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

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Date: Mon, 27 May 2024 20:29:07 +0200
From: Greg KH <gregkh@...uxfoundation.org>
To: Kalle Valo <kvalo@...nel.org>
Cc: Johannes Berg <johannes@...solutions.net>,
	Oleksandr Natalenko <oleksandr@...alenko.name>,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	"Linux regression tracking (Thorsten Leemhuis)" <regressions@...mhuis.info>,
	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

On Sat, May 25, 2024 at 09:26:01AM +0300, Kalle Valo wrote:
> Johannes Berg <johannes@...solutions.net> writes:
> 
> > 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?
> 
> Yeah, commit 2f7cf3b61d85 should have been taken to wireless tree but it
> fell through the cracks. I didn't realise that it's an important bugfix
> and the commit message didn't give any indication of that either.
> 
> But commit 2f7cf3b61d85 is now in Linus' tree so it would be good if
> someone could submit it to stable releases.

It's already in 6.9.1, does it need to go anywhere else?

thanks,

greg k-h