linux-kernel - Re: [PATCH v3 02/10] cpufreq: amd-pstate: remove unused variable nominal

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Message-ID: <7e39d303-933a-4715-893b-5d11474ecf70@amd.com>
Date: Tue, 11 Jun 2024 13:50:21 -0500
From: Mario Limonciello <mario.limonciello@....com>
To: Perry Yuan <perry.yuan@....com>, gautham.shenoy@....com
Cc: rafael.j.wysocki@...el.com, viresh.kumar@...aro.org, Ray.Huang@....com,
 Borislav.Petkov@....com, Alexander.Deucher@....com, Xinmei.Huang@....com,
 Xiaojian.Du@....com, Li.Meng@....com, linux-pm@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 02/10] cpufreq: amd-pstate: remove unused variable
 nominal_freq

On 6/11/2024 03:52, Perry Yuan wrote:
> removed the unused variable `nominal_freq` for build warning.
> This variable was defined and assigned a value in the previous code,
> but it was not used in the subsequent code.
> 
> Closes: https://lore.kernel.org/oe-kbuild-all/202405080431.BPU6Yg9s-lkp@intel.com/
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Perry Yuan <perry.yuan@....com>
> Reviewed-by: Gautham R. Shenoy <gautham.shenoy@....com>

Acked-by: Mario Limonciello <mario.limonciello@....com>

> ---
>   drivers/cpufreq/amd-pstate.c | 6 ++----
>   1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index 37fce0569d06..36b1964ca8d3 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -944,7 +944,7 @@ static int amd_pstate_init_freq(struct amd_cpudata *cpudata)
>   
>   static int amd_pstate_cpu_init(struct cpufreq_policy *policy)
>   {
> -	int min_freq, max_freq, nominal_freq, ret;
> +	int min_freq, max_freq, ret;
>   	struct device *dev;
>   	struct amd_cpudata *cpudata;
>   
> @@ -975,7 +975,6 @@ static int amd_pstate_cpu_init(struct cpufreq_policy *policy)
>   
>   	min_freq = READ_ONCE(cpudata->min_freq);
>   	max_freq = READ_ONCE(cpudata->max_freq);
> -	nominal_freq = READ_ONCE(cpudata->nominal_freq);
>   
>   	policy->cpuinfo.transition_latency = amd_pstate_get_transition_latency(policy->cpu);
>   	policy->transition_delay_us = amd_pstate_get_transition_delay_us(policy->cpu);
> @@ -1395,7 +1394,7 @@ static bool amd_pstate_acpi_pm_profile_undefined(void)
>   
>   static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy)
>   {
> -	int min_freq, max_freq, nominal_freq, ret;
> +	int min_freq, max_freq, ret;
>   	struct amd_cpudata *cpudata;
>   	struct device *dev;
>   	u64 value;
> @@ -1428,7 +1427,6 @@ static int amd_pstate_epp_cpu_init(struct cpufreq_policy *policy)
>   
>   	min_freq = READ_ONCE(cpudata->min_freq);
>   	max_freq = READ_ONCE(cpudata->max_freq);
> -	nominal_freq = READ_ONCE(cpudata->nominal_freq);
>   
>   	policy->cpuinfo.min_freq = min_freq;
>   	policy->cpuinfo.max_freq = max_freq;