On Mon, Aug 28, 2017 at 08:39:44AM +0000, Sørensen, Stefan wrote: > I have run into a problem with packet timestamping on a platform (cpsw > + dp83640) where both the PHY and the MAC is PTP capable and I need > the PHY to perform the timestamping. In the current code, > SIOCGHWTSTAMP is passed to the MAC driver and only if it does not > support PTP itself will it pass it on to the PHY driver. > > I see two ways to fix this:
Just disable CONFIG_CPTS and patch cpsw.c to pass SIOC[GS]HWTSTAMP. I don't see any reasonable way to make this sort of thing configurable at run time. Thanks, Richard