Re: [PATCH 5/5] ARM: gic: add OF based initialization

[Grant Likely]

On Mon, Sep 19, 2011 at 7:33 AM, Russell King - ARM Linux
<linux@xxxxxxxxxxxxxxxx> wrote:
> On Mon, Sep 19, 2011 at 11:47:18AM +0200, Cousson, Benoit wrote:
>> Since the cpumask is not relevant for the SPI, maybe having two
>> interrupt controllers will be more relevant. Or maybe 3, since there is
>> some SGIs as well.
>
> I don't think anyone uses SGIs outside of the common SMP code.
> Therefore they're handled entirely separately for the root GIC.
>
> (If there's two GICs - some platforms do have two - then the SGIs on
> the non-root GIC are unused.)

...and since SGIs aren't external HW inputs to the GIC, there really
isn't any need to reflect them in the GIC DT binding.

g.
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