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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Linux PM <linux-pm@vger.kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
 "Rafael J. Wysocki" <rafael@kernel.org>, Lukasz Luba <lukasz.luba@arm.com>,
 Daniel Lezcano <daniel.lezcano@linaro.org>,
 Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
 Zhang Rui <rui.zhang@intel.com>
Subject:
 [PATCH v2 5/5] thermal: core: Avoid calling .trip_crossed() for critical and
 hot trips
Date: Tue, 28 May 2024 18:54:11 +0200
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From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Invoking the governor .trip_crossed() callback for critical and hot
trips is pointless because they are handled directly by the core,
so make thermal_governor_trip_crossed() avoid doing that.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

v1 -> v2: Rebase.

---
 drivers/thermal/thermal_core.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-pm/drivers/thermal/thermal_core.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.c
+++ linux-pm/drivers/thermal/thermal_core.c
@@ -463,6 +463,9 @@ static void thermal_governor_trip_crosse
 					  const struct thermal_trip *trip,
 					  bool crossed_up)
 {
+	if (trip->type == THERMAL_TRIP_HOT || trip->type == THERMAL_TRIP_CRITICAL)
+		return;
+
 	if (governor->trip_crossed)
 		governor->trip_crossed(tz, trip, crossed_up);
 }