[deliverable/linux.git] / include / linux / irqnr.h

#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H

#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
# define nr_irqs		NR_IRQS

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

# define for_each_irq_desc_reverse(irq, desc)                          \
	for (irq = nr_irqs - 1; irq >= 0; irq--)
#else
#ifndef CONFIG_SPARSE_IRQ

struct irq_desc;
extern int nr_irqs;
# define for_each_irq_desc(irq, desc)		\
	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
# define for_each_irq_desc_reverse(irq, desc)                          \
	for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1);        \
	    irq >= 0; irq--, desc--)
#endif
#endif

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

#endif
Commit	Line	Data
dd3a1db9 TG	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++)
dd3a1db9	10
240d367b YL	11	# define for_each_irq_desc_reverse(irq, desc) \
	12	for (irq = nr_irqs - 1; irq >= 0; irq--)
	13	#else
	14	#ifndef CONFIG_SPARSE_IRQ
	15
	16	struct irq_desc;
	17	extern int nr_irqs;
	18	# define for_each_irq_desc(irq, desc) \
	19	for (irq = 0, desc = irq_desc; irq < nr_irqs; irq++, desc++)
	20	# define for_each_irq_desc_reverse(irq, desc) \
	21	for (irq = nr_irqs - 1, desc = irq_desc + (nr_irqs - 1); \
	22	irq >= 0; irq--, desc--)
dd3a1db9	23	#endif
240d367b YL	24	#endif
	25
	26	#define for_each_irq_nr(irq) \
	27	for (irq = 0; irq < nr_irqs; irq++)
dd3a1db9	28
dd3a1db9	29	#endif