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

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 = {