36 bool irq_wait_for_poll(struct irq_desc *desc)  in irq_wait_for_poll()  argument
37 	__must_hold(&desc->lock)  in irq_wait_for_poll()
41 		      smp_processor_id(), desc->irq_data.irq))  in irq_wait_for_poll()
46 		raw_spin_unlock(&desc->lock);  in irq_wait_for_poll()
47 		while (irqd_irq_inprogress(&desc->irq_data))  in irq_wait_for_poll()
49 		raw_spin_lock(&desc->lock);  in irq_wait_for_poll()
50 	} while (irqd_irq_inprogress(&desc->irq_data));  in irq_wait_for_poll()
52 	return !irqd_irq_disabled(&desc->irq_data) && desc->action;  in irq_wait_for_poll()
62 static int try_one_irq(struct irq_desc *desc, bool force)  in try_one_irq()  argument
67 	raw_spin_lock(&desc->lock);  in try_one_irq()
73 	if (irq_settings_is_per_cpu(desc) ||  in try_one_irq()
74 	    irq_settings_is_nested_thread(desc) ||  in try_one_irq()
75 	    irq_settings_is_polled(desc))  in try_one_irq()
82 	if (irqd_irq_disabled(&desc->irq_data) && !force)  in try_one_irq()
89 	action = desc->action;  in try_one_irq()
95 	if (irqd_irq_inprogress(&desc->irq_data)) {  in try_one_irq()
100 		desc->istate |= IRQS_PENDING;  in try_one_irq()
105 	desc->istate |= IRQS_POLL_INPROGRESS;  in try_one_irq()
107 		if (handle_irq_event(desc) == IRQ_HANDLED)  in try_one_irq()
110 		action = desc->action;  in try_one_irq()
111 	} while ((desc->istate & IRQS_PENDING) && action);  in try_one_irq()
112 	desc->istate &= ~IRQS_POLL_INPROGRESS;  in try_one_irq()
114 	raw_spin_unlock(&desc->lock);  in try_one_irq()
120 	struct irq_desc *desc;  in misrouted_irq()  local
128 	for_each_irq_desc(i, desc) {  in misrouted_irq()
135 		if (try_one_irq(desc, false))  in misrouted_irq()
146 	struct irq_desc *desc;  in poll_spurious_irqs()  local
153 	for_each_irq_desc(i, desc) {  in poll_spurious_irqs()
160 		state = desc->istate;  in poll_spurious_irqs()
166 		try_one_irq(desc, true);  in poll_spurious_irqs()
192 static void __report_bad_irq(struct irq_desc *desc, irqreturn_t action_ret)  in __report_bad_irq()  argument
194 	unsigned int irq = irq_desc_get_irq(desc);  in __report_bad_irq()
214 	raw_spin_lock_irqsave(&desc->lock, flags);  in __report_bad_irq()
215 	for_each_action_of_desc(desc, action) {  in __report_bad_irq()
222 	raw_spin_unlock_irqrestore(&desc->lock, flags);  in __report_bad_irq()
225 static void report_bad_irq(struct irq_desc *desc, irqreturn_t action_ret)  in report_bad_irq()  argument
231 		__report_bad_irq(desc, action_ret);  in report_bad_irq()
236 try_misrouted_irq(unsigned int irq, struct irq_desc *desc,  in try_misrouted_irq()  argument
265 	action = desc->action;  in try_misrouted_irq()
272 void note_interrupt(struct irq_desc *desc, irqreturn_t action_ret)  in note_interrupt()  argument
276 	if (desc->istate & IRQS_POLL_INPROGRESS ||  in note_interrupt()
277 	    irq_settings_is_polled(desc))  in note_interrupt()
281 		report_bad_irq(desc, action_ret);  in note_interrupt()
322 			if (!(desc->threads_handled_last & SPURIOUS_DEFERRED)) {  in note_interrupt()
323 				desc->threads_handled_last |= SPURIOUS_DEFERRED;  in note_interrupt()
338 			handled = atomic_read(&desc->threads_handled);  in note_interrupt()
340 			if (handled != desc->threads_handled_last) {  in note_interrupt()
350 				desc->threads_handled_last = handled;  in note_interrupt()
381 			desc->threads_handled_last &= ~SPURIOUS_DEFERRED;  in note_interrupt()
392 		if (time_after(jiffies, desc->last_unhandled + HZ/10))  in note_interrupt()
393 			desc->irqs_unhandled = 1;  in note_interrupt()
395 			desc->irqs_unhandled++;  in note_interrupt()
396 		desc->last_unhandled = jiffies;  in note_interrupt()
399 	irq = irq_desc_get_irq(desc);  in note_interrupt()
400 	if (unlikely(try_misrouted_irq(irq, desc, action_ret))) {  in note_interrupt()
403 			desc->irqs_unhandled -= ok;  in note_interrupt()
406 	if (likely(!desc->irqs_unhandled))  in note_interrupt()
410 	desc->irq_count++;  in note_interrupt()
411 	if (likely(desc->irq_count < 100000))  in note_interrupt()
414 	desc->irq_count = 0;  in note_interrupt()
415 	if (unlikely(desc->irqs_unhandled > 99900)) {  in note_interrupt()
419 		__report_bad_irq(desc, action_ret);  in note_interrupt()
424 		desc->istate |= IRQS_SPURIOUS_DISABLED;  in note_interrupt()
425 		desc->depth++;  in note_interrupt()
426 		irq_disable(desc);  in note_interrupt()
431 	desc->irqs_unhandled = 0;  in note_interrupt()