Re: [PATCHv2 2/2] PM / devfreq: Change to DEVFREQ_GOV_UPDATE_INTERVAL event name

From: Chanwoo Choi
Date: Tue Feb 04 2020 - 02:44:02 EST


On 2/3/20 10:17 AM, Chanwoo Choi wrote:
> DEVFREQ_GOV_INTERVAL event indicates that update the interval
> for polling mode of devfreq device. But, this event name doesn't
> specify exactly what to do.
>
> Change DEVFREQ_GOV_INTERVAL event name to DEVFREQ_GOV_UPDATE_INTERVAL
> which specifies what to do by event name.
>
> And modify the function name to DEVFREQ_GOV_UPDATE_INTERVAL
> with 'devfreq_' prefix + verb + object as following:
> - devfreq_interval_update -> devfreq_updatee_interval
>
> Reviewed-by: Lukasz Luba <lukasz.luba@xxxxxxx>
> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> ---
> Changes from v1:
> - Add reviewed tag of Lukasz
> - Fix typo in patch description
>
> drivers/devfreq/devfreq.c | 10 +++++-----
> drivers/devfreq/governor.h | 4 ++--
> drivers/devfreq/governor_simpleondemand.c | 4 ++--
> drivers/devfreq/tegra30-devfreq.c | 4 ++--
> 4 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> index cceee8bc3c2f..8494c5f05a73 100644
> --- a/drivers/devfreq/devfreq.c
> +++ b/drivers/devfreq/devfreq.c
> @@ -550,14 +550,14 @@ void devfreq_monitor_resume(struct devfreq *devfreq)
> EXPORT_SYMBOL(devfreq_monitor_resume);
>
> /**
> - * devfreq_interval_update() - Update device devfreq monitoring interval
> + * devfreq_update_interval() - Update device devfreq monitoring interval
> * @devfreq: the devfreq instance.
> * @delay: new polling interval to be set.
> *
> * Helper function to set new load monitoring polling interval. Function
> - * to be called from governor in response to DEVFREQ_GOV_INTERVAL event.
> + * to be called from governor in response to DEVFREQ_GOV_UPDATE_INTERVAL event.
> */
> -void devfreq_interval_update(struct devfreq *devfreq, unsigned int *delay)
> +void devfreq_update_interval(struct devfreq *devfreq, unsigned int *delay)
> {
> unsigned int cur_delay = devfreq->profile->polling_ms;
> unsigned int new_delay = *delay;
> @@ -597,7 +597,7 @@ void devfreq_interval_update(struct devfreq *devfreq, unsigned int *delay)
> out:
> mutex_unlock(&devfreq->lock);
> }
> -EXPORT_SYMBOL(devfreq_interval_update);
> +EXPORT_SYMBOL(devfreq_update_interval);
>
> /**
> * devfreq_notifier_call() - Notify that the device frequency requirements
> @@ -1426,7 +1426,7 @@ static ssize_t polling_interval_store(struct device *dev,
> if (ret != 1)
> return -EINVAL;
>
> - df->governor->event_handler(df, DEVFREQ_GOV_INTERVAL, &value);
> + df->governor->event_handler(df, DEVFREQ_GOV_UPDATE_INTERVAL, &value);
> ret = count;
>
> return ret;
> diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h
> index 5ba3e051b1d0..c07ce77c253d 100644
> --- a/drivers/devfreq/governor.h
> +++ b/drivers/devfreq/governor.h
> @@ -18,7 +18,7 @@
> /* Devfreq events */
> #define DEVFREQ_GOV_START 0x1
> #define DEVFREQ_GOV_STOP 0x2
> -#define DEVFREQ_GOV_INTERVAL 0x3
> +#define DEVFREQ_GOV_UPDATE_INTERVAL 0x3
> #define DEVFREQ_GOV_SUSPEND 0x4
> #define DEVFREQ_GOV_RESUME 0x5
>
> @@ -61,7 +61,7 @@ void devfreq_monitor_start(struct devfreq *devfreq);
> void devfreq_monitor_stop(struct devfreq *devfreq);
> void devfreq_monitor_suspend(struct devfreq *devfreq);
> void devfreq_monitor_resume(struct devfreq *devfreq);
> -void devfreq_interval_update(struct devfreq *devfreq, unsigned int *delay);
> +void devfreq_update_interval(struct devfreq *devfreq, unsigned int *delay);
>
> int devfreq_add_governor(struct devfreq_governor *governor);
> int devfreq_remove_governor(struct devfreq_governor *governor);
> diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c
> index 3d809f228619..1b314e1df028 100644
> --- a/drivers/devfreq/governor_simpleondemand.c
> +++ b/drivers/devfreq/governor_simpleondemand.c
> @@ -96,8 +96,8 @@ static int devfreq_simple_ondemand_handler(struct devfreq *devfreq,
> devfreq_monitor_stop(devfreq);
> break;
>
> - case DEVFREQ_GOV_INTERVAL:
> - devfreq_interval_update(devfreq, (unsigned int *)data);
> + case DEVFREQ_GOV_UPDATE_INTERVAL:
> + devfreq_update_interval(devfreq, (unsigned int *)data);
> break;
>
> case DEVFREQ_GOV_SUSPEND:
> diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
> index 0b65f89d74d5..28b2c7ca416e 100644
> --- a/drivers/devfreq/tegra30-devfreq.c
> +++ b/drivers/devfreq/tegra30-devfreq.c
> @@ -734,7 +734,7 @@ static int tegra_governor_event_handler(struct devfreq *devfreq,
> devfreq_monitor_stop(devfreq);
> break;
>
> - case DEVFREQ_GOV_INTERVAL:
> + case DEVFREQ_GOV_UPDATE_INTERVAL:
> /*
> * ACTMON hardware supports up to 256 milliseconds for the
> * sampling period.
> @@ -745,7 +745,7 @@ static int tegra_governor_event_handler(struct devfreq *devfreq,
> }
>
> tegra_actmon_pause(tegra);
> - devfreq_interval_update(devfreq, new_delay);
> + devfreq_update_interval(devfreq, new_delay);
> ret = tegra_actmon_resume(tegra);
> break;
>
>

Applied it. Thanks.

--
Best Regards,
Chanwoo Choi
Samsung Electronics