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From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Linux PM <linux-pm@vger.kernel.org>
Cc: Lukasz Luba <lukasz.luba@arm.com>, LKML <linux-kernel@vger.kernel.org>,
 Daniel Lezcano <daniel.lezcano@linaro.org>,
 Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>,
 Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>,
 Zhang Rui <rui.zhang@intel.com>, netdev@vger.kernel.org,
 Ido Schimmel <idosch@nvidia.com>, Petr Machata <petrm@nvidia.com>,
 Miri Korenblit <miriam.rachel.korenblit@intel.com>,
 linux-wireless@vger.kernel.org, Shawn Guo <shawnguo@kernel.org>,
 Sascha Hauer <s.hauer@pengutronix.de>,
 Pengutronix Kernel Team <kernel@pengutronix.de>,
 Manaf Meethalavalappu Pallikunhi <quic_manafm@quicinc.com>
Subject:
 [PATCH v2 3/9] thermal: core: Drop the .set_trip_hyst() thermal zone
 operation
Date: Mon, 12 Feb 2024 19:32:16 +0100
Message-ID: <2923201.e9J7NaK4W3@kreacher>
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From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

None of the users of the thermal core provides a .set_trip_hyst()
thermal zone operation, so drop that callback from struct
thermal_zone_device_ops and update trip_point_hyst_store()
accordingly.

No functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/thermal/thermal_sysfs.c |    6 ------
 include/linux/thermal.h         |    1 -
 2 files changed, 7 deletions(-)

Index: linux-pm/drivers/thermal/thermal_sysfs.c
===================================================================
--- linux-pm.orig/drivers/thermal/thermal_sysfs.c
+++ linux-pm/drivers/thermal/thermal_sysfs.c
@@ -184,12 +184,6 @@ trip_point_hyst_store(struct device *dev
 	}
 
 	if (hyst != trip->hysteresis) {
-		if (tz->ops->set_trip_hyst) {
-			ret = tz->ops->set_trip_hyst(tz, trip_id, hyst);
-			if (ret)
-				goto unlock;
-		}
-
 		trip->hysteresis = hyst;
 
 		thermal_zone_trip_updated(tz, trip);
Index: linux-pm/include/linux/thermal.h
===================================================================
--- linux-pm.orig/include/linux/thermal.h
+++ linux-pm/include/linux/thermal.h
@@ -91,7 +91,6 @@ struct thermal_zone_device_ops {
 	int (*change_mode) (struct thermal_zone_device *,
 		enum thermal_device_mode);
 	int (*set_trip_temp) (struct thermal_zone_device *, int, int);
-	int (*set_trip_hyst) (struct thermal_zone_device *, int, int);
 	int (*get_crit_temp) (struct thermal_zone_device *, int *);
 	int (*set_emul_temp) (struct thermal_zone_device *, int);
 	int (*get_trend) (struct thermal_zone_device *,