[PATCH v8 12/12] thermal: qoriq: Add hwmon support

[Andrey Smirnov]

Expose thermal readings as a HWMON device, so that it could be
accessed using lm-sensors.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Reviewed-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Tested-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Chris Healy <cphealy@xxxxxxxxx>
Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
Cc: Eduardo Valentin <edubezval@xxxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Cc: Angus Ainslie (Purism) <angus@xxxxxxxx>
Cc: linux-imx@xxxxxxx
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 drivers/thermal/qoriq_thermal.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index b684d3ceda69..b75d34e07da5 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -13,6 +13,7 @@
 #include <linux/thermal.h>
 
 #include "thermal_core.h"
+#include "thermal_hwmon.h"
 
 #define SITES_MAX		16
 #define TMR_DISABLE		0x0
@@ -139,6 +140,11 @@ static int qoriq_tmu_register_tmu_zone(struct device *dev,
 			regmap_write(qdata->regmap, REGS_TMR, TMR_DISABLE);
 			return ret;
 		}
+
+		if (devm_thermal_add_hwmon_sysfs(tzd))
+			dev_warn(dev,
+				 "Failed to add hwmon sysfs attributes\n");
+
 	}
 
 	return 0;
-- 
2.21.0