Currently update_devfreq() is only visible to devfreq governors outside
of devfreq.c. Make it public to allow drivers that adjust devfreq policies
to cause a re-evaluation of the frequency after a policy change.
Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
---
Changes in v2:
- added 'Acked-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>' tag
drivers/devfreq/governor.h | 3 ---
include/linux/devfreq.h | 8 ++++++++
2 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h
index b81700244ce3..f53339ca610f 100644
--- a/drivers/devfreq/governor.h
+++ b/drivers/devfreq/governor.h
@@ -57,9 +57,6 @@ struct devfreq_governor {
unsigned int event, void *data);
};
-/* Caution: devfreq->lock must be locked before calling update_devfreq */
-extern int update_devfreq(struct devfreq *devfreq);
-
extern void devfreq_monitor_start(struct devfreq *devfreq);
extern void devfreq_monitor_stop(struct devfreq *devfreq);
extern void devfreq_monitor_suspend(struct devfreq *devfreq);
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 8a4c0f10a394..781edefb0087 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -222,6 +222,14 @@ 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);
+/**
+ * update_devfreq() - Reevaluate the device and configure frequency
+ * @devfreq: the devfreq device
+ *
+ * Note: devfreq->lock must be held
+ */
+extern int update_devfreq(struct devfreq *devfreq);
+
/* Helper functions for devfreq user device driver with OPP. */
extern struct dev_pm_opp *devfreq_recommended_opp(struct device *dev,
unsigned long *freq, u32 flags);
--
2.18.0.rc1.242.g61856ae69a-goog
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