1008 static int irq_setup_forced_threading(struct irqaction *new)  in irq_setup_forced_threading()  argument
1012 	if (new->flags & (IRQF_NO_THREAD | IRQF_PERCPU | IRQF_ONESHOT))  in irq_setup_forced_threading()
1015 	new->flags |= IRQF_ONESHOT;  in irq_setup_forced_threading()
1022 	if (new->handler != irq_default_primary_handler && new->thread_fn) {  in irq_setup_forced_threading()
1024 		new->secondary = kzalloc(sizeof(struct irqaction), GFP_KERNEL);  in irq_setup_forced_threading()
1025 		if (!new->secondary)  in irq_setup_forced_threading()
1027 		new->secondary->handler = irq_forced_secondary_handler;  in irq_setup_forced_threading()
1028 		new->secondary->thread_fn = new->thread_fn;  in irq_setup_forced_threading()
1029 		new->secondary->dev_id = new->dev_id;  in irq_setup_forced_threading()
1030 		new->secondary->irq = new->irq;  in irq_setup_forced_threading()
1031 		new->secondary->name = new->name;  in irq_setup_forced_threading()
1034 	set_bit(IRQTF_FORCED_THREAD, &new->thread_flags);  in irq_setup_forced_threading()
1035 	new->thread_fn = new->handler;  in irq_setup_forced_threading()
1036 	new->handler = irq_default_primary_handler;  in irq_setup_forced_threading()
1058 setup_irq_thread(struct irqaction *new, unsigned int irq, bool secondary)  in setup_irq_thread()  argument
1066 		t = kthread_create(irq_thread, new, "irq/%d-%s", irq,  in setup_irq_thread()
1067 				   new->name);  in setup_irq_thread()
1069 		t = kthread_create(irq_thread, new, "irq/%d-s-%s", irq,  in setup_irq_thread()
1070 				   new->name);  in setup_irq_thread()
1085 	new->thread = t;  in setup_irq_thread()
1095 	set_bit(IRQTF_AFFINITY, &new->thread_flags);  in setup_irq_thread()
1104 __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)  in __setup_irq()  argument
1119 	new->irq = irq;  in __setup_irq()
1127 		if (!new->thread_fn) {  in __setup_irq()
1136 		new->handler = irq_nested_primary_handler;  in __setup_irq()
1139 			ret = irq_setup_forced_threading(new);  in __setup_irq()
1150 	if (new->thread_fn && !nested) {  in __setup_irq()
1151 		ret = setup_irq_thread(new, irq, false);  in __setup_irq()
1154 		if (new->secondary) {  in __setup_irq()
1155 			ret = setup_irq_thread(new->secondary, irq, true);  in __setup_irq()
1176 		new->flags &= ~IRQF_ONESHOT;  in __setup_irq()
1192 		if (!((old->flags & new->flags) & IRQF_SHARED) ||  in __setup_irq()
1193 		    ((old->flags ^ new->flags) & IRQF_TRIGGER_MASK) ||  in __setup_irq()
1194 		    ((old->flags ^ new->flags) & IRQF_ONESHOT))  in __setup_irq()
1199 		    (new->flags & IRQF_PERCPU))  in __setup_irq()
1221 	if (new->flags & IRQF_ONESHOT) {  in __setup_irq()
1250 		new->thread_mask = 1 << ffz(thread_mask);  in __setup_irq()
1252 	} else if (new->handler == irq_default_primary_handler &&  in __setup_irq()
1279 			       new->name, irq, desc->irq_data.chip->name);  in __setup_irq()
1286 		if (new->flags & IRQF_TRIGGER_MASK) {  in __setup_irq()
1288 						new->flags & IRQF_TRIGGER_MASK);  in __setup_irq()
1298 		if (new->flags & IRQF_PERCPU) {  in __setup_irq()
1303 		if (new->flags & IRQF_ONESHOT)  in __setup_irq()
1313 		if (new->flags & IRQF_NOBALANCING) {  in __setup_irq()
1321 	} else if (new->flags & IRQF_TRIGGER_MASK) {  in __setup_irq()
1322 		unsigned int nmsk = new->flags & IRQF_TRIGGER_MASK;  in __setup_irq()
1331 	*old_ptr = new;  in __setup_irq()
1333 	irq_pm_install_action(desc, new);  in __setup_irq()
1354 	if (new->thread)  in __setup_irq()
1355 		wake_up_process(new->thread);  in __setup_irq()
1356 	if (new->secondary)  in __setup_irq()
1357 		wake_up_process(new->secondary->thread);  in __setup_irq()
1360 	new->dir = NULL;  in __setup_irq()
1361 	register_handler_proc(irq, new);  in __setup_irq()
1367 	if (!(new->flags & IRQF_PROBE_SHARED)) {  in __setup_irq()
1369 		       irq, new->flags, new->name, old->flags, old->name);  in __setup_irq()
1381 	if (new->thread) {  in __setup_irq()
1382 		struct task_struct *t = new->thread;  in __setup_irq()
1384 		new->thread = NULL;  in __setup_irq()
1388 	if (new->secondary && new->secondary->thread) {  in __setup_irq()
1389 		struct task_struct *t = new->secondary->thread;  in __setup_irq()
1391 		new->secondary->thread = NULL;  in __setup_irq()