linux-kernel - Re: [PATCH 18/19] dt-bindings: arm/cpus: Add power-domains constraints

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Message-ID: <20250407-aloof-fox-of-relaxation-62963a@sudeepholla>
Date: Mon, 7 Apr 2025 13:30:03 +0100
From: Sudeep Holla <sudeep.holla@....com>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: "Rob Herring (Arm)" <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
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Subject: Re: [PATCH 18/19] dt-bindings: arm/cpus: Add power-domains
 constraints

On Fri, Apr 04, 2025 at 12:36:33PM +0200, Ulf Hansson wrote:
> On Fri, 4 Apr 2025 at 05:06, Rob Herring (Arm) <robh@...nel.org> wrote:
> >
> > The "power-domains" and "power-domains-names" properties are missing any
> > constraints. Add the constraints and drop the generic descriptions.
> >
> > Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> > ---
> >  Documentation/devicetree/bindings/arm/cpus.yaml | 8 ++------
> >  1 file changed, 2 insertions(+), 6 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
> > index 6f74ebfd38df..5bd5822db8af 100644
> > --- a/Documentation/devicetree/bindings/arm/cpus.yaml
> > +++ b/Documentation/devicetree/bindings/arm/cpus.yaml
> > @@ -313,19 +313,15 @@ properties:
> >      maxItems: 1
> >
> >    power-domains:
> > -    description:
> > -      List of phandles and PM domain specifiers, as defined by bindings of the
> > -      PM domain provider (see also ../power_domain.txt).
> > +    maxItems: 1
> 
> There are more than one in some cases. The most is probably three, I think.
>

+1, there are users using "perf" and "psci" together now.

-- 
Regards,
Sudeep