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

From: Greg KH <gregkh@linuxfoundation.org>
To: Linux regressions mailing list <regressions@lists.linux.dev>
Cc: Oleksandr Natalenko <oleksandr@natalenko.name>,
	linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
	Johannes Berg <johannes@sipsolutions.net>,
	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>
Subject: Re: [REGRESSION] MT7915E doesn't work any more with v6.9
Date: Wed, 15 May 2024 09:56:09 +0200	[thread overview]
Message-ID: <2024051552-subatomic-roundup-fccf@gregkh> (raw)
In-Reply-To: <a603a67b-6703-4f63-93ee-98a05c605d02@leemhuis.info>

On Wed, May 15, 2024 at 09:40:40AM +0200, Linux regression tracking (Thorsten Leemhuis) wrote:
> On 15.05.24 09:15, Oleksandr Natalenko wrote:
> > 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?
> 
> FWIW, seems there was and earlier report about this that I missed:
> https://lore.kernel.org/all/CAAMvbhGHe4PM5M=JJZRQ2m5_aVZ=4DPG76MT+q5qi3HA+7_wzQ@mail.gmail.com/
> 
> > 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.
> 
> So all we need to resolve this is to ask Greg to pick up the patch for
> the next 6.9.y. release? Then I'll take care of that in a few hours,
> unless somebody else does it first or I get some kind of "might be a bad
> idea for now" signal from anyone.

Now picked up for 6.9.y.

greg k-h