linux-kernel - [PATCH v3 2/8] thermal: Provide stub for thermal_cdev

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Date:	Fri, 06 Feb 2015 17:59:02 +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>,
	Kukjin Kim <kgene@...nel.org>
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,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Abhilash Kesavan <kesavan.abhilash@...il.com>,
	Abhilash Kesavan <a.kesavan@...sung.com>,
	Lukasz Majewski <l.majewski@...sung.com>
Subject: [PATCH v3 2/8] thermal: Provide stub for thermal_cdev_update() 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_cdev_update() function needs a stub
to allow clean compilation.

Signed-off-by: Lukasz Majewski <l.majewski@...sung.com>
---
Changes for v2:
- New patch
Changes for v3:
- thermal_cdev_update() now depends on CONFIG_THERMAL flag
---
 include/linux/thermal.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index eacf2de..25382e6 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -298,6 +298,7 @@ struct thermal_cooling_device *
 thermal_of_cooling_device_register(struct device_node *np,
 				   char *type, void *devdata,
 				   const struct thermal_cooling_device_ops *);
+void thermal_cdev_update(struct thermal_cooling_device *);
 #else
 static inline struct thermal_cooling_device *
 thermal_of_cooling_device_register(struct device_node *np,
@@ -306,6 +307,9 @@ thermal_of_cooling_device_register(struct device_node *np,
 {
 	return NULL;
 }
+static inline void thermal_cdev_update(struct thermal_cooling_device *cdev)
+{
+}
 #endif
 #ifdef CONFIG_THERMAL_OF
 struct thermal_zone_device *
@@ -349,7 +353,6 @@ int thermal_zone_get_temp(struct thermal_zone_device *tz, unsigned long *temp);
 int get_tz_trend(struct thermal_zone_device *, int);
 struct thermal_instance *get_thermal_instance(struct thermal_zone_device *,
 		struct thermal_cooling_device *, int);
-void thermal_cdev_update(struct thermal_cooling_device *);
 void thermal_notify_framework(struct thermal_zone_device *, int);
 
 #ifdef CONFIG_NET
-- 
2.0.0.rc2

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