Jan Kiszka wrote:
> 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
>>
>
> The rtdm_irq_enable is no longer required with RTDM revision 6 and
> higher. But that's trunk, it's rev. 5 which still comes with Xenomai
> 2.3.x. And the enable will also cause no harm with rev. 6.
>
I did see some references to the fact that it is no longer needed in the
future. I am running 2.3.1, so for the moment I will leave it in.
>> 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).
>>
>
> What do you return with your IRQ handler? RTDM_IRQ_HANDLED?
>
Yes, I do return RTDM_IRQ_HANDLED.
> That explicit rtdm_irq_enable is not required by design, would rather be
> a bug on certain platforms (where enable != end IRQ), and indicates that
> something else is broken, maybe in Xenomai.
>
This driver is ported from a standard Linux driver, and in this driver
an extra call is also not needed.
Kind regards,
Johan Borkhuis
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