linux-kernel - [PATCH 1/8] cpuidle: fail to register if !CONFIG_CPU

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Date:	Wed, 26 May 2010 22:42:24 -0400
From:	Len Brown <lenb@...nel.org>
To:	x86@...nel.org, linux-pm@...ts.linux-foundation.org
Cc:	linux-kernel@...r.kernel.org, Len Brown <len.brown@...el.com>
Subject: [PATCH 1/8] cpuidle: fail to register if !CONFIG_CPU_IDLE

From: Len Brown <len.brown@...el.com>

Signed-off-by: Len Brown <len.brown@...el.com>
---
 include/linux/cpuidle.h |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index dcf77fa..0fe1efe 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -137,16 +137,16 @@ extern void cpuidle_disable_device(struct cpuidle_device *dev);
 #else
 
 static inline int cpuidle_register_driver(struct cpuidle_driver *drv)
-{return 0;}
+{return -ENODEV;}
 static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { }
 static inline int cpuidle_register_device(struct cpuidle_device *dev)
-{return 0;}
+{return -ENODEV;}
 static inline void cpuidle_unregister_device(struct cpuidle_device *dev) { }
 
 static inline void cpuidle_pause_and_lock(void) { }
 static inline void cpuidle_resume_and_unlock(void) { }
 static inline int cpuidle_enable_device(struct cpuidle_device *dev)
-{return 0;}
+{return -ENODEV;}
 static inline void cpuidle_disable_device(struct cpuidle_device *dev) { }
 
 #endif
-- 
1.6.0.6

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