linux-kernel - [PATCH v4 12/12] thermal: qoriq: Add hwmon support

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Message-Id: <20190413082748.29990-13-andrew.smirnov@gmail.com>
Date:   Sat, 13 Apr 2019 01:27:48 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-pm@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Eduardo Valentin <edubezval@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Angus Ainslie <angus@...ea.ca>, linux-imx@....com,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 12/12] thermal: qoriq: Add hwmon support

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

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Chris Healy <cphealy@...il.com>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Eduardo Valentin <edubezval@...il.com>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: Angus Ainslie (Purism) <angus@...ea.ca>
Cc: linux-imx@....com
Cc: linux-pm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/thermal/qoriq_thermal.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index 5c459a9d0db3..897b3424b43b 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -12,6 +12,7 @@
 #include <linux/thermal.h>
 
 #include "thermal_core.h"
+#include "thermal_hwmon.h"
 
 #define SITES_MAX	16
 
@@ -93,6 +94,10 @@ static int qoriq_tmu_register_tmu_zone(struct device *dev,
 		case -ENODEV:
 			continue;
 		case 0:
+			ret = devm_thermal_add_hwmon_sysfs(tzd);
+			if (ret)
+				dev_warn(dev,
+				     "Failed to add hwmon sysfs attributes\n");
 			break;
 		default:
 			regmap_write(qdata->regmap, REGS_TMR, TMR_DISABLE);
-- 
2.20.1