[DT] API to determine if interrupt is PPI or SPI ?

Rob Herring robherring2 at gmail.com
Fri Jul 27 22:33:36 EST 2012


On 07/26/2012 02:18 PM, rvaswani at codeaurora.org wrote:
> Hello,
> 
> We can specify the interrupt information in the device tree using the arm
> gic convention.
> Is there an API to read directly the 1st cell and determine if an
> interrupt is a PPI or a SPI ? This information is directly relevant to the
> driver because it needs to call request_irq or request_percpu_irq based on
> this data.
> 
> How should this be done ideally ?

Seems a bit strange to me that you would have a h/w block that can be
connected either way...

Perhaps the irq resource should have a flag for percpu irq.

Rob




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