From: Andrew Lunn <and...@lunn.ch> Date: Thu, 15 Feb 2018 14:38:33 +0100
> PTP needs to retrieve the hardware timestamps from the switch device > in a low latency manor. However ethtool -S and bridge fdb show can > hold the switch register access mutex for a long time. These patches > changes the reading the statistics and the ATU so that the mutex is > released and taken again between each statistic or ATU entry. The PTP > code can then interleave its access to the hardware, keeping its > latency low. Series applied, thanks Andrew.
