linux-kernel - Re: [REGRESSION] MT7915E doesn't work any more with v6.9

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Date: Wed, 15 May 2024 09:15:12 +0200
From: Oleksandr Natalenko <oleksandr@...alenko.name>
To: linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
 "Linux regression tracking (Thorsten Leemhuis)" <regressions@...mhuis.info>,
 Johannes Berg <johannes@...solutions.net>
Cc: linux-mediatek@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 Felix Fietkau <nbd@....name>, Lorenzo Bianconi <lorenzo@...nel.org>,
 Ryder Lee <ryder.lee@...iatek.com>, Shayne Chen <shayne.chen@...iatek.com>,
 Sean Wang <sean.wang@...iatek.com>, Kalle Valo <kvalo@...nel.org>,
 Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Peter Chiu <chui-hao.chiu@...iatek.com>,
 StanleyYP Wang <StanleyYP.Wang@...iatek.com>,
 Linux regressions mailing list <regressions@...ts.linux.dev>
Subject: Re: [REGRESSION] MT7915E doesn't work any more with v6.9

Hello Johannes.

On středa 15. května 2024 8:23:35, SELČ Johannes Berg wrote:
> On Wed, 2024-05-15 at 00:51 +0200, Oleksandr Natalenko wrote:
> > Also /cc Johannes because of this commit:
> > 
> > 6092077ad09ce wifi: mac80211: introduce 'channel request'
> > 
> > On středa 15. května 2024 0:43:40, SELČ Oleksandr Natalenko wrote:
> > > Hello Felix, Lorenzo et al.
> > > 
> > > With v6.9 kernel the following card:
> > > 
> > > 01:00.0 Unclassified device [0002]: MEDIATEK Corp. MT7915E 802.11ax PCI Express Wireless Network Adapter [14c3:7915]
> > > 
> > > doesn't work any more. Upon mt7915e module insertion the following splat happens:
> > > 
> 
> 6.9 didn't get commit 2f7cf3b61d85 ("wifi: mt76: mt7915: add missing
> chanctx ops")? Huh?

Yes, you are right, this commit is not present in v6.9, and I can find it in the "next" branch only.

I can also confirm this commit fixes the regression for me.

Thank you.

> johannes
> 


-- 
Oleksandr Natalenko (post-factum)
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