netdev - Re: [PATCH net-next 4/8] net: phylink: update supported

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Date:   Thu, 18 Nov 2021 17:33:33 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Marek Behún <kabel@...nel.org>,
        netdev@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>,
        David Miller <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: Re: [PATCH net-next 4/8] net: phylink: update supported_interfaces
 with modes from fwnode

> > +	/* If supported is empty, just copy modes defined in fwnode. */
> > +	if (phy_interface_empty(supported))
> > +		return phy_interface_copy(supported, modes);
> 
> Doesn't this mean we always end up with the supported_interfaces field
> filled in, even for drivers that haven't yet been converted? It will
> have the effect of locking the driver to the interface mode in "modes"
> where only one interface mode is mentioned in DT.
> 
> At the moment, I think the only drivers that would be affected would be
> some DSA drivers, stmmac and macb as they haven't yet been converted.

Hi Russell

What do you think the best way forward is? Got those converted before
merging this?

	Andrew