linux-kernel - Re: [PATCH] cpufreq: amd-pstate: set varaiable mode_state_machine storage-class-specifier to static

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Message-ID: <20230404123015.mj2ya5jhgsd6wjnq@BLR-5CG13462PL.amd.com>
Date:   Tue, 4 Apr 2023 18:00:15 +0530
From:   Wyes Karny <wyes.karny@....com>
To:     Tom Rix <trix@...hat.com>
Cc:     ray.huang@....com, rafael@...nel.org, viresh.kumar@...aro.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: amd-pstate: set varaiable mode_state_machine
 storage-class-specifier to static

On 03 Apr 20:33, Tom Rix wrote:
> smatch reports
> drivers/cpufreq/amd-pstate.c:907:25: warning: symbol
>   'mode_state_machine' was not declared. Should it be static?
> 
> This variable is only used in one file so it should be static.
> 
> Signed-off-by: Tom Rix <trix@...hat.com>

Reviewed-by: Wyes Karny <wyes.karny@....com>
Tested-by: Wyes Karny <wyes.karny@....com>

> ---
>  drivers/cpufreq/amd-pstate.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index 6f4b8040d46c..5a3d4aa0f45a 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -904,7 +904,7 @@ static int amd_pstate_change_driver_mode(int mode)
>  	return 0;
>  }
>  
> -cppc_mode_transition_fn mode_state_machine[AMD_PSTATE_MAX][AMD_PSTATE_MAX] = {
> +static cppc_mode_transition_fn mode_state_machine[AMD_PSTATE_MAX][AMD_PSTATE_MAX] = {
>  	[AMD_PSTATE_DISABLE]         = {
>  		[AMD_PSTATE_DISABLE]     = NULL,
>  		[AMD_PSTATE_PASSIVE]     = amd_pstate_register_driver,
> -- 
> 2.27.0
>