linux-kernel - [RFC PATCH for 6.13 v1 18/20] thermal: core: Call __thermal_cdev

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Message-ID: <2227092.Icojqenx9y@rjwysocki.net>
Date: Sat, 14 Sep 2024 12:48:22 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux PM <linux-pm@...r.kernel.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
 Daniel Lezcano <daniel.lezcano@...aro.org>,
 Lukasz Luba <lukasz.luba@....com>, Zhang Rui <rui.zhang@...el.com>
Subject:
 [RFC PATCH for 6.13 v1 18/20] thermal: core: Call __thermal_cdev_update() on
 cdev unbind

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

When deleting a thermal instance from a cooling device's list of thermal
instances, update it in case its state has been determined by the thermal
instance going away.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/thermal/thermal_core.c |    6 ++++++
 1 file changed, 6 insertions(+)

Index: linux-pm/drivers/thermal/thermal_core.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.c
+++ linux-pm/drivers/thermal/thermal_core.c
@@ -864,6 +864,12 @@ static void thermal_instance_delete(stru
 	guard(cooling_dev)(instance->cdev);

 	list_del(&instance->cdev_node);
+
+	/*
+	 * Update the cdev in case its state has been determined by the thermal
+	 * instance going away.
+	 */
+	__thermal_cdev_update(instance->cdev);
 }

 /**