linux-kernel - Re: [PATCH RFC 0/9] gpio: make irq

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Message-ID: <CAMRc=McXAKw8rZzKtfz6ekUcTHLP_ik7MN2FyWYoZUyx=bSdsw@mail.gmail.com>
Date: Mon, 19 May 2025 13:11:48 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Peng Fan <peng.fan@....com>
Cc: Ray Jui <rjui@...adcom.com>, 
	Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, 
	Linus Walleij <linus.walleij@...aro.org>, Florian Fainelli <florian.fainelli@...adcom.com>, 
	Scott Branden <sbranden@...adcom.com>, Vladimir Zapolskiy <vz@...ia.com>, Keerthy <j-keerthy@...com>, 
	Robert Jarzmik <robert.jarzmik@...e.fr>, "Peng Fan (OSS)" <peng.fan@....nxp.com>, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, 
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH RFC 0/9] gpio: make irq_chip immutable

On Mon, May 19, 2025 at 5:56 AM Peng Fan <peng.fan@....com> wrote:
>
> Hi Bartosz,
>
> > Subject: Re: [PATCH RFC 0/9] gpio: make irq_chip immutable
> >
> > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> >
> >
> > On Fri, 09 May 2025 12:45:31 +0800, Peng Fan (OSS) wrote:
> > > This might be a bit late to post this patchset, since it is almost
> > > rc6, but no rush here. Not expect this patchset be in 6.16.
> > >
> > > This is an effort to make irq_chip immutable to elimnate the kernel
> > > warning "not an immutable chip, please consider fixing!"
> > >
> > > The major changes
> > > - add "gpiochip_disable_irq(gc, hwirq)" to end of mask hook
> > > - add "gpiochip_enable_irq(gc, hwirq)" to start of unmask hook
> > > - add IMMUTABLE flag
> > > - add GPIOCHIP_IRQ_RESOURCE_HELPERS
> > >
> > > [...]
> >
> > Applied, thanks!
> >
> > [4/9] gpio: mpc8xxx: Make irq_chip immutable
> > [9/9] gpio: pxa: Make irq_chip immutable
> >
>
> For the two patches, there are build failure
> with powerpc-ppc64e_defconfig and
> arm-am200epdkit_defconfig
>
> GPIOLIB_IRQCHIP is not selected. I am not sure
> how to address the build. You may need to drop
> the two patches.

No worries, I just sent out relevant fixes.

Bartosz