Re: [RFC] Device tree for new desktop platform in arch/powerpc

[Segher Boessenkool <segher@kernel.crashing.org>]

>>>>               reserved-interrupts =3D <2>;
>>
>> I'm currious about the above though, what is it ?
>
> Quote from the CHRP ISA interrupt controller device binding document:
> =93reserved-interrupts=94
> Standard property name to define reserved interrupts.
> prop-encoded-array: An integer array, encoded with encode-int.
> The value of this property shall be a list of ISA interrupts which=20
> cannot
> be assigned due to cascading, wiring, or other reasons. Only the irq#=20=

> part
> of the property is pertinent to this use.

I never found any situation where this property is useful
(you need a lot more information to do anything but static
IRQ routing on ISA anyway), but it doesn't harm anything
either.


Segher