root/include/linux/irqnr.h

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INCLUDED FROM

#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H

#include <uapi/linux/irqnr.h>


extern int nr_irqs;
extern struct irq_desc *irq_to_desc(unsigned int irq);
unsigned int irq_get_next_irq(unsigned int offset);

# define for_each_irq_desc(irq, desc)                                   \
        for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs;           \
             irq++, desc = irq_to_desc(irq))                            \
                if (!desc)                                              \
                        ;                                               \
                else


# define for_each_irq_desc_reverse(irq, desc)                           \
        for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0;      \
             irq--, desc = irq_to_desc(irq))                            \
                if (!desc)                                              \
                        ;                                               \
                else

#ifdef CONFIG_SMP
#define irq_node(irq)   (irq_get_irq_data(irq)->node)
#else
#define irq_node(irq)   0
#endif

# define for_each_active_irq(irq)                       \
        for (irq = irq_get_next_irq(0); irq < nr_irqs;  \
             irq = irq_get_next_irq(irq + 1))

#define for_each_irq_nr(irq)                   \
       for (irq = 0; irq < nr_irqs; irq++)

#endif
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