linux-kernel - Re: [PATCH net-next] Revert "net: dsa: bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278"

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Date:   Tue, 25 Feb 2020 10:26:34 -0500
From:   Vivien Didelot <vivien.didelot@...il.com>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        "David S. Miller" <davem@...emloft.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] Revert "net: dsa: bcm_sf2: Also configure Port 5
 for 2Gb/sec on 7278"

On Mon, 24 Feb 2020 15:44:26 -0800, Florian Fainelli <f.fainelli@...il.com> wrote:
> This reverts commit 7458bd540fa0a90220b9e8c349d910d9dde9caf8 ("net: dsa:
> bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278") as it causes
> advanced congestion buffering issues with 7278 switch devices when using
> their internal Giabit PHY. While this is being debugged, continue with
> conservative defaults that work and do not cause packet loss.
> 
> Fixes: 7458bd540fa0 ("net: dsa: bcm_sf2: Also configure Port 5 for 2Gb/sec on 7278")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Reviewed-by: Vivien Didelot <vivien.didelot@...il.com>