2022-12-19 07:09:44

by Yuan, Perry

[permalink] [raw]
Subject: [PATCH v8 12/13] cpufreq: amd-pstate: convert sprintf with sysfs_emit()

replace the sprintf with a more generic sysfs_emit function

No potential function impact

Signed-off-by: Perry Yuan <[email protected]>
---
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


2022-12-20 00:05:13

by Mario Limonciello

[permalink] [raw]
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 <[email protected]>

With commit message fixed:

Reviewed-by: Mario Limonciello <[email protected]>

> ---
> 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(

2022-12-23 08:10:14

by Huang Rui

[permalink] [raw]
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 <[email protected]>

Acked-by: Huang Rui <[email protected]>

> ---
> 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
>

2022-12-25 16:52:38

by Yuan, Perry

[permalink] [raw]
Subject: RE: [PATCH v8 12/13] cpufreq: amd-pstate: convert sprintf with sysfs_emit()

[AMD Official Use Only - General]

Hi Mario.

> -----Original Message-----
> From: Limonciello, Mario <[email protected]>
> Sent: Tuesday, December 20, 2022 7:31 AM
> To: Yuan, Perry <[email protected]>; [email protected]; Huang,
> Ray <[email protected]>; [email protected]
> Cc: Sharma, Deepak <[email protected]>; Fontenot, Nathan
> <[email protected]>; Deucher, Alexander
> <[email protected]>; Huang, Shimmer
> <[email protected]>; Du, Xiaojian <[email protected]>; Meng,
> Li (Jassmine) <[email protected]>; Karny, Wyes <[email protected]>;
> [email protected]; [email protected]
> 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 <[email protected]>
>
> With commit message fixed:
>
> Reviewed-by: Mario Limonciello <[email protected]>

Thanks for your review , all the R-B flags have been picked up in v9 .
And other feedbacks from you have been changed in v9 as well.


Perry.

>
> > ---
> > 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(