root/arch/arm/include/asm/irq.h

INCLUDED FROM

DEFINITIONS

1. nr_legacy_irqs

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_ARM_IRQ_H
   3 #define __ASM_ARM_IRQ_H
   4 
   5 #define NR_IRQS_LEGACY  16
   6 
   7 #ifndef CONFIG_SPARSE_IRQ
   8 #include <mach/irqs.h>
   9 #else
  10 #define NR_IRQS NR_IRQS_LEGACY
  11 #endif
  12 
  13 #ifndef irq_canonicalize
  14 #define irq_canonicalize(i)     (i)
  15 #endif
  16 
  17 /*
  18  * Use this value to indicate lack of interrupt
  19  * capability
  20  */
  21 #ifndef NO_IRQ
  22 #define NO_IRQ  ((unsigned int)(-1))
  23 #endif
  24 
  25 #ifndef __ASSEMBLY__
  26 struct irqaction;
  27 struct pt_regs;
  28 
  29 extern void asm_do_IRQ(unsigned int, struct pt_regs *);
  30 void handle_IRQ(unsigned int, struct pt_regs *);
  31 void init_IRQ(void);
  32 
  33 #ifdef CONFIG_SMP
  34 extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask,
  35                                            bool exclude_self);
  36 #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
  37 #endif
  38 
  39 static inline int nr_legacy_irqs(void)
  40 {
  41         return NR_IRQS_LEGACY;
  42 }
  43 
  44 #endif
  45 
  46 #endif
  47