linux-kernel - Re: [PATCH net-next] net: dsa: rzn1-a5psw: Add vlan support

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Message-ID: <20230112213755.42f6cf75@kernel.org>
Date:   Thu, 12 Jan 2023 21:37:55 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Clément Léger <clement.leger@...tlin.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        linux-renesas-soc@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        Herve Codina <herve.codina@...tlin.com>,
        Miquèl Raynal <miquel.raynal@...tlin.com>,
        Milan Stevanovic <milan.stevanovic@...com>,
        Jimmy Lalande <jimmy.lalande@...com>,
        Pascal Eberhard <pascal.eberhard@...com>
Subject: Re: [PATCH net-next] net: dsa: rzn1-a5psw: Add vlan support

On Wed, 11 Jan 2023 12:56:07 +0100 Clément Léger wrote:
> Add support for vlan operation (add, del, filtering) on the RZN1
> driver. The a5psw switch supports up to 32 VLAN IDs with filtering,
> tagged/untagged VLANs and PVID for each ports.

noob question - do you need that mutex? 
aren't those ops all under rtnl_lock?