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From:   "Limonciello, Mario" <Mario.Limonciello@amd.com>
To:     Thorsten Leemhuis <regressions@leemhuis.info>
CC:     firew4lker <firew4lker@gmail.com>,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Andy Shevchenko <andy.shevchenko@gmail.com>,
        Shreeya Patel <shreeya.patel@collabora.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        "Natikar, Basavaraj" <Basavaraj.Natikar@amd.com>,
        "Gong, Richard" <Richard.Gong@amd.com>,
        "stable@vger.kernel.org" <stable@vger.kernel.org>,
        Greg KH <gregkh@linuxfoundation.org>,
        "regressions@lists.linux.dev" <regressions@lists.linux.dev>,
        Linus Walleij <linus.walleij@linaro.org>
Subject: RE: [PATCH] gpio: Request interrupts after IRQ is initialized
Thread-Topic: [PATCH] gpio: Request interrupts after IRQ is initialized
Thread-Index: AQHYT6tiDiONtoBF+k2+wW5PsRbBBqz0DMIAgAEPJoCAArcEAIACwXMAgAFSiQCAAAxzgA==
Date:   Fri, 22 Apr 2022 13:15:20 +0000
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References: <20220414025705.598-1-mario.limonciello@amd.com>
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[Public]

> -----Original Message-----
> From: Thorsten Leemhuis <regressions@leemhuis.info>
> Sent: Friday, April 22, 2022 07:19
> To: Limonciello, Mario <Mario.Limonciello@amd.com>
> Cc: firew4lker <firew4lker@gmail.com>; Bartosz Golaszewski
> <brgl@bgdev.pl>; Andy Shevchenko <andy.shevchenko@gmail.com>;
> Shreeya Patel <shreeya.patel@collabora.com>; open list:GPIO SUBSYSTEM
> <linux-gpio@vger.kernel.org>; open list <linux-kernel@vger.kernel.org>;
> Natikar, Basavaraj <Basavaraj.Natikar@amd.com>; Gong, Richard
> <Richard.Gong@amd.com>; stable@vger.kernel.org; Greg KH
> <gregkh@linuxfoundation.org>; regressions@lists.linux.dev; Linus Walleij
> <linus.walleij@linaro.org>
> Subject: Re: [PATCH] gpio: Request interrupts after IRQ is initialized
>=20
> On 21.04.22 18:07, Thorsten Leemhuis wrote:
> > On 20.04.22 00:02, Linus Walleij wrote:
> >> On Mon, Apr 18, 2022 at 6:34 AM Mario Limonciello
> >> <mario.limonciello@amd.com> wrote:
> >>
> >>> Linus Walleij,
> >>>
> >>> As this is backported to 5.15.y, 5.16.y, 5.17.y and those all had poi=
nt
> >>> releases a bunch of people are hitting it now.  If you choose to adop=
t
> >>> this patch instead of revert the broken one, you can add to the commi=
t
> >>> message too:
> >>>
> >>> Link:
> https://nam11.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fgitla
> b.freedesktop.org%2Fdrm%2Famd%2F-
> %2Fissues%2F1976&amp;data=3D05%7C01%7Cmario.limonciello%40amd.com%
> 7C1bfce4a8186b4b1a4ef208da245a4411%7C3dd8961fe4884e608e11a82d994e
> 183d%7C0%7C0%7C637862267399285803%7CUnknown%7CTWFpbGZsb3d8ey
> JWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%
> 7C3000%7C%7C%7C&amp;sdata=3DcJvkTifRPkrl8kRaYffMmb0RGkoHb0krYMkj2
> Ufsg5k%3D&amp;reserved=3D0
> >>
> >> I am on parental leave kind of, but Bartosz knows what to do,
> >> in this case, since it is ACPI-related, Andy knows best what
> >> to do, and I see he also replied.
> >
> > Bartosz, Andy, what's the status here? It looks like the patch didn't
> > make any progress in the past few days (or did I miss it?). I'd really
> > like to see this patch or a revert of 5467801f1fcb ("gpio: Restrict
> > usage of GPIO chip irq members before initialization") mainlined by rc4=
,
> > so Greg (CCed) can fix it in the next round of stable updates, as it
> > seems quite a few people are affected by the problem.
>=20
> Mario, are you aware if this patch made any progress towards getting
> merged? If not, I wonder if we (you?) maybe should ask Linus to pick
> this up directly giving the circumstances to speed things up (or maybe a
> v2 that incorporates all the Reviewed-by/ACKs that accumulated).

I don't see it in Bartosz or Andy's trees.
I'm fine to send up a v2 directly to Linus with this audience on CC.

>=20
> Ciao, Thorsten
>=20
> > Reminder: this is one of those issue that we IMHO really should fix
> > quickly, as explained by a text recently added to the documentation:
> >
> >
> https://nam11.safelinks.protection.outlook.com/?url=3Dhttps%3A%2F%2Fgit.k
> ernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git%
> 2Ftree%2FDocumentation%2Fprocess%2Fhandling-
> regressions.rst%23n131&amp;data=3D05%7C01%7Cmario.limonciello%40amd.c
> om%7C1bfce4a8186b4b1a4ef208da245a4411%7C3dd8961fe4884e608e11a82d
> 994e183d%7C0%7C0%7C637862267399285803%7CUnknown%7CTWFpbGZsb3
> d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0
> %3D%7C3000%7C%7C%7C&amp;sdata=3DttOhIvDHhi8fIjrpuNcgXKeZaM%2F%2
> BaosUhn2mGEaC67M%3D&amp;reserved=3D0
> >
> > Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat=
)
> >
> > P.S.: As the Linux kernel's regression tracker I deal with a lot of
> > reports and sometimes miss something important when writing mails like
> > this. If that's the case here, don't hesitate to tell me in a public
> > reply, it's in everyone's interest to set the public record straight.
> >