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authorThomas Gleixner <tglx@linutronix.de>2009-11-17 10:46:45 -0500
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 17:55:33 -0500
commit239007b8440abff689632f50cdf0f2b9e895b534 (patch)
tree569cab843af4a999d6d868ec9a824530d2bfa733 /kernel/irq/pm.c
parent9f5a5621e78cf48d86682a71ceb3fcdbde38b222 (diff)
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 a0bb09e79867..0d4005d85b03 100644
--- a/kernel/irq/pm.c
+++ b/kernel/irq/pm.c
@@ -28,9 +28,9 @@ void suspend_device_irqs(void)
28 for_each_irq_desc(irq, desc) { 28 for_each_irq_desc(irq, desc) {
29 unsigned long flags; 29 unsigned long flags;
30 30
31 spin_lock_irqsave(&desc->lock, flags); 31 raw_spin_lock_irqsave(&desc->lock, flags);
32 __disable_irq(desc, irq, true); 32 __disable_irq(desc, irq, true);
33 spin_unlock_irqrestore(&desc->lock, flags); 33 raw_spin_unlock_irqrestore(&desc->lock, flags);
34 } 34 }
35 35
36 for_each_irq_desc(irq, desc) 36 for_each_irq_desc(irq, desc)
@@ -56,9 +56,9 @@ void resume_device_irqs(void)
56 if (!(desc->status & IRQ_SUSPENDED)) 56 if (!(desc->status & IRQ_SUSPENDED))
57 continue; 57 continue;
58 58
59 spin_lock_irqsave(&desc->lock, flags); 59 raw_spin_lock_irqsave(&desc->lock, flags);
60 __enable_irq(desc, irq, true); 60 __enable_irq(desc, irq, true);
61 spin_unlock_irqrestore(&desc->lock, flags); 61 raw_spin_unlock_irqrestore(&desc->lock, flags);
62 } 62 }
63} 63}
64EXPORT_SYMBOL_GPL(resume_device_irqs); 64EXPORT_SYMBOL_GPL(resume_device_irqs);