powerpc: Use for_each_node_with_property() in of_irq_map_init()

Signed-off-by: NMichael Ellerman <michael@ellerman.id.au>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/kernel/prom_parse.c

@@ -731,10 +731,7 @@ void of_irq_map_init(unsigned int flags)
 	if (flags & OF_IMAP_NO_PHANDLE) {
 		struct device_node *np;
 
-		for(np = NULL; (np = of_find_all_nodes(np)) != NULL;) {
-			if (of_get_property(np, "interrupt-controller", NULL)
-			    == NULL)
-				continue;
+		for_each_node_with_property(np, "interrupt-controller") {
 			/* Skip /chosen/interrupt-controller */
 			if (strcmp(np->name, "chosen") == 0)
 				continue;