genirq: use iterators for irq_desc loops
Use for_each_irq_desc[_reverse] for all the iteration loops.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index e6d47e8..9ce1ab6 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -137,14 +137,12 @@
static void init_evtchn_cpu_bindings(void)
{
#ifdef CONFIG_SMP
+ struct irq_desc *desc;
int i;
+
/* By default all event channels notify CPU#0. */
- for (i = 0; i < nr_irqs; i++) {
- struct irq_desc *desc = irq_to_desc(i);
- if (!desc)
- continue;
+ for_each_irq_desc(i, desc)
desc->affinity = cpumask_of_cpu(0);
- }
#endif
memset(cpu_evtchn, 0, sizeof(cpu_evtchn));
@@ -233,7 +231,7 @@
int irq;
/* Only allocate from dynirq range */
- for (irq = 0; irq < nr_irqs; irq++)
+ for_each_irq_nr(irq)
if (irq_bindcount[irq] == 0)
break;
@@ -794,7 +792,7 @@
mask_evtchn(evtchn);
/* No IRQ <-> event-channel mappings. */
- for (irq = 0; irq < nr_irqs; irq++)
+ for_each_irq_nr(irq)
irq_info[irq].evtchn = 0; /* zap event-channel binding */
for (evtchn = 0; evtchn < NR_EVENT_CHANNELS; evtchn++)
@@ -826,7 +824,7 @@
mask_evtchn(i);
/* Dynamic IRQ space is currently unbound. Zero the refcnts. */
- for (i = 0; i < nr_irqs; i++)
+ for_each_irq_nr(i)
irq_bindcount[i] = 0;
irq_ctx_init(smp_processor_id());