Quoting Geert Uytterhoeven (2019-10-01 11:05:47)
> As platform_get_irq() now prints an error when the interrupt does not
> exist, counting interrupts by looping until failure causes the printing
> of scary messages like:
>
> sh-pfc e6060000.pin-controller: IRQ index 0 not found
>
> Fix this by using the platform_irq_count() helper instead.
>
> Fixes: 7723f4c5ecdb8d83 ("driver core: platform: Add an error message to
> platform_get_irq*()")
> Signed-off-by: Geert Uytterhoeven <[email protected]>
> ---
Reviewed-by: Stephen Boyd <[email protected]>