Failed Exynos "Music Bug" fix attempt.

irq.c.patch

--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -134,18 +134,15 @@ int __init arch_probe_nr_irqs(void)
 static bool migrate_one_irq(struct irq_data *d)
 {
        unsigned int cpu = cpumask_any_and(d->affinity, cpu_online_mask);
-       bool ret = false;
 
-       if (cpu >= nr_cpu_ids) {
-               cpu = cpumask_any(cpu_online_mask);
-               ret = true;
-       }
+       if (cpu >= nr_cpu_ids)
+               return true;
 
        pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", d->irq, d->node, cpu);
 
        d->chip->irq_set_affinity(d, cpumask_of(cpu), true);
 
-       return ret;
+       return false;
 }
 
 /*
@@ -178,7 +175,7 @@ void migrate_irqs(void)
                raw_spin_unlock(&desc->lock);
 
                if (affinity_broken && printk_ratelimit())
-                       pr_warning("IRQ%u no longer affine to CPU%u\n", i, cpu);
+                       pr_warning("IRQ%u kept on offline CPU%u\n", i, cpu);
        }
 
        local_irq_restore(flags);