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authorThomas Gleixner <tglx@linutronix.de>2009-11-17 16:46:45 +0100
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 23:55:33 +0100
commit239007b8440abff689632f50cdf0f2b9e895b534 (patch)
tree569cab843af4a999d6d868ec9a824530d2bfa733 /kernel/irq/pm.c
parent9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (diff)
downloadop-kernel-dev-239007b8440abff689632f50cdf0f2b9e895b534.zip
op-kernel-dev-239007b8440abff689632f50cdf0f2b9e895b534.tar.gz
genirq: Convert irq_desc.lock to raw_spinlock
Convert locks which cannot be sleeping locks in preempt-rt to raw_spinlocks. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq/pm.c')
-rw-r--r--kernel/irq/pm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c
index a0bb09e..0d4005d8 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -28,9 +28,9 @@ void suspend_device_irqs(void)
for_each_irq_desc(irq, desc) {
unsigned long flags;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
__disable_irq(desc, irq, true);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
for_each_irq_desc(irq, desc)
@@ -56,9 +56,9 @@ void resume_device_irqs(void)
if (!(desc->status & IRQ_SUSPENDED))
continue;
- spin_lock_irqsave(&desc->lock, flags);
+ raw_spin_lock_irqsave(&desc->lock, flags);
__enable_irq(desc, irq, true);
- spin_unlock_irqrestore(&desc->lock, flags);
+ raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
EXPORT_SYMBOL_GPL(resume_device_irqs);
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