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gerrit-public.fairphone.software / kernel / msm-4.9 / 9332fccdedf8e09448f3b69b624211ae879f6c45 / . / include / linux / irqnr.h
blob: de66e4e1040650f5993421cbde33474387415513 [file] [log] [blame]
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]1#ifndef _LINUX_IRQNR_H
2#define _LINUX_IRQNR_H
3
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]4/*
5 * Generic irq_desc iterators:
6 */
7#ifdef __KERNEL__
8
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]9#ifndef CONFIG_GENERIC_HARDIRQS
10#include <asm/irq.h>
Ingo Molnarbe92d7a2009-01-05 14:34:42 +0100[diff] [blame]11
12/*
13 * Wrappers for non-genirq architectures:
14 */
15#define nr_irqs NR_IRQS
16#define irq_to_desc(irq) (&irq_desc[irq])
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]17
18# define for_each_irq_desc(irq, desc) \
19 for (irq = 0; irq < nr_irqs; irq++)
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]20
Yinghai Lu240d3672008-12-08 14:06:17 -0800[diff] [blame]21# define for_each_irq_desc_reverse(irq, desc) \
22 for (irq = nr_irqs - 1; irq >= 0; irq--)
Mike Travis9332fcc2009-01-10 22:24:07 -0800[diff] [blame^]23
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]24#else /* CONFIG_GENERIC_HARDIRQS */
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]25
Mike Travis9332fcc2009-01-10 22:24:07 -0800[diff] [blame^]26#include <asm/irq_vectors.h> /* need possible max_nr_irqs() */
27
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]28extern int nr_irqs;
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]29extern struct irq_desc *irq_to_desc(unsigned int irq);
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]30
Mike Travis9332fcc2009-01-10 22:24:07 -0800[diff] [blame^]31# ifndef max_nr_irqs
32# define max_nr_irqs(nr_cpus) NR_IRQS
33# endif
34
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]35# define for_each_irq_desc(irq, desc) \
36 for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
KOSAKI Motohiro18eefed2008-12-26 12:29:48 +0900[diff] [blame]37 irq++, desc = irq_to_desc(irq)) \
38 if (desc)
39
40
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]41# define for_each_irq_desc_reverse(irq, desc) \
42 for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \
KOSAKI Motohiro18eefed2008-12-26 12:29:48 +0900[diff] [blame]43 irq--, desc = irq_to_desc(irq)) \
44 if (desc)
Yinghai Lu240d3672008-12-08 14:06:17 -0800[diff] [blame]45
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]46#endif /* CONFIG_GENERIC_HARDIRQS */
Yinghai Lu240d3672008-12-08 14:06:17 -0800[diff] [blame]47
48#define for_each_irq_nr(irq) \
49 for (irq = 0; irq < nr_irqs; irq++)
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]50
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]51#endif /* __KERNEL__ */
52
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]53#endif