linux-kernel - Re: [PATCH 07/11] pmdomain: core: Export a common ->sync

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Message-ID: <aBuJD1izaMqKUJ_s@stanley.mountain>
Date: Wed, 7 May 2025 19:23:43 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: Saravana Kannan <saravanak@...gle.com>, Stephen Boyd <sboyd@...nel.org>,
	linux-pm@...r.kernel.org, "Rafael J . Wysocki" <rafael@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Michael Grzeschik <m.grzeschik@...gutronix.de>,
	Bjorn Andersson <andersson@...nel.org>,
	Abel Vesa <abel.vesa@...aro.org>,
	Devarsh Thakkar <devarsht@...v0571a.ent.ti.com>,
	Peng Fan <peng.fan@....nxp.com>,
	Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
	Johan Hovold <johan@...nel.org>,
	Maulik Shah <maulik.shah@....qualcomm.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 07/11] pmdomain: core: Export a common ->sync_state()
 helper for genpd providers

On Thu, Apr 17, 2025 at 04:25:05PM +0200, Ulf Hansson wrote:
> +void of_genpd_sync_state(struct device *dev)
> +{
> +	struct device_node *np = dev->of_node;
> +	struct generic_pm_domain *genpd;
> +
> +	if (!np)
> +		return;
> +
> +	mutex_lock(&gpd_list_lock);
> +	list_for_each_entry(genpd, &gpd_list, gpd_list_node) {
> +		if (genpd->provider == &np->fwnode) {

Presumably this would be "== of_fwnode_handle(np)) {" as well...

regards,
dan carpenter

> +			genpd_lock(genpd);
> +			genpd_power_off(genpd, false, 0);
> +			genpd_unlock(genpd);
> +		}
> +	}
> +	mutex_unlock(&gpd_list_lock);
> +}