On Thu, Oct 22, 2020 at 02:32:43PM +0300, Vladimir Oltean wrote:

On Thu, Oct 22, 2020 at 01:11:40PM +0200, Christian Eggers wrote:

quoted

it seems that "moving" the timestamp back to the tail tag on TX is not
required anymore. Keeping the RX timestamp simply in the correction
field (negative value), works fine now. So this halves the effort in
the tag_ksz driver.

Ok, this makes sense.
Depending on what Richard responds, it now looks like the cleanest
approach would be to move your implementation that is currently in
ksz9477_update_ptp_correction_field() into a generic function called

+1