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-rw-r--r--drivers/devfreq/devfreq.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index bf3047896e41..b6d3e7db0b09 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -11,6 +11,7 @@
#include <linux/kmod.h>
#include <linux/sched.h>
#include <linux/debugfs.h>
+#include <linux/devfreq_cooling.h>
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/init.h>
@@ -935,6 +936,12 @@ struct devfreq *devfreq_add_device(struct device *dev,
mutex_unlock(&devfreq_list_lock);
+ if (devfreq->profile->is_cooling_device) {
+ devfreq->cdev = devfreq_cooling_em_register(devfreq, NULL);
+ if (IS_ERR(devfreq->cdev))
+ devfreq->cdev = NULL;
+ }
+
return devfreq;
err_init:
@@ -960,6 +967,8 @@ int devfreq_remove_device(struct devfreq *devfreq)
if (!devfreq)
return -EINVAL;
+ devfreq_cooling_unregister(devfreq->cdev);
+
if (devfreq->governor) {
devfreq->governor->event_handler(devfreq,
DEVFREQ_GOV_STOP, NULL);