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

From: Frank Wunderlich
Date: Tue Jun 08 2021 - 12:00:32 EST


From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

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

Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
---
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