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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-03-22 04:50:45 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-04-02 02:09:02 +0300
commit66893b6ac9952ec9d9409e9d85eaacf37bba8d15 (patch)
tree7e30fa6f5060c8dd722716ed3d617dc67601b6b5 /include/linux/cpufreq.h
parent2d0c58ad60376160ee8b535e570a38b9a349b6a4 (diff)
downloadlinux-66893b6ac9952ec9d9409e9d85eaacf37bba8d15.tar.xz
cpufreq: Move governor attribute set headers to cpufreq.h
Move definitions and function headers related to struct gov_attr_set to include/linux/cpufreq.h so they can be used by (future) goverernors located outside of drivers/cpufreq/. No functional changes. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r--include/linux/cpufreq.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 718e8725de8a..74f5cfff2b52 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -462,6 +462,29 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor);
struct cpufreq_governor *cpufreq_default_governor(void);
struct cpufreq_governor *cpufreq_fallback_governor(void);
+/* Governor attribute set */
+struct gov_attr_set {
+ struct kobject kobj;
+ struct list_head policy_list;
+ struct mutex update_lock;
+ int usage_count;
+};
+
+/* sysfs ops for cpufreq governors */
+extern const struct sysfs_ops governor_sysfs_ops;
+
+void gov_attr_set_init(struct gov_attr_set *attr_set, struct list_head *list_node);
+void gov_attr_set_get(struct gov_attr_set *attr_set, struct list_head *list_node);
+unsigned int gov_attr_set_put(struct gov_attr_set *attr_set, struct list_head *list_node);
+
+/* Governor sysfs attribute */
+struct governor_attr {
+ struct attribute attr;
+ ssize_t (*show)(struct gov_attr_set *attr_set, char *buf);
+ ssize_t (*store)(struct gov_attr_set *attr_set, const char *buf,
+ size_t count);
+};
+
/*********************************************************************
* FREQUENCY TABLE HELPERS *
*********************************************************************/