[PATCH 15/17] gpio: omap: Convert to immutable irq_chip

[Tony Lindgren]

* Andreas Kemnade <andreas at kemnade.info> [230217 16:31]:
> On Fri, 17 Feb 2023 09:49:37 +0200
> Tony Lindgren <tony at atomide.com> wrote:
> 
> > Hi,
> > 
> > * Linus Walleij <linus.walleij at linaro.org> [230216 09:38]:
> > > Convert the driver to immutable irq-chip with a bit of
> > > intuition.
> > > 
> > > This driver require some special care: .irq_ack() was copied
> > > from dummy_irq_chip where it was defined as noop. This only
> > > makes sense if using handle_edge_irq() that will unconditionally
> > > call .irq_ack() to avoid a crash, but this driver is not ever
> > > using handle_edge_irq() so just avoid assigning .irq_ack().
> > > 
> > > A separate chip had to be created for the non-wakeup instance.  
> > 
> > Nice, works for me.
> > 
> > BTW, I still see these warnings remaining on boot:
> > 
> > gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation.
> > 
> > Seems like we might be able to get rid of those too now or are
> > there still some dependencies with /sys/class/gpio for example?
> > 
> on what are you testing? on -next? I thought I have fixed theese warning with
> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=92bf78b33b0b463b00c6b0203b49aea845daecc8

You're right, sorry looks like I pasted the wrong line from the dmesg
output :)

I intended to paste this example instead of the static allocation line:

gpio gpiochip1: (gpio-32-63): not an immutable chip, please consider fixing it!

Regards,

Tony