38 bool irq_wait_for_poll(struct irq_desc *desc)  in irq_wait_for_poll()  argument
42 		      smp_processor_id(), desc->irq_data.irq))  in irq_wait_for_poll()
47 		raw_spin_unlock(&desc->lock);  in irq_wait_for_poll()
48 		while (irqd_irq_inprogress(&desc->irq_data))  in irq_wait_for_poll()
50 		raw_spin_lock(&desc->lock);  in irq_wait_for_poll()
51 	} while (irqd_irq_inprogress(&desc->irq_data));  in irq_wait_for_poll()
53 	return !irqd_irq_disabled(&desc->irq_data) && desc->action;  in irq_wait_for_poll()
63 static int try_one_irq(int irq, struct irq_desc *desc, bool force)  in try_one_irq()  argument
68 	raw_spin_lock(&desc->lock);  in try_one_irq()
74 	if (irq_settings_is_per_cpu(desc) ||  in try_one_irq()
75 	    irq_settings_is_nested_thread(desc) ||  in try_one_irq()
76 	    irq_settings_is_polled(desc))  in try_one_irq()
83 	if (irqd_irq_disabled(&desc->irq_data) && !force)  in try_one_irq()
90 	action = desc->action;  in try_one_irq()
96 	if (irqd_irq_inprogress(&desc->irq_data)) {  in try_one_irq()
101 		desc->istate |= IRQS_PENDING;  in try_one_irq()
106 	desc->istate |= IRQS_POLL_INPROGRESS;  in try_one_irq()
108 		if (handle_irq_event(desc) == IRQ_HANDLED)  in try_one_irq()
111 		action = desc->action;  in try_one_irq()
112 	} while ((desc->istate & IRQS_PENDING) && action);  in try_one_irq()
113 	desc->istate &= ~IRQS_POLL_INPROGRESS;  in try_one_irq()
115 	raw_spin_unlock(&desc->lock);  in try_one_irq()
121 	struct irq_desc *desc;  in misrouted_irq()  local
129 	for_each_irq_desc(i, desc) {  in misrouted_irq()
136 		if (try_one_irq(i, desc, false))  in misrouted_irq()
147 	struct irq_desc *desc;  in poll_spurious_irqs()  local
154 	for_each_irq_desc(i, desc) {  in poll_spurious_irqs()
161 		state = desc->istate;  in poll_spurious_irqs()
167 		try_one_irq(i, desc, true);  in poll_spurious_irqs()
192 __report_bad_irq(unsigned int irq, struct irq_desc *desc,  in __report_bad_irq()  argument
214 	raw_spin_lock_irqsave(&desc->lock, flags);  in __report_bad_irq()
215 	action = desc->action;  in __report_bad_irq()
224 	raw_spin_unlock_irqrestore(&desc->lock, flags);  in __report_bad_irq()
228 report_bad_irq(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret)  in report_bad_irq()  argument
234 		__report_bad_irq(irq, desc, action_ret);  in report_bad_irq()
239 try_misrouted_irq(unsigned int irq, struct irq_desc *desc,  in try_misrouted_irq()  argument
268 	action = desc->action;  in try_misrouted_irq()
275 void note_interrupt(unsigned int irq, struct irq_desc *desc,  in note_interrupt()  argument
278 	if (desc->istate & IRQS_POLL_INPROGRESS ||  in note_interrupt()
279 	    irq_settings_is_polled(desc))  in note_interrupt()
283 		report_bad_irq(irq, desc, action_ret);  in note_interrupt()
324 			if (!(desc->threads_handled_last & SPURIOUS_DEFERRED)) {  in note_interrupt()
325 				desc->threads_handled_last |= SPURIOUS_DEFERRED;  in note_interrupt()
340 			handled = atomic_read(&desc->threads_handled);  in note_interrupt()
342 			if (handled != desc->threads_handled_last) {  in note_interrupt()
352 				desc->threads_handled_last = handled;  in note_interrupt()
383 			desc->threads_handled_last &= ~SPURIOUS_DEFERRED;  in note_interrupt()
394 		if (time_after(jiffies, desc->last_unhandled + HZ/10))  in note_interrupt()
395 			desc->irqs_unhandled = 1;  in note_interrupt()
397 			desc->irqs_unhandled++;  in note_interrupt()
398 		desc->last_unhandled = jiffies;  in note_interrupt()
401 	if (unlikely(try_misrouted_irq(irq, desc, action_ret))) {  in note_interrupt()
404 			desc->irqs_unhandled -= ok;  in note_interrupt()
407 	desc->irq_count++;  in note_interrupt()
408 	if (likely(desc->irq_count < 100000))  in note_interrupt()
411 	desc->irq_count = 0;  in note_interrupt()
412 	if (unlikely(desc->irqs_unhandled > 99900)) {  in note_interrupt()
416 		__report_bad_irq(irq, desc, action_ret);  in note_interrupt()
421 		desc->istate |= IRQS_SPURIOUS_DISABLED;  in note_interrupt()
422 		desc->depth++;  in note_interrupt()
423 		irq_disable(desc);  in note_interrupt()
428 	desc->irqs_unhandled = 0;  in note_interrupt()