linux-kernel - Re: [PATCH] powerpc/8xx: Remove init_internal_rtc() to fix no previous prototype error

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Date:   Thu, 17 Aug 2023 14:43:25 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     "Christophe Leroy" <christophe.leroy@...roup.eu>,
        "Michael Ellerman" <mpe@...erman.id.au>,
        "Nicholas Piggin" <npiggin@...il.com>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc/8xx: Remove init_internal_rtc() to fix no previous
 prototype error

On Thu, Aug 17, 2023, at 14:26, Christophe Leroy wrote:
> A W=1 build of mpc885_ads_defconfig throws the following error:
>
>   CC      arch/powerpc/platforms/8xx/m8xx_setup.o
> arch/powerpc/platforms/8xx/m8xx_setup.c:41:1: error: no previous 
> prototype for 'init_internal_rtc' [-Werror=missing-prototypes]
>    41 | init_internal_rtc(void)
>       | ^~~~~~~~~~~~~~~~~
>
> init_internal_rtc() was introduced by commit df34403dcaac ("[POWERPC]
> 8xx: Add mpc885ads support and common mpc8xx files") as a weak
> function but has never been defined and/or used outside m8xx_setup.c
>
> As it is called only once there, just fold it into its caller and
> remove it.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
> Cc: Arnd Bergmann <arnd@...db.de>
> ---

Reviewed-by: Arnd Bergmann <arnd@...db.de>