irq.h 1.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354
  1. /*
  2. * linux/include/asm-arm/mach/irq.h
  3. *
  4. * Copyright (C) 1995-2000 Russell King.
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  9. */
  10. #ifndef __ASM_ARM_MACH_IRQ_H
  11. #define __ASM_ARM_MACH_IRQ_H
  12. #include <linux/irq.h>
  13. struct seq_file;
  14. /*
  15. * This is internal. Do not use it.
  16. */
  17. extern void (*init_arch_irq)(void);
  18. extern void init_FIQ(void);
  19. extern int show_fiq_list(struct seq_file *, void *);
  20. /*
  21. * Obsolete inline function for calling irq descriptor handlers.
  22. */
  23. static inline void desc_handle_irq(unsigned int irq, struct irq_desc *desc)
  24. {
  25. desc->handle_irq(irq, desc);
  26. }
  27. void set_irq_flags(unsigned int irq, unsigned int flags);
  28. #define IRQF_VALID (1 << 0)
  29. #define IRQF_PROBE (1 << 1)
  30. #define IRQF_NOAUTOEN (1 << 2)
  31. /*
  32. * This is for easy migration, but should be changed in the source
  33. */
  34. #define do_bad_IRQ(irq,desc) \
  35. do { \
  36. spin_lock(&desc->lock); \
  37. handle_bad_irq(irq, desc); \
  38. spin_unlock(&desc->lock); \
  39. } while(0)
  40. extern unsigned long irq_err_count;
  41. static inline void ack_bad_irq(int irq)
  42. {
  43. irq_err_count++;
  44. }
  45. #endif