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From:
Mark Kettenis <mark.kettenis@xs4all.nl>
Subject:
Re: sys/qwz: initialize on Snapdragon but fails on scan
To:
Kirill A. Korinsky <kirill@korins.ky>
Cc:
tech@openbsd.org
Date:
Sun, 29 Mar 2026 22:20:51 +0200

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> Date: Sun, 29 Mar 2026 21:23:36 +0200
> From: Kirill A. Korinsky <kirill@korins.ky>
> 
> tech@,
> 
> I'd like to share some work which I pocking around with attempt to move
> forward with qwz driver.
> 
> I've attached 3 diffs where:
> 
> 1. fixed a copy and typo in DTS for my Honor machine;
> 2. updated qwz firmware to the last version;
> 3. a bit of work in qwz.
> 
> Right now, after boot qwz reads like this:
> 
> qwz0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>         lladdr 3c:0a:f3:d3:55:c5
>         index 1 priority 4 llprio 3
>         groups: wlan
>         media: IEEE802.11 autoselect
>         status: no network
>         ieee80211: nwid ""
> 
> and attempt to up an interface leads to firmware crash.
> 
> Scope of qwz work:
> 1. Fixed a crash on my machine which was suggested as:
> https://marc.info/?l=openbsd-tech&m=177410294328488&w=2
> 2. Implemented world reg domain like ath12k
> 3. Fully filled flags and follow ath12k logic with peer-metadata
> 4. Increased RDDM size and synced timeouts with ath12k
> 
> This work was like read how ath12k works, and figure out what we do the
> wrong way. Right now qwz works more or less the same way, and I run out of
> ideas why it crashing. Any suggestion and ideas are welcome.
> 
> Also, I'd like to commit all three diffs, because it safe and qwz is
> disabled anyway. Anyone willing to OK it?

The two ports diffs are ok kettenis@ (but try to get an ok from ports
person as well for the ports mechanics).

I'll try to have a look at the other diff soon.

> [2:text/plain Show Save:qwz.wrk.diff (13kB)]
> 
> 
> [3:text/plain Show Save:qwz-firmware.diff (1kB)]
> 
> 
> [4:text/plain Show Save:arm64-qcom-dtb.diff (2kB)]
>