From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Russell King <linux@armlinux.org.uk>, Dan Murphy <dmurphy@ti.com>,
kernel@pengutronix.de, David Jander <david@protonic.nl>,
Jakub Kicinski <kuba@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Heiner Kallweit <hkallweit1@gmail.com>
Subject: Re: [PATCH net-next v1 1/1] net: phy: dp83td510: Add basic support for the DP83TD510 Ethernet PHY
Date: Tue, 27 Jul 2021 08:51:51 +0200 [thread overview]
Message-ID: <20210727065151.l6qm36onaljol4sq@pengutronix.de> (raw)
In-Reply-To: <YP63NBaurhQ2Itse@lunn.ch>
On Mon, Jul 26, 2021 at 03:23:00PM +0200, Andrew Lunn wrote:
> > With current driver ethtool with show this information:
> > Settings for eth1:
> > Supported ports: [ TP MII ]
> > Supported link modes: Not reported
>
> Interesting. The default function for getting the PHYs abilities is
> doing better than i expected. I was guessing you would see 10BaseT
> here.
>
> Given that, what you have is O.K. for the moment.
>
> > > I suspect you are talking about the PoE aspects. That is outside the
> > > scope for phylib. PoE in general is not really supported in the Linux
> > > kernel, and probably needs a subsystem of its own.
> >
> > No, no. I'm talking about data signals configuration (2.4Vpp/1Vpp), which
> > depends on application and cable length. 1Vpp should not be used with
> > cable over 200 meter
>
> Should not be used, or is not expected to work very well?
ack, it will not work very well :)
> > and 2.4Vpp should not be used on safety critical applications.
>
> Please work with the other T1L driver writer to propose a suitable way
> to configure this. We want all T1L drivers to use the same
> configuration method, DT properties etc.
ack.
After getting 802.3cg-2019 i give NACK to my patch. At least part
of all needed functionality can be implemented as common code.
Regards,
Oleksij
--
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next prev parent reply other threads:[~2021-07-27 6:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-23 10:42 Oleksij Rempel
2021-07-23 13:22 ` Andrew Lunn
2021-07-23 17:08 ` Oleksij Rempel
2021-07-23 18:12 ` Andrew Lunn
2021-07-26 12:18 ` Oleksij Rempel
2021-07-26 13:23 ` Andrew Lunn
2021-07-27 6:51 ` Oleksij Rempel [this message]
2021-07-24 0:56 ` kernel test robot
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