Re: How to create IRQ mappings in a GPIO driver that doesn't controlits IRQ domain ?
From: Linus Walleij
Date: Thu Jul 25 2013 - 09:21:43 EST
On Thu, Jul 25, 2013 at 3:15 PM, Mark Brown <broonie@xxxxxxxxxx> wrote:
> On Thu, Jul 25, 2013 at 11:45:33AM +0200, Laurent Pinchart wrote:
>> The number of interrupts can be pretty high (up to 58 in the worst case so
>> far), so an alternative would be to specify the interrupt-parent only, and
>> call irq_create_of_mapping() directly. What solution would you prefer ?
> Are the interrupts in a contiguous block in the controller so you can
> just pass around the controller and a base number?
That works with platform data and in-kernel structures, but AFAICT
device tree has no such "bulk" concept but expects you to list
each and every line individually in cases like this.
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