Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * IRQ subsystem internal functions and variables: | |
3 | */ | |
4 | ||
5 | extern int noirqdebug; | |
6 | ||
6a6de9ef TG |
7 | /* Set default functions for irq_chip structures: */ |
8 | extern void irq_chip_set_defaults(struct irq_chip *chip); | |
9 | ||
10 | /* Set default handler: */ | |
11 | extern void compat_irq_chip_set_default_handler(struct irq_desc *desc); | |
12 | ||
0c5d1eb7 DB |
13 | extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, |
14 | unsigned long flags); | |
15 | ||
48a1b10a YL |
16 | extern struct lock_class_key irq_desc_lock_class; |
17 | extern void init_kstat_irqs(struct irq_desc *desc, int cpu, int nr); | |
18 | extern spinlock_t sparse_irq_lock; | |
19 | extern struct irq_desc *irq_desc_ptrs[NR_IRQS]; | |
20 | ||
1da177e4 | 21 | #ifdef CONFIG_PROC_FS |
2c6927a3 | 22 | extern void register_irq_proc(unsigned int irq, struct irq_desc *desc); |
1da177e4 LT |
23 | extern void register_handler_proc(unsigned int irq, struct irqaction *action); |
24 | extern void unregister_handler_proc(unsigned int irq, struct irqaction *action); | |
25 | #else | |
2c6927a3 | 26 | static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { } |
1da177e4 LT |
27 | static inline void register_handler_proc(unsigned int irq, |
28 | struct irqaction *action) { } | |
29 | static inline void unregister_handler_proc(unsigned int irq, | |
30 | struct irqaction *action) { } | |
31 | #endif | |
32 | ||
f6d87f4b TG |
33 | extern int irq_select_affinity_usr(unsigned int irq); |
34 | ||
43f77759 IM |
35 | /* |
36 | * Debugging printout: | |
37 | */ | |
38 | ||
39 | #include <linux/kallsyms.h> | |
40 | ||
41 | #define P(f) if (desc->status & f) printk("%14s set\n", #f) | |
42 | ||
43 | static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc) | |
44 | { | |
45 | printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n", | |
46 | irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled); | |
47 | printk("->handle_irq(): %p, ", desc->handle_irq); | |
48 | print_symbol("%s\n", (unsigned long)desc->handle_irq); | |
49 | printk("->chip(): %p, ", desc->chip); | |
50 | print_symbol("%s\n", (unsigned long)desc->chip); | |
51 | printk("->action(): %p\n", desc->action); | |
52 | if (desc->action) { | |
53 | printk("->action->handler(): %p, ", desc->action->handler); | |
54 | print_symbol("%s\n", (unsigned long)desc->action->handler); | |
55 | } | |
56 | ||
57 | P(IRQ_INPROGRESS); | |
58 | P(IRQ_DISABLED); | |
59 | P(IRQ_PENDING); | |
60 | P(IRQ_REPLAY); | |
61 | P(IRQ_AUTODETECT); | |
62 | P(IRQ_WAITING); | |
63 | P(IRQ_LEVEL); | |
64 | P(IRQ_MASKED); | |
65 | #ifdef CONFIG_IRQ_PER_CPU | |
66 | P(IRQ_PER_CPU); | |
67 | #endif | |
68 | P(IRQ_NOPROBE); | |
69 | P(IRQ_NOREQUEST); | |
70 | P(IRQ_NOAUTOEN); | |
71 | } | |
72 | ||
73 | #undef P | |
74 |