linux-kernel - Re: [PATCH v8 12/13] cpufreq: amd-pstate: convert sprintf with sysfs

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Date:   Mon, 19 Dec 2022 17:31:06 -0600
From:   "Limonciello, Mario" <mario.limonciello@....com>
To:     Perry Yuan <perry.yuan@....com>, rafael.j.wysocki@...el.com,
        ray.huang@....com, viresh.kumar@...aro.org
Cc:     Deepak.Sharma@....com, Nathan.Fontenot@....com,
        Alexander.Deucher@....com, Shimmer.Huang@....com,
        Xiaojian.Du@....com, Li.Meng@....com, wyes.karny@....com,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 12/13] cpufreq: amd-pstate: convert sprintf with
 sysfs_emit()

On 12/19/2022 00:40, Perry Yuan wrote:
> replace the sprintf with a more generic sysfs_emit function
> 
> No potential function impact

Anything is possible!  "No intended functional impact." I believe is 
what you meant =)

> 
> Signed-off-by: Perry Yuan <perry.yuan@....com>

With commit message fixed:

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

> ---
>   drivers/cpufreq/amd-pstate.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
> index e8996e937e63..d8b182614c18 100644
> --- a/drivers/cpufreq/amd-pstate.c
> +++ b/drivers/cpufreq/amd-pstate.c
> @@ -709,7 +709,7 @@ static ssize_t show_amd_pstate_max_freq(struct cpufreq_policy *policy,
>   	if (max_freq < 0)
>   		return max_freq;
>   
> -	return sprintf(&buf[0], "%u\n", max_freq);
> +	return sysfs_emit(buf, "%u\n", max_freq);
>   }
>   
>   static ssize_t show_amd_pstate_lowest_nonlinear_freq(struct cpufreq_policy *policy,
> @@ -722,7 +722,7 @@ static ssize_t show_amd_pstate_lowest_nonlinear_freq(struct cpufreq_policy *poli
>   	if (freq < 0)
>   		return freq;
>   
> -	return sprintf(&buf[0], "%u\n", freq);
> +	return sysfs_emit(buf, "%u\n", freq);
>   }
>   
>   /*
> @@ -737,7 +737,7 @@ static ssize_t show_amd_pstate_highest_perf(struct cpufreq_policy *policy,
>   
>   	perf = READ_ONCE(cpudata->highest_perf);
>   
> -	return sprintf(&buf[0], "%u\n", perf);
> +	return sysfs_emit(buf, "%u\n", perf);
>   }
>   
>   static ssize_t show_energy_performance_available_preferences(