diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-05-07 21:54:02 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-05-07 21:55:01 +0100 |
| commit | d9cadb0d2ffed847851945a66e80d0b9d767611c (patch) | |
| tree | e4794d3e8bfc554d6659948344350b5b84a937d8 /arch/arm/mach-ns9xxx/irq.c | |
| parent | 592eb9997dc89cd0c8f89a505e5348bbddce70f6 (diff) | |
| parent | 21f20b69a567ca8971fe643d2ebe5d680c9b43af (diff) | |
Merge branch 'irq-fix' of git://www.modarm9.com/gitsrc/pub/people/ukleinek/linux-2.6.git
Diffstat (limited to 'arch/arm/mach-ns9xxx/irq.c')
| -rw-r--r-- | arch/arm/mach-ns9xxx/irq.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/arm/mach-ns9xxx/irq.c b/arch/arm/mach-ns9xxx/irq.c index 36e5835e609..ca85d24cf39 100644 --- a/arch/arm/mach-ns9xxx/irq.c +++ b/arch/arm/mach-ns9xxx/irq.c @@ -62,7 +62,7 @@ static struct irq_chip ns9xxx_chip = { #if 0 #define handle_irq handle_level_irq #else -void handle_prio_irq(unsigned int irq, struct irq_desc *desc) +static void handle_prio_irq(unsigned int irq, struct irq_desc *desc) { unsigned int cpu = smp_processor_id(); struct irqaction *action; @@ -70,27 +70,35 @@ void handle_prio_irq(unsigned int irq, struct irq_desc *desc) spin_lock(&desc->lock); - if (unlikely(desc->status & IRQ_INPROGRESS)) - goto out_unlock; + BUG_ON(desc->status & IRQ_INPROGRESS); desc->status &= ~(IRQ_REPLAY | IRQ_WAITING); kstat_cpu(cpu).irqs[irq]++; action = desc->action; if (unlikely(!action || (desc->status & IRQ_DISABLED))) - goto out_unlock; + goto out_mask; desc->status |= IRQ_INPROGRESS; spin_unlock(&desc->lock); action_ret = handle_IRQ_event(irq, action); + /* XXX: There is no direct way to access noirqdebug, so check + * unconditionally for spurious irqs... + * Maybe this function should go to kernel/irq/chip.c? */ + note_interrupt(irq, desc, action_ret); + spin_lock(&desc->lock); desc->status &= ~IRQ_INPROGRESS; - if (!(desc->status & IRQ_DISABLED) && desc->chip->ack) - desc->chip->ack(irq); -out_unlock: + if (desc->status & IRQ_DISABLED) +out_mask: + desc->chip->mask(irq); + + /* ack unconditionally to unmask lower prio irqs */ + desc->chip->ack(irq); + spin_unlock(&desc->lock); } #define handle_irq handle_prio_irq |