On Thu, Mar 23, 2023 at 07:17:27PM +0100, Andrew Lunn wrote:
> > So, given that this is only supposed to be used for mv88e6xxx because
> > of it's legacy, maybe the check in dsa_port_phylink_create() should
> > be:
> >
> > fwnode = of_fwnode_handle(dp->dn);
> > if (fwnode && ds->ops->port_get_fwnode) {
> >
> > In other words, we only allow the replacement of the firmware
> > description if one already existed.
>
> That sounds reasonable.
>
> > Alternatively, we could use:
> >
> > if (!dsa_port_is_user(dp) && ds->ops->port_get_fwnode) {
> >
> > since mv88e6xxx today only does this "max speed" thing for CPU and
> > DSA ports, and thus we only need to replace the firmware description
> > for these ports - and we can document that port_get_fwnode is only
> > for CPU and DSA ports.
>
> Also reasonable.
>
> The first seems better for the Non-DT, where as the second makes it
> clear it is supposed to be for CPU and DSA ports only.
>
> Is it over the top to combine them?
To be clear, you're suggesting:
if (!dsa_port_is_user(dp) && fwnode && ds->ops->port_get_fwnode) {
?
If so, yes - you know better than I how these bits are supposed to work.
Thanks.
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