linux-kernel - Re: [PATCH net-next v4 11/12] microchip: lan865x: add driver support for Microchip's LAN865X MAC-PHY

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Message-ID: <Zi7HCBmpznyQbE_u@builder>
Date: Mon, 29 Apr 2024 00:00:40 +0200
From: Ramón Nordin Rodriguez <ramon.nordin.rodriguez@...roamp.se>
To: Andrew Lunn <andrew@...n.ch>
Cc: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, horms@...nel.org, saeedm@...dia.com,
	anthony.l.nguyen@...el.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, corbet@....net,
	linux-doc@...r.kernel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	devicetree@...r.kernel.org, horatiu.vultur@...rochip.com,
	ruanjinjie@...wei.com, steen.hegelund@...rochip.com,
	vladimir.oltean@....com, UNGLinuxDriver@...rochip.com,
	Thorsten.Kummermehr@...rochip.com, Pier.Beruto@...emi.com,
	Selvamani.Rajagopal@...emi.com, Nicolas.Ferre@...rochip.com,
	benjamin.bigler@...nformulastudent.ch
Subject: Re: [PATCH net-next v4 11/12] microchip: lan865x: add driver support
 for Microchip's LAN865X MAC-PHY

On Sun, Apr 28, 2024 at 04:25:28PM +0200, Andrew Lunn wrote:
> > I agree with your assesment, the phy won't reset itself, but maybe we
> > could add some comment doc about not adding it for the lan8670,
> > so no one trips over that in the future.
> 
> In the PHY driver, you can provide your own .soft_reset handler. It
> could return -EOPNOTSUPP, or -EINVAL. Maybe check the data sheets for
> the standalone devices supported by the driver. Can you limit this to
> just the TC6 PHY?
> 

Gotcha, I think that should be pretty easy to handle then. The
microchip_t1s.c module handles two phy families 
* lan865x - baked in
* lan867x - standalone 

I need to do some thinking and get a bit more oriented. But pretty sure
there is a simple path for this.

R