ath12k firmware regression with update 82318c966fd1

[Kalle Valo]

Takashi Iwai <tiwai at suse.de> writes:

> it seems that the recent update of ath12k WCN7850 board-2.bin update
> broke WiFi on Lenovo Thinkpad 14 Gen 5 AMD.  Reverting to the older
> firmware seems fixing the issue.

Just to clarify, reverting to an older board-2.bin seems to fix the
issue. (Board files are basically calibration data)

> The report for openSUSE Tumbleweed is found at
>   https://bugzilla.suse.com/show_bug.cgi?id=1230596
> and for Arch
>   https://bbs.archlinux.org/viewtopic.php?id=299286

For easier tracking can someone file a bug to bugzilla.kernel.org? Also
please include more information:

https://wireless.wiki.kernel.org/en/users/drivers/ath12k/bugreport

> Let me know if it's already handled in Qualcomm and the fix is
> expected shortly.  Otherwise I'll try to revert the change locally for
> TW as a temporary solution.

This is the first time I'm hearing about this and to my knowledge there
is not fix pending.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches