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PM / devfreq: Unify frequency change to devfreq_update_target func

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The update_devfreq() and update_passive_devfreq() have the duplicate
code when changing the target frequency on final stage. So, unify
frequency change code to devfreq_update_target() to remove the
duplicate code and to centralize the frequency change code.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi
2020-10-07 22:02:39 +09:00
parent 4281461c01
commit b4365423bb
3 changed files with 33 additions and 39 deletions
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29
drivers/devfreq/devfreq.c
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@@ -382,18 +382,19 @@ static int devfreq_set_target(struct devfreq *devfreq, unsigned long new_freq,
return err;
}
/* Load monitoring helper functions for governors use */
/**
* update_devfreq() - Reevaluate the device and configure frequency.
* devfreq_update_target() - Reevaluate the device and configure frequency
* on the final stage.
* @devfreq: the devfreq instance.
* @freq: the new frequency of parent device. This argument
* is only used for devfreq device using passive governor.
*
* Note: Lock devfreq->lock before calling update_devfreq
* This function is exported for governors.
* Note: Lock devfreq->lock before calling devfreq_update_target. This function
* should be only used by both update_devfreq() and devfreq governors.
*/
int update_devfreq(struct devfreq *devfreq)
int devfreq_update_target(struct devfreq *devfreq, unsigned long freq)
{
unsigned long freq, min_freq, max_freq;
unsigned long min_freq, max_freq;
int err = 0;
u32 flags = 0;
@@ -418,7 +419,21 @@ int update_devfreq(struct devfreq *devfreq)
}
return devfreq_set_target(devfreq, freq, flags);
}
EXPORT_SYMBOL(devfreq_update_target);
/* Load monitoring helper functions for governors use */
/**
* update_devfreq() - Reevaluate the device and configure frequency.
* @devfreq: the devfreq instance.
*
* Note: Lock devfreq->lock before calling update_devfreq
* This function is exported for governors.
*/
int update_devfreq(struct devfreq *devfreq)
{
return devfreq_update_target(devfreq, 0L);
}
EXPORT_SYMBOL(update_devfreq);