macintosh/therm_windtunnel: Convert semaphore to mutex

Signed-off-by: Daniel Walker <dwalker@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 8 insertions, 8 deletions

diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index 6d9e7ac7122b..3da0a02efd76 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -62,7 +62,7 @@ static struct {
         volatile int            running;
         struct task_struct      *poll_task;
         
-        struct semaphore        lock;
+        struct mutex            lock;
         struct of_device        *of_dev;
         
         struct i2c_client       *thermostat;
@@ -286,23 +286,23 @@ restore_regs( void )
 
 static int control_loop(void *dummy)
 {
-        down(&x.lock);
+        mutex_lock(&x.lock);
         setup_hardware();
-        up(&x.lock);
+        mutex_unlock(&x.lock);
 
         for (;;) {
                 msleep_interruptible(8000);
                 if (kthread_should_stop())
                         break;
 
-                down(&x.lock);
+                mutex_lock(&x.lock);
                 poll_temp();
-                up(&x.lock);
+                mutex_unlock(&x.lock);
         }
 
-        down(&x.lock);
+        mutex_lock(&x.lock);
         restore_regs();
-        up(&x.lock);
+        mutex_unlock(&x.lock);
 
         return 0;
 }
@@ -489,7 +489,7 @@ g4fan_init( void )
         const struct apple_thermal_info *info;
         struct device_node *np;
 
-        init_MUTEX( &x.lock );
+        mutex_init(&x.lock);
 
         if( !(np=of_find_node_by_name(NULL, "power-mgt")) )
                 return -ENODEV;