From: Tobias Waldekranz <tobias@waldekranz.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
netdev@vger.kernel.org, Antoine Tenart <atenart@kernel.org>,
Russell King - ARM Linux admin <linux@armlinux.org.uk>,
Vivien Didelot <vivien.didelot@gmail.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Maxime Chevallier <maxime.chevallier@bootlin.com>,
"David S. Miller" <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org,
Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: net: phy: Dealing with 88e1543 dual-port mode
Date: Fri, 20 Nov 2020 10:05:18 +0100 [thread overview]
Message-ID: <87a6vc9z5d.fsf@waldekranz.com> (raw)
In-Reply-To: <20201120000050.GV1804098@lunn.ch>
On Fri, Nov 20, 2020 at 01:00, Andrew Lunn <andrew@lunn.ch> wrote:
>> E.g. at Westermo we make switches with M12/M12X connectors [1] that
>> sometimes have a 1G PHY behind a 2-pair M12 connector (for complicated
>> legacy reasons). In such cases we have to remove 1000-HD/FD from the
>> advertised link modes. Being able to describe that in the DT with
>> something like:
>>
>> ethernet-phy@0 {
>> mdi = "2-pair";
>> };
>
> We already have a max-speed property which could be used to do this.
> It will remove the 1000-HD/FD from the link mode if you set it to 100.
>
> Andrew
Oh wow, well strike that argument then :)
Thank you
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WARNING: multiple messages have this Message-ID (diff)
From: Tobias Waldekranz <tobias@waldekranz.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Maxime Chevallier <maxime.chevallier@bootlin.com>,
Russell King - ARM Linux admin <linux@armlinux.org.uk>,
Vivien Didelot <vivien.didelot@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Antoine Tenart <atenart@kernel.org>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: net: phy: Dealing with 88e1543 dual-port mode
Date: Fri, 20 Nov 2020 10:05:18 +0100 [thread overview]
Message-ID: <87a6vc9z5d.fsf@waldekranz.com> (raw)
In-Reply-To: <20201120000050.GV1804098@lunn.ch>
On Fri, Nov 20, 2020 at 01:00, Andrew Lunn <andrew@lunn.ch> wrote:
>> E.g. at Westermo we make switches with M12/M12X connectors [1] that
>> sometimes have a 1G PHY behind a 2-pair M12 connector (for complicated
>> legacy reasons). In such cases we have to remove 1000-HD/FD from the
>> advertised link modes. Being able to describe that in the DT with
>> something like:
>>
>> ethernet-phy@0 {
>> mdi = "2-pair";
>> };
>
> We already have a max-speed property which could be used to do this.
> It will remove the 1000-HD/FD from the link mode if you set it to 100.
>
> Andrew
Oh wow, well strike that argument then :)
Thank you
next prev parent reply other threads:[~2020-11-20 9:06 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 14:22 net: phy: Dealing with 88e1543 dual-port mode Maxime Chevallier
2020-11-19 14:22 ` Maxime Chevallier
2020-11-19 14:55 ` Russell King - ARM Linux admin
2020-11-19 14:55 ` Russell King - ARM Linux admin
2020-11-19 15:19 ` Russell King - ARM Linux admin
2020-11-19 15:19 ` Russell King - ARM Linux admin
2020-11-19 15:24 ` Maxime Chevallier
2020-11-19 15:24 ` Maxime Chevallier
2020-11-19 22:43 ` Tobias Waldekranz
2020-11-19 22:43 ` Tobias Waldekranz
2020-11-19 23:16 ` Russell King - ARM Linux admin
2020-11-19 23:16 ` Russell King - ARM Linux admin
2020-11-20 0:11 ` Tobias Waldekranz
2020-11-20 0:11 ` Tobias Waldekranz
2020-11-20 0:40 ` Russell King - ARM Linux admin
2020-11-20 0:40 ` Russell King - ARM Linux admin
2020-11-20 9:12 ` Tobias Waldekranz
2020-11-20 9:12 ` Tobias Waldekranz
2020-11-20 9:36 ` Maxime Chevallier
2020-11-20 9:36 ` Maxime Chevallier
2020-11-20 10:25 ` Russell King - ARM Linux admin
2020-11-20 10:25 ` Russell King - ARM Linux admin
2020-11-20 10:59 ` Tobias Waldekranz
2020-11-20 10:59 ` Tobias Waldekranz
2020-11-20 13:55 ` Andrew Lunn
2020-11-20 13:55 ` Andrew Lunn
2020-11-20 14:18 ` Maxime Chevallier
2020-11-20 14:18 ` Maxime Chevallier
2020-11-20 0:00 ` Andrew Lunn
2020-11-20 0:00 ` Andrew Lunn
2020-11-20 9:05 ` Tobias Waldekranz [this message]
2020-11-20 9:05 ` Tobias Waldekranz
2020-11-19 15:16 ` Andrew Lunn
2020-11-19 15:16 ` Andrew Lunn
2020-11-19 15:45 ` Maxime Chevallier
2020-11-19 15:45 ` Maxime Chevallier
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