lkml.org 
[lkml]   [2021]   [Jun]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH net-next v4 04/10] net: sparx5: add port module support
From
Date
Hi Russell,

Thanks for your comment.


On Mon, 2021-06-21 at 15:33 +0100, Russell King (Oracle) wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> Hi,
>
> On Tue, Jun 15, 2021 at 10:50:28AM +0200, Steen Hegelund wrote:
> > +static int sparx5_port_pcs_low_set(struct sparx5 *sparx5,
> > +                                struct sparx5_port *port,
> > +                                struct sparx5_port_config *conf)
> > +{
> > +     bool sgmii = false, inband_aneg = false;
> > +     int err;
> > +
> > +     if (!port->conf.has_sfp) {
> > +             sgmii = true; /* Phy is connnected to the MAC */
> > +     } else {
> > +             if (conf->portmode == PHY_INTERFACE_MODE_SGMII ||
> > +                 conf->portmode == PHY_INTERFACE_MODE_QSGMII)
> > +                     inband_aneg = true; /* Cisco-SGMII in-band-aneg */
> > +             else if (conf->portmode == PHY_INTERFACE_MODE_1000BASEX &&
> > +                      conf->autoneg)
> > +                     inband_aneg = true; /* Clause-37 in-band-aneg */
>
> I have to wonder why the presence of inband aneg depends on whether
> there's a SFP or not... We don't do that kind of thing in other
> drivers, so what is different here?

Hmm.
I have changed the implementation to use phylink_autoneg_inband() instead of a preconfigured value.


>
> Thanks.
>
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

--
BR
Steen

-=-=-=-=-=-=-=-=-=-=-=-=-=-=
steen.hegelund@microchip.com



\
 
 \ /
  Last update: 2021-06-23 15:06    [W:0.051 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site