Use mutexes instead of semaphores in I2O driver

The I2O driver uses two semaphores as mutexes.  Use the mutex API instead of
the (binary) semaphores.

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 11 insertions, 11 deletions

diff --git a/drivers/message/i2o/device.c b/drivers/message/i2o/device.c
index 611adc3c0f74..489d7c5c4965 100644
--- a/drivers/message/i2o/device.c
+++ b/drivers/message/i2o/device.c
@@ -62,7 +62,7 @@ int i2o_device_claim(struct i2o_device *dev)
 {
         int rc = 0;
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
 
         rc = i2o_device_issue_claim(dev, I2O_CMD_UTIL_CLAIM, I2O_CLAIM_PRIMARY);
         if (!rc)
@@ -72,7 +72,7 @@ int i2o_device_claim(struct i2o_device *dev)
                 pr_debug("i2o: claim of device %d failed %d\n",
                          dev->lct_data.tid, rc);
 
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
 
         return rc;
 }
@@ -96,7 +96,7 @@ int i2o_device_claim_release(struct i2o_device *dev)
         int tries;
         int rc = 0;
 
-        down(&dev->lock);
+        mutex_lock(&dev->lock);
 
         /*
          *      If the controller takes a nonblocking approach to
@@ -118,7 +118,7 @@ int i2o_device_claim_release(struct i2o_device *dev)
                 pr_debug("i2o: claim release of device %d failed %d\n",
                          dev->lct_data.tid, rc);
 
-        up(&dev->lock);
+        mutex_unlock(&dev->lock);
 
         return rc;
 }
@@ -198,7 +198,7 @@ static struct i2o_device *i2o_device_alloc(void)
                 return ERR_PTR(-ENOMEM);
 
         INIT_LIST_HEAD(&dev->list);
-        init_MUTEX(&dev->lock);
+        mutex_init(&dev->lock);
 
         dev->device.bus = &i2o_bus_type;
         dev->device.release = &i2o_device_release;
@@ -326,7 +326,7 @@ int i2o_device_parse_lct(struct i2o_controller *c)
         u16 table_size;
         u32 buf;
 
-        down(&c->lct_lock);
+        mutex_lock(&c->lct_lock);
 
         kfree(c->lct);
 
@@ -335,7 +335,7 @@ int i2o_device_parse_lct(struct i2o_controller *c)
 
         lct = c->lct = kmalloc(table_size * 4, GFP_KERNEL);
         if (!lct) {
-                up(&c->lct_lock);
+                mutex_unlock(&c->lct_lock);
                 return -ENOMEM;
         }
 
@@ -408,7 +408,7 @@ int i2o_device_parse_lct(struct i2o_controller *c)
                         i2o_device_remove(dev);
         }
 
-        up(&c->lct_lock);
+        mutex_unlock(&c->lct_lock);
 
         return 0;
 }
diff --git a/drivers/message/i2o/exec-osm.c b/drivers/message/i2o/exec-osm.c
index 5278aad92bc4..c13b9321e7ab 100644
--- a/drivers/message/i2o/exec-osm.c
+++ b/drivers/message/i2o/exec-osm.c
@@ -537,7 +537,7 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind)
         struct device *dev;
         struct i2o_message *msg;
 
-        down(&c->lct_lock);
+        mutex_lock(&c->lct_lock);
 
         dev = &c->pdev->dev;
 
@@ -561,7 +561,7 @@ static int i2o_exec_lct_notify(struct i2o_controller *c, u32 change_ind)
 
         i2o_msg_post(c, msg);
 
-        up(&c->lct_lock);
+        mutex_unlock(&c->lct_lock);
 
         return 0;
 };
diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
index 3305c12372a2..a1ec16a075c6 100644
--- a/drivers/message/i2o/iop.c
+++ b/drivers/message/i2o/iop.c
@@ -1067,7 +1067,7 @@ struct i2o_controller *i2o_iop_alloc(void)
 
         INIT_LIST_HEAD(&c->devices);
         spin_lock_init(&c->lock);
-        init_MUTEX(&c->lct_lock);
+        mutex_init(&c->lct_lock);
 
         device_initialize(&c->device);