linux-kernel - [PATCH 1/9] thermal: Provide stub for thermal_of_cooling_device

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Date:	Thu, 18 Dec 2014 11:13:03 +0100
From:	Lukasz Majewski <l.majewski@...sung.com>
To:	Eduardo Valentin <edubezval@...il.com>,
	Kamil Debski <k.debski@...sung.com>,
	Jean Delvare <jdelvare@...e.de>,
	Guenter Roeck <linux@...ck-us.net>
Cc:	lm-sensors@...sensors.org,
	Linux PM list <linux-pm@...r.kernel.org>,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>, devicetree@...r.kernel.org,
	Lukasz Majewski <l.majewski@...ess.pl>,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-kernel@...r.kernel.org,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Lukasz Majewski <l.majewski@...sung.com>
Subject: [PATCH 1/9] thermal: Provide stub for
 thermal_of_cooling_device_register() function

Odroid U3 fan can work without being registered as OF cooling device
(with CONFIG_THERMAL_OF disabled).
In this situation it can be controlled via PWM entry at
/sys/class/hwmon/hwmon0/pwm1.

Therefore, the thermal_of_cooling_device_register() function needs a stub
to allow clean compilation.

Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
---
 include/linux/thermal.h | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 99be7fc..54dce0e 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -328,6 +328,10 @@ thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
 				const struct thermal_zone_of_device_ops *ops);
 void thermal_zone_of_sensor_unregister(struct device *dev,
 				       struct thermal_zone_device *tz);
+struct thermal_cooling_device *
+thermal_of_cooling_device_register(struct device_node *np,
+				   char *type, void *devdata,
+				   const struct thermal_cooling_device_ops *);
 #else
 static inline struct thermal_zone_device *
 thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
@@ -342,6 +346,13 @@ void thermal_zone_of_sensor_unregister(struct device *dev,
 {
 }
 
+static inline struct thermal_cooling_device *
+thermal_of_cooling_device_register(struct device_node *np,
+				   char *type, void *devdata,
+				   const struct thermal_cooling_device_ops *ops)
+{
+	return NULL;
+}
 #endif
 struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
 		void *, struct thermal_zone_device_ops *,
@@ -357,9 +368,6 @@ void thermal_zone_device_update(struct thermal_zone_device *);
 
 struct thermal_cooling_device *thermal_cooling_device_register(char *, void *,
 		const struct thermal_cooling_device_ops *);
-struct thermal_cooling_device *
-thermal_of_cooling_device_register(struct device_node *np, char *, void *,
-				   const struct thermal_cooling_device_ops *);
 void thermal_cooling_device_unregister(struct thermal_cooling_device *);
 struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
 int thermal_zone_get_temp(struct thermal_zone_device *tz, unsigned long *temp);
-- 
2.0.0.rc2

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