Re: [RFC 9/9] of/irq: create interrupts-extended property

Tony Lindgren
2013-10-17T17:33:14Z

* Grant Likely <grant.likely@linaro.org> [131015 13:43]:
> The standard interrupts property in device tree can only handle
> interrupts coming from a single interrupt parent. If a device is wired
> to multiple interrupt controllers, then it needs to be attached to a
> node with an interrupt-map property to demux the interrupt specifiers
> which is confusing. It would be a lot easier if there was a form of the
> interrupts property that allows for a separate interrupt phandle for
> each interrupt specifier.
>
> This patch does exactly that by creating a new interrupts-extended
> property which reuses the phandle+arguments pattern used by GPIOs and
> other core bindings.
>
> Signed-off-by: Grant Likely <grant.likely@linaro.org>
> Cc: Rob Herring <rob.herring@calxeda.com>

Works for me and solves the issue for devices with interrupts
from multiple interrupt controllers:

Acked-by: Tony Lindgren <tony@atomide.com>