Re: [PATCH v3 6/7] dt-bindings: add irq domain parent binding

[Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>]

Hi,

On Thu, Oct 09, 2014 at 03:29:39PM +0100, Joe.C wrote:
> From: "Joe.C" <yingjoe.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> 
> Add "arm,irq-domain-hierarchy" optional property.
> 
> Signed-off-by: Joe.C <yingjoe.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/arm/gic.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/gic.txt b/Documentation/devicetree/bindings/arm/gic.txt
> index c7d2fa1..f0bb759 100644
> --- a/Documentation/devicetree/bindings/arm/gic.txt
> +++ b/Documentation/devicetree/bindings/arm/gic.txt
> @@ -68,6 +68,8 @@ Example:
>  		      <0xfff10100 0x100>;
>  	};
>  
> +- arm,irq-domain-hierarchy : When this property exists, gic will be used as
> +  parent for hierarchy irq domain.

IRQ domains are a Linux internal detail, and their description doesn't
belong in the DT. So this property does not look like it should be
described in the DT.

I don't see a description of any relationship between devices here, so
it's not clear to me what this property is intended to imply.

Why do you think you need this?

Thanks,
Mark.
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