linux-kernel - Re: [PATCH 7/9] reset: make the provider of reset-gpios the parent of the reset device

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

Message-ID: <CAMRc=McPpFEmg7dpfiYWJaPR4yMynOaU5Hp37E7rTzWSCNxBuA@mail.gmail.com>
Date: Tue, 21 Oct 2025 17:23:33 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Philipp Zabel <p.zabel@...gutronix.de>, Linus Walleij <linus.walleij@...aro.org>, 
	Daniel Scally <djrscally@...il.com>, Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
	Sakari Ailus <sakari.ailus@...ux.intel.com>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Danilo Krummrich <dakr@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 7/9] reset: make the provider of reset-gpios the parent of
 the reset device

On Tue, Oct 21, 2025 at 5:03 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> On Tue, Oct 21, 2025 at 05:55:02PM +0300, Andy Shevchenko wrote:
> > On Tue, Oct 21, 2025 at 11:39:41AM +0200, Bartosz Golaszewski wrote:
> > > On Tue, Oct 21, 2025 at 11:31 AM Philipp Zabel <p.zabel@...gutronix.de> wrote:
> > > > On Di, 2025-10-21 at 11:27 +0200, Bartosz Golaszewski wrote:
>
> [...]
>
> > > > No need to convert all existing drivers right away, but I'd like to see
> > > > a user that benefits from the conversion.
> > > >
> > >
> > > The first obvious user will be the reset-gpio driver which will see
> > > its core code simplified as we won't need to cast between OF and
> > > fwnodes.
> >
> > +1 to Bart's work. reset-gpio in current form is useless in all my cases
> > (it's OF-centric in 2025! We should not do that in a new code).
> >
> > More over, conversion to reset-gpio from open coded GPIO APIs is a clear
> > regression and I want to NAK all those changes (if any already done) for
> > the discrete components that may be used outside of certainly OF-only niche of
> > the platforms.
>
> To be clear, the conversion that's done while reset-gpio is kept OF-centric.
> I'm in favour of using it, but we need to make it agnostic.
>

As of now, the whole reset framework is completely OF-centric, I don't
know what good blocking any such conversions would bring? I intend to
convert the reset core but not individual drivers.

Bart