remarkable-linux/include/linux/irqnr.h
Thomas Gleixner 80c5520811 Merge branch 'cpus4096' into irq/threaded
Conflicts:
	arch/parisc/kernel/irq.c
	kernel/irq/handle.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2009-03-23 21:20:20 +01:00

52 lines
1.1 KiB
C

#ifndef _LINUX_IRQNR_H
#define _LINUX_IRQNR_H
/*
* Generic irq_desc iterators:
*/
#ifdef __KERNEL__
#ifndef CONFIG_GENERIC_HARDIRQS
#include <asm/irq.h>
/*
* Wrappers for non-genirq architectures:
*/
#define nr_irqs NR_IRQS
#define irq_to_desc(irq) (&irq_desc[irq])
# 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 /* CONFIG_GENERIC_HARDIRQS */
extern int nr_irqs;
extern struct irq_desc *irq_to_desc(unsigned int irq);
# 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
#endif /* CONFIG_GENERIC_HARDIRQS */
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#endif /* __KERNEL__ */
#endif