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Date: Tue, 03 Feb 2009 18:46:50 +0100
From: Philippe Gerum <rpm@xenomai.org>
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Subject: Re: [Xenomai-help] IRQ reservation and config
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To: Mike McTernan <mmcternan@domain.hid>
Cc: xenomai@xenomai.org

Mike McTernan wrote:
> Hi,
> 
> I'm porting a simple driver to be under the Xenomai. RTDM  The driver
> simply blocks on read calls until an interrupt arrives, and returns a
> count.  This is on Blackfin uClinux.
> 
> I think I've understood how to make the driver, the only thing I'm
> missing is how to reserve and configure the irq source. 
> 
> Should I be using the standard Linux request_irq() to do this in the
> RTDM prior to calling rtdm_irq_request()?
> 

If you want your interrupt source to be controlled by the Xenomai core, i.e.
with real-time guarantees, then rtdm_irq_request() is what you want. I guess
this is why you need an RTDM driver anyway.

> Regards,
> 
> Mike
> 
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> 


-- 
Philippe.