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genirq: improve include files

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Move the irq_desc related iterators out of irq.h, into irqnr.h, also
available via interrupt.h.

This way non-genirq (and even non-hardirq) architectures get the
common definitions and iterators.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Thomas Gleixner 2008-10-16 18:20:58 +02:00 committed by Ingo Molnar
parent cc8e920aaf
commit dd3a1db900
3 changed files with 26 additions and 19 deletions
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1
include/linux/interrupt.h
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@ -8,6 +8,7 @@
#include <linux/preempt.h>
#include <linux/cpumask.h>
#include <linux/irqreturn.h>
#include <linux/irqnr.h>
#include <linux/hardirq.h>
#include <linux/sched.h>
#include <linux/irqflags.h>

20
include/linux/irq.h
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@ -11,25 +11,6 @@
#include <linux/smp.h>
#ifndef CONFIG_GENERIC_HARDIRQS
# define nr_irqs NR_IRQS
# define for_each_irq_desc(irq, desc) \
for (irq = 0; irq < nr_irqs; irq++)
#else
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
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#ifndef CONFIG_S390
#include <linux/linkage.h>
@ -37,6 +18,7 @@ extern int nr_irqs;
#include <linux/spinlock.h>
#include <linux/cpumask.h>
#include <linux/irqreturn.h>
#include <linux/irqnr.h>
#include <linux/errno.h>
#include <asm/irq.h>

24
include/linux/irqnr.h Normal file
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@ -0,0 +1,24 @@
#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++)
#else
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
#define for_each_irq_nr(irq) \
for (irq = 0; irq < nr_irqs; irq++)
#endif