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>
git-mirror · Oct 26, 2010 · 639bd12 · 639bd12
1 parent 2656c36
commit 639bd12
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/include/linux/irq.h b/include/linux/irq.h
@@ -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 */