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genirq: Add single IRQ reservation helper 

For cases that wish to reserve a single IRQ at a given place simply
provide a wrapper in to the ranged reservation routine.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
LKML-Reference: <20101026071912.GD4733@linux-sh.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Paul Mundt 2010-10-26 16:19:13 +09:00 committed by Thomas Gleixner
parent 2656c36699
commit 639bd12f77
1 changed files with 5 additions and 0 deletions
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5
include/linux/irq.h
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@ -412,6 +412,11 @@ static inline void irq_free_desc(unsigned int irq)
irq_free_descs(irq, 1);
}
static inline int irq_reserve_irq(unsigned int irq)
{
return irq_reserve_irqs(irq, 1);
}
#endif /* CONFIG_GENERIC_HARDIRQS */
#endif /* !CONFIG_S390 */