netdev - Re: [PATCH net 3/7] net: dsa: mt7530: do not run mt7530_setup

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Date:   Mon, 27 Mar 2023 21:56:11 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     arinc9.unal@...il.com
Cc:     Sean Wang <sean.wang@...iatek.com>,
        Landen Chao <Landen.Chao@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>, Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Russell King <linux@...linux.org.uk>,
        René van Dorst <opensource@...rst.com>,
        Arınç ÜNAL <arinc.unal@...nc9.com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Ilya Lipnitskiy <ilya.lipnitskiy@...il.com>,
        Richard van Schagen <richard@...terhints.com>,
        Richard van Schagen <vschagen@...com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        erkin.bozoglu@...ont.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net 3/7] net: dsa: mt7530: do not run
 mt7530_setup_port5() if port 5 is disabled

On Sun, Mar 26, 2023 at 05:08:14PM +0300, arinc9.unal@...il.com wrote:
> From: Arınç ÜNAL <arinc.unal@...nc9.com>
> 
> There's no need to run all the code on mt7530_setup_port5() if port 5 is
> disabled. Run mt7530_setup_port5() if priv->p5_intf_sel is not P5_DISABLED
> and remove the P5_DISABLED case from mt7530_setup_port5().
> 
> Stop initialising the interface variable as the remaining cases will always
> call mt7530_setup_port5() with it initialised.
> 
> Fixes: 38f790a80560 ("net: dsa: mt7530: Add support for port 5")
> Tested-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> Signed-off-by: Arınç ÜNAL <arinc.unal@...nc9.com>
> ---

Again, not sure what is the problem, and how this solution addresses
that problem. I see Fixes tags for all patches, but I don't understand
what they fix, what didn't work before that works now?