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| author | Ingo Molnar <mingo@elte.hu> | 2010-11-18 13:22:14 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-11-18 13:22:26 +0100 |
| commit | 92fd4d4d67b945c0766416284d4ab236b31542c4 (patch) | |
| tree | 00b8b5f90748f752ccaba3dddbe271091d93543a /kernel/irq | |
| parent | fe7de49f9d4e53f24ec9ef762a503f70b562341c (diff) | |
| parent | e53beacd23d9cb47590da6a7a7f6d417b941a994 (diff) | |
| download | blackbird-op-linux-92fd4d4d67b945c0766416284d4ab236b31542c4.tar.gz blackbird-op-linux-92fd4d4d67b945c0766416284d4ab236b31542c4.zip | |
Merge commit 'v2.6.37-rc2' into sched/core
Merge reason: Move to a .37-rc base.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/irqdesc.c | 15 | ||||
| -rw-r--r-- | kernel/irq/manage.c | 4 |
2 files changed, 19 insertions, 0 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 9d917ff72675..9988d03797f5 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -393,3 +393,18 @@ unsigned int kstat_irqs_cpu(unsigned int irq, int cpu) struct irq_desc *desc = irq_to_desc(irq); return desc ? desc->kstat_irqs[cpu] : 0; } + +#ifdef CONFIG_GENERIC_HARDIRQS +unsigned int kstat_irqs(unsigned int irq) +{ + struct irq_desc *desc = irq_to_desc(irq); + int cpu; + int sum = 0; + + if (!desc) + return 0; + for_each_possible_cpu(cpu) + sum += desc->kstat_irqs[cpu]; + return sum; +} +#endif /* CONFIG_GENERIC_HARDIRQS */ diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 850f030fa0c2..91a5fa25054e 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -324,6 +324,10 @@ void enable_irq(unsigned int irq) if (!desc) return; + if (WARN(!desc->irq_data.chip || !desc->irq_data.chip->irq_enable, + KERN_ERR "enable_irq before setup/request_irq: irq %u\n", irq)) + return; + chip_bus_lock(desc); raw_spin_lock_irqsave(&desc->lock, flags); __enable_irq(desc, irq, false); |
