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>

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);