Messages in this thread | | | Date | Wed, 16 Dec 2020 18:22:36 -0800 | From | Richard Cochran <> | Subject | Re: [PATCH 1/2] net: stmmac: retain PTP-clock at hwtstamp_set |
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On Wed, Dec 16, 2020 at 05:13:34PM -0800, Jakub Kicinski wrote: > On Wed, 16 Dec 2020 12:32:38 +0100 Holger Assmann wrote: > > As it is, valid SIOCSHWTSTAMP ioctl calls - i.e. enable/disable time > > stamping or changing filter settings - lead to synchronization of the > > NIC's hardware clock with CLOCK_REALTIME. This might be necessary > > during system initialization, but at runtime, when the PTP clock has > > already been synchronized to a grand master, a reset of the timestamp > > settings might result in a clock jump.
+1 for keeping the PHC time continuous.
> Please remember to CC Richard, the PTP maintainer.
+1 to that, too!
Thanks, Richard
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