Merge branches 'for-4.11/upstream-fixes', 'for-4.12/accutouch', 'for-4.12/cp2112...

[mirror_ubuntu-artful-kernel.git] / include / linux / devfreq.h

diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 2de4e2eea180d133898980f87c659f86a7fb922b..e0acb0e5243b49552480ed8cfac2d037226f4304 100644 (file)
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -104,6 +104,8 @@ struct devfreq_dev_profile {
  * struct devfreq_governor - Devfreq policy governor
  * @node:              list node - contains registered devfreq governors
  * @name:              Governor's name
+ * @immutable:         Immutable flag for governor. If the value is 1,
+ *                     this govenror is never changeable to other governor.
  * @get_target_freq:   Returns desired operating frequency for the device.
  *                     Basically, get_target_freq will run
  *                     devfreq_dev_profile.get_dev_status() to get the
@@ -121,6 +123,7 @@ struct devfreq_governor {
        struct list_head node;
 
        const char name[DEVFREQ_NAME_LEN];
+       const unsigned int immutable;
        int (*get_target_freq)(struct devfreq *this, unsigned long *freq);
        int (*event_handler)(struct devfreq *devfreq,
                                unsigned int event, void *data);