71 static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node,  in desc_set_defaults()  argument
80 	desc->irq_data.irq = irq;  in desc_set_defaults()
106 static void irq_insert_desc(unsigned int irq, struct irq_desc *desc)  in irq_insert_desc()  argument
108 	radix_tree_insert(&irq_desc_tree, irq, desc);  in irq_insert_desc()
111 struct irq_desc *irq_to_desc(unsigned int irq)  in irq_to_desc()  argument
113 	return radix_tree_lookup(&irq_desc_tree, irq);  in irq_to_desc()
117 static void delete_irq_desc(unsigned int irq)  in delete_irq_desc()  argument
119 	radix_tree_delete(&irq_desc_tree, irq);  in delete_irq_desc()
144 static struct irq_desc *alloc_desc(int irq, int node, struct module *owner)  in alloc_desc()  argument
163 	desc_set_defaults(irq, desc, node, owner);  in alloc_desc()
174 static void free_desc(unsigned int irq)  in free_desc()  argument
176 	struct irq_desc *desc = irq_to_desc(irq);  in free_desc()
178 	unregister_irq_proc(irq, desc);  in free_desc()
187 	delete_irq_desc(irq);  in free_desc()
289 struct irq_desc *irq_to_desc(unsigned int irq)  in irq_to_desc()  argument
291 	return (irq < NR_IRQS) ? irq_desc + irq : NULL;  in irq_to_desc()
295 static void free_desc(unsigned int irq)  in free_desc()  argument
297 	struct irq_desc *desc = irq_to_desc(irq);  in free_desc()
301 	desc_set_defaults(irq, desc, irq_desc_get_node(desc), NULL);  in free_desc()
323 void irq_mark_irq(unsigned int irq)  in irq_mark_irq()  argument
326 	bitmap_set(allocated_irqs, irq, 1);  in irq_mark_irq()
331 void irq_init_desc(unsigned int irq)  in irq_init_desc()  argument
333 	free_desc(irq);  in irq_init_desc()
344 int generic_handle_irq(unsigned int irq)  in generic_handle_irq()  argument
346 	struct irq_desc *desc = irq_to_desc(irq);  in generic_handle_irq()
369 	unsigned int irq = hwirq;  in __handle_domain_irq()  local
376 		irq = irq_find_mapping(domain, hwirq);  in __handle_domain_irq()
383 	if (unlikely(!irq || irq >= nr_irqs)) {  in __handle_domain_irq()
384 		ack_bad_irq(irq);  in __handle_domain_irq()
387 		generic_handle_irq(irq);  in __handle_domain_irq()
430 __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,  in __irq_alloc_descs()  argument
438 	if (irq >= 0) {  in __irq_alloc_descs()
439 		if (from > irq)  in __irq_alloc_descs()
441 		from = irq;  in __irq_alloc_descs()
456 	if (irq >=0 && start != irq)  in __irq_alloc_descs()
485 	int i, irq = __irq_alloc_descs(-1, 0, cnt, node, NULL);  in irq_alloc_hwirqs()  local
487 	if (irq < 0)  in irq_alloc_hwirqs()
490 	for (i = irq; cnt > 0; i++, cnt--) {  in irq_alloc_hwirqs()
495 	return irq;  in irq_alloc_hwirqs()
498 	for (i--; i >= irq; i--) {  in irq_alloc_hwirqs()
502 	irq_free_descs(irq, cnt);  in irq_alloc_hwirqs()
538 __irq_get_desc_lock(unsigned int irq, unsigned long *flags, bool bus,  in __irq_get_desc_lock()  argument
541 	struct irq_desc *desc = irq_to_desc(irq);  in __irq_get_desc_lock()
568 int irq_set_percpu_devid(unsigned int irq)  in irq_set_percpu_devid()  argument
570 	struct irq_desc *desc = irq_to_desc(irq);  in irq_set_percpu_devid()
583 	irq_set_percpu_devid_flags(irq);  in irq_set_percpu_devid()
587 void kstat_incr_irq_this_cpu(unsigned int irq)  in kstat_incr_irq_this_cpu()  argument
589 	kstat_incr_irqs_this_cpu(irq_to_desc(irq));  in kstat_incr_irq_this_cpu()
601 unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)  in kstat_irqs_cpu()  argument
603 	struct irq_desc *desc = irq_to_desc(irq);  in kstat_irqs_cpu()
617 unsigned int kstat_irqs(unsigned int irq)  in kstat_irqs()  argument
619 	struct irq_desc *desc = irq_to_desc(irq);  in kstat_irqs()
639 unsigned int kstat_irqs_usr(unsigned int irq)  in kstat_irqs_usr()  argument
644 	sum = kstat_irqs(irq);  in kstat_irqs_usr()