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genirq: Add chip flag for restricting cpu_on/offline calls

Sfoglia il codice sorgente 
Add a flag which indicates that the on/offline callback should only be
called on enabled interrupts.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2011-03-27 16:05:36 +02:00
parent 0fdb4b259e
commit b3d422329f
2 ha cambiato i file con 9 aggiunte e 4 eliminazioni
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10
kernel/irq/chip.c
Vedi File

@@ -718,8 +718,9 @@ void irq_cpu_online(void)
raw_spin_lock_irqsave(&desc->lock, flags);
chip = irq_data_get_irq_chip(&desc->irq_data);
if (chip && chip->irq_cpu_online)
if (chip && chip->irq_cpu_online &&
(!(chip->flags & IRQCHIP_ONOFFLINE_ENABLED) ||
!(desc->istate & IRQS_DISABLED)))
chip->irq_cpu_online(&desc->irq_data);
raw_spin_unlock_irqrestore(&desc->lock, flags);
@@ -747,8 +748,9 @@ void irq_cpu_offline(void)
raw_spin_lock_irqsave(&desc->lock, flags);
chip = irq_data_get_irq_chip(&desc->irq_data);
if (chip && chip->irq_cpu_offline)
if (chip && chip->irq_cpu_offline &&
(!(chip->flags & IRQCHIP_ONOFFLINE_ENABLED) ||
!(desc->istate & IRQS_DISABLED)))
chip->irq_cpu_offline(&desc->irq_data);
raw_spin_unlock_irqrestore(&desc->lock, flags);