[CPUFREQ] Convert drivers/cpufreq semaphores to mutexes.

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>

1 files changed, 10 insertions, 9 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 277a843a87a6..eb2f19d00e93 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -26,6 +26,7 @@
 #include <linux/slab.h>
 #include <linux/cpu.h>
 #include <linux/completion.h>
+#include <linux/mutex.h>
 
 #define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, "cpufreq-core", msg)
 
@@ -55,7 +56,7 @@ static DECLARE_RWSEM		(cpufreq_notifier_rwsem);
 
 
 static LIST_HEAD(cpufreq_governor_list);
-static DECLARE_MUTEX            (cpufreq_governor_sem);
+static DEFINE_MUTEX             (cpufreq_governor_mutex);
 
 struct cpufreq_policy * cpufreq_cpu_get(unsigned int cpu)
 {
@@ -297,18 +298,18 @@ static int cpufreq_parse_governor (char *str_governor, unsigned int *policy,
                 return -EINVAL;
         } else {
                 struct cpufreq_governor *t;
-                down(&cpufreq_governor_sem);
+                mutex_lock(&cpufreq_governor_mutex);
                 if (!cpufreq_driver || !cpufreq_driver->target)
                         goto out;
                 list_for_each_entry(t, &cpufreq_governor_list, governor_list) {
                         if (!strnicmp(str_governor,t->name,CPUFREQ_NAME_LEN)) {
                                 *governor = t;
-                                up(&cpufreq_governor_sem);
+                                mutex_unlock(&cpufreq_governor_mutex);
                                 return 0;
                         }
                 }
         out:
-                up(&cpufreq_governor_sem);
+                mutex_unlock(&cpufreq_governor_mutex);
         }
         return -EINVAL;
 }
@@ -1217,17 +1218,17 @@ int cpufreq_register_governor(struct cpufreq_governor *governor)
         if (!governor)
                 return -EINVAL;
 
-        down(&cpufreq_governor_sem);
+        mutex_lock(&cpufreq_governor_mutex);
         
         list_for_each_entry(t, &cpufreq_governor_list, governor_list) {
                 if (!strnicmp(governor->name,t->name,CPUFREQ_NAME_LEN)) {
-                        up(&cpufreq_governor_sem);
+                        mutex_unlock(&cpufreq_governor_mutex);
                         return -EBUSY;
                 }
         }
         list_add(&governor->governor_list, &cpufreq_governor_list);
 
-        up(&cpufreq_governor_sem);
+        mutex_unlock(&cpufreq_governor_mutex);
 
         return 0;
 }
@@ -1239,9 +1240,9 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor)
         if (!governor)
                 return;
 
-        down(&cpufreq_governor_sem);
+        mutex_lock(&cpufreq_governor_mutex);
         list_del(&governor->governor_list);
-        up(&cpufreq_governor_sem);
+        mutex_unlock(&cpufreq_governor_mutex);
         return;
 }
 EXPORT_SYMBOL_GPL(cpufreq_unregister_governor);