Re: [PATCH net-next] net: phy: qca83xx: read resolved QCA8337 link status

[Andrew Lunn]

> Separately, I have not yet reproduced on hardware the case this patch
> targets, a QCA8337-side SmartSpeed downshift where the old code reports
> the wrong speed; so far that difference is only shown by the model test.
> With a two-pair cable, the link partner advertised gigabit and then
> withdrew it, and the link came up at 100 Mb/s without the QCA8337
> downshift status set.
> 
> If you know of a link partner or setup that reliably makes the QCA8337
> side downshift, I would be glad to test with it.

Sorry, i've never used this hardware.

One thing you can try is to set the link partner to only advertise 1G,
not the lower speeds. I've no idea what it will do then, but you might
get into the situation you are interested in.

    Andrew