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Message-ID: <b6447c89-4e72-a9b6-f731-3fefb2a835fa@gmail.com>
Date:   Fri, 18 Mar 2022 14:23:21 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Tobias Waldekranz <tobias@...dekranz.com>, davem@...emloft.net,
        kuba@...nel.org
Cc:     Marek BehĂșn <kabel@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 1/2] net: dsa: mv88e6xxx: Require ops be
 implemented to claim STU support

On 3/18/22 1:13 PM, Tobias Waldekranz wrote:
> Simply having a physical STU table in the device doesn't do us any
> good if there's no implementation of the relevant ops to access that
> table. So ensure that chips that claim STU support can also talk to
> the hardware.
> 
> This fixes an issue where chips that had a their ->info->max_sid
> set (due to their family membership), but no implementation (due to
> their chip-specific ops struct) would fail to probe.
> 
> Fixes: 49c98c1dc7d9 ("net: dsa: mv88e6xxx: Disentangle STU from VTU")
> Reported-by: Marek BehĂșn <kabel@...nel.org>
> Signed-off-by: Tobias Waldekranz <tobias@...dekranz.com>

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

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