66 	struct rw_semaphore notify_lock;	/* Protects notify callback add/remove */  member
556 	down_write(&wblock->notify_lock);  in wmi_install_notify_handler()
568 	up_write(&wblock->notify_lock);  in wmi_install_notify_handler()
596 	down_write(&wblock->notify_lock);  in wmi_remove_notify_handler()
608 	up_write(&wblock->notify_lock);  in wmi_remove_notify_handler()
882 	down_write(&wblock->notify_lock);  in wmi_dev_probe()
884 	up_write(&wblock->notify_lock);  in wmi_dev_probe()
894 	down_write(&wblock->notify_lock);  in wmi_dev_remove()
896 	up_write(&wblock->notify_lock);  in wmi_dev_remove()
916 		down_write(&wblock->notify_lock);  in wmi_dev_shutdown()
918 		up_write(&wblock->notify_lock);  in wmi_dev_shutdown()
1073 	init_rwsem(&wblock->notify_lock);  in wmi_create_device()
1253 	down_read(&wblock->notify_lock);  in wmi_notify_device()
1261 	up_read(&wblock->notify_lock);  in wmi_notify_device()