sh: fix up cpu hotplug IRQ migration for irq_data changes.
Paul Mundt [Thu, 28 Oct 2010 02:33:21 +0000 (11:33 +0900)]
This fixes up the __cpu_disable() path's IRQ migration for the
irq_data changes.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/kernel/irq.c

index 995301a..68ecbe6 100644 (file)
@@ -296,13 +296,16 @@ int __init arch_probe_nr_irqs(void)
 #endif
 
 #ifdef CONFIG_HOTPLUG_CPU
-static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
+static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu)
 {
+       struct irq_desc *desc = irq_to_desc(irq);
+       struct irq_chip *chip = irq_data_get_irq_chip(data);
+
        printk(KERN_INFO "IRQ%u: moving from cpu%u to cpu%u\n",
-              irq, desc->node, cpu);
+              irq, data->node, cpu);
 
        raw_spin_lock_irq(&desc->lock);
-       desc->chip->set_affinity(irq, cpumask_of(cpu));
+       chip->irq_set_affinity(data, cpumask_of(cpu), false);
        raw_spin_unlock_irq(&desc->lock);
 }
 
@@ -313,24 +316,25 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
  */
 void migrate_irqs(void)
 {
-       struct irq_desc *desc;
        unsigned int irq, cpu = smp_processor_id();
 
-       for_each_irq_desc(irq, desc) {
-               if (desc->node == cpu) {
-                       unsigned int newcpu = cpumask_any_and(desc->affinity,
+       for_each_active_irq(irq) {
+               struct irq_data *data = irq_get_irq_data(irq);
+
+               if (data->node == cpu) {
+                       unsigned int newcpu = cpumask_any_and(data->affinity,
                                                              cpu_online_mask);
                        if (newcpu >= nr_cpu_ids) {
                                if (printk_ratelimit())
                                        printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
                                               irq, cpu);
 
-                               cpumask_setall(desc->affinity);
-                               newcpu = cpumask_any_and(desc->affinity,
+                               cpumask_setall(data->affinity);
+                               newcpu = cpumask_any_and(data->affinity,
                                                         cpu_online_mask);
                        }
 
-                       route_irq(desc, irq, newcpu);
+                       route_irq(data, irq, newcpu);
                }
        }
 }