linux-kernel - Re: [PATCH v3 RESEND 0/2] Add LPS0 check() for pinctrl-amd

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAJZ5v0gowcNwmLc_q508DcqgtGAP3z9bNoFB-0jdtLBZZ1TNzQ@mail.gmail.com>
Date: Wed, 12 Mar 2025 20:23:31 +0100
From: "Rafael J. Wysocki" <rafael@...nel.org>
To: Mario Limonciello <superm1@...nel.org>
Cc: "Rafael J . Wysocki" <rjw@...ysocki.net>, Linus Walleij <linus.walleij@...aro.org>, 
	"open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>, 
	linux-acpi@...r.kernel.org, Basavaraj Natikar <Basavaraj.Natikar@....com>, 
	Shyam Sundar S K <Shyam-sundar.S-k@....com>, Mario Limonciello <mario.limonciello@....com>
Subject: Re: [PATCH v3 RESEND 0/2] Add LPS0 check() for pinctrl-amd

On Wed, Mar 5, 2025 at 11:01 PM Mario Limonciello <superm1@...nel.org> wrote:
>
> From: Mario Limonciello <mario.limonciello@....com>
>
> During suspend the pinctrl_amd driver disables the interrupts for
> any GPIOs that are not marked as wake sources.
>
> This however does not prevent them from changing the wake status
> bit during suspend, it just stops the system from waking.
>
> If the system wakes from hardware sleep for another reason (such
> as plugging in the AC adapter) this wake bits might be active.
>
> This could potentially cause problems with going back to hardware
> sleep.  Add an extra debugging message when PM debugging is enabled
> to help identify if this is happening.
>
> ---
> I'm resending this because kw seemed to have split the patches on
> separate mailing lists and the lkp robot didn't know and reported
> failures.
> No changes from v3 -> v3 RESEND
>
> Mario Limonciello (2):
>   ACPI: Add missing prototype for non CONFIG_SUSPEND/CONFIG_X86 case
>   pinctrl: amd: Add an LPS0 check() callback
>
>  drivers/pinctrl/pinctrl-amd.c | 28 ++++++++++++++++++++++++++++
>  include/linux/acpi.h          |  9 ++++++++-
>  2 files changed, 36 insertions(+), 1 deletion(-)
>
> --

I've dropped this because of a build issue in linux-next introduced by it:

https://lore.kernel.org/lkml/20250312235829.2ac0c991@canb.auug.org.au/