25 static int devfreq_userspace_func(struct devfreq *df, unsigned long *freq)  in devfreq_userspace_func()
48 	struct devfreq *devfreq = to_devfreq(dev);  in store_freq()  local
54 	mutex_lock(&devfreq->lock);  in store_freq()
55 	data = devfreq->data;  in store_freq()
60 	err = update_devfreq(devfreq);  in store_freq()
63 	mutex_unlock(&devfreq->lock);  in store_freq()
70 	struct devfreq *devfreq = to_devfreq(dev);  in show_freq()  local
74 	mutex_lock(&devfreq->lock);  in show_freq()
75 	data = devfreq->data;  in show_freq()
81 	mutex_unlock(&devfreq->lock);  in show_freq()
95 static int userspace_init(struct devfreq *devfreq)  in userspace_init()  argument
106 	devfreq->data = data;  in userspace_init()
108 	err = sysfs_create_group(&devfreq->dev.kobj, &dev_attr_group);  in userspace_init()
113 static void userspace_exit(struct devfreq *devfreq)  in userspace_exit()  argument
115 	sysfs_remove_group(&devfreq->dev.kobj, &dev_attr_group);  in userspace_exit()
116 	kfree(devfreq->data);  in userspace_exit()
117 	devfreq->data = NULL;  in userspace_exit()
120 static int devfreq_userspace_handler(struct devfreq *devfreq,  in devfreq_userspace_handler()  argument
127 		ret = userspace_init(devfreq);  in devfreq_userspace_handler()
130 		userspace_exit(devfreq);  in devfreq_userspace_handler()