On Mon, 16 Oct 2023 16:50:01 -0700 Richard Cochran <richardcochran@xxxxxxxxx> wrote: > On Mon, Oct 16, 2023 at 12:41:34PM +0200, Köry Maincent wrote: > > > Still I am wondering why hardware timestamping capabilities can be enabled > > without phc. > > There is hardware that simply provides time values on frames from a > free running clock, and that clock cannot be read, set, or adjusted. > > So the time stamps only relate to other time stamps from the same > device. That might be used for performance analysis. Ok, thanks you for the information. Köry