Re: [PATCH net-next 3/7] net: lan966x: Add support for ptp clocks

From: Horatiu Vultur
Date: Fri Jan 28 2022 - 08:46:38 EST


The 01/27/2022 07:28, Richard Cochran wrote:
>
> On Thu, Jan 27, 2022 at 11:23:29AM +0100, Horatiu Vultur wrote:
>
> > +static int lan966x_ptp_phc_init(struct lan966x *lan966x,
> > + int index,
> > + struct ptp_clock_info *clock_info)
> > +{
> > + struct lan966x_phc *phc = &lan966x->phc[index];
> > +
> > + phc->info = *clock_info;
> > + phc->clock = ptp_clock_register(&phc->info, lan966x->dev);
> > + if (IS_ERR(phc->clock))
> > + return PTR_ERR(phc->clock);
> > +
> > + phc->index = index;
> > + phc->lan966x = lan966x;
> > +
> > + /* PTP Rx stamping is always enabled. */
> > + phc->hwtstamp_config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
>
> Not true -- you allow it to be disabled in the next patch!

Actually the other patch is wrong. The HW will timestamp all the frames.
I will update the other patch in the next version.

>
> Thanks,
> Richard
>
>
> > +
> > + return 0;
> > +}

--
/Horatiu