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From: Andrew Lunn <andrew@lunn.ch>
To: Helmut Grohne <helmut.grohne@intenta.de>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>,
	Alexandre Belloni <alexandre.belloni@bootlin.com>,
	Ludovic Desroches <ludovic.desroches@microchip.com>,
	Woojung Huh <woojung.huh@microchip.com>,
	Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH] net: dsa: microchip: look for phy-mode in port nodes
Date: Wed, 15 Jul 2020 15:00:46 +0200	[thread overview]
Message-ID: <20200715130046.GB1211629@lunn.ch> (raw)
In-Reply-To: <20200715073112.GA25047@laureti-dev>

On Wed, Jul 15, 2020 at 09:31:12AM +0200, Helmut Grohne wrote:
> You seem to be in favour of more deeply encoding the "there can be only
> one CPU port" assumption. Based on that assumption, the rest of what you
> write makes very much sense to me. Is that the direction to go?

From what i understand, there is only one port which can do RGMII. It
does not really matter if that is the CPU port, or a user
port. Ideally, whatever port it is, should have the phy-mode property
in its port node.

How you store that information until you need it is up to the
driver. But KISS is generally best, reuse what you have, unless there
is a good reason to change it. If you see this code being reused when
more than one port supports RGMII, then adding a per port members
makes sense. But if that is unlikely, keep with the global.

      Andrew

  reply	other threads:[~2020-07-15 13:00 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-17  8:22 net/dsa/microchip: correct placement of dt property phy-mode? Helmut Grohne
2020-06-17 21:18 ` Andrew Lunn
2020-07-14 12:08 ` [PATCH] net: dsa: microchip: look for phy-mode in port nodes Helmut Grohne
2020-07-14 22:27   ` Andrew Lunn
2020-07-15  7:31     ` Helmut Grohne
2020-07-15 13:00       ` Andrew Lunn [this message]
2020-07-16  7:00         ` Helmut Grohne
2020-07-16 10:07           ` Helmut Grohne
2020-08-20  6:03             ` [RESEND PATCH] " Helmut Grohne
2020-08-24 22:37               ` David Miller
2020-09-04  8:14                 ` [PATCH v2] " Helmut Grohne
2020-09-04 12:59                   ` Alexandre Belloni
2020-09-04 13:52                   ` Andrew Lunn
2020-09-07  6:15                     ` Helmut Grohne
2020-09-07 12:55                       ` Andrew Lunn
2020-09-08  8:01                         ` [PATCH v3] " Helmut Grohne
2020-09-10 19:32                           ` David Miller
2020-09-24  8:37                             ` [PATCH] net: dsa: microchip: really " Helmut Grohne
2020-09-25  3:10                               ` David Miller

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