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

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Date:   Thu, 28 Apr 2022 17:05:43 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Michael Walle <michael@...le.cc>
Cc:     Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        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, 28 Apr 2022 12:16:22 +0100,
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>

FWIW:

Reviewed-by: Marc Zyngier <maz@...nel.org>

	M.

-- 
Without deviation from the norm, progress is not possible.