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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Matthias Brugger <mbrugger@suse.com>,
        Stefan Wahren <stefan.wahren@i2se.com>,
        Eduardo Valentin <edubezval@gmail.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 234/313] thermal: bcm2835: enable hwmon explicitly
Date:   Mon, 11 Feb 2019 15:18:34 +0100
Message-Id: <20190211141909.079048486@linuxfoundation.org>
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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ 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@suse.com>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 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