linux-kernel - Re: [PATCH 0/4] Make irq_chip immutable for ISA drivers

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Message-ID: <CAMRc=MeURJXOrbD-xi=QfZKr9KViF-Cu5r2bWnKQAbj0dj0YGg@mail.gmail.com>
Date:   Sat, 3 Sep 2022 23:10:35 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     William Breathitt Gray <william.gray@...aro.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/4] Make irq_chip immutable for ISA drivers

On Fri, Sep 2, 2022 at 11:40 PM William Breathitt Gray
<william.gray@...aro.org> wrote:
>
> Kernel warns about mutable irq_chips in ISA drivers:
>
>     "not an immutable chip, please consider fixing!"
>
> Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
> new helper functions, and call the appropriate gpiolib functions.
>
> William Breathitt Gray (4):
>   gpio: 104-dio-48e: Make irq_chip immutable
>   gpio: 104-idi-48: Make irq_chip immutable
>   gpio: 104-idio-16: Make irq_chip immutable
>   gpio: ws16c48: Make irq_chip immutable
>
>  drivers/gpio/gpio-104-dio-48e.c | 10 +++++++---
>  drivers/gpio/gpio-104-idi-48.c  | 10 +++++++---
>  drivers/gpio/gpio-104-idio-16.c | 18 +++++++++++-------
>  drivers/gpio/gpio-ws16c48.c     | 10 +++++++---
>  4 files changed, 32 insertions(+), 16 deletions(-)
>
>
> base-commit: 6ae8e1d0d5e5de922315830aea975c63e8c70b2f
> --
> 2.37.2
>

Queued for fixes, thanks!

Bart