On Fri, Sep 21, 2018 at 10:17:35AM +0200, Simon Horman wrote: > On Thu, Sep 20, 2018 at 02:51:06PM +0200, Andrew Lunn wrote: > > > eth0: no link > > > registers for MII PHY 0: > > > 1140 7949 0022 1622 0981 c1e1 000d 0000 > > > > Hi Simon > > > > The ID registers 0022 1622 indicate this is a Micrel KSZ9031. > > Are you using the micrel PHY driver? > > > Yes, when the Link is successfully negotiated I see: > > Micrel KSZ9031 Gigabit PHY e6800000.ethernet-ffffffff:00: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=e6800000.ethernet-ffffffff:00, irq=204) > > > > I note a difference in the 3rd line of hex output: 7002 vs 6002 > > > but I am unsure if that is relevant. > > > > Register 20, or 0x14. The datasheet says "Reserved" and there is no > > description given :-( > > > > I will decode the other registers and see if i can find anything. > > Thanks, very much appreciated. > > I believe your patch to disable Asym_Pause solves the immediate > problem I have observed. Andrew, how would you like to resolve this? Let me know how I can help.
