+ struct device_node *np;
+ const char *typep;
+
+ for_each_node_by_name(np, "interrupt-controller") {
+ typep = of_get_property(np, "compatible", NULL);
+ if (strstr(typep, "open-pic")) {
+ of_node_put(np);
+
+ printk(KERN_INFO "CPU Hotplug not supported on "
+ "systems using MPIC\n");
+ return 0;
+ }
+ }
+