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sh: Use irq_set_affinity instead of homebrewn code

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There is no point in having an incomplete copy of irq_set_affinity()
for the hotplug irq migration code.

Use the core function instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: sh <linux-sh@vger.kernel.org>
Link: http://lkml.kernel.org/r/20140223212736.774961401@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2014-02-23 21:40:10 +00:00
parent 8f945a3325
commit 6decf1a33c
1 changed files with 1 additions and 17 deletions
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18
arch/sh/kernel/irq.c
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@ -217,19 +217,6 @@ void __init init_IRQ(void)
} }
#ifdef CONFIG_HOTPLUG_CPU #ifdef CONFIG_HOTPLUG_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, data->node, cpu);
raw_spin_lock_irq(&desc->lock);
chip->irq_set_affinity(data, cpumask_of(cpu), false);
raw_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
@ -250,11 +237,8 @@ void migrate_irqs(void)
irq, cpu); irq, cpu);
cpumask_setall(data->affinity); cpumask_setall(data->affinity);
newcpu = cpumask_any_and(data->affinity,
cpu_online_mask);
} }
irq_set_affinity(irq, data->affinity);
route_irq(data, irq, newcpu);
} }
} }
} }