diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2006-07-11 22:54:34 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2006-07-11 22:54:34 +0100 |
| commit | f7ede370a2aac96903d6e25f3b04345fa6d066f2 (patch) | |
| tree | f5d19892fbc6d8fa235022b11b5f06828f59278d /arch/arm | |
| parent | [ARM] 3727/1: fix ucb initialization on collie (diff) | |
| download | linux-dev-f7ede370a2aac96903d6e25f3b04345fa6d066f2.tar.xz linux-dev-f7ede370a2aac96903d6e25f3b04345fa6d066f2.zip | |
[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')
| -rw-r--r-- | arch/arm/kernel/irq.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index c3d4e94ef5bf..626feeec0ade 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 |