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>
diff --git a/include/linux/irq.h b/include/linux/irq.h
index e963911..abde252 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -412,6 +412,11 @@
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 */