irqchhip: Convert to using %pOFn instead of device_node.name

In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Signed-off-by: Yangtao Li <[e-mail]>
Signed-off-by: Marc Zyngier <[e-mail]>

drivers/irqchip/irq-mscc-ocelot.c

···
 	domain = irq_domain_add_linear(node, OCELOT_NR_IRQ,
 				       &irq_generic_chip_ops, NULL);
 	if (!domain) {
-		pr_err("%s: unable to add irq domain\n", node->name);
+		pr_err("%pOFn: unable to add irq domain\n", node);
 		return -ENOMEM;
 	}
 
···
 					     "icpu", handle_level_irq,
 					     0, 0, 0);
 	if (ret) {
-		pr_err("%s: unable to alloc irq domain gc\n", node->name);
+		pr_err("%pOFn: unable to alloc irq domain gc\n", node);
 		goto err_domain_remove;
 	}
 
 	gc = irq_get_domain_generic_chip(domain, 0);
 	gc->reg_base = of_iomap(node, 0);
 	if (!gc->reg_base) {
-		pr_err("%s: unable to map resource\n", node->name);
+		pr_err("%pOFn: unable to map resource\n", node);
 		ret = -ENOMEM;
 		goto err_gc_free;
 	}

drivers/irqchip/irq-stm32-exti.c

···
 	domain = irq_domain_add_linear(node, drv_data->bank_nr * IRQS_PER_BANK,
 				       &irq_exti_domain_ops, NULL);
 	if (!domain) {
-		pr_err("%s: Could not register interrupt domain.\n",
-		       node->name);
+		pr_err("%pOFn: Could not register interrupt domain.\n",
+		       node);
 		ret = -ENOMEM;
 		goto out_unmap;
 	}
···
 					  host_data);
 
 	if (!domain) {
-		pr_err("%s: Could not register exti domain.\n", node->name);
+		pr_err("%pOFn: Could not register exti domain.\n", node);
 		ret = -ENOMEM;
 		goto out_unmap;
 	}

drivers/irqchip/irq-tango.c

···
 
 	irq = irq_of_parse_and_map(node, 0);
 	if (!irq)
-		panic("%s: failed to get IRQ", node->name);
+		panic("%pOFn: failed to get IRQ", node);
 
 	err = of_address_to_resource(node, 0, &res);
 	if (err)
-		panic("%s: failed to get address", node->name);
+		panic("%pOFn: failed to get address", node);
 
 	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
 	chip->ctl = res.start - baseres->start;
···
 
 	dom = irq_domain_add_linear(node, 64, &irq_generic_chip_ops, chip);
 	if (!dom)
-		panic("%s: failed to create irqdomain", node->name);
+		panic("%pOFn: failed to create irqdomain", node);
 
 	err = irq_alloc_domain_generic_chips(dom, 32, 2, node->name,
 					     handle_level_irq, 0, 0, 0);
 	if (err)
-		panic("%s: failed to allocate irqchip", node->name);
+		panic("%pOFn: failed to allocate irqchip", node);
 
 	tangox_irq_domain_init(dom);
 
···
 
 	base = of_iomap(node, 0);
 	if (!base)
-		panic("%s: of_iomap failed", node->name);
+		panic("%pOFn: of_iomap failed", node);
 
 	of_address_to_resource(node, 0, &res);