linux-kernel - Re: [PATCH RFC v4 2/2] pmdomain: arm_scmi: add support for domain hierarchies

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Message-ID: <aR7CEzlHFYmQykKm@stanley.mountain>
Date: Thu, 20 Nov 2025 10:24:03 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: "Kevin Hilman (TI.com)" <khilman@...libre.com>
Cc: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	devicetree@...r.kernel.org, linux-pm@...r.kernel.org,
	arm-scmi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC v4 2/2] pmdomain: arm_scmi: add support for domain
 hierarchies

On Wed, Nov 19, 2025 at 04:58:46PM -0800, Kevin Hilman (TI.com) wrote:
> @@ -110,7 +110,14 @@ static int scmi_pm_domain_probe(struct scmi_device *sdev)
>  
>  	dev_set_drvdata(dev, scmi_pd_data);
>  
> -	return of_genpd_add_provider_onecell(np, scmi_pd_data);
> +	ret = of_genpd_add_provider_onecell(np, scmi_pd_data);
> +	if (ret)
> +		return ret;
> +
> +	/* check for (optional) subdomain mapping with power-domain-map */
> +	of_genpd_add_subdomain_map(np, scmi_pd_data);
> +
> +	return ret;

return 0, plz.

regards,
dan carpenter