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[PATCH] powerpc: CPM2 interrupt handler failure after 100,000 interrupts

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The CPM2 interrupt handler does not return success to the IRQ subsystem, which
causes it to kill the IRQ line after 100,000 interrupts.

Signed-off-by: Edson Seabra <Edson.Seabra@cyclades.com>
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Edson Seabra 2005-12-19 09:16:50 -06:00 committed by Paul Mackerras
parent 3eb6f26bcd
commit b273ed266a
1 changed files with 2 additions and 1 deletions
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3
arch/ppc/platforms/85xx/mpc85xx_cds_common.c
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@ -130,10 +130,11 @@ mpc85xx_cds_show_cpuinfo(struct seq_file *m)
}
#ifdef CONFIG_CPM2
static void cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs)
{
while((irq = cpm2_get_irq(regs)) >= 0)
__do_IRQ(irq, regs);
return IRQ_HANDLED;
}
static struct irqaction cpm2_irqaction = {