On Fri, 2007-05-25 at 13:04 +0200, Johan Borkhuis wrote:
> Hello,
>
> I am trying to create an RTDM interrupt handler for an external
> interrupt. I use a rtdm_irq_request, followed by a rtdm_irq_enable. This
> caused one interrupt to be processed, but subsequent interrupts were not
> processed.
> After adding an extra rtdm_irq_enable to the ISR the interrupts are
> processed. When I look at the other drivers I don't see this. Is this
> needed, or is there a bug/feature in the interrupt handling on my platform?
> (I use a MVME3100 with a ppc8540 processor and openPIC interrupt
> controller).
>
Does this help?
--- arch/ppc/syslib/open_pic.c~ 2006-11-17 15:55:24.000000000 +0100
+++ arch/ppc/syslib/open_pic.c 2007-05-26 11:09:03.000000000 +0200
@@ -833,7 +833,7 @@
{
#if defined(__SLOW_VERSION__) || defined(CONFIG_IPIPE)
if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS))
- && irq_desc[irq_nr].action)
+ && (!ipipe_root_domain_p || irq_desc[irq_nr].action))
openpic_enable_irq(irq_nr);
#else
if ((irq_desc[irq_nr].status & IRQ_LEVEL) != 0)
> Kind regards,
> Johan Borkhuis
>
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--
Philippe.
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