X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fgameport.h;h=afad95272841827445d8258043351ba0d23fcf4c;hb=refs%2Fheads%2Fvserver;hp=2401dea2b867c798808f0433f575db7e0888f9b6;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/include/linux/gameport.h b/include/linux/gameport.h
index 2401dea2b..afad95272 100644
--- a/include/linux/gameport.h
+++ b/include/linux/gameport.h
@@ -9,8 +9,10 @@
  * the Free Software Foundation.
  */
 
+#ifdef __KERNEL__
 #include <asm/io.h>
 #include <linux/list.h>
+#include <linux/mutex.h>
 #include <linux/device.h>
 #include <linux/timer.h>
 
@@ -40,7 +42,7 @@ struct gameport {
 	struct gameport *parent, *child;
 
 	struct gameport_driver *drv;
-	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 */
@@ -103,7 +105,7 @@ static inline void gameport_set_phys(struct gameport *gameport,
 
 static inline struct gameport *gameport_allocate_port(void)
 {
-	struct gameport *gameport = kcalloc(1, sizeof(struct gameport), GFP_KERNEL);
+	struct gameport *gameport = kzalloc(sizeof(struct gameport), GFP_KERNEL);
 
 	return gameport;
 }
@@ -119,7 +121,7 @@ static inline void gameport_set_name(struct gameport *gameport, const char *name
 }
 
 /*
- * Use the following fucntions to manipulate gameport's per-port
+ * Use the following functions to manipulate gameport's per-port
  * driver-specific data.
  */
 static inline void *gameport_get_drvdata(struct gameport *gameport)
@@ -133,16 +135,16 @@ static inline void gameport_set_drvdata(struct gameport *gameport, void *data)
 }
 
 /*
- * Use the following fucntions to pin gameport's driver in process context
+ * Use the following functions to pin gameport's driver in process context
  */
 static inline int gameport_pin_driver(struct gameport *gameport)
 {
-	return down_interruptible(&gameport->drv_sem);
+	return mutex_lock_interruptible(&gameport->drv_mutex);
 }
 
 static inline void gameport_unpin_driver(struct gameport *gameport)
 {
-	up(&gameport->drv_sem);
+	mutex_unlock(&gameport->drv_mutex);
 }
 
 void __gameport_register_driver(struct gameport_driver *drv, struct module *owner);
@@ -153,6 +155,8 @@ static inline void gameport_register_driver(struct gameport_driver *drv)
 
 void gameport_unregister_driver(struct gameport_driver *drv);
 
+#endif /* __KERNEL__ */
+
 #define GAMEPORT_MODE_DISABLED		0
 #define GAMEPORT_MODE_RAW		1
 #define GAMEPORT_MODE_COOKED		2
@@ -168,6 +172,8 @@ void gameport_unregister_driver(struct gameport_driver *drv);
 #define GAMEPORT_ID_VENDOR_GRAVIS	0x0009
 #define GAMEPORT_ID_VENDOR_GUILLEMOT	0x000a
 
+#ifdef __KERNEL__
+
 static inline void gameport_trigger(struct gameport *gameport)
 {
 	if (gameport->trigger)
@@ -218,4 +224,5 @@ static inline void gameport_set_poll_interval(struct gameport *gameport, unsigne
 void gameport_start_polling(struct gameport *gameport);
 void gameport_stop_polling(struct gameport *gameport);
 
+#endif /* __KERNEL__ */
 #endif