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genirq: Mark wakeup sources as armed on suspend

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This allows us to utilize this information in the irq_may_run() check
without adding another conditional to the fast path.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Thomas Gleixner
2014-08-29 13:54:09 +02:00
committed by Rafael J. Wysocki
parent c7bd3ec053
commit b76f16748f
2 changed files with 13 additions and 0 deletions
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5
kernel/irq/pm.c
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@@ -54,6 +54,9 @@ static bool suspend_device_irq(struct irq_desc *desc, int irq)
if (!desc->action || desc->no_suspend_depth)
return false;
if (irqd_is_wakeup_set(&desc->irq_data))
irqd_set(&desc->irq_data, IRQD_WAKEUP_ARMED);
desc->istate |= IRQS_SUSPENDED;
__disable_irq(desc, irq);
@@ -101,6 +104,8 @@ EXPORT_SYMBOL_GPL(suspend_device_irqs);
static void resume_irq(struct irq_desc *desc, int irq)
{
irqd_clear(&desc->irq_data, IRQD_WAKEUP_ARMED);
if (desc->istate & IRQS_SUSPENDED)
goto resume;