netdev - Re: [PATCH net-next 10/10] net: dsa: bcm_sf2: drop priv->master_mii

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Message-ID: <c29d9020-6aee-423a-b18a-d85766def8f9@gmail.com>
Date: Thu, 4 Jan 2024 09:32:53 -0800
From: Florian Fainelli <f.fainelli@...il.com>
To: Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
 Luiz Angelo Daros de Luca <luizluca@...il.com>,
 Alvin Šipraga <alsi@...g-olufsen.dk>,
 Linus Walleij <linus.walleij@...aro.org>,
 Florian Fainelli <florian.fainelli@...adcom.com>,
 Hauke Mehrtens <hauke@...ke-m.de>, Christian Marangi <ansuelsmth@...il.com>,
 Arınç ÜNAL <arinc.unal@...nc9.com>
Subject: Re: [PATCH net-next 10/10] net: dsa: bcm_sf2: drop
 priv->master_mii_dn

On 1/4/24 06:00, Vladimir Oltean wrote:
> There used to be a of_node_put(priv->master_mii_dn) call in
> bcm_sf2_mdio_unregister(), which was accidentally deleted in commit
> 6ca80638b90c ("net: dsa: Use conduit and user terms").
> 
> But it's not needed - we don't need to hold a reference on the
> "brcm,unimac-mdio" OF node for that long, since we don't do anything
> with it. We can release it as soon as we finish bcm_sf2_mdio_register().
> 
> Also reduce "if (err && dn)" to just "if (err)". We know "dn", aka the
> former priv->master_mii_dn, is non-NULL. Otherwise, of_mdio_find_bus(dn)
> would not have been able to find the bus behind "brcm,unimac-mdio".
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
Tested-by: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian