[POWERPC] PS3: Vuart: change semaphore to mutex

A general housekeeping change of the PS3 vuart variable
vuart_bus_priv.probe_mutex from semaphore to mutex.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 11 insertions, 11 deletions

diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c
index a3e4ea9ae5b1..90c097a7a47a 100644
--- a/drivers/ps3/ps3-vuart.c
+++ b/drivers/ps3/ps3-vuart.c
@@ -877,7 +877,7 @@ static int ps3_vuart_handle_port_interrupt(struct ps3_system_bus_device *dev)
 struct vuart_bus_priv {
         struct ports_bmp *bmp;
         unsigned int virq;
-        struct semaphore probe_mutex;
+        struct mutex probe_mutex;
         int use_count;
         struct ps3_system_bus_device *devices[PORT_COUNT];
 } static vuart_bus_priv;
@@ -1015,7 +1015,7 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
                 return -EINVAL;
         }
 
-        down(&vuart_bus_priv.probe_mutex);
+        mutex_lock(&vuart_bus_priv.probe_mutex);
 
         result = ps3_vuart_bus_interrupt_get();
 
@@ -1075,7 +1075,7 @@ static int ps3_vuart_probe(struct ps3_system_bus_device *dev)
                 goto fail_probe;
         }
 
-        up(&vuart_bus_priv.probe_mutex);
+        mutex_unlock(&vuart_bus_priv.probe_mutex);
 
         return result;
 
@@ -1088,7 +1088,7 @@ fail_dev_malloc:
 fail_busy:
         ps3_vuart_bus_interrupt_put();
 fail_setup_interrupt:
-        up(&vuart_bus_priv.probe_mutex);
+        mutex_unlock(&vuart_bus_priv.probe_mutex);
         dev_dbg(&dev->core, "%s:%d: failed\n", __func__, __LINE__);
         return result;
 }
@@ -1127,7 +1127,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
 
         BUG_ON(!dev);
 
-        down(&vuart_bus_priv.probe_mutex);
+        mutex_lock(&vuart_bus_priv.probe_mutex);
 
         dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
                 dev->match_id);
@@ -1135,7 +1135,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
         if (!dev->core.driver) {
                 dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
                         __LINE__);
-                up(&vuart_bus_priv.probe_mutex);
+                mutex_unlock(&vuart_bus_priv.probe_mutex);
                 return 0;
         }
 
@@ -1158,7 +1158,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev)
         priv = NULL;
 
         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
-        up(&vuart_bus_priv.probe_mutex);
+        mutex_unlock(&vuart_bus_priv.probe_mutex);
         return 0;
 }
 
@@ -1178,7 +1178,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
 
         BUG_ON(!dev);
 
-        down(&vuart_bus_priv.probe_mutex);
+        mutex_lock(&vuart_bus_priv.probe_mutex);
 
         dev_dbg(&dev->core, " -> %s:%d: match_id %d\n", __func__, __LINE__,
                 dev->match_id);
@@ -1186,7 +1186,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
         if (!dev->core.driver) {
                 dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__,
                         __LINE__);
-                up(&vuart_bus_priv.probe_mutex);
+                mutex_unlock(&vuart_bus_priv.probe_mutex);
                 return 0;
         }
 
@@ -1210,7 +1210,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev)
 
         dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
 
-        up(&vuart_bus_priv.probe_mutex);
+        mutex_unlock(&vuart_bus_priv.probe_mutex);
         return 0;
 }
 
@@ -1221,7 +1221,7 @@ static int __init ps3_vuart_bus_init(void)
         if (!firmware_has_feature(FW_FEATURE_PS3_LV1))
                 return -ENODEV;
 
-        init_MUTEX(&vuart_bus_priv.probe_mutex);
+        mutex_init(&vuart_bus_priv.probe_mutex);
 
         return 0;
 }