linux-kernel - [PATCH v8 20/29] thermal/drivers/st: Use generic trip points

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Date:   Mon,  3 Oct 2022 11:25:53 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     daniel.lezcano@...aro.org, rafael@...nel.org
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        rui.zhang@...el.com, Raju Rangoju <rajur@...lsio.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Peter Kaestle <peter@...e.net>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Amit Kucheria <amitk@...nel.org>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Broadcom Kernel Team <bcm-kernel-feedback-list@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Support Opensource <support.opensource@...semi.com>,
        Lukasz Luba <lukasz.luba@....com>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Thara Gopinath <thara.gopinath@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Niklas Söderlund <niklas.soderlund@...natech.se>,
        Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Keerthy <j-keerthy@...com>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Antoine Tenart <atenart@...nel.org>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Dmitry Osipenko <digetx@...il.com>, netdev@...r.kernel.org,
        platform-driver-x86@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-omap@...r.kernel.org
Subject: [PATCH v8 20/29] thermal/drivers/st: Use generic trip points

The thermal framework gives the possibility to register the trip
points with the thermal zone. When that is done, no get_trip_* ops are
needed and they can be removed.

Convert to the generic trip points

Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
---
 drivers/thermal/st/st_thermal.c | 47 +++++----------------------------
 1 file changed, 7 insertions(+), 40 deletions(-)

diff --git a/drivers/thermal/st/st_thermal.c b/drivers/thermal/st/st_thermal.c
index 1276b95604fe..c0d45cdd1c2f 100644
--- a/drivers/thermal/st/st_thermal.c
+++ b/drivers/thermal/st/st_thermal.c
@@ -134,48 +134,12 @@ static int st_thermal_get_temp(struct thermal_zone_device *th, int *temperature)
 	return 0;
 }
 
-static int st_thermal_get_trip_type(struct thermal_zone_device *th,
-				int trip, enum thermal_trip_type *type)
-{
-	struct st_thermal_sensor *sensor = th->devdata;
-	struct device *dev = sensor->dev;
-
-	switch (trip) {
-	case 0:
-		*type = THERMAL_TRIP_CRITICAL;
-		break;
-	default:
-		dev_err(dev, "invalid trip point\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int st_thermal_get_trip_temp(struct thermal_zone_device *th,
-				    int trip, int *temp)
-{
-	struct st_thermal_sensor *sensor = th->devdata;
-	struct device *dev = sensor->dev;
-
-	switch (trip) {
-	case 0:
-		*temp = mcelsius(sensor->cdata->crit_temp);
-		break;
-	default:
-		dev_err(dev, "Invalid trip point\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
 static struct thermal_zone_device_ops st_tz_ops = {
 	.get_temp	= st_thermal_get_temp,
-	.get_trip_type	= st_thermal_get_trip_type,
-	.get_trip_temp	= st_thermal_get_trip_temp,
 };
 
+static struct thermal_trip trip;
+
 int st_thermal_register(struct platform_device *pdev,
 			const struct of_device_id *st_thermal_of_match)
 {
@@ -238,9 +202,12 @@ int st_thermal_register(struct platform_device *pdev,
 
 	polling_delay = sensor->ops->register_enable_irq ? 0 : 1000;
 
+	trip.temperature = sensor->cdata->crit_temp;
+	trip.type = THERMAL_TRIP_CRITICAL;
+	
 	sensor->thermal_dev =
-		thermal_zone_device_register(dev_name(dev), 1, 0, sensor,
-					     &st_tz_ops, NULL, 0, polling_delay);
+		thermal_zone_device_register_with_trips(dev_name(dev), &trip, 1, 0, sensor,
+							&st_tz_ops, NULL, 0, polling_delay);
 	if (IS_ERR(sensor->thermal_dev)) {
 		dev_err(dev, "failed to register thermal zone device\n");
 		ret = PTR_ERR(sensor->thermal_dev);
-- 
2.34.1