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-rw-r--r--include/linux/devfreq.h30
1 files changed, 1 insertions, 29 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index e0acb0e5243b..6c220e4ebb6b 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -27,6 +27,7 @@
27#define DEVFREQ_POSTCHANGE (1) 27#define DEVFREQ_POSTCHANGE (1)
28 28
29struct devfreq; 29struct devfreq;
30struct devfreq_governor;
30 31
31/** 32/**
32 * struct devfreq_dev_status - Data given from devfreq user device to 33 * struct devfreq_dev_status - Data given from devfreq user device to
@@ -101,35 +102,6 @@ struct devfreq_dev_profile {
101}; 102};
102 103
103/** 104/**
104 * struct devfreq_governor - Devfreq policy governor
105 * @node: list node - contains registered devfreq governors
106 * @name: Governor's name
107 * @immutable: Immutable flag for governor. If the value is 1,
108 * this govenror is never changeable to other governor.
109 * @get_target_freq: Returns desired operating frequency for the device.
110 * Basically, get_target_freq will run
111 * devfreq_dev_profile.get_dev_status() to get the
112 * status of the device (load = busy_time / total_time).
113 * If no_central_polling is set, this callback is called
114 * only with update_devfreq() notified by OPP.
115 * @event_handler: Callback for devfreq core framework to notify events
116 * to governors. Events include per device governor
117 * init and exit, opp changes out of devfreq, suspend
118 * and resume of per device devfreq during device idle.
119 *
120 * Note that the callbacks are called with devfreq->lock locked by devfreq.
121 */
122struct devfreq_governor {
123 struct list_head node;
124
125 const char name[DEVFREQ_NAME_LEN];
126 const unsigned int immutable;
127 int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
128 int (*event_handler)(struct devfreq *devfreq,
129 unsigned int event, void *data);
130};
131
132/**
133 * struct devfreq - Device devfreq structure 105 * struct devfreq - Device devfreq structure
134 * @node: list node - contains the devices with devfreq that have been 106 * @node: list node - contains the devices with devfreq that have been
135 * registered. 107 * registered.