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

From: Tony Lindgren
Date: Fri Feb 17 2023 - 02:49:44 EST


Hi,

* Linus Walleij <linus.walleij@xxxxxxxxxx> [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?

Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>
Tested-by: Tony Lindgren <tony@xxxxxxxxxxx>