge port flags")
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian