1142 static int irq_setup_forced_threading(struct irqaction *new)  in irq_setup_forced_threading()  argument
1146 	if (new->flags & (IRQF_NO_THREAD | IRQF_PERCPU | IRQF_ONESHOT))  in irq_setup_forced_threading()
1153 	if (new->handler == irq_default_primary_handler)  in irq_setup_forced_threading()
1156 	new->flags |= IRQF_ONESHOT;  in irq_setup_forced_threading()
1163 	if (new->handler && new->thread_fn) {  in irq_setup_forced_threading()
1165 		new->secondary = kzalloc(sizeof(struct irqaction), GFP_KERNEL);  in irq_setup_forced_threading()
1166 		if (!new->secondary)  in irq_setup_forced_threading()
1168 		new->secondary->handler = irq_forced_secondary_handler;  in irq_setup_forced_threading()
1169 		new->secondary->thread_fn = new->thread_fn;  in irq_setup_forced_threading()
1170 		new->secondary->dev_id = new->dev_id;  in irq_setup_forced_threading()
1171 		new->secondary->irq = new->irq;  in irq_setup_forced_threading()
1172 		new->secondary->name = new->name;  in irq_setup_forced_threading()
1175 	set_bit(IRQTF_FORCED_THREAD, &new->thread_flags);  in irq_setup_forced_threading()
1176 	new->thread_fn = new->handler;  in irq_setup_forced_threading()
1177 	new->handler = irq_default_primary_handler;  in irq_setup_forced_threading()
1232 setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary)  in setup_irq_thread()  argument
1240 		t = kthread_create(irq_thread, new, "irq/%d-%s", irq,  in setup_irq_thread()
1241 				   new->name);  in setup_irq_thread()
1243 		t = kthread_create(irq_thread, new, "irq/%d-s-%s", irq,  in setup_irq_thread()
1244 				   new->name);  in setup_irq_thread()
1258 	new->thread = get_task_struct(t);  in setup_irq_thread()
1268 	set_bit(IRQTF_AFFINITY, &new->thread_flags);  in setup_irq_thread()
1287 __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)  in __setup_irq()  argument
1301 	new->irq = irq;  in __setup_irq()
1307 	if (!(new->flags & IRQF_TRIGGER_MASK))  in __setup_irq()
1308 		new->flags |= irqd_get_trigger_type(&desc->irq_data);  in __setup_irq()
1316 		if (!new->thread_fn) {  in __setup_irq()
1325 		new->handler = irq_nested_primary_handler;  in __setup_irq()
1328 			ret = irq_setup_forced_threading(new);  in __setup_irq()
1339 	if (new->thread_fn && !nested) {  in __setup_irq()
1340 		ret = setup_irq_thread(new, irq, false);  in __setup_irq()
1343 		if (new->secondary) {  in __setup_irq()
1344 			ret = setup_irq_thread(new->secondary, irq, true);  in __setup_irq()
1360 		new->flags &= ~IRQF_ONESHOT;  in __setup_irq()
1383 			       new->name, irq, desc->irq_data.chip->name);  in __setup_irq()
1410 				new->name, irq, desc->irq_data.chip->name);  in __setup_irq()
1422 			oldtype = new->flags & IRQF_TRIGGER_MASK;  in __setup_irq()
1426 		if (!((old->flags & new->flags) & IRQF_SHARED) ||  in __setup_irq()
1427 		    (oldtype != (new->flags & IRQF_TRIGGER_MASK)) ||  in __setup_irq()
1428 		    ((old->flags ^ new->flags) & IRQF_ONESHOT))  in __setup_irq()
1433 		    (new->flags & IRQF_PERCPU))  in __setup_irq()
1455 	if (new->flags & IRQF_ONESHOT) {  in __setup_irq()
1484 		new->thread_mask = 1UL << ffz(thread_mask);  in __setup_irq()
1486 	} else if (new->handler == irq_default_primary_handler &&  in __setup_irq()
1513 		if (new->flags & IRQF_TRIGGER_MASK) {  in __setup_irq()
1515 						new->flags & IRQF_TRIGGER_MASK);  in __setup_irq()
1540 		if (new->flags & IRQF_PERCPU) {  in __setup_irq()
1545 		if (new->flags & IRQF_ONESHOT)  in __setup_irq()
1549 		if (new->flags & IRQF_NOBALANCING) {  in __setup_irq()
1563 			WARN_ON_ONCE(new->flags & IRQF_SHARED);  in __setup_irq()
1568 	} else if (new->flags & IRQF_TRIGGER_MASK) {  in __setup_irq()
1569 		unsigned int nmsk = new->flags & IRQF_TRIGGER_MASK;  in __setup_irq()
1578 	*old_ptr = new;  in __setup_irq()
1580 	irq_pm_install_action(desc, new);  in __setup_irq()
1599 	irq_setup_timings(desc, new);  in __setup_irq()
1605 	if (new->thread)  in __setup_irq()
1606 		wake_up_process(new->thread);  in __setup_irq()
1607 	if (new->secondary)  in __setup_irq()
1608 		wake_up_process(new->secondary->thread);  in __setup_irq()
1611 	new->dir = NULL;  in __setup_irq()
1612 	register_handler_proc(irq, new);  in __setup_irq()
1616 	if (!(new->flags & IRQF_PROBE_SHARED)) {  in __setup_irq()
1618 		       irq, new->flags, new->name, old->flags, old->name);  in __setup_irq()
1635 	if (new->thread) {  in __setup_irq()
1636 		struct task_struct *t = new->thread;  in __setup_irq()
1638 		new->thread = NULL;  in __setup_irq()
1642 	if (new->secondary && new->secondary->thread) {  in __setup_irq()
1643 		struct task_struct *t = new->secondary->thread;  in __setup_irq()
1645 		new->secondary->thread = NULL;  in __setup_irq()