linux-kernel - Re: [PATCH v5 5/6] gpiolib: Reuse device's fwnode to create IRQ domain

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: <CACRpkdZmE2wCfhJsdCaVaaJbVDtvgReogVgx9_fpG=0YRS-U+Q@mail.gmail.com>
Date:   Tue, 9 Mar 2021 17:34:59 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Marc Zyngier <maz@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v5 5/6] gpiolib: Reuse device's fwnode to create IRQ domain

On Mon, Mar 8, 2021 at 8:45 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:

> When IRQ domain is created for an ACPI case, the name of it becomes unknown-%d
> since for now it utilizes of_node member only and doesn't consider fwnode case.
> Convert IRQ domain creation code to utilize fwnode instead.
>
> Before/After the change on Intel Galileo Gen 2 with two GPIO (IRQ) controllers:
>
>   unknown-1     ==>     \_SB.PCI0.GIP0.GPO
>   unknown-2     ==>     \_SB.NIO3
>
> Due to the nature of this change we may also deduplicate the WARN():s
> because in either case (DT or ACPI) the fwnode will be set correctly
> and %pfw is an equivalent to what the current code prints as a prefix.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij