1 /*
2 * Debugging printout:
3 */
4
5 #include <linux/kallsyms.h>
6
7 #define ___P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
8 #define ___PS(f) if (desc->istate & f) printk("%14s set\n", #f)
9 /* FIXME */
10 #define ___PD(f) do { } while (0)
11
print_irq_desc(unsigned int irq,struct irq_desc * desc)12 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
13 {
14 static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
15
16 if (!__ratelimit(&ratelimit))
17 return;
18
19 printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
20 irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
21 printk("->handle_irq(): %p, ", desc->handle_irq);
22 print_symbol("%s\n", (unsigned long)desc->handle_irq);
23 printk("->irq_data.chip(): %p, ", desc->irq_data.chip);
24 print_symbol("%s\n", (unsigned long)desc->irq_data.chip);
25 printk("->action(): %p\n", desc->action);
26 if (desc->action) {
27 printk("->action->handler(): %p, ", desc->action->handler);
28 print_symbol("%s\n", (unsigned long)desc->action->handler);
29 }
30
31 ___P(IRQ_LEVEL);
32 ___P(IRQ_PER_CPU);
33 ___P(IRQ_NOPROBE);
34 ___P(IRQ_NOREQUEST);
35 ___P(IRQ_NOTHREAD);
36 ___P(IRQ_NOAUTOEN);
37
38 ___PS(IRQS_AUTODETECT);
39 ___PS(IRQS_REPLAY);
40 ___PS(IRQS_WAITING);
41 ___PS(IRQS_PENDING);
42
43 ___PD(IRQS_INPROGRESS);
44 ___PD(IRQS_DISABLED);
45 ___PD(IRQS_MASKED);
46 }
47
48 #undef ___P
49 #undef ___PS
50 #undef ___PD
51