4 files changed, 36 insertions, 8 deletions

diff --git a/include/linux/input.h b/include/linux/input.h
index 9d9598ed760d..b9cc0ac71f44 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -859,6 +859,10 @@ struct input_dev {
         int (*erase_effect)(struct input_dev *dev, int effect_id);
 
         struct input_handle *grab;
+
+        struct semaphore sem;   /* serializes open and close operations */
+        unsigned int users;
+
         struct device *dev;
 
         struct list_head        h_list;
diff --git a/include/linux/joystick.h b/include/linux/joystick.h
index b7e0ab622cd7..06b9af77eb7f 100644
--- a/include/linux/joystick.h
+++ b/include/linux/joystick.h
@@ -111,18 +111,35 @@ struct js_corr {
 #define JS_SET_ALL              8
 
 struct JS_DATA_TYPE {
-        int buttons;
-        int x;
-        int y;
+        __s32 buttons;
+        __s32 x;
+        __s32 y;
 };
 
-struct JS_DATA_SAVE_TYPE {
-        int JS_TIMEOUT;
-        int BUSY;
-        long JS_EXPIRETIME;
-        long JS_TIMELIMIT;
+struct JS_DATA_SAVE_TYPE_32 {
+        __s32 JS_TIMEOUT;
+        __s32 BUSY;
+        __s32 JS_EXPIRETIME;
+        __s32 JS_TIMELIMIT;
         struct JS_DATA_TYPE JS_SAVE;
         struct JS_DATA_TYPE JS_CORR;
 };
 
+struct JS_DATA_SAVE_TYPE_64 {
+        __s32 JS_TIMEOUT;
+        __s32 BUSY;
+        __s64 JS_EXPIRETIME;
+        __s64 JS_TIMELIMIT;
+        struct JS_DATA_TYPE JS_SAVE;
+        struct JS_DATA_TYPE JS_CORR;
+};
+
+#if BITS_PER_LONG == 64
+#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_64
+#elif BITS_PER_LONG == 32
+#define JS_DATA_SAVE_TYPE JS_DATA_SAVE_TYPE_32
+#else
+#error Unexpected BITS_PER_LONG
+#endif
+
 #endif /* _LINUX_JOYSTICK_H */
diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index 923bdbc6d9e4..a710bddda4eb 100644
--- a/include/linux/libps2.h
+++ b/include/linux/libps2.h
@@ -41,6 +41,7 @@ struct ps2dev {
 
 void ps2_init(struct ps2dev *ps2dev, struct serio *serio);
 int ps2_sendbyte(struct ps2dev *ps2dev, unsigned char byte, int timeout);
+void ps2_drain(struct ps2dev *ps2dev, int maxbytes, int timeout);
 int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command);
 int ps2_schedule_command(struct ps2dev *ps2dev, unsigned char *param, int command);
 int ps2_handle_ack(struct ps2dev *ps2dev, unsigned char data);
diff --git a/include/linux/serio.h b/include/linux/serio.h
index a2d3b9ae06f4..aa4d6493a034 100644
--- a/include/linux/serio.h
+++ b/include/linux/serio.h
@@ -83,6 +83,7 @@ static inline void serio_register_port(struct serio *serio)
 }
 
 void serio_unregister_port(struct serio *serio);
+void serio_unregister_child_port(struct serio *serio);
 void __serio_unregister_port_delayed(struct serio *serio, struct module *owner);
 static inline void serio_unregister_port_delayed(struct serio *serio)
 {
@@ -153,6 +154,11 @@ static inline int serio_pin_driver(struct serio *serio)
         return down_interruptible(&serio->drv_sem);
 }
 
+static inline void serio_pin_driver_uninterruptible(struct serio *serio)
+{
+        down(&serio->drv_sem);
+}
+
 static inline void serio_unpin_driver(struct serio *serio)
 {
         up(&serio->drv_sem);