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

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Message-ID: <Y6VcrW6pYDCHx8/1@amd.com>
Date:   Fri, 23 Dec 2022 15:45:49 +0800
From:   Huang Rui <ray.huang@....com>
To:     "Yuan, Perry" <Perry.Yuan@....com>
Cc:     "rafael.j.wysocki@...el.com" <rafael.j.wysocki@...el.com>,
        "Limonciello, Mario" <Mario.Limonciello@....com>,
        "viresh.kumar@...aro.org" <viresh.kumar@...aro.org>,
        "Sharma, Deepak" <Deepak.Sharma@....com>,
        "Fontenot, Nathan" <Nathan.Fontenot@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Huang, Shimmer" <Shimmer.Huang@....com>,
        "Du, Xiaojian" <Xiaojian.Du@....com>,
        "Meng, Li (Jassmine)" <Li.Meng@....com>,
        "Karny, Wyes" <Wyes.Karny@....com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 12/13] cpufreq: amd-pstate: convert sprintf with
 sysfs_emit()

On Mon, Dec 19, 2022 at 02:40:41PM +0800, Yuan, Perry wrote:
> replace the sprintf with a more generic sysfs_emit function
> 
> No potential function impact
> 
> Signed-off-by: Perry Yuan <perry.yuan@....com>

Acked-by: Huang Rui <ray.huang@....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(
> -- 
> 2.34.1
>