1/*
2 * IRQ subsystem internal functions and variables:
3 */
4
5extern int noirqdebug;
6
7/* Set default functions for irq_chip structures: */
8extern void irq_chip_set_defaults(struct irq_chip *chip);
9
10/* Set default handler: */
11extern void compat_irq_chip_set_default_handler(struct irq_desc *desc);
12
13#ifdef CONFIG_PROC_FS
14extern void register_irq_proc(unsigned int irq);
15extern void register_handler_proc(unsigned int irq, struct irqaction *action);
16extern void unregister_handler_proc(unsigned int irq, struct irqaction *action);
17#else
18static inline void register_irq_proc(unsigned int irq) { }
19static inline void register_handler_proc(unsigned int irq,
20					 struct irqaction *action) { }
21static inline void unregister_handler_proc(unsigned int irq,
22					   struct irqaction *action) { }
23#endif
24
25/*
26 * Debugging printout:
27 */
28
29#include <linux/kallsyms.h>
30
31#define P(f) if (desc->status & f) printk("%14s set\n", #f)
32
33static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
34{
35	printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
36		irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
37	printk("->handle_irq():  %p, ", desc->handle_irq);
38	print_symbol("%s\n", (unsigned long)desc->handle_irq);
39	printk("->chip(): %p, ", desc->chip);
40	print_symbol("%s\n", (unsigned long)desc->chip);
41	printk("->action(): %p\n", desc->action);
42	if (desc->action) {
43		printk("->action->handler(): %p, ", desc->action->handler);
44		print_symbol("%s\n", (unsigned long)desc->action->handler);
45	}
46
47	P(IRQ_INPROGRESS);
48	P(IRQ_DISABLED);
49	P(IRQ_PENDING);
50	P(IRQ_REPLAY);
51	P(IRQ_AUTODETECT);
52	P(IRQ_WAITING);
53	P(IRQ_LEVEL);
54	P(IRQ_MASKED);
55#ifdef CONFIG_IRQ_PER_CPU
56	P(IRQ_PER_CPU);
57#endif
58	P(IRQ_NOPROBE);
59	P(IRQ_NOREQUEST);
60	P(IRQ_NOAUTOEN);
61}
62
63#undef P
64