linux-kernel - Re: [RESEND PATCH 1/2] powerpc/powermac: add missing g5_phy_disable

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Date:   Wed, 22 Sep 2021 15:52:17 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [RESEND PATCH 1/2] powerpc/powermac: add missing
 g5_phy_disable_cpu1() declaration



Le 22/09/2021 à 10:44, Krzysztof Kozlowski a écrit :
> g5_phy_disable_cpu1() is used outside of platforms/powermac/feature.c,
> so it should have a declaration to fix W=1 warning:
> 
>    arch/powerpc/platforms/powermac/feature.c:1533:6:
>      error: no previous prototype for ‘g5_phy_disable_cpu1’ [-Werror=missing-prototypes]


While you are at it, can you clean it up completely, that is remove the 
declaration in arch/powerpc/platforms/powermac/smp.c ?


> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
> ---
>   arch/powerpc/include/asm/pmac_feature.h | 4 ++++
>   1 file changed, 4 insertions(+)
> 
> diff --git a/arch/powerpc/include/asm/pmac_feature.h b/arch/powerpc/include/asm/pmac_feature.h
> index e08e829261b6..7703e5bf1203 100644
> --- a/arch/powerpc/include/asm/pmac_feature.h
> +++ b/arch/powerpc/include/asm/pmac_feature.h
> @@ -143,6 +143,10 @@
>    */
>   struct device_node;
>   
> +#ifdef CONFIG_PPC64
> +void g5_phy_disable_cpu1(void);
> +#endif /* CONFIG_PPC64 */
> +
>   static inline long pmac_call_feature(int selector, struct device_node* node,
>   					long param, long value)
>   {
>