Re: [PATCH v3 7/8] soc: renesas: Add support for Renesas RZ/N1 GPIO Interrupt Multiplexer

[Geert Uytterhoeven]

Hi Hervé,

On Thu, 18 Sept 2025 at 12:40, Herve Codina (Schneider Electric)
<herve.codina@xxxxxxxxxxx> wrote:
> On the Renesas RZ/N1 SoC, GPIOs can generate interruptions. Those
> interruption lines are multiplexed by the GPIO Interrupt Multiplexer in
> order to map 32 * 3 GPIO interrupt lines to 8 GIC interrupt lines.
>
> The GPIO interrupt multiplexer IP does nothing but select 8 GPIO
> IRQ lines out of the 96 available to wire them to the GIC input lines.
>
> Signed-off-by: Herve Codina (Schneider Electric) <herve.codina@xxxxxxxxxxx>

Thanks for your patch!

> --- /dev/null
> +++ b/drivers/soc/renesas/rzn1_irqmux.c

> +static const struct of_device_id irqmux_of_match[] = {
> +       { .compatible = "renesas,rzn1-gpioirqmux", },
> +       { /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, irq_mux_of_match);
                           ^^^^^^^^^^^^^^^^
                           irqmux_of_match

Interestingly, this built fine for me before, presumably until commit
5ab23c7923a1d2ae ("modpost: Create modalias for builtin modules")
in v6.18-rc1.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds