[CPUFREQ] convert remaining cpufreq semaphore to a mutex

This one fell through the automation at first because it initializes the
semaphore to locked, but that's easily remedied

Signed-off-by:  Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Dave Jones <davej@redhat.com>

 drivers/cpufreq/cpufreq.c |   37 +++++++++++++++++++------------------
 include/linux/cpufreq.h   |    3 ++-
 2 files changed, 21 insertions(+), 19 deletions(-)

1 files changed, 19 insertions, 18 deletions

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index eb2f19d00e93..0675d9f02e34 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -601,7 +601,8 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
         policy->cpu = cpu;
         policy->cpus = cpumask_of_cpu(cpu);
 
-        init_MUTEX_LOCKED(&policy->lock);
+        mutex_init(&policy->lock);
+        mutex_lock(&policy->lock);
         init_completion(&policy->kobj_unregister);
         INIT_WORK(&policy->update, handle_update, (void *)(long)cpu);
 
@@ -642,7 +643,7 @@ static int cpufreq_add_dev (struct sys_device * sys_dev)
         spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
         policy->governor = NULL; /* to assure that the starting sequence is
                                   * run in cpufreq_set_policy */
-        up(&policy->lock);
+        mutex_unlock(&policy->lock);
         
         /* set default policy */
         
@@ -763,10 +764,10 @@ static int cpufreq_remove_dev (struct sys_device * sys_dev)
         spin_unlock_irqrestore(&cpufreq_driver_lock, flags);
 #endif
 
-        down(&data->lock);
+        mutex_lock(&data->lock);
         if (cpufreq_driver->target)
                 __cpufreq_governor(data, CPUFREQ_GOV_STOP);
-        up(&data->lock);
+        mutex_unlock(&data->lock);
 
         kobject_unregister(&data->kobj);
 
@@ -835,9 +836,9 @@ unsigned int cpufreq_quick_get(unsigned int cpu)
         unsigned int ret = 0;
 
         if (policy) {
-                down(&policy->lock);
+                mutex_lock(&policy->lock);
                 ret = policy->cur;
-                up(&policy->lock);
+                mutex_unlock(&policy->lock);
                 cpufreq_cpu_put(policy);
         }
 
@@ -863,7 +864,7 @@ unsigned int cpufreq_get(unsigned int cpu)
         if (!cpufreq_driver->get)
                 goto out;
 
-        down(&policy->lock);
+        mutex_lock(&policy->lock);
 
         ret = cpufreq_driver->get(cpu);
 
@@ -876,7 +877,7 @@ unsigned int cpufreq_get(unsigned int cpu)
                 }
         }
 
-        up(&policy->lock);
+        mutex_unlock(&policy->lock);
 
  out:
         cpufreq_cpu_put(policy);
@@ -1159,11 +1160,11 @@ int cpufreq_driver_target(struct cpufreq_policy *policy,
         if (!policy)
                 return -EINVAL;
 
-        down(&policy->lock);
+        mutex_lock(&policy->lock);
 
         ret = __cpufreq_driver_target(policy, target_freq, relation);
 
-        up(&policy->lock);
+        mutex_unlock(&policy->lock);
 
         cpufreq_cpu_put(policy);
 
@@ -1200,9 +1201,9 @@ int cpufreq_governor(unsigned int cpu, unsigned int event)
         if (!policy)
                 return -EINVAL;
 
-        down(&policy->lock);
+        mutex_lock(&policy->lock);
         ret = __cpufreq_governor(policy, event);
-        up(&policy->lock);
+        mutex_unlock(&policy->lock);
 
         cpufreq_cpu_put(policy);
 
@@ -1269,9 +1270,9 @@ int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu)
         if (!cpu_policy)
                 return -EINVAL;
 
-        down(&cpu_policy->lock);
+        mutex_lock(&cpu_policy->lock);
         memcpy(policy, cpu_policy, sizeof(struct cpufreq_policy));
-        up(&cpu_policy->lock);
+        mutex_unlock(&cpu_policy->lock);
 
         cpufreq_cpu_put(cpu_policy);
 
@@ -1383,7 +1384,7 @@ int cpufreq_set_policy(struct cpufreq_policy *policy)
                 return -EINVAL;
 
         /* lock this CPU */
-        down(&data->lock);
+        mutex_lock(&data->lock);
 
         ret = __cpufreq_set_policy(data, policy);
         data->user_policy.min = data->min;
@@ -1391,7 +1392,7 @@ int cpufreq_set_policy(struct cpufreq_policy *policy)
         data->user_policy.policy = data->policy;
         data->user_policy.governor = data->governor;
 
-        up(&data->lock);
+        mutex_unlock(&data->lock);
         cpufreq_cpu_put(data);
 
         return ret;
@@ -1415,7 +1416,7 @@ int cpufreq_update_policy(unsigned int cpu)
         if (!data)
                 return -ENODEV;
 
-        down(&data->lock);
+        mutex_lock(&data->lock);
 
         dprintk("updating policy for CPU %u\n", cpu);
         memcpy(&policy, 
@@ -1428,7 +1429,7 @@ int cpufreq_update_policy(unsigned int cpu)
 
         ret = __cpufreq_set_policy(data, &policy);
 
-        up(&data->lock);
+        mutex_unlock(&data->lock);
 
         cpufreq_cpu_put(data);
         return ret;