genirq: use iterators for irq_desc loops

[linux-2.6-omap-h63xx.git] / drivers / xen / events.c

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index e6d47e8ca1ac31374bc48a63ad84d3ddf86a36fd..9ce1ab6c268d7e0c23d2223cc09b74ababae1b7f 100644 (file)
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -137,14 +137,12 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
 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 @@ static int find_unbound_irq(void)
        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 @@ void xen_irq_resume(void)
                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 @@ void __init xen_init_IRQ(void)
                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());