linux-kernel - [PATCH v2 1/2] PM / devfreq: Fix compiler warnings

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Date:	Wed, 27 Mar 2013 19:22:53 +0530
From:	Rajagopal Venkat <rajagopal.venkat@...aro.org>
To:	myungjoo.ham@...sung.com, rjw@...k.pl,
	Kevin Hilman <khilman@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>
Cc:	patches@...aro.org, linaro-kernel@...ts.linaro.org,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Rajagopal Venkat <rajagopal.venkat@...aro.org>
Subject: [PATCH v2 1/2] PM / devfreq: Fix compiler warnings

Fix compiler warnings generated when devfreq is not enabled
(CONFIG_PM_DEVFREQ is not set).

Signed-off-by: Rajagopal Venkat <rajagopal.venkat@...aro.org>
---
 include/linux/devfreq.h |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h
index 04ad61d..5f1ab92 100644
--- a/include/linux/devfreq.h
+++ b/include/linux/devfreq.h
@@ -215,7 +215,7 @@ struct devfreq_simple_ondemand_data {
 #endif
 
 #else /* !CONFIG_PM_DEVFREQ */
-static struct devfreq *devfreq_add_device(struct device *dev,
+static inline struct devfreq *devfreq_add_device(struct device *dev,
 					  struct devfreq_dev_profile *profile,
 					  const char *governor_name,
 					  void *data)
@@ -223,34 +223,34 @@ static struct devfreq *devfreq_add_device(struct device *dev,
 	return NULL;
 }
 
-static int devfreq_remove_device(struct devfreq *devfreq)
+static inline int devfreq_remove_device(struct devfreq *devfreq)
 {
 	return 0;
 }
 
-static int devfreq_suspend_device(struct devfreq *devfreq)
+static inline int devfreq_suspend_device(struct devfreq *devfreq)
 {
 	return 0;
 }
 
-static int devfreq_resume_device(struct devfreq *devfreq)
+static inline int devfreq_resume_device(struct devfreq *devfreq)
 {
 	return 0;
 }
 
-static struct opp *devfreq_recommended_opp(struct device *dev,
+static inline struct opp *devfreq_recommended_opp(struct device *dev,
 					   unsigned long *freq, u32 flags)
 {
-	return -EINVAL;
+	return ERR_PTR(-EINVAL);
 }
 
-static int devfreq_register_opp_notifier(struct device *dev,
+static inline int devfreq_register_opp_notifier(struct device *dev,
 					 struct devfreq *devfreq)
 {
 	return -EINVAL;
 }
 
-static int devfreq_unregister_opp_notifier(struct device *dev,
+static inline int devfreq_unregister_opp_notifier(struct device *dev,
 					   struct devfreq *devfreq)
 {
 	return -EINVAL;
-- 
1.7.10.4

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