Re: [PATCH net-next 2/6] net: dsa: motorcomm: Rely on port isolation for CPU port

[David Yang]

On Wed, Nov 4, 2026 at 11:59 AM Andrew Lunn <andrew@xxxxxxx> wrote:
>
> > -     ctrl = ~priv->cpu_ports_mask;
> > -     res = yt921x_reg_write(priv, YT921X_PORTn_ISOLATION(port), ctrl);
> > -     if (res)
> > -             return res;
> > +     if (!(BIT(port) & priv->cpu_ports_mask)) {
>
>         if (!dsa_is_cpu_port(ds, port) ?
>

The next line is ctrl = ~priv->cpu_ports_mask, but could change both
if you prefer.