Subject: RE: [PATCH v3 3/4] arm64: dts: fsd: Add Ethernet support for FSYS0 Block of FSD SoC

From: "Swathi K S" <[email-masked]>
Date: Mon, 29 Jul 2024 14:19:29 +0530

> -----Original Message-----
> From: Andrew Lunn <[email-masked]>
> Sent: 06 June 2024 18:53
> To: Swathi K S <[email-masked]>
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> [email-masked]; 'Jayati Sahu' <[email-masked]>;
Siddharth
> Vadapalli <[email-masked]>
> Subject: Re: [PATCH v3 3/4] arm64: dts: fsd: Add Ethernet support for
FSYS0
> Block of FSD SoC
> 
> > > > +&ethernet_0 {
> > > > +	status = "okay";
> > > > +
> > > > +	fixed-link {
> > > > +		speed = <1000>;
> > > > +		full-duplex;
> > > > +	};
> > > > +};
> > >
> > > A fixed link on its own is pretty unusual. Normally it is combined
> > > with an Ethernet switch. What is the link peer here?
> >
> > It is a direct connection to the Ethernet switch managed by an
> > external management unit.
> 
> Ah, interesting. This is the third example of this in about a month. Take
a look at
> the Realtek and TI work in this area.
> 
> So, i will ask the same questions i put to Realtek and TI. Does Linux know
about
> the switch in any way? Can it manage the switch, other than SNMP, HTTP
from
> user space? Does it know about the state of the ports, etc?
> 
> If you say this is just a colocated management switch, which Linux is not
> managing in any way, that is O.K. If you have Linux involved in some way,
please
> join the discussion with TI about adding a new model for semi-autonomous
> switches.

Thanks for letting us know about the ongoing discussion.
But in this case, the switch is not managed by Linux.

>    Andrew

Thanks,
Swathi