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

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Message-ID: <87v83fcy6s.fsf@kernel.org>
Date: Wed, 15 May 2024 10:48:59 +0300
From: Kalle Valo <kvalo@...nel.org>
To: Oleksandr Natalenko <oleksandr@...alenko.name>
Cc: linux-kernel@...r.kernel.org,  linux-wireless@...r.kernel.org,  "Linux
 regression tracking (Thorsten Leemhuis)" <regressions@...mhuis.info>,
  Johannes Berg <johannes@...solutions.net>,
  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>,  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

Oleksandr Natalenko <oleksandr@...alenko.name> writes:

> 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.

Thanks for testing.

#regzbot fix: 2f7cf3b61d85

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