On 05.03.2019 04:07, S-k, Shyam-sundar wrote: > Hi Heiner, > > On 3/5/2019 2:18 AM, Heiner Kallweit wrote: >> On 04.03.2019 15:48, S-k, Shyam-sundar wrote: >>> Hi Heiner, >>> >>> We noticed that, the recent changes for CL45 in net-next tree causing >>> regression on AMD platforms. The following is the commit: >>> >>> 3ce2a02 net: phy: marvell10g: check for newly set aneg >>> >>> Now, I see that, this code is moved to phy-c45.c with newer commit >>> >>> 1af9f16 net: phy: add genphy_c45_check_and_restart_aneg >>> >>> With this change, the link never comes up. Can you please a re-look once >>> before it enters mainline? >>> >>> Thanks, >>> >>> Shyam >>> >> Hi Shyam, >> >> thanks for the report. However the description quite vague, therefore I'd >> appreciate the following details: >> >> - The mentioned patch affects Marvell 10G PHY's only. Could you please >> provide: >> - exact PHY model you're using > Yes, we have on-board Marvell 88X3310 chip, which works as external PHY for > AMD Ethernet controller. >> - interface mode you're using > RJ45. >> - link speed you expect and advertised speeds from both sides > Both advertised and link speeds are 1G SGMII >> >> - Some details regarding "AMD platform" would be helpful. What kind of board >> is it? >> >> - There's a known issue in genphy_c45_an_config_aneg(), however I'm not sure >> whether it could be related >> to your issue. Could you please test the following patch whether it fixes >> the issue for you? >> https://patchwork.ozlabs.org/patch/1051291/ > > Thank you very much! This patch fixes the problem. > Great, thanks for the feedback. Patch has been applied to net-next few hours ago.
> -Shyam > > Heiner