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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 12:02:01 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-15 12:02:01 -0500
commit8f0ddf91f2aeb09602373e400cf8b403e9017210 (patch)
treeb907c35c79caadafff6ad46a91614e30afd2f967 /arch/arm/kernel/irq.c
parent050cbb09dac0402672edeaeac06094ef8ff1749a (diff)
parentb5f91da0a6973bb6f9ff3b91b0e92c0773a458f3 (diff)
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (26 commits) clockevents: Convert to raw_spinlock clockevents: Make tick_device_lock static debugobjects: Convert to raw_spinlocks perf_event: Convert to raw_spinlock hrtimers: Convert to raw_spinlocks genirq: Convert irq_desc.lock to raw_spinlock smp: Convert smplocks to raw_spinlocks rtmutes: Convert rtmutex.lock to raw_spinlock sched: Convert pi_lock to raw_spinlock sched: Convert cpupri lock to raw_spinlock sched: Convert rt_runtime_lock to raw_spinlock sched: Convert rq->lock to raw_spinlock plist: Make plist debugging raw_spinlock aware bkl: Fixup core_lock fallout locking: Cleanup the name space completely locking: Further name space cleanups alpha: Fix fallout from locking changes locking: Implement new raw_spinlock locking: Convert raw_rwlock functions to arch_rwlock locking: Convert raw_rwlock to arch_rwlock ...
Diffstat (limited to 'arch/arm/kernel/irq.c')
-rw-r--r--arch/arm/kernel/irq.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index c9a8619f3856..b7cb45bb91e8 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -69,7 +69,7 @@ int show_interrupts(struct seq_file *p, void *v)
69 } 69 }
70 70
71 if (i < NR_IRQS) { 71 if (i < NR_IRQS) {
72 spin_lock_irqsave(&irq_desc[i].lock, flags); 72 raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
73 action = irq_desc[i].action; 73 action = irq_desc[i].action;
74 if (!action) 74 if (!action)
75 goto unlock; 75 goto unlock;
@@ -84,7 +84,7 @@ int show_interrupts(struct seq_file *p, void *v)
84 84
85 seq_putc(p, '\n'); 85 seq_putc(p, '\n');
86unlock: 86unlock:
87 spin_unlock_irqrestore(&irq_desc[i].lock, flags); 87 raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
88 } else if (i == NR_IRQS) { 88 } else if (i == NR_IRQS) {
89#ifdef CONFIG_FIQ 89#ifdef CONFIG_FIQ
90 show_fiq_list(p, v); 90 show_fiq_list(p, v);
@@ -139,7 +139,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
139 } 139 }
140 140
141 desc = irq_desc + irq; 141 desc = irq_desc + irq;
142 spin_lock_irqsave(&desc->lock, flags); 142 raw_spin_lock_irqsave(&desc->lock, flags);
143 desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; 143 desc->status |= IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN;
144 if (iflags & IRQF_VALID) 144 if (iflags & IRQF_VALID)
145 desc->status &= ~IRQ_NOREQUEST; 145 desc->status &= ~IRQ_NOREQUEST;
@@ -147,7 +147,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
147 desc->status &= ~IRQ_NOPROBE; 147 desc->status &= ~IRQ_NOPROBE;
148 if (!(iflags & IRQF_NOAUTOEN)) 148 if (!(iflags & IRQF_NOAUTOEN))
149 desc->status &= ~IRQ_NOAUTOEN; 149 desc->status &= ~IRQ_NOAUTOEN;
150 spin_unlock_irqrestore(&desc->lock, flags); 150 raw_spin_unlock_irqrestore(&desc->lock, flags);
151} 151}
152 152
153void __init init_IRQ(void) 153void __init init_IRQ(void)
@@ -166,9 +166,9 @@ static void route_irq(struct irq_desc *desc, unsigned int irq, unsigned int cpu)
166{ 166{
167 pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu); 167 pr_debug("IRQ%u: moving from cpu%u to cpu%u\n", irq, desc->node, cpu);
168 168
169 spin_lock_irq(&desc->lock); 169 raw_spin_lock_irq(&desc->lock);
170 desc->chip->set_affinity(irq, cpumask_of(cpu)); 170 desc->chip->set_affinity(irq, cpumask_of(cpu));
171 spin_unlock_irq(&desc->lock); 171 raw_spin_unlock_irq(&desc->lock);
172} 172}
173 173
174/* 174/*