linux/include/asm-arm/mach/irq.h
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   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
  13#include <linux/irq.h>
  14
  15struct seq_file;
  16
  17/*
  18 * This is internal.  Do not use it.
  19 */
  20extern void (*init_arch_irq)(void);
  21extern void init_FIQ(void);
  22extern int show_fiq_list(struct seq_file *, void *);
  23
  24/*
  25 * Function wrappers
  26 */
  27#define set_irq_chipdata(irq, d)        set_irq_chip_data(irq, d)
  28#define get_irq_chipdata(irq)           get_irq_chip_data(irq)
  29
  30/*
  31 * Obsolete inline function for calling irq descriptor handlers.
  32 */
  33static inline void desc_handle_irq(unsigned int irq, struct irq_desc *desc)
  34{
  35        desc->handle_irq(irq, desc);
  36}
  37
  38void set_irq_flags(unsigned int irq, unsigned int flags);
  39
  40#define IRQF_VALID      (1 << 0)
  41#define IRQF_PROBE      (1 << 1)
  42#define IRQF_NOAUTOEN   (1 << 2)
  43
  44/*
  45 * This is for easy migration, but should be changed in the source
  46 */
  47#define do_level_IRQ    handle_level_irq
  48#define do_edge_IRQ     handle_edge_irq
  49#define do_simple_IRQ   handle_simple_irq
  50#define irqdesc         irq_desc
  51#define irqchip         irq_chip
  52
  53#define do_bad_IRQ(irq,desc)                            \
  54do {                                                    \
  55        spin_lock(&desc->lock);                         \
  56        handle_bad_irq(irq, desc);                      \
  57        spin_unlock(&desc->lock);                       \
  58} while(0)
  59
  60extern unsigned long irq_err_count;
  61static inline void ack_bad_irq(int irq)
  62{
  63        irq_err_count++;
  64}
  65
  66#endif
  67
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