linux-kernel - [PATCH v3 06/32] thermal/drivers/mmio: Switch to new of API

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Date:   Wed, 27 Jul 2022 23:02:27 +0200
From:   Daniel Lezcano <daniel.lezcano@...exp.org>
To:     daniel.lezcano@...aro.org, rafael@...nel.org
Cc:     rui.zhang@...el.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, khilman@...libre.com,
        abailon@...libre.com, lukasz.luba@....com, broonie@...nel.org,
        damien.lemoal@...nsource.wdc.com, heiko@...ech.de,
        hayashi.kunihiko@...ionext.com, mhiramat@...nel.org,
        talel@...zon.com, thierry.reding@...il.com, digetx@...il.com,
        jonathanh@...dia.com, anarsoul@...il.com, tiny.windzz@...il.com,
        baolin.wang7@...il.com, f.fainelli@...il.com,
        bjorn.andersson@...aro.org, mcoquelin.stm32@...il.com,
        glaroque@...libre.com, miquel.raynal@...tlin.com,
        shawnguo@...nel.org, niklas.soderlund@...natech.se,
        matthias.bgg@...il.com, j-keerthy@...com,
        Amit Kucheria <amitk@...nel.org>
Subject: [PATCH v3 06/32] thermal/drivers/mmio: Switch to new of API

The thermal OF code has a new API allowing to migrate the OF
initialization to a simpler approach. The ops are no longer device
tree specific and are the generic ones provided by the core code.

Convert the ops to the thermal_zone_device_ops format and use the new
API to register the thermal zone with these generic ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@...exp.org>
---
 drivers/thermal/thermal_mmio.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/thermal/thermal_mmio.c b/drivers/thermal/thermal_mmio.c
index 360b0dfdc3b0..1bf1a16533da 100644
--- a/drivers/thermal/thermal_mmio.c
+++ b/drivers/thermal/thermal_mmio.c
@@ -20,11 +20,10 @@ static u32 thermal_mmio_readb(void __iomem *mmio_base)
 	return readb(mmio_base);
 }
 
-static int thermal_mmio_get_temperature(void *private, int *temp)
+static int thermal_mmio_get_temperature(struct thermal_zone_device *tz, int *temp)
 {
 	int t;
-	struct thermal_mmio *sensor =
-		(struct thermal_mmio *)private;
+	struct thermal_mmio *sensor = tz->devdata;
 
 	t = sensor->read_mmio(sensor->mmio_base) & sensor->mask;
 	t *= sensor->factor;
@@ -34,7 +33,7 @@ static int thermal_mmio_get_temperature(void *private, int *temp)
 	return 0;
 }
 
-static const struct thermal_zone_of_device_ops thermal_mmio_ops = {
+static const struct thermal_zone_device_ops thermal_mmio_ops = {
 	.get_temp = thermal_mmio_get_temperature,
 };
 
@@ -68,10 +67,10 @@ static int thermal_mmio_probe(struct platform_device *pdev)
 		}
 	}
 
-	thermal_zone = devm_thermal_zone_of_sensor_register(&pdev->dev,
-							    0,
-							    sensor,
-							    &thermal_mmio_ops);
+	thermal_zone = devm_thermal_of_zone_register(&pdev->dev,
+						     0,
+						     sensor,
+						     &thermal_mmio_ops);
 	if (IS_ERR(thermal_zone)) {
 		dev_err(&pdev->dev,
 			"failed to register sensor (%ld)\n",
@@ -79,7 +78,7 @@ static int thermal_mmio_probe(struct platform_device *pdev)
 		return PTR_ERR(thermal_zone);
 	}
 
-	thermal_mmio_get_temperature(sensor, &temperature);
+	thermal_mmio_get_temperature(thermal_zone, &temperature);
 	dev_info(&pdev->dev,
 		 "thermal mmio sensor %s registered, current temperature: %d\n",
 		 pdev->name, temperature);
-- 
2.25.1