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PM / devfreq: add devfreq_suspend/resume() functions

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This patch adds implementation for global suspend/resume for
devfreq framework. System suspend will next use these functions.

Suggested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Suggested-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
This commit is contained in:
Lukasz Luba 2018-12-05 12:05:54 +01:00 • committed by MyungJoo Ham
parent 83f8ca45af
commit 5903195605
2 changed files with 50 additions and 0 deletions
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6
include/linux/devfreq.h
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@ -205,6 +205,9 @@ extern void devm_devfreq_remove_device(struct device *dev,
extern int devfreq_suspend_device(struct devfreq *devfreq);
extern int devfreq_resume_device(struct devfreq *devfreq);
extern void devfreq_suspend(void);
extern void devfreq_resume(void);
/**
* update_devfreq() - Reevaluate the device and configure frequency
* @devfreq: the devfreq device
@ -331,6 +334,9 @@ static inline int devfreq_resume_device(struct devfreq *devfreq)
return 0;
}
static inline void devfreq_suspend(void) {}
static inline void devfreq_resume(void) {}
static inline struct dev_pm_opp *devfreq_recommended_opp(struct device *dev,
unsigned long *freq, u32 flags)
{