thermal: sun8i: Add hwmon support

Expose sun8i thermal as a HWMON device.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20191228171904.24618-1-tiny.windzz@gmail.com

diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c
index bd7549f..74d73be 100644 (file)
--- a/drivers/thermal/sun8i_thermal.c
+++ b/drivers/thermal/sun8i_thermal.c
@@ -20,6 +20,8 @@
 #include <linux/slab.h>
 #include <linux/thermal.h>
 
+#include "thermal_hwmon.h"
+
 #define MAX_SENSOR_NUM 4
 
 #define FT_TEMP_MASK                           GENMASK(11, 0)
@@ -471,6 +473,10 @@ static int sun8i_ths_register(struct ths_device *tmdev)
                                                             &ths_ops);
                if (IS_ERR(tmdev->sensor[i].tzd))
                        return PTR_ERR(tmdev->sensor[i].tzd);
+
+               if (devm_thermal_add_hwmon_sysfs(tmdev->sensor[i].tzd))
+                       dev_warn(tmdev->dev,
+                                "Failed to add hwmon sysfs attributes\n");
        }
 
        return 0;