[REGRESSION][BISECTED] wireless networking broken on Pinephone Pro

[Heiko Stübner]

Am Mittwoch, 10. Juni 2026, 11:28:03 Mitteleuropäische Sommerzeit schrieb Thorsten Leemhuis:
> On 6/8/26 00:59, Oren Klopfer wrote:
> > Apologies if this is not formatted properly, this is my first
> > submission to the kernel mailing list. WiFi specifications were
> > introduced into the Pinephone Pro device tree in
> > 096bd8c679185f898cae9933c6a68650fa26ea4f, but this causes complete
> > networking failure on some devices. The regression affects all
> > versions v6.18-rc1..v7.1-rc6.
> > 
> > An identical issue was reported for the Pinebook Pro at https://
> > lore.kernel.org/all/aUKOlj-RvTYlrpiS at rock.grzadka/; the regression
> > was reverted in 29d1f56c4f3001b7f547123e0a307c009ac717f8. The errors
> > faced on the Pinephone Pro are exactly the same as were reported for
> > the Pinebook Pro regression.
> > 
> > A previous patch at https://lore.kernel.org/all/20260112-
> > ppp_connectivity-v1-3-284d6e83b212 at gmail.com/ attempted to resolve
> > this issue but never ended up being merged.
> > 
> > 096bd8c679185f898cae9933c6a68650fa26ea4f is the first bad commit
> > commit 096bd8c679185f898cae9933c6a68650fa26ea4f
> > Author: Peter Robinson <pbrobinson at gmail.com>
> > Date:   Fri Aug 29 12:38:24 2025 +0100
> > 
> >     arm64: dts: rockchip: Further describe the WiFi for the Pinephone Pro
> > [...]
> > 
> > Reverting the commit allows wireless connection to function again. I
> > am not really familiar with the process of submitting a revert
> > patch, but I'd request that this be done on all of 6.18 (LTS), 7.0
> > (Stable), 7.1 (Mainline). Thanks!
> Thx for the report. Sounds like a revert is the right course of action
> here. Could you submit one with a stable tag to ensure backporting? That
> might be the fastest way to resolve this, as that makes it easy to
> process for the maintainers to process this.

Was confused for like 5 minutes because "didn't we do that just recently",
until realizing, that it's the Pinephone this time, not the Pinebook.

So we'd need a similar one to
https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/commit/?h=for-next&id=29d1f56c4f3001b7f547123e0a307c009ac717f8


Heiko