Re: [PATCH 1/2] devfreq: Rename devfreq_update_status() to devfreq_update_stats() and viceversa

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Hi,

I'm not sure that it is necessary. I think that it depends on
personal opinions. There are no correct answer perfectly.
Also, after this changes, there are no any beneficial.
It touch the history rather than behavior improvement.

On 19. 9. 26. 오전 3:43, Matthias Kaehlcke wrote:
> devfreq has two functions with very similar names, devfreq_update_status()
> and devfreq_update_stats(). _update_status() currently updates
> frequency transitions statistics, while _update_stats() retrieves the
> device 'status'. The function names are inversed with respect to what
> the functions are actually doing, rename devfreq_update_status() to
> devfreq_update_stats() and viceversa.
> 
> Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
> ---
> We could also rename the current devfreq_update_stats() to
> devfreq_refresh_status() to make it easier to distinguish it from
> devfreq_update_stats().
> ---
>  drivers/devfreq/devfreq.c                 | 12 ++++++------
>  drivers/devfreq/governor.h                |  4 ++--
>  drivers/devfreq/governor_passive.c        |  2 +-
>  drivers/devfreq/governor_simpleondemand.c |  2 +-
>  drivers/devfreq/tegra30-devfreq.c         |  2 +-
>  5 files changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> index 446490c9d635..fb4318d59aa9 100644
> --- a/drivers/devfreq/devfreq.c
> +++ b/drivers/devfreq/devfreq.c
> @@ -151,11 +151,11 @@ static int set_freq_table(struct devfreq *devfreq)
>  }
>  
>  /**
> - * devfreq_update_status() - Update statistics of devfreq behavior
> + * devfreq_update_stats() - Update statistics of devfreq behavior
>   * @devfreq:	the devfreq instance
>   * @freq:	the update target frequency
>   */
> -int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
> +int devfreq_update_stats(struct devfreq *devfreq, unsigned long freq)
>  {
>  	int lev, prev_lev, ret = 0;
>  	unsigned long cur_time;
> @@ -191,7 +191,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
>  	devfreq->last_stat_updated = cur_time;
>  	return ret;
>  }
> -EXPORT_SYMBOL(devfreq_update_status);
> +EXPORT_SYMBOL(devfreq_update_stats);
>  
>  /**
>   * find_devfreq_governor() - find devfreq governor from name
> @@ -311,7 +311,7 @@ static int devfreq_set_target(struct devfreq *devfreq, unsigned long new_freq,
>  	freqs.new = new_freq;
>  	devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE);
>  
> -	if (devfreq_update_status(devfreq, new_freq))
> +	if (devfreq_update_stats(devfreq, new_freq))
>  		dev_err(&devfreq->dev,
>  			"Couldn't update frequency transition information.\n");
>  
> @@ -450,7 +450,7 @@ void devfreq_monitor_suspend(struct devfreq *devfreq)
>  		return;
>  	}
>  
> -	devfreq_update_status(devfreq, devfreq->previous_freq);
> +	devfreq_update_stats(devfreq, devfreq->previous_freq);
>  	devfreq->stop_polling = true;
>  	mutex_unlock(&devfreq->lock);
>  	cancel_delayed_work_sync(&devfreq->work);
> @@ -1398,7 +1398,7 @@ static ssize_t trans_stat_show(struct device *dev,
>  	unsigned int max_state = devfreq->profile->max_state;
>  
>  	if (!devfreq->stop_polling &&
> -			devfreq_update_status(devfreq, devfreq->previous_freq))
> +			devfreq_update_stats(devfreq, devfreq->previous_freq))
>  		return 0;
>  	if (max_state == 0)
>  		return sprintf(buf, "Not Supported.\n");
> diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h
> index bbe5ff9fcecf..e11f447be2b5 100644
> --- a/drivers/devfreq/governor.h
> +++ b/drivers/devfreq/governor.h
> @@ -64,9 +64,9 @@ extern void devfreq_interval_update(struct devfreq *devfreq,
>  extern int devfreq_add_governor(struct devfreq_governor *governor);
>  extern int devfreq_remove_governor(struct devfreq_governor *governor);
>  
> -extern int devfreq_update_status(struct devfreq *devfreq, unsigned long freq);
> +extern int devfreq_update_stats(struct devfreq *devfreq, unsigned long freq);
>  
> -static inline int devfreq_update_stats(struct devfreq *df)
> +static inline int devfreq_update_status(struct devfreq *df)
>  {
>  	return df->profile->get_dev_status(df->dev.parent, &df->last_status);
>  }
> diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c
> index be6eeab9c814..1c746b96d3db 100644
> --- a/drivers/devfreq/governor_passive.c
> +++ b/drivers/devfreq/governor_passive.c
> @@ -110,7 +110,7 @@ static int update_devfreq_passive(struct devfreq *devfreq, unsigned long freq)
>  		goto out;
>  
>  	if (devfreq->profile->freq_table
> -		&& (devfreq_update_status(devfreq, freq)))
> +		&& (devfreq_update_stats(devfreq, freq)))
>  		dev_err(&devfreq->dev,
>  			"Couldn't update frequency transition information.\n");
>  
> diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c
> index 3d809f228619..2cbf26bdcfd6 100644
> --- a/drivers/devfreq/governor_simpleondemand.c
> +++ b/drivers/devfreq/governor_simpleondemand.c
> @@ -25,7 +25,7 @@ static int devfreq_simple_ondemand_func(struct devfreq *df,
>  	unsigned int dfso_downdifferential = DFSO_DOWNDIFFERENCTIAL;
>  	struct devfreq_simple_ondemand_data *data = df->data;
>  
> -	err = devfreq_update_stats(df);
> +	err = devfreq_update_status(df);
>  	if (err)
>  		return err;
>  
> diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
> index a6ba75f4106d..536273a811fe 100644
> --- a/drivers/devfreq/tegra30-devfreq.c
> +++ b/drivers/devfreq/tegra30-devfreq.c
> @@ -526,7 +526,7 @@ static int tegra_governor_get_target(struct devfreq *devfreq,
>  	unsigned int i;
>  	int err;
>  
> -	err = devfreq_update_stats(devfreq);
> +	err = devfreq_update_status(devfreq);
>  	if (err)
>  		return err;
>  
> 


-- 
Best Regards,
Chanwoo Choi
Samsung Electronics



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