linux-kernel - [PATCH v1 1/3] thermal: trip: Use for_each_trip() in __thermal_zone_set

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Message-ID: <4529720.LvFx2qVVIh@kreacher>
Date:   Mon, 04 Dec 2023 20:41:30 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Lukasz Luba <lukasz.luba@....com>
Cc:     Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Zhang Rui <rui.zhang@...el.com>
Subject: [PATCH v1 1/3] thermal: trip: Use for_each_trip() in __thermal_zone_set_trips()

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

Make __thermal_zone_set_trips() use for_each_trip() instead of an open-
coded loop over trip indices.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/thermal/thermal_trip.c |   18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

Index: linux-pm/drivers/thermal/thermal_trip.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_trip.c
+++ linux-pm/drivers/thermal/thermal_trip.c
@@ -63,25 +63,21 @@ EXPORT_SYMBOL_GPL(thermal_zone_get_num_t
  */
 void __thermal_zone_set_trips(struct thermal_zone_device *tz)
 {
-	struct thermal_trip trip;
+	const struct thermal_trip *trip;
 	int low = -INT_MAX, high = INT_MAX;
 	bool same_trip = false;
-	int i, ret;
+	int ret;
 
 	lockdep_assert_held(&tz->lock);
 
 	if (!tz->ops->set_trips)
 		return;
 
-	for (i = 0; i < tz->num_trips; i++) {
+	for_each_trip(tz, trip) {
 		bool low_set = false;
 		int trip_low;
 
-		ret = __thermal_zone_get_trip(tz, i , &trip);
-		if (ret)
-			return;
-
-		trip_low = trip.temperature - trip.hysteresis;
+		trip_low = trip->temperature - trip->hysteresis;
 
 		if (trip_low < tz->temperature && trip_low > low) {
 			low = trip_low;
@@ -89,9 +85,9 @@ void __thermal_zone_set_trips(struct the
 			same_trip = false;
 		}
 
-		if (trip.temperature > tz->temperature &&
-		    trip.temperature < high) {
-			high = trip.temperature;
+		if (trip->temperature > tz->temperature &&
+		    trip->temperature < high) {
+			high = trip->temperature;
 			same_trip = low_set;
 		}
 	}