1265 static int irq_setup_forced_threading(struct irqaction *new)  in irq_setup_forced_threading()  argument
1269 	if (new->flags & (IRQF_NO_THREAD | IRQF_PERCPU | IRQF_ONESHOT))  in irq_setup_forced_threading()
1276 	if (new->handler == irq_default_primary_handler)  in irq_setup_forced_threading()
1279 	new->flags |= IRQF_ONESHOT;  in irq_setup_forced_threading()
1286 	if (new->handler && new->thread_fn) {  in irq_setup_forced_threading()
1288 		new->secondary = kzalloc(sizeof(struct irqaction), GFP_KERNEL);  in irq_setup_forced_threading()
1289 		if (!new->secondary)  in irq_setup_forced_threading()
1291 		new->secondary->handler = irq_forced_secondary_handler;  in irq_setup_forced_threading()
1292 		new->secondary->thread_fn = new->thread_fn;  in irq_setup_forced_threading()
1293 		new->secondary->dev_id = new->dev_id;  in irq_setup_forced_threading()
1294 		new->secondary->irq = new->irq;  in irq_setup_forced_threading()
1295 		new->secondary->name = new->name;  in irq_setup_forced_threading()
1298 	set_bit(IRQTF_FORCED_THREAD, &new->thread_flags);  in irq_setup_forced_threading()
1299 	new->thread_fn = new->handler;  in irq_setup_forced_threading()
1300 	new->handler = irq_default_primary_handler;  in irq_setup_forced_threading()
1355 setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary)  in setup_irq_thread()  argument
1360 		t = kthread_create(irq_thread, new, "irq/%d-%s", irq,  in setup_irq_thread()
1361 				   new->name);  in setup_irq_thread()
1363 		t = kthread_create(irq_thread, new, "irq/%d-s-%s", irq,  in setup_irq_thread()
1364 				   new->name);  in setup_irq_thread()
1377 	new->thread = get_task_struct(t);  in setup_irq_thread()
1387 	set_bit(IRQTF_AFFINITY, &new->thread_flags);  in setup_irq_thread()
1406 __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)  in __setup_irq()  argument
1420 	new->irq = irq;  in __setup_irq()
1426 	if (!(new->flags & IRQF_TRIGGER_MASK))  in __setup_irq()
1427 		new->flags |= irqd_get_trigger_type(&desc->irq_data);  in __setup_irq()
1435 		if (!new->thread_fn) {  in __setup_irq()
1444 		new->handler = irq_nested_primary_handler;  in __setup_irq()
1447 			ret = irq_setup_forced_threading(new);  in __setup_irq()
1458 	if (new->thread_fn && !nested) {  in __setup_irq()
1459 		ret = setup_irq_thread(new, irq, false);  in __setup_irq()
1462 		if (new->secondary) {  in __setup_irq()
1463 			ret = setup_irq_thread(new->secondary, irq, true);  in __setup_irq()
1479 		new->flags &= ~IRQF_ONESHOT;  in __setup_irq()
1502 			       new->name, irq, desc->irq_data.chip->name);  in __setup_irq()
1529 				new->name, irq, desc->irq_data.chip->name);  in __setup_irq()
1541 			oldtype = new->flags & IRQF_TRIGGER_MASK;  in __setup_irq()
1545 		if (!((old->flags & new->flags) & IRQF_SHARED) ||  in __setup_irq()
1546 		    (oldtype != (new->flags & IRQF_TRIGGER_MASK)) ||  in __setup_irq()
1547 		    ((old->flags ^ new->flags) & IRQF_ONESHOT))  in __setup_irq()
1552 		    (new->flags & IRQF_PERCPU))  in __setup_irq()
1574 	if (new->flags & IRQF_ONESHOT) {  in __setup_irq()
1603 		new->thread_mask = 1UL << ffz(thread_mask);  in __setup_irq()
1605 	} else if (new->handler == irq_default_primary_handler &&  in __setup_irq()
1623 		       new->name, irq);  in __setup_irq()
1630 		if (new->flags & IRQF_TRIGGER_MASK) {  in __setup_irq()
1632 						new->flags & IRQF_TRIGGER_MASK);  in __setup_irq()
1657 		if (new->flags & IRQF_PERCPU) {  in __setup_irq()
1662 		if (new->flags & IRQF_ONESHOT)  in __setup_irq()
1666 		if (new->flags & IRQF_NOBALANCING) {  in __setup_irq()
1671 		if (!(new->flags & IRQF_NO_AUTOEN) &&  in __setup_irq()
1681 			WARN_ON_ONCE(new->flags & IRQF_SHARED);  in __setup_irq()
1686 	} else if (new->flags & IRQF_TRIGGER_MASK) {  in __setup_irq()
1687 		unsigned int nmsk = new->flags & IRQF_TRIGGER_MASK;  in __setup_irq()
1696 	*old_ptr = new;  in __setup_irq()
1698 	irq_pm_install_action(desc, new);  in __setup_irq()
1717 	irq_setup_timings(desc, new);  in __setup_irq()
1719 	wake_up_and_wait_for_irq_thread_ready(desc, new);  in __setup_irq()
1720 	wake_up_and_wait_for_irq_thread_ready(desc, new->secondary);  in __setup_irq()
1723 	new->dir = NULL;  in __setup_irq()
1724 	register_handler_proc(irq, new);  in __setup_irq()
1728 	if (!(new->flags & IRQF_PROBE_SHARED)) {  in __setup_irq()
1730 		       irq, new->flags, new->name, old->flags, old->name);  in __setup_irq()
1747 	if (new->thread) {  in __setup_irq()
1748 		struct task_struct *t = new->thread;  in __setup_irq()
1750 		new->thread = NULL;  in __setup_irq()
1754 	if (new->secondary && new->secondary->thread) {  in __setup_irq()
1755 		struct task_struct *t = new->secondary->thread;  in __setup_irq()
1757 		new->secondary->thread = NULL;  in __setup_irq()