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Diffstat (limited to 'include/linux/devfreq.h')
-rw-r--r--include/linux/devfreq.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 68030e22af35..b54b1a748d83 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -52,6 +52,10 @@ struct devfreq_dev_status {
*/
#define DEVFREQ_FLAG_LEAST_UPPER_BOUND 0x1
+#define DEVFREQ_FLAG_WAKEUP_MAXFREQ 0x2
+#define DEVFREQ_FLAG_FAST_HINT 0x4
+#define DEVFREQ_FLAG_SLOW_HINT 0x8
+
/**
* struct devfreq_dev_profile - Devfreq's user device profile
* @initial_freq: The operating frequency when devfreq_add_device() is
@@ -114,7 +118,8 @@ struct devfreq_governor {
struct list_head node;
const char name[DEVFREQ_NAME_LEN];
- int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
+ int (*get_target_freq)(struct devfreq *this, unsigned long *freq,
+ u32 *flag);
int (*event_handler)(struct devfreq *devfreq,
unsigned int event, void *data);
};
@@ -231,6 +236,9 @@ static inline int devfreq_update_stats(struct devfreq *df)
* the governor may consider slowing the frequency down.
* Specify 0 to use the default. Valid value = 0 to 100.
* downdifferential < upthreshold must hold.
+ * @simple_scaling: Setting this flag will scale the clocks up only if the
+ * load is above @upthreshold and will scale the clocks
+ * down only if the load is below @downdifferential.
*
* If the fed devfreq_simple_ondemand_data pointer is NULL to the governor,
* the governor uses the default values.
@@ -238,6 +246,7 @@ static inline int devfreq_update_stats(struct devfreq *df)
struct devfreq_simple_ondemand_data {
unsigned int upthreshold;
unsigned int downdifferential;
+ unsigned int simple_scaling;
};
#endif