Re: [PATCH net-next v3 2/5] net: stmmac: introduce pcs_init/pcs_exit stmmac operations

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On Wed, Apr 17, 2024 at 11:30:09AM +0200, Romain Gantois wrote:
> Hi Serge,
> 
> On Tue, 16 Apr 2024, Serge Semin wrote:
> 
> > I am currently working on my Memory-mapped DW XPCS patchset cooking:
> > https://lore.kernel.org/netdev/20231205103559.9605-1-fancer.lancer@xxxxxxxxx/
> > The changes in this series seems to intersect to what is/will be
> > introduced in my patchset. In particular as before I am going to
> > use the "pcs-handle" property for getting the XPCS node. If so what
> > about collecting PCS-related things in a single place. Like this:
> > 
> > int stmmac_xpcs_setup(struct net_device *ndev)
> > {
> > 	...
> > 
> > 	if (priv->plat->pcs_init) {
> > 		return priv->plat->pcs_init(priv); /* Romain' part */
> >	} else if (fwnode_property_present(priv->plat->port_node, "pcs-handle")) {
> > 		/* My DW XPCS part */
> > 	} else if (priv->plat->mdio_bus_data && priv->plat->mdio_bus_data->has_xpcs) {
> > 		/* Currently implemented procedure */
> > 	}
> > 
> > 	...
> > }
> 
> That seems like a good idea to me, although those setup functions would have to 
> be renamed to stmmac_pcs_setup/exit.

Why not, seeing they will be responsible for any PCS attached to the
MAC.

-Serge(y)

> 
> Thanks,
> 
> -- 
> Romain Gantois, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com




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