linux-kernel - Re: [Bug 212379] AMD GPIO chip IRQs stops working (ELN4690, WCOM51C7, BMA250E)

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Message-ID: <YIrJjDggcPs5cRmA@zn.tnic>
Date:   Thu, 29 Apr 2021 16:58:20 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Coiby Xu <coiby.xu@...il.com>, Ken Xue <Ken.Xue@....com>,
        Nehal Shah <Nehal-bakulchandra.Shah@....com>,
        Shyam Sundar S K <Shyam-sundar.S-k@....com>,
        Daniel Drake <drake@...lessm.com>,
        vectorflaredesigns@...il.com,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Hans de Goede <hdegoede@...hat.com>
Subject: Re: [Bug 212379] AMD GPIO chip IRQs stops working (ELN4690,
 WCOM51C7, BMA250E)

On Thu, Apr 29, 2021 at 04:31:18PM +0200, Linus Walleij wrote:
> I have no clue, someone with deeper understanding of AMDs bridges
> and stuff need to look at this. Since it dies after a while I would
> suspect power management by the BIOS. (Off the top of my head.)
> SInce I guess these systems use BIOS ACPI for all PM.
> 
> If someone from AMD could pick up this bug, that would be great.

Thanks for looking. I have it on a good authority that something like
that is happening now.

:-)

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette