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authorPaul Mundt <lethal@linux-sh.org>2010-10-28 11:33:21 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-10-28 11:33:21 +0900
commitfb41a49d96cd0fb6c63362ff1c8de22e9e7399af (patch)
tree06fa16331cc50fd1c7554b3df5a24dc9c00968bd /arch
parent7c842470f3ec7457585c277b9c5f535e94796f59 (diff)
sh: fix up cpu hotplug IRQ migration for irq_data changes.
This fixes up the __cpu_disable() path's IRQ migration for the irq_data changes. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/kernel/irq.c24
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
index 995301afa36..68ecbe6c881 100644
--- a/arch/sh/kernel/irq.c
+++ b/arch/sh/kernel/irq.c
@@ -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);
}
}
}