[PATCH AUTOSEL 4.14 160/170] thermal: bcm2835: enable hwmon explicitly

From: Sasha Levin
Date: Mon Jan 28 2019 - 11:19:17 EST


From: Matthias Brugger <mbrugger@xxxxxxxx>

[ Upstream commit d56c19d07e0bc3ceff366a49b7d7a2440c967b1b ]

By defaul of-based thermal driver do not enable hwmon.
This patch does this explicitly, so that the temperature can be read
through the common hwmon sysfs.

Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
Acked-by: Stefan Wahren <stefan.wahren@xxxxxxxx>
Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/thermal/broadcom/bcm2835_thermal.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/thermal/broadcom/bcm2835_thermal.c b/drivers/thermal/broadcom/bcm2835_thermal.c
index 23ad4f9f2143..24b006a95142 100644
--- a/drivers/thermal/broadcom/bcm2835_thermal.c
+++ b/drivers/thermal/broadcom/bcm2835_thermal.c
@@ -27,6 +27,8 @@
#include <linux/platform_device.h>
#include <linux/thermal.h>

+#include "../thermal_hwmon.h"
+
#define BCM2835_TS_TSENSCTL 0x00
#define BCM2835_TS_TSENSSTAT 0x04

@@ -275,6 +277,15 @@ static int bcm2835_thermal_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, tz);

+ /*
+ * Thermal_zone doesn't enable hwmon as default,
+ * enable it here
+ */
+ tz->tzp->no_hwmon = false;
+ err = thermal_add_hwmon_sysfs(tz);
+ if (err)
+ goto err_tz;
+
bcm2835_thermal_debugfs(pdev);

return 0;
--
2.19.1