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Date:   Thu, 18 Jun 2020 03:31:21 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev@...r.kernel.org, DENG Qingfang <dqfext@...il.com>,
        Mauri Sandberg <sandberg@...lfence.com>
Subject: Re: [net-next PATCH 4/5 v2] net: dsa: rtl8366: VLAN 0 as disable
 tagging

On Wed, Jun 17, 2020 at 10:31:31AM +0200, Linus Walleij wrote:
> The code in net/8021q/vlan.c, vlan_device_event() sets
> VLAN 0 for a VLAN-capable ethernet device when it
> comes up.
> 
> Since the RTL8366 DSA switches must have a VLAN and
> PVID set up for any packets to come through we have
> already set up default VLAN for each port as part of
> bringing the switch online.
> 
> Make sure that setting VLAN 0 has the same effect
> and does not try to actually tell the hardware to use
> VLAN 0 on the port because that will not work.
> 
> Cc: DENG Qingfang <dqfext@...il.com>
> Cc: Mauri Sandberg <sandberg@...lfence.com>
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

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

    Andrew

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