Commit f7ede370 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Russell King

[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: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent b94ea6c0
...@@ -167,6 +167,16 @@ void __init init_IRQ(void) ...@@ -167,6 +167,16 @@ void __init init_IRQ(void)
} }
#ifdef CONFIG_HOTPLUG_CPU #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 CPU has been marked offline. Migrate IRQs off this CPU. If
* the affinity settings do not allow other CPUs, force them onto any * the affinity settings do not allow other CPUs, force them onto any
......
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