linux-kernel - Re: [PATCH net] net: dsa: bcm_sf2: Fix bcm_sf2_reg_rgmii

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Date:   Fri, 21 May 2021 19:53:04 +0200
From:   Rafał Miłecki <rafal@...ecki.pl>
To:     Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
Cc:     zajec5@...il.com, Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net] net: dsa: bcm_sf2: Fix bcm_sf2_reg_rgmii_cntrl() call
 for non-RGMII port

On 21.05.2021 19:46, Florian Fainelli wrote:
> We cannot call bcm_sf2_reg_rgmii_cntrl() for a port that is not RGMII,
> yet we do that in bcm_sf2_sw_mac_link_up() irrespective of the port's
> interface. Move that read until we have properly qualified the PHY
> interface mode. This avoids triggering a warning on 7278 platforms that
> have GMII ports.
> 
> Fixes: 55cfeb396965 ("net: dsa: bcm_sf2: add function finding RGMII register")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>

Acked-by: Rafał Miłecki <rafal@...ecki.pl>