#include <asm/io.h>
#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/device.h>
+#include <linux/timer.h>
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 */
void gameport_close(struct gameport *gameport);
void gameport_rescan(struct gameport *gameport);
+#if defined(CONFIG_GAMEPORT) || (defined(MODULE) && defined(CONFIG_GAMEPORT_MODULE))
+
void __gameport_register_port(struct gameport *gameport, struct module *owner);
static inline void gameport_register_port(struct gameport *gameport)
{
void gameport_unregister_port(struct gameport *gameport);
+void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+
+#else
+
+static inline void gameport_register_port(struct gameport *gameport)
+{
+ return;
+}
+
+static inline void gameport_unregister_port(struct gameport *gameport)
+{
+ return;
+}
+
+static inline void gameport_set_phys(struct gameport *gameport,
+ const char *fmt, ...)
+{
+ return;
+}
+
+#endif
+
static inline struct gameport *gameport_allocate_port(void)
{
struct gameport *gameport = kcalloc(1, sizeof(struct gameport), GFP_KERNEL);
strlcpy(gameport->name, name, sizeof(gameport->name));
}
-void gameport_set_phys(struct gameport *gameport, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-
/*
- * 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)
}
/*
- * 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);