Re: [PATCH] irqchip/mmp: fix missing extern init code

From: Marc Zyngier
Date: Fri Jul 22 2022 - 03:42:01 EST


On Thu, 21 Jul 2022 22:51:47 +0100,
Ben Dooks <ben-linux@xxxxxxxxx> wrote:
>
> The functions icu_init_irq and mmp2_init_icu are exported
> from this code, so declare them in the header file to avoid
> the following sparse warnings:
>
> drivers/irqchip/irq-mmp.c:248:13: warning: symbol 'icu_init_irq' was not declared. Should it be static?
> drivers/irqchip/irq-mmp.c:271:13: warning: symbol 'mmp2_init_icu' was not declared. Should it be static?
>
> Signed-off-by: Ben Dooks <ben-linux@xxxxxxxxx>
> ---
> include/linux/irqchip/mmp.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/include/linux/irqchip/mmp.h b/include/linux/irqchip/mmp.h
> index cb8455c87c8a..aa1813749a4f 100644
> --- a/include/linux/irqchip/mmp.h
> +++ b/include/linux/irqchip/mmp.h
> @@ -4,4 +4,7 @@
>
> extern struct irq_chip icu_irq_chip;
>
> +extern void icu_init_irq(void);
> +extern void mmp2_init_icu(void);
> +
> #endif /* __IRQCHIP_MMP_H */
> --
> 2.35.1
>
>

$ git grep -E "icu_init_irq|mmp2_init_icu"
arch/arm/mach-mmp/mmp2.c: mmp2_init_icu();
arch/arm/mach-mmp/mmp2.h:extern void __init mmp2_init_icu(void);
arch/arm/mach-mmp/pxa168.c: icu_init_irq();
arch/arm/mach-mmp/pxa168.h:extern void __init icu_init_irq(void);
arch/arm/mach-mmp/pxa910.c: icu_init_irq();
arch/arm/mach-mmp/pxa910.h:extern void __init icu_init_irq(void);
drivers/irqchip/irq-mmp.c:void __init icu_init_irq(void)
drivers/irqchip/irq-mmp.c:void __init mmp2_init_icu(void)

If you are going to fix this, please fix it sensibly.

Thanks,

M.

--
Without deviation from the norm, progress is not possible.