Input: serio - semaphore to mutex conversion

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

3 files changed, 40 insertions, 38 deletions

diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index d4c990f7c8..79c97f94bc 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -84,7 +84,7 @@ void ps2_drain(struct ps2dev *ps2dev, int maxbytes, int timeout)
                 maxbytes = sizeof(ps2dev->cmdbuf);
         }
 
-        down(&ps2dev->cmd_sem);
+        mutex_lock(&ps2dev->cmd_mutex);
 
         serio_pause_rx(ps2dev->serio);
         ps2dev->flags = PS2_FLAG_CMD;
@@ -94,7 +94,7 @@ void ps2_drain(struct ps2dev *ps2dev, int maxbytes, int timeout)
         wait_event_timeout(ps2dev->wait,
                            !(ps2dev->flags & PS2_FLAG_CMD),
                            msecs_to_jiffies(timeout));
-        up(&ps2dev->cmd_sem);
+        mutex_unlock(&ps2dev->cmd_mutex);
 }
 
 /*
@@ -177,7 +177,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
                 return -1;
         }
 
-        down(&ps2dev->cmd_sem);
+        mutex_lock(&ps2dev->cmd_mutex);
 
         serio_pause_rx(ps2dev->serio);
         ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;
@@ -229,7 +229,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
         ps2dev->flags = 0;
         serio_continue_rx(ps2dev->serio);
 
-        up(&ps2dev->cmd_sem);
+        mutex_unlock(&ps2dev->cmd_mutex);
         return rc;
 }
 
@@ -281,7 +281,7 @@ int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int comman
 
 void ps2_init(struct ps2dev *ps2dev, struct serio *serio)
 {
-        init_MUTEX(&ps2dev->cmd_sem);
+        mutex_init(&ps2dev->cmd_mutex);
         init_waitqueue_head(&ps2dev->wait);
         ps2dev->serio = serio;
 }
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 2f76813c3a..79e5e77ce0 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -34,6 +34,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/kthread.h>
+#include <linux/mutex.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Serio abstraction core");
@@ -52,10 +53,10 @@ EXPORT_SYMBOL(serio_rescan);
 EXPORT_SYMBOL(serio_reconnect);
 
 /*
- * serio_sem protects entire serio subsystem and is taken every time
+ * serio_mutex protects entire serio subsystem and is taken every time
  * serio port or driver registrered or unregistered.
  */
-static DECLARE_MUTEX(serio_sem);
+static DEFINE_MUTEX(serio_mutex);
 
 static LIST_HEAD(serio_list);
 
@@ -70,9 +71,9 @@ static int serio_connect_driver(struct serio *serio, struct serio_driver *drv)
 {
         int retval;
 
-        down(&serio->drv_sem);
+        mutex_lock(&serio->drv_mutex);
         retval = drv->connect(serio, drv);
-        up(&serio->drv_sem);
+        mutex_unlock(&serio->drv_mutex);
 
         return retval;
 }
@@ -81,20 +82,20 @@ static int serio_reconnect_driver(struct serio *serio)
 {
         int retval = -1;
 
-        down(&serio->drv_sem);
+        mutex_lock(&serio->drv_mutex);
         if (serio->drv && serio->drv->reconnect)
                 retval = serio->drv->reconnect(serio);
-        up(&serio->drv_sem);
+        mutex_unlock(&serio->drv_mutex);
 
         return retval;
 }
 
 static void serio_disconnect_driver(struct serio *serio)
 {
-        down(&serio->drv_sem);
+        mutex_lock(&serio->drv_mutex);
         if (serio->drv)
                 serio->drv->disconnect(serio);
-        up(&serio->drv_sem);
+        mutex_unlock(&serio->drv_mutex);
 }
 
 static int serio_match_port(const struct serio_device_id *ids, struct serio *serio)
@@ -272,7 +273,7 @@ static void serio_handle_event(void)
         struct serio_event *event;
         struct serio_driver *serio_drv;
 
-        down(&serio_sem);
+        mutex_lock(&serio_mutex);
 
         /*
          * Note that we handle only one event here to give swsusp
@@ -314,7 +315,7 @@ static void serio_handle_event(void)
                 serio_free_event(event);
         }
 
-        up(&serio_sem);
+        mutex_unlock(&serio_mutex);
 }
 
 /*
@@ -449,7 +450,7 @@ static ssize_t serio_rebind_driver(struct device *dev, struct device_attribute *
         struct device_driver *drv;
         int retval;
 
-        retval = down_interruptible(&serio_sem);
+        retval = mutex_lock_interruptible(&serio_mutex);
         if (retval)
                 return retval;
 
@@ -469,7 +470,7 @@ static ssize_t serio_rebind_driver(struct device *dev, struct device_attribute *
                 retval = -EINVAL;
         }
 
-        up(&serio_sem);
+        mutex_unlock(&serio_mutex);
 
         return retval;
 }
@@ -524,7 +525,7 @@ static void serio_init_port(struct serio *serio)
         __module_get(THIS_MODULE);
 
         spin_lock_init(&serio->lock);
-        init_MUTEX(&serio->drv_sem);
+        mutex_init(&serio->drv_mutex);
         device_initialize(&serio->dev);
         snprintf(serio->dev.bus_id, sizeof(serio->dev.bus_id),
                  "serio%ld", (long)atomic_inc_return(&serio_no) - 1);
@@ -661,10 +662,10 @@ void __serio_register_port(struct serio *serio, struct module *owner)
  */
 void serio_unregister_port(struct serio *serio)
 {
-        down(&serio_sem);
+        mutex_lock(&serio_mutex);
         serio_disconnect_port(serio);
         serio_destroy_port(serio);
-        up(&serio_sem);
+        mutex_unlock(&serio_mutex);
 }
 
 /*
@@ -672,17 +673,17 @@ void serio_unregister_port(struct serio *serio)
  */