1 /* 2 * IRQ subsystem internal functions and variables: 3 */ 4 5 extern int noirqdebug; 6 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 13 extern int __irq_set_trigger(struct irq_desc *desc, unsigned int irq, 14 unsigned long flags); 15 16 #ifdef CONFIG_PROC_FS 17 extern void register_irq_proc(unsigned int irq, struct irq_desc *desc); 18 extern void register_handler_proc(unsigned int irq, struct irqaction *action); 19 extern void unregister_handler_proc(unsigned int irq, struct irqaction *action); 20 #else 21 static inline void register_irq_proc(unsigned int irq, struct irq_desc *desc) { } 22 static inline void register_handler_proc(unsigned int irq, 23 struct irqaction *action) { } 24 static inline void unregister_handler_proc(unsigned int irq, 25 struct irqaction *action) { } 26 #endif 27 28 extern int irq_select_affinity_usr(unsigned int irq); 29 30 /* 31 * Debugging printout: 32 */ 33 34 #include <linux/kallsyms.h> 35 36 #define P(f) if (desc->status & f) printk("%14s set\n", #f) 37 38 static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc) 39 { 40 printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n", 41 irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled); 42 printk("->handle_irq(): %p, ", desc->handle_irq); 43 print_symbol("%s\n", (unsigned long)desc->handle_irq); 44 printk("->chip(): %p, ", desc->chip); 45 print_symbol("%s\n", (unsigned long)desc->chip); 46 printk("->action(): %p\n", desc->action); 47 if (desc->action) { 48 printk("->action->handler(): %p, ", desc->action->handler); 49 print_symbol("%s\n", (unsigned long)desc->action->handler); 50 } 51 52 P(IRQ_INPROGRESS); 53 P(IRQ_DISABLED); 54 P(IRQ_PENDING); 55 P(IRQ_REPLAY); 56 P(IRQ_AUTODETECT); 57 P(IRQ_WAITING); 58 P(IRQ_LEVEL); 59 P(IRQ_MASKED); 60 #ifdef CONFIG_IRQ_PER_CPU 61 P(IRQ_PER_CPU); 62 #endif 63 P(IRQ_NOPROBE); 64 P(IRQ_NOREQUEST); 65 P(IRQ_NOAUTOEN); 66 } 67 68 #undef P 69 70