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

[rvaswani at codeaurora.org]

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 ?

Thanks,
Rohit

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