On Fri, Apr 01, 2022 at 02:57:46PM +0200, Andrew Lunn wrote: > On Fri, Apr 01, 2022 at 01:05:19PM +0200, Horatiu Vultur wrote: > > Remove the latencies support both from the PHY driver and from the DT. > > The IP already has some default latencies values which can be used to get > > decent results. It has the following values(defined in ns): > > rx-1000mbit: 429 > > tx-1000mbit: 201 > > rx-100mbit: 2346 > > tx-100mbit: 705 > > So one alternative option here is that ptp4l looks at > > /sys/class/net/<ifname>/phydev/phy_id That doesn't work for Clause 45 PHYs, only Clause 22 PHYs. If we want userspace to know which PHY it is, we need a proper interface that exports all the 31 Clause 45 IDs (each mmd's registers 2/3) as well, as well as the Clause 45 package ID (registers 14/15). -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
