include/linux/irqnr.h

   1 #ifndef _LINUX_IRQNR_H
   2 #define _LINUX_IRQNR_H
   3
   4 #ifndef CONFIG_GENERIC_HARDIRQS
   5 #include <asm/irq.h>
   6 # define nr_irqs                NR_IRQS
   7
   8 # define for_each_irq_desc(irq, desc)           \
   9         for (irq = 0; irq < nr_irqs; irq++)
  10 #else
  11 extern int nr_irqs;
  12
  13 # define for_each_irq_desc(irq, desc)           \
  14         for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
  15
  16 # define for_each_irq_desc_reverse(irq, desc)                           \
  17         for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
  18              irq >= 0; irq--, desc--)
  19 #endif
  20
  21 #define for_each_irq_nr(irq)                    \
  22         for (irq = 0; irq < nr_irqs; irq++)
  23
  24 #endif