linux-kernel - Re: [PATCH v8 3/6] software node: implement reference properties

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: <20201109190551.GM4077@smile.fi.intel.com>
Date:   Mon, 9 Nov 2020 21:05:51 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Lukasz Stelmach <l.stelmach@...sung.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: Re: [PATCH v8 3/6] software node: implement reference properties

On Mon, Nov 09, 2020 at 10:53:05AM -0800, Dmitry Torokhov wrote:
> On Mon, Nov 09, 2020 at 07:18:37PM +0100, Lukasz Stelmach wrote:
> > It was <2020-11-09 pon 19:24>, when Andy Shevchenko wrote:

...

> > Probably I have missed something and I will be greatful, if you tell me
> > where I can find more information about software nodes. There are few
> > users in the kernel and it isn't obvious for me how to use software
> > nodes properly.
> 
> Yeah, I disagree with Andy here. The lookup tables are a crutch that we
> have until GPIO and PWM a taught to support software nodes (I need to
> resurrect my patch series for GPIO, if you have time to test that would
> be awesome).

We don't have support for list of fwnodes, this will probably break things
where swnode is already exist.

I think Heikki may send a documentation patch to clarify when swnodes can and
can't be used. Maybe I'm mistaken and above is a good use case by design.

-- 
With Best Regards,
Andy Shevchenko