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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-03-22 10:22:58 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-03-22 10:22:58 +0000
commitbec1b8193651ea4394cc4d6e18152cb83e735f93 (patch)
tree7df3c9603a745b9f390a9132837c6909c4b96db3 /arch/arm/kernel
parent58e9ff56382bdce340d50b6ff22c422dc617106c (diff)
[ARM] Quieten spurious IRQ detection
Only issue a "nobody cared" warning after 99900 spurious interrupts. This avoids the occasional spurious interrupt causing warnings, as per x86. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/irq.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 1d50d2b98f5..2d5896b3618 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -305,14 +305,19 @@ report_bad_irq(unsigned int irq, struct pt_regs *regs, struct irqdesc *desc, int
static int count = 100;
struct irqaction *action;
- if (!count || noirqdebug)
+ if (noirqdebug)
return;
- count--;
-
if (ret != IRQ_HANDLED && ret != IRQ_NONE) {
+ if (!count)
+ return;
+ count--;
printk("irq%u: bogus retval mask %x\n", irq, ret);
} else {
+ desc->irqs_unhandled++;
+ if (desc->irqs_unhandled <= 99900)
+ return;
+ desc->irqs_unhandled = 0;
printk("irq%u: nobody cared\n", irq);
}
show_regs(regs);