Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.9 / 433abcdf321322495d83c8b571bdf7134622c734 / . / include / linux / irqnr.h
blob: ec87b212ff7d03c446bc16b0429baeb86c5d645c [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
26extern int nr_irqs;
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]27extern struct irq_desc *irq_to_desc(unsigned int irq);
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]28
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]29# define for_each_irq_desc(irq, desc) \
30 for (irq = 0, desc = irq_to_desc(irq); irq < nr_irqs; \
KOSAKI Motohiro18eefed2008-12-26 12:29:48 +0900[diff] [blame]31 irq++, desc = irq_to_desc(irq)) \
KOSAKI Motohiro01d07822009-01-04 03:11:05 +0900[diff] [blame]32 if (!desc) \
33 ; \
34 else
KOSAKI Motohiro18eefed2008-12-26 12:29:48 +0900[diff] [blame]35
36
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]37# define for_each_irq_desc_reverse(irq, desc) \
38 for (irq = nr_irqs - 1, desc = irq_to_desc(irq); irq >= 0; \
KOSAKI Motohiro18eefed2008-12-26 12:29:48 +0900[diff] [blame]39 irq--, desc = irq_to_desc(irq)) \
KOSAKI Motohiro01d07822009-01-04 03:11:05 +0900[diff] [blame]40 if (!desc) \
41 ; \
42 else
Yinghai Lu240d3672008-12-08 14:06:17 -0800[diff] [blame]43
KOSAKI Motohirof9af0e72008-12-26 12:24:24 +0900[diff] [blame]44#endif /* CONFIG_GENERIC_HARDIRQS */
Yinghai Lu240d3672008-12-08 14:06:17 -0800[diff] [blame]45
46#define for_each_irq_nr(irq) \
47 for (irq = 0; irq < nr_irqs; irq++)
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]48
Ingo Molnar0ebb26e2008-12-12 11:26:39 +0100[diff] [blame]49#endif /* __KERNEL__ */
50
Thomas Gleixnerdd3a1db2008-10-16 18:20:58 +0200[diff] [blame]51#endif