RE: [PATCH net-next] net: fec: Add support for periodic output signal of PPS

[Wei Fang]

> -----Original Message-----
> From: Jakub Kicinski <kuba@xxxxxxxxxx>
> Sent: 2022年10月20日 10:13
> To: Wei Fang <wei.fang@xxxxxxx>
> Cc: davem@xxxxxxxxxxxxx; edumazet@xxxxxxxxxx; pabeni@xxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Frank Li
> <frank.li@xxxxxxx>
> Subject: Re: [PATCH net-next] net: fec: Add support for periodic output signal
> of PPS
> 
> On Wed, 19 Oct 2022 13:08:08 +0800 wei.fang@xxxxxxx wrote:
> > From: Wei Fang <wei.fang@xxxxxxx>
> >
> > This patch adds the support for configuring periodic output signal of
> > PPS. So the PPS can be output at a specified time and period.
> > For developers or testers, they can use the command "echo <channel>
> > <start.sec> <start.nsec> <period.sec> <period.
> > nsec> > /sys/class/ptp/ptp0/period" to specify time and
> > period to output PPS signal.
> > Notice that, the channel can only be set to 0. In addtion, the start
> > time must larger than the current PTP clock time.
> > So users can use the command "phc_ctl /dev/ptp0 -- get" to get the
> > current PTP clock time before.
> 
> You need to CC Richard C the PTP maintainer on PTP-related patches, please
> repost.

Okay, thanks!