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authorThomas Gleixner <tglx@linutronix.de>2006-07-11 22:54:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-07-11 22:54:34 +0100
commitf7ede370a2aac96903d6e25f3b04345fa6d066f2 (patch)
treef5d19892fbc6d8fa235022b11b5f06828f59278d /arch/arm/kernel/irq.c
parentb94ea6c08d9f9ac5339b1c2025ce3ca87b007200 (diff)
[ARM] 3728/1: Restore missing CPU Hotplug irq helper
Patch from Thomas Gleixner From: Thomas Gleixner <tglx@linutronix.de> The genirq conversion of ARM lost a CPU Hotplug helper function. Restore it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/irq.c')
-rw-r--r--arch/arm/kernel/irq.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index c3d4e94ef5b..626feeec0ad 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -167,6 +167,16 @@ void __init init_IRQ(void)
}
#ifdef CONFIG_HOTPLUG_CPU
+
+static void route_irq(struct irqdesc *desc, unsigned int irq, unsigned int cpu)
+{
+ pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->cpu, cpu);
+
+ spin_lock_irq(&desc->lock);
+ desc->chip->set_affinity(irq, cpumask_of_cpu(cpu));
+ spin_unlock_irq(&desc->lock);
+}
+
/*
* The CPU has been marked offline. Migrate IRQs off this CPU. If
* the affinity settings do not allow other CPUs, force them onto any