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Message-ID: <2316634.ElGaqSPkdT@kreacher>
Date:   Thu, 12 Oct 2023 20:26:46 +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>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Lukasz Luba <lukasz.luba@....com>
Subject: [PATCH v2 2/6] thermal: trip: Define for_each_trip() macro

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

Define a new macro for_each_trip() to be used by the thermal core code
and thermal governors for walking trips in a given thermal zone.

Modify for_each_thermal_trip() to use this macro instead of an open-
coded loop over trips.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Acked-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---

v1 -> v2:
   * Rebase on top of current linux-next.
   * Add the tag from Daniel.

---
 drivers/thermal/thermal_core.h |    3 +++
 drivers/thermal/thermal_trip.c |    7 ++++---
 2 files changed, 7 insertions(+), 3 deletions(-)

Index: linux-pm/drivers/thermal/thermal_core.h
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_core.h
+++ linux-pm/drivers/thermal/thermal_core.h
@@ -116,6 +116,9 @@ void __thermal_zone_device_update(struct
 				  enum thermal_notify_event event);
 
 /* Helpers */
+#define for_each_trip(__tz, __trip)	\
+	for (__trip = __tz->trips; __trip - __tz->trips < __tz->num_trips; __trip++)
+
 void __thermal_zone_set_trips(struct thermal_zone_device *tz);
 int __thermal_zone_get_trip(struct thermal_zone_device *tz, int trip_id,
 			    struct thermal_trip *trip);
Index: linux-pm/drivers/thermal/thermal_trip.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_trip.c
+++ linux-pm/drivers/thermal/thermal_trip.c
@@ -13,10 +13,11 @@ int for_each_thermal_trip(struct thermal
 			  int (*cb)(struct thermal_trip *, void *),
 			  void *data)
 {
-	int i, ret;
+	struct thermal_trip *trip;
+	int ret;
 
-	for (i = 0; i < tz->num_trips; i++) {
-		ret = cb(&tz->trips[i], data);
+	for_each_trip(tz, trip) {
+		ret = cb(trip, data);
 		if (ret)
 			return ret;
 	}



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