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Message-ID: <20231207180332.ugfp33xcdkw3elrw@skbuf>
Date: Thu, 7 Dec 2023 20:03:32 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Arınç ÜNAL <arinc.unal@...nc9.com>
Cc: "Russell King (Oracle)" <linux@...linux.org.uk>,
Daniel Golle <daniel@...rotopia.org>,
Landen Chao <Landen.Chao@...iatek.com>,
DENG Qingfang <dqfext@...il.com>,
Sean Wang <sean.wang@...iatek.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>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org,
Frank Wunderlich <frank-w@...lic-files.de>,
Bartel Eerdekens <bartel.eerdekens@...stell8.be>,
mithat.guner@...ont.com, erkin.bozoglu@...ont.com
Subject: Re: [PATCH net-next 05/15] net: dsa: mt7530: improve code path for
setting up port 5
On Sat, Dec 02, 2023 at 11:36:03AM +0300, Arınç ÜNAL wrote:
> On 18.11.2023 17:41, Russell King (Oracle) wrote:
> > > For the cases of PHY muxing or the port being disabled, call
> > > mt7530_setup_port5() from mt7530_setup(). mt7530_setup_port5() from
> > > mt753x_phylink_mac_config() won't run when port 5 is disabled or used for
> > > PHY muxing as port 5 won't be defined on the devicetree.
> >
> > ... and this should state why this needs to happen - in other words,
> > the commit message should state why is it critical that port 5 is
> > always setup.
>
> Actually, port 5 must not always be setup. With patch 7, I explain this
> while preventing mt7530_setup_port5() from running if port 5 is disabled.
>
> Arınç
Then change that last paragraph. You could say something like this:
To keep the cases where port 5 isn't controlled by phylink working as
before, we need to preserve the mt7530_setup_port5() call from mt7530_setup().
I think it's a case of saying too much, which sparks too many unresolved
questions in the reader's mind, which are irrelevant for the purpose of
this specific change: eliminating the overlap between DSA's setup() time
and phylink.
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