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Date: Tue, 03 Jan 2012 19:04:34 +0100
From: Philippe Gerum <rpm@xenomai.org>
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Subject: Re: [Xenomai-core] Ipipe breaks my MPC8541 board boot
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On 01/03/2012 06:58 PM, Gilles Chanteperdrix wrote:
> On 01/03/2012 06:49 PM, Jean-Michel Hautbois wrote:
>> cpm2_cascade is dedicated to my board, but has nothing impressive :
>> static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
>> {
>>          int cascade_irq;
>>
>>          while ((cascade_irq = cpm2_get_irq())>= 0)
>>                  generic_handle_irq(cascade_irq);
>
> Replace generic_handle_irq with ipipe_handle_chained_irq.
>

You have to fixup the eoi handling as well, check how this is done in 
arch/powerpc/platforms/85xx/sbc8560.c.

-- 
Philippe.