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>

2 files changed, 6 insertions, 5 deletions

diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index a710bddda4eb..08a450a9dbf7 100644
--- a/include/linux/libps2.h
+++ b/include/linux/libps2.h
@@ -28,7 +28,7 @@ struct ps2dev {
         struct serio *serio;
 
         /* Ensures that only one command is executing at a time */
-        struct semaphore cmd_sem;
+        struct mutex cmd_mutex;
 
         /* Used to signal completion from interrupt handler */
         wait_queue_head_t wait;
diff --git a/include/linux/serio.h b/include/linux/serio.h
index aa4d6493a034..582db2392d94 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -18,6 +18,7 @@
 #include <linux/interrupt.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
 
@@ -42,7 +43,7 @@ struct serio {
         struct serio *parent, *child;
 
         struct serio_driver *drv;       /* accessed from interrupt, must be protected by serio->lock and serio->sem */
-        struct semaphore drv_sem;       /* protects serio->drv so attributes can pin driver */
+        struct mutex drv_mutex;         /* protects serio->drv so attributes can pin driver */
 
         struct device dev;
         unsigned int registered;        /* port has been fully registered with driver core */
@@ -151,17 +152,17 @@ static inline void serio_continue_rx(struct serio *serio)
  */
 static inline int serio_pin_driver(struct serio *serio)
 {
-        return down_interruptible(&serio->drv_sem);
+        return mutex_lock_interruptible(&serio->drv_mutex);
 }
 
 static inline void serio_pin_driver_uninterruptible(struct serio *serio)
 {
-        down(&serio->drv_sem);
+        mutex_lock(&serio->drv_mutex);
 }
 
 static inline void serio_unpin_driver(struct serio *serio)
 {
-        up(&serio->drv_sem);
+        mutex_unlock(&serio->drv_mutex);
 }