linux-kernel - [PATCH v1 06/14] thermal: broadcom: Use thermal_zone_get_crit_temp() in bcm2835_thermal

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Date: Mon, 17 Jun 2024 19:57:04 +0200
From: "Rafael J. Wysocki" <rjw@...ysocki.net>
To: Linux PM <linux-pm@...r.kernel.org>,
 Florian Fainelli <florian.fainelli@...adcom.com>
Cc: LKML <linux-kernel@...r.kernel.org>,
 "Rafael J. Wysocki" <rafael@...nel.org>, Lukasz Luba <lukasz.luba@....com>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, Ray Jui <rjui@...adcom.com>,
 Scott Branden <sbranden@...adcom.com>, linux-rpi-kernel@...ts.infradead.org
Subject:
 [PATCH v1 06/14] thermal: broadcom: Use thermal_zone_get_crit_temp() in
 bcm2835_thermal_probe()

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

Modify the bcm2835 thermal driver to use thermal_zone_get_crit_temp() in
bcm2835_thermal_probe() instead of relying on the assumption that the
critical trip index will always be 0.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---
 drivers/thermal/broadcom/bcm2835_thermal.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Index: linux-pm/drivers/thermal/broadcom/bcm2835_thermal.c
===================================================================
--- linux-pm.orig/drivers/thermal/broadcom/bcm2835_thermal.c
+++ linux-pm/drivers/thermal/broadcom/bcm2835_thermal.c
@@ -222,8 +222,7 @@ static int bcm2835_thermal_probe(struct
 	 */
 	val = readl(data->regs + BCM2835_TS_TSENSCTL);
 	if (!(val & BCM2835_TS_TSENSCTL_RSTB)) {
-		struct thermal_trip trip;
-		int offset, slope;
+		int offset, slope, crit_temp;

 		slope = thermal_zone_get_slope(tz);
 		offset = thermal_zone_get_offset(tz);
@@ -231,7 +230,7 @@ static int bcm2835_thermal_probe(struct
 		 * For now we deal only with critical, otherwise
 		 * would need to iterate
 		 */
-		err = thermal_zone_get_trip(tz, 0, &trip);
+		err = thermal_zone_get_crit_temp(tz, &crit_temp);
 		if (err < 0) {
 			dev_err(&pdev->dev,
 				"Not able to read trip_temp: %d\n",
@@ -248,7 +247,7 @@ static int bcm2835_thermal_probe(struct
 		val |= (0xFE << BCM2835_TS_TSENSCTL_RSTDELAY_SHIFT);

 		/*  trip_adc value from info */
-		val |= bcm2835_thermal_temp2adc(trip.temperature,
+		val |= bcm2835_thermal_temp2adc(crit_temp,
 						offset,
 						slope)
 			<< BCM2835_TS_TSENSCTL_THOLD_SHIFT;