On Wed, Aug 11, 2021 at 09:14:14PM +0100, Russell King (Oracle) wrote: > On Wed, Aug 11, 2021 at 08:23:04PM +0200, Andrew Lunn wrote: > > > I hope that using "*-internal-delay-ps" for Mac would be the right option. > > > Shall i include these changes as we discussed in next revision of the patch? > > > > Yes, that seems sensible. But please limit them to the CPU port. Maybe > > return -EINVAL for other ports. > > Hmm. Don't we want ports that are "MAC like" to behave "MAC like" ? > In other words, shouldn't a DSA port that can be connected to an > external PHY should accept the same properties as a conventional > Ethernet MAC e.g. in a SoC device? +1, I thought the whole purpose of the discussion was to stop singling out the CPU port as being special in any way w.r.t. RGMII delays.
