WCN7850 disconnects and reconnects in a loop

[Gregoire]

I'm adding this because I saw it here: 
https://bbs.archlinux.org/viewtopic.php?pid=2144901#p2144901

I've been lucky, it's the only one I've changed and now it works 
perfectly well. I have another problem but it's not related, I think. 
that when I upload very fast (at 100mb/s, for 30 seconds) then the whole 
ath12k driver crashes and I have to reboot my system.

I will make another thread for this, or is there already an existing thread?

Thanks