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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-02-20 14:23:40 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-02-20 14:23:40 +0100
commit41ef3d1df037a429703db503e98fa948ee34b895 (patch)
tree611d15d08b45efd9c8c9ea0ae1aa8b4498b1ba7e /include
parentad7eec4244a8c6b53a0d38d6fd674e9d2c92897f (diff)
parent23b017a623a0bd19c24e6c1c41fe587c644e9dbc (diff)
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Merge branch 'pm-devfreq'
* pm-devfreq: PM / devfreq: Modify the device name as devfreq(X) for sysfs PM / devfreq: Simplify the sysfs name of devfreq-event device PM / devfreq: Remove unnecessary separate _remove_devfreq() PM / devfreq: Fix wrong trans_stat of passive devfreq device PM / devfreq: Fix available_governor sysfs PM / devfreq: exynos-ppmu: Show the registred device for ppmu device PM / devfreq: Fix the wrong description for userspace governor PM / devfreq: Fix the checkpatch warnings PM / devfreq: exynos-bus: Print the real clock rate of bus PM / devfreq: exynos-ppmu: Use the regmap interface to handle the registers PM / devfreq: exynos-bus: Add the detailed correlation for Exynos5433 PM / devfreq: Don't delete sysfs group twice
Diffstat (limited to 'include')
-rw-r--r--include/linux/devfreq.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 2de4e2eea180..e0acb0e5243b 100644
--- 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);