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Message-ID: <5ab1673c-8ade-545c-fcc1-af7104853b04@csgroup.eu>
Date: Fri, 19 Aug 2022 08:12:14 +0000
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Chen Lifu <chenlifu@...wei.com>,
"benh@...nel.crashing.org" <benh@...nel.crashing.org>,
"mpe@...erman.id.au" <mpe@...erman.id.au>,
"npiggin@...il.com" <npiggin@...il.com>,
"nick.child@....com" <nick.child@....com>,
"zhengzucheng@...wei.com" <zhengzucheng@...wei.com>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"paulus@...ba.org" <paulus@...ba.org>,
"rppt@...nel.org" <rppt@...nel.org>,
"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
"oohall@...il.com" <oohall@...il.com>
Subject: Re: [PATCH -next] powerpc/powermac: Fix symbol not declared warnings
Le 19/08/2022 à 09:43, Chen Lifu a écrit :
> 1. ppc_override_l2cr and ppc_override_l2cr_value are only used in
> l2cr_init() function, so move them inside the function.
> 2. has_l2cache is not used outside of the file, so mark it static, and
> do not initialise statics to 0.
You can do much more simple. Use *l2cr directly and remove
ppc_override_l2cr and ppc_override_l2cr_value completely. And move the
printk inside the 'if (l2cr)'.
>
> Fixes the following warning:
>
> arch/powerpc/platforms/powermac/setup.c:74:5: warning: symbol 'ppc_override_l2cr' was not declared. Should it be static?
> arch/powerpc/platforms/powermac/setup.c:75:5: warning: symbol 'ppc_override_l2cr_value' was not declared. Should it be static?
> arch/powerpc/platforms/powermac/setup.c:76:5: warning: symbol 'has_l2cache' was not declared. Should it be static?
>
> Signed-off-by: Chen Lifu <chenlifu@...wei.com>
> ---
> arch/powerpc/platforms/powermac/setup.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
> index 04daa7f0a03c..f8b847a2f5b5 100644
> --- a/arch/powerpc/platforms/powermac/setup.c
> +++ b/arch/powerpc/platforms/powermac/setup.c
> @@ -68,13 +68,11 @@
>
> #include "pmac.h"
>
> #undef SHOW_GATWICK_IRQS
>
> -int ppc_override_l2cr = 0;
> -int ppc_override_l2cr_value;
> -int has_l2cache = 0;
> +static int has_l2cache;
>
> int pmac_newworld;
>
> static int current_root_goodness = -1;
>
> @@ -226,10 +224,13 @@ static void __init ohare_init(void)
> }
> }
>
> static void __init l2cr_init(void)
> {
> + int ppc_override_l2cr = 0;
> + int ppc_override_l2cr_value;
> +
> /* Checks "l2cr-value" property in the registry */
> if (cpu_has_feature(CPU_FTR_L2CR)) {
> struct device_node *np;
>
> for_each_of_cpu_node(np) {
> --
> 2.37.1
>
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