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

From: Oleksandr Natalenko <oleksandr@natalenko.name>
To: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
	"Linux regression tracking (Thorsten Leemhuis)"
	<regressions@leemhuis.info>,
	Johannes Berg <johannes@sipsolutions.net>
Cc: linux-mediatek@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	Felix Fietkau <nbd@nbd.name>,
	Lorenzo Bianconi <lorenzo@kernel.org>,
	Ryder Lee <ryder.lee@mediatek.com>,
	Shayne Chen <shayne.chen@mediatek.com>,
	Sean Wang <sean.wang@mediatek.com>, Kalle Valo <kvalo@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Peter Chiu <chui-hao.chiu@mediatek.com>,
	StanleyYP Wang <StanleyYP.Wang@mediatek.com>,
	Linux regressions mailing list <regressions@lists.linux.dev>
Subject: Re: [REGRESSION] MT7915E doesn't work any more with v6.9
Date: Wed, 15 May 2024 09:15:12 +0200	[thread overview]
Message-ID: <2200096.irdbgypaU6@natalenko.name> (raw)
In-Reply-To: <60fe8df750a74331b8a54a76d55d5e8349ac46b4.camel@sipsolutions.net>

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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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