From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: rjw@sisk.pl, lenb@kernel.org
Cc: linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org,
patches@linaro.org, linaro-dev@lists.linaro.org
Subject: [PATCH 1/3] cpuidle : remove unused ref count function
Date: Wed, 19 Sep 2012 19:22:47 +0200 [thread overview]
Message-ID: <1348075369-16451-1-git-send-email-daniel.lezcano@linaro.org> (raw)
These two functions are never used.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
drivers/cpuidle/driver.c | 29 +----------------------------
include/linux/cpuidle.h | 4 ----
2 files changed, 1 insertions(+), 32 deletions(-)
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index 58bf3b1..40cd3f3 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -16,7 +16,6 @@
static struct cpuidle_driver *cpuidle_curr_driver;
DEFINE_SPINLOCK(cpuidle_driver_lock);
-int cpuidle_driver_refcount;
static void __cpuidle_register_driver(struct cpuidle_driver *drv)
{
@@ -90,34 +89,8 @@ void cpuidle_unregister_driver(struct cpuidle_driver *drv)
}
spin_lock(&cpuidle_driver_lock);
-
- if (!WARN_ON(cpuidle_driver_refcount > 0))
- cpuidle_curr_driver = NULL;
-
+ cpuidle_curr_driver = NULL;
spin_unlock(&cpuidle_driver_lock);
}
EXPORT_SYMBOL_GPL(cpuidle_unregister_driver);
-
-struct cpuidle_driver *cpuidle_driver_ref(void)
-{
- struct cpuidle_driver *drv;
-
- spin_lock(&cpuidle_driver_lock);
-
- drv = cpuidle_curr_driver;
- cpuidle_driver_refcount++;
-
- spin_unlock(&cpuidle_driver_lock);
- return drv;
-}
-
-void cpuidle_driver_unref(void)
-{
- spin_lock(&cpuidle_driver_lock);
-
- if (!WARN_ON(cpuidle_driver_refcount <= 0))
- cpuidle_driver_refcount--;
-
- spin_unlock(&cpuidle_driver_lock);
-}
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 279b1ea..5abf62b 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -145,8 +145,6 @@ extern void disable_cpuidle(void);
extern int cpuidle_idle_call(void);
extern int cpuidle_register_driver(struct cpuidle_driver *drv);
extern struct cpuidle_driver *cpuidle_get_driver(void);
-extern struct cpuidle_driver *cpuidle_driver_ref(void);
-extern void cpuidle_driver_unref(void);
extern void cpuidle_unregister_driver(struct cpuidle_driver *drv);
extern int cpuidle_register_device(struct cpuidle_device *dev);
extern void cpuidle_unregister_device(struct cpuidle_device *dev);
@@ -169,8 +167,6 @@ static inline int cpuidle_idle_call(void) { return -ENODEV; }
static inline int cpuidle_register_driver(struct cpuidle_driver *drv)
{return -ENODEV; }
static inline struct cpuidle_driver *cpuidle_get_driver(void) {return NULL; }
-static inline struct cpuidle_driver *cpuidle_driver_ref(void) {return NULL; }
-static inline void cpuidle_driver_unref(void) {}
static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { }
static inline int cpuidle_register_device(struct cpuidle_device *dev)
{return -ENODEV; }
--
1.7.5.4
next reply other threads:[~2012-09-19 17:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-19 17:22 Daniel Lezcano [this message]
2012-09-19 17:22 ` [PATCH 2/3] cpuidle : rename function name "__cpuidle_register_driver" Daniel Lezcano
2012-09-19 19:51 ` Rafael J. Wysocki
2012-09-19 20:00 ` Daniel Lezcano
2012-09-19 17:22 ` [PATCH 3/3] cpuidle : remove trailing carriage return Daniel Lezcano
2012-09-19 20:16 ` Rafael J. Wysocki
2012-09-19 19:49 ` [PATCH 1/3] cpuidle : remove unused ref count function Rafael J. Wysocki
2012-09-19 19:56 ` Daniel Lezcano
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