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From: Scott Wood <scottwood@freescale.com>
To: Rognlien Dag Kristian <Dag.K.Rognlien@sintef.no>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: request_irq() for external interrupt pin on MPC875 (A&M adder MPC 	875)
Date: Mon, 28 Jan 2008 11:20:04 -0600	[thread overview]
Message-ID: <479E0EC4.5070707@freescale.com> (raw)
In-Reply-To: <39417DF3286A66428FA558987839F44F03FC914F@SINTEFXCH01.sintef.no>

Rognlien Dag Kristian wrote:
> With kernel 2.6.13 we used
>  
> request_irq (use_irq, irq_handler, SA_INTERRUPT|SA_SHIRQ, DEVICE_NAME, dev)
>  
> where use_irq is 12 to use the external IRQ6 pin.
>  
> We are now trying to get this driver to work with the 2.6.25 pull from 
> powerpc.git.
>  
> request_irq (use_irq, irq_handler, IRQF_SHARED, DEVICE_NAME, dev);
>  
> returns -ENOSYS on the newer kernel.
>  
> Have the IRQ mappings for the external IRQX pins been moved in the later 
> kernels?

Yes, you need to use the result of irq_create_mapping() or 
irq_of_parse_and_map().

-Scott

      reply	other threads:[~2008-01-28 17:19 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-28 13:28 request_irq() for external interrupt pin on MPC875 (A&M adder MPC 875) Rognlien Dag Kristian
2008-01-28 17:20 ` Scott Wood [this message]

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