linux-kernel - [PATCH v4] thermal: mediatek: add sensors-support

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Message-Id: <20210608154530.70074-1-linux@fw-web.de>
Date:   Tue,  8 Jun 2021 17:45:30 +0200
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-pm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4] thermal: mediatek: add sensors-support

From: Frank Wunderlich <frank-w@...lic-files.de>

add HWMON-support to mediateks thermal driver to allow lm-sensors
userspace tools read soc temperature

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
v4: change message to dev_warn as suggested by matthias
v3: drop no_hwmon
v2: drop ifdef and used devm_thermal_add_hwmon_sysfs
---
 drivers/thermal/mtk_thermal.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
index 97e8678ccf0e..ede94eadddda 100644
--- a/drivers/thermal/mtk_thermal.c
+++ b/drivers/thermal/mtk_thermal.c
@@ -23,6 +23,8 @@
 #include <linux/reset.h>
 #include <linux/types.h>
 
+#include "thermal_hwmon.h"
+
 /* AUXADC Registers */
 #define AUXADC_CON1_SET_V	0x008
 #define AUXADC_CON1_CLR_V	0x00c
@@ -1087,6 +1089,10 @@ static int mtk_thermal_probe(struct platform_device *pdev)
 		goto err_disable_clk_peri_therm;
 	}
 
+	ret = devm_thermal_add_hwmon_sysfs(tzdev);
+	if (ret)
+		dev_warn(&pdev->dev, "error in thermal_add_hwmon_sysfs");
+
 	return 0;
 
 err_disable_clk_peri_therm:
-- 
2.25.1