Re: [PATCH net-next v2] net: dsa: mv88e6xxx: extend PTP gettime function to read system clock

[Richard Cochran]

On Mon, Aug 05, 2019 at 07:12:40PM +0200, Hubert Feurstein wrote:
> It got improved, but you still have the unpredictable latencies caused by the
> mdio_done-completion (=> wait_for_completion_timeout) in imx_fec.

Yes, that is the important point.

Please take a look at other mmi_bus.write() implementations and see if
you can place the timestamps into the mii_bus layer.

Thanks,
Richard