linux-kernel - Re: [PATCH] pinctrl: microchip-sgpio: make irq

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Date:   Fri, 29 Apr 2022 00:34:34 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Michael Walle <michael@...le.cc>
Cc:     Marc Zyngier <maz@...nel.org>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        UNGLinuxDriver@...rochip.com, linux-arm-kernel@...ts.infradead.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: microchip-sgpio: make irq_chip immutable

On Thu, Apr 28, 2022 at 1:16 PM Michael Walle <michael@...le.cc> wrote:

> Since recently, the kernel is nagging about mutable irq_chips:
>
> [    4.967050] gpio gpiochip1: (e2004190.gpio-input): not an immutable chip, please consider fixing it!
>
> Drop the unneeded copy, flag it as IRQCHIP_IMMUTABLE, add the new
> helper functions and call the appropriate gpiolib functions.
>
> Signed-off-by: Michael Walle <michael@...le.cc>

I'm still waiting to see if Bartosz pulls in the prerequisites
to the GPIO tree, when/if he does I will pull it in too and
apply this on top.

Yours,
Linus Walleij