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-rw-r--r--kernel/irq/internals.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index 46feba630266..08a849a22447 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -4,6 +4,12 @@
4 4
5extern int noirqdebug; 5extern int noirqdebug;
6 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
7#ifdef CONFIG_PROC_FS 13#ifdef CONFIG_PROC_FS
8extern void register_irq_proc(unsigned int irq); 14extern void register_irq_proc(unsigned int irq);
9extern void register_handler_proc(unsigned int irq, struct irqaction *action); 15extern void register_handler_proc(unsigned int irq, struct irqaction *action);
@@ -16,3 +22,43 @@ static inline void unregister_handler_proc(unsigned int irq,
16 struct irqaction *action) { } 22 struct irqaction *action) { }
17#endif 23#endif
18 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