linux-kernel - Re: [PATCH] acpi: add missing prototype for ‘arch_post_acpi_subsys

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Date:   Thu, 17 May 2018 12:15:04 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Mathieu Malaterre <malat@...ian.org>
Cc:     Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] acpi: add missing prototype for ‘arch_post_acpi_subsys_init’

On Saturday, May 5, 2018 10:36:03 PM CEST Mathieu Malaterre wrote:
> In commit e7ff3a47630d ("x86/amd: Check for the C1E bug post ACPI subsystem
> init") a new function ‘arch_post_acpi_subsys_init’ was introduced. This
> weak function can potentially be overridden on a per arch basis, introduce
> the prototype for clarity.
> 
> Silence the following gcc warning (W=1):
> 
>   init/main.c:484:20: warning: no previous prototype for ‘arch_post_acpi_subsys_init’ [-Wmissing-prototypes]
> 
> Signed-off-by: Mathieu Malaterre <malat@...ian.org>
> ---
>  include/linux/acpi.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 15bfb15c2fa5..cb4d7b6b085c 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -578,6 +578,7 @@ int acpi_match_platform_list(const struct acpi_platform_list *plat);
>  
>  extern void acpi_early_init(void);
>  extern void acpi_subsystem_init(void);
> +extern void arch_post_acpi_subsys_init(void);
>  
>  extern int acpi_nvs_register(__u64 start, __u64 size);
>  
> 

Applied, thanks!