-module_param(shpchp_debug, bool, 644);
-module_param(shpchp_poll_mode, bool, 644);
-module_param(shpchp_poll_time, int, 644);
+module_param(shpchp_debug, bool, 0644);
+module_param(shpchp_poll_mode, bool, 0644);
+module_param(shpchp_poll_time, int, 0644);