Hi Russell,
On Mon, Sep 25, 2017 at 11:55:14AM +0200, Antoine Tenart wrote:
> On Fri, Sep 22, 2017 at 12:07:31PM +0100, Russell King - ARM Linux wrote:
> > On Thu, Sep 21, 2017 at 03:45:22PM +0200, Antoine Tenart wrote:
>
> > > +static int mvpp2_phylink_mac_link_state(struct net_device *dev,
> > > + struct phylink_link_state *state)
> > > +{
> > > + struct mvpp2_port *port = netdev_priv(dev);
> > > + u32 val;
> > > +
> > > + if (!phy_interface_mode_is_rgmii(port->phy_interface) &&
> > > + port->phy_interface != PHY_INTERFACE_MODE_SGMII)
> > > + return 0;
> >
> > You're blocking this for 1000base-X and 10G connections, which is not
> > correct. The expectation is that this function returns the current
> > MAC state irrespective of the interface mode.
>
> I moved what was already supported in the PPv2 driver and did not
> implemented the full set of what is supported. It's not perfect, but it
> does move what was already supported.
>
> Any reason not to first move what's already supported to phylink, and
> then add more supported modes in separate patches?
Any thoughts on this?
> > > +static void mvpp2_mac_config(struct net_device *dev, unsigned int mode,
> > > + const struct phylink_link_state *state)
> > > +{
> > > + struct mvpp2_port *port = netdev_priv(dev);
> > > + u32 val;
> > > +
> > > + /* disable current port for reconfiguration */
> > > + mvpp2_interrupts_disable(port);
> > > + netif_carrier_off(port->dev);
> > > + mvpp2_port_disable(port);
> > > + phy_power_off(port->comphy);
> > > +
> > > + /* comphy reconfiguration */
> > > + port->phy_interface = state->interface;
> > > + mvpp22_comphy_init(port);
> > > +
> > > + /* gop/mac reconfiguration */
> > > + mvpp22_gop_init(port);
> > > + mvpp2_port_mii_set(port);
> > > +
> > > + if (!phy_interface_mode_is_rgmii(port->phy_interface) &&
> > > + port->phy_interface != PHY_INTERFACE_MODE_SGMII)
> > > + return;
> >
> > Again, 1000base-X is excluded, which will break it. You do need
> > to avoid touching the GMAC for 10G connections however.
>
> Same comment as above.
Antoine
--
Antoine Ténart, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
