linux-kernel - Re: [PATCH net v2] net: bcmgenet: Clear ID_MODE_DIS in EXT_RGMII_OOB

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Message-ID: <b82646af-9cd3-e8e8-c968-e8bca473d881@gmail.com>
Date:   Tue, 25 Feb 2020 09:56:22 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Doug Berger <opendmb@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Stefan Wahren <wahrenst@....net>
Cc:     bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net v2] net: bcmgenet: Clear ID_MODE_DIS in
 EXT_RGMII_OOB_CTRL when not needed

On 2/25/20 5:11 AM, Nicolas Saenz Julienne wrote:
> Outdated Raspberry Pi 4 firmware might configure the external PHY as
> rgmii although the kernel currently sets it as rgmii-rxid. This makes
> connections unreliable as ID_MODE_DIS is left enabled. To avoid this,
> explicitly clear that bit whenever we don't need it.
> 
> Fixes: da38802211cc ("net: bcmgenet: Add RGMII_RXID support")
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>

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