2 files changed, 17 insertions, 0 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 24bf76fba141..058d6e084a6d 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1731,6 +1731,21 @@ const char *cpufreq_get_current_driver(void)
 }
 EXPORT_SYMBOL_GPL(cpufreq_get_current_driver);
 
+/**
+ *      cpufreq_get_driver_data - return current driver data
+ *
+ *      Return the private data of the currently loaded cpufreq
+ *      driver, or NULL if no cpufreq driver is loaded.
+ */
+void *cpufreq_get_driver_data(void)
+{
+        if (cpufreq_driver)
+                return cpufreq_driver->driver_data;
+
+        return NULL;
+}
+EXPORT_SYMBOL_GPL(cpufreq_get_driver_data);
+
 /*********************************************************************
  *                     NOTIFIER LISTS INTERFACE                      *
  *********************************************************************/
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 138336b6bb04..503b085b7832 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -219,6 +219,7 @@ __ATTR(_name, 0644, show_##_name, store_##_name)
 struct cpufreq_driver {
         char                    name[CPUFREQ_NAME_LEN];
         u8                      flags;
+        void                    *driver_data;
 
         /* needed by all drivers */
         int     (*init)         (struct cpufreq_policy *policy);
@@ -312,6 +313,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data);
 int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
 
 const char *cpufreq_get_current_driver(void);
+void *cpufreq_get_driver_data(void);
 
 static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy,
                 unsigned int min, unsigned int max)