[PATCH 0/2] ath10k: WCN3990 firmware workarounds for WLAN.HL.3.2

[Loic Poulain]

Hi Jeff, Malte.

On Sun, Mar 22, 2026 at 2:49 PM Malte Schababerle
<m.schababerle at gmail.com> wrote:
>
> Two firmware workarounds for WCN3990 (QCA6174 integrated variant on
> Qualcomm SM8150/SDM845 platforms) running WLAN.HL.3.2 firmware.
>
> Both issues are firmware bugs where WCN3990 advertises capabilities it
> cannot handle correctly. Tested on OnePlus 7T (SM8150) with
> WLAN.HL.3.2.0.c2-00006 and WLAN.HL.3.2.0.c2-00011.
>
> Patch 1 fixes a deterministic firmware crash caused by the quiet mode
> WMI command. The existing guard from commit 53884577fbcef relied on
> THERM_THROT not being advertised, but HL3.2 now advertises it despite
> still crashing on the command.
>
> Patch 2 works around a bug where active scan does not tune the radio
> on 5GHz non-DFS channels, making 5GHz networks invisible. Forcing
> passive scan mode restores 5GHz discovery.
>
> Malte Schababerle (2):
>   ath10k: skip quiet mode for WCN3990 to prevent firmware crash
>   ath10k: force passive scan on 5GHz for WCN3990

Jeff, is this something that could be addressed or worked around
through the firmware or NV configuration? Applying this workaround to
all WCN3990 devices feels a bit excessive if the issue is limited to
specific variants.

Regards,
Loic