[PATCH] ARM: footbridge: convert to sparse IRQs

[Linus Walleij]

On Sun, May 10, 2026 at 7:21 AM Ethan Nelson-Moore
<enelsonmoore at gmail.com> wrote:

> To improve future maintainability, change the interrupt handling for
> mach-footbridge to use sparse IRQs.
>
> Since the number of possible interrupts is already fixed and relatively
> small, just make it use all legacy interrupts preallocated using the
> .nr_irqs field in the machine descriptor, rather than actually
> allocating domains on the fly.
>
> Many files had to be adjusted to include <mach/irqs.h>
> explicitly because it is no longer implicitly included with sparse
> IRQs.
>
> Description adapted from commit c78a41fc04f0 ("ARM: s3c24xx: convert
> to sparse-irq").
>
> Signed-off-by: Ethan Nelson-Moore <enelsonmoore at gmail.com>

Have you tested this on real hardware?
The commit doesn't really say.

I might have to dig out my NetWinder to test this.

Yours,
Linus Walleij