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:   Wed, 26 Feb 2020 16:46:04 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     f.fainelli@...il.com
Cc:     netdev@...r.kernel.org, andrew@...n.ch, vivien.didelot@...il.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] Revert "net: dsa: bcm_sf2: Also configure
 Port 5 for 2Gb/sec on 7278"

From: Florian Fainelli <f.fainelli@...il.com>
Date: Mon, 24 Feb 2020 15:44:26 -0800

> 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>

Applied.