Merge branch 'next' into for-linus

Documentation/kernel-parameters.txt

@@ -796,6 +796,7 @@ and is between 256 and 4096 characters. It is defined in the file
 			Defaults to the default architecture's huge page size
 			if not specified.
 
+	i8042.debug	[HW] Toggle i8042 debug mode
 	i8042.direct	[HW] Put keyboard port into non-translated mode
 	i8042.dumbkbd	[HW] Pretend that controller can only read data from
 			     keyboard and cannot control its state

MAINTAINERS

@@ -4548,7 +4548,7 @@ WM97XX TOUCHSCREEN DRIVERS
 P:	Mark Brown
 M:	broonie@opensource.wolfsonmicro.com
 P:	Liam Girdwood
-M:	liam.girdwood@wolfsonmicro.com
+M:	lrg@slimlogic.co.uk
 L:	linux-input@vger.kernel.org
 T:	git git://opensource.wolfsonmicro.com/linux-2.6-touch
 W:	http://opensource.wolfsonmicro.com/node/7

drivers/char/keyboard.c

@@ -1249,7 +1249,7 @@ static void kbd_keycode(unsigned int keycode, int down, int hw_raw)
 		return;
 	}
 
-	if (keycode > NR_KEYS)
+	if (keycode >= NR_KEYS)
 		if (keycode >= KEY_BRL_DOT1 && keycode <= KEY_BRL_DOT8)
 			keysym = K(KT_BRL, keycode - KEY_BRL_DOT1 + 1);
 		else

drivers/input/gameport/gameport.c

@@ -231,6 +231,7 @@ static void gameport_find_driver(struct gameport *gameport)
 enum gameport_event_type {
 	GAMEPORT_REGISTER_PORT,
 	GAMEPORT_REGISTER_DRIVER,
+	GAMEPORT_ATTACH_DRIVER,
 };
 
 struct gameport_event {
@@ -245,11 +246,12 @@ static LIST_HEAD(gameport_event_list);
 static DECLARE_WAIT_QUEUE_HEAD(gameport_wait);
 static struct task_struct *gameport_task;
 
-static void gameport_queue_event(void *object, struct module *owner,
-			      enum gameport_event_type event_type)
+static int gameport_queue_event(void *object, struct module *owner,
+				enum gameport_event_type event_type)
 {
 	unsigned long flags;
 	struct gameport_event *event;
+	int retval = 0;
 
 	spin_lock_irqsave(&gameport_event_lock, flags);
 
@@ -268,24 +270,34 @@ static void gameport_queue_event(void *object, struct module *owner,
 		}
 	}
 
-	if ((event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC))) {
-		if (!try_module_get(owner)) {
-			printk(KERN_WARNING "gameport: Can't get module reference, dropping event %d\n", event_type);
-			kfree(event);
-			goto out;
-		}
-
-		event->type = event_type;
-		event->object = object;
-		event->owner = owner;
+	event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC);
+	if (!event) {
+		printk(KERN_ERR
+			"gameport: Not enough memory to queue event %d\n",
+			event_type);
+		retval = -ENOMEM;
+		goto out;
+	}
 
-		list_add_tail(&event->node, &gameport_event_list);
-		wake_up(&gameport_wait);
-	} else {
-		printk(KERN_ERR "gameport: Not enough memory to queue event %d\n", event_type);
+	if (!try_module_get(owner)) {
+		printk(KERN_WARNING
+			"gameport: Can't get module reference, dropping event %d\n",
+			event_type);
+		kfree(event);
+		retval = -EINVAL;
+		goto out;
 	}
+
+	event->type = event_type;
+	event->object = object;
+	event->owner = owner;
+
+	list_add_tail(&event->node, &gameport_event_list);
+	wake_up(&gameport_wait);
+
 out:
 	spin_unlock_irqrestore(&gameport_event_lock, flags);
+	return retval;
 }
 
 static void gameport_free_event(struct gameport_event *event)
@@ -378,9 +390,10 @@ static void gameport_handle_event(void)
 }
 
 /*
- * Remove all events that have been submitted for a given gameport port.
+ * Remove all events that have been submitted for a given object,
+ * be it a gameport port or a driver.
  */
-static void gameport_remove_pending_events(struct gameport *gameport)
+static void gameport_remove_pending_events(void *object)
 {
 	struct list_head *node, *next;
 	struct gameport_event *event;
@@ -390,7 +403,7 @@ static void gameport_remove_pending_events(struct gameport *gameport)
 
 	list_for_each_safe(node, next, &gameport_event_list) {
 		event = list_entry(node, struct gameport_event, node);
-		if (event->object == gameport) {
+		if (event->object == object) {
 			list_del_init(node);
 			gameport_free_event(event);
 		}
@@ -705,18 +718,50 @@ static void gameport_add_driver(struct gameport_driver *drv)
 			drv->driver.name, error);
 }
 
-void __gameport_register_driver(struct gameport_driver *drv, struct module *owner)
+int __gameport_register_driver(struct gameport_driver *drv, struct module *owner,
+				const char *mod_name)
 {
+	int error;
+
 	drv->driver.bus = &gameport_bus;
-	gameport_queue_event(drv, owner, GAMEPORT_REGISTER_DRIVER);
+	drv->driver.owner = owner;
+	drv->driver.mod_name = mod_name;
+
+	/*
+	 * Temporarily disable automatic binding because probing
+	 * takes long time and we are better off doing it in kgameportd
+	 */
+	drv->ignore = 1;
+
+	error = driver_register(&drv->driver);
+	if (error) {
+		printk(KERN_ERR
+			"gameport: driver_register() failed for %s, error: %d\n",
+			drv->driver.name, error);
+		return error;
+	}
+
+	/*
+	 * Reset ignore flag and let kgameportd bind the driver to free ports
+	 */
+	drv->ignore = 0;
+	error = gameport_queue_event(drv, NULL, GAMEPORT_ATTACH_DRIVER);
+	if (error) {
+		driver_unregister(&drv->driver);
+		return error;
+	}
+
+	return 0;
 }
 
 void gameport_unregister_driver(struct gameport_driver *drv)
 {
 	struct gameport *gameport;
 
 	mutex_lock(&gameport_mutex);
+
 	drv->ignore = 1;	/* so gameport_find_driver ignores it */
+	gameport_remove_pending_events(drv);
 
 start_over:
 	list_for_each_entry(gameport, &gameport_list, node) {
@@ -729,6 +774,7 @@ void gameport_unregister_driver(struct gameport_driver *drv)
 	}
 
 	driver_unregister(&drv->driver);
+
 	mutex_unlock(&gameport_mutex);
 }
 

drivers/input/joystick/a3d.c

@@ -414,8 +414,7 @@ static struct gameport_driver a3d_drv = {
 
 static int __init a3d_init(void)
 {
-	gameport_register_driver(&a3d_drv);
-	return 0;
+	return gameport_register_driver(&a3d_drv);
 }
 
 static void __exit a3d_exit(void)

drivers/input/joystick/adi.c

@@ -572,8 +572,7 @@ static struct gameport_driver adi_drv = {
 
 static int __init adi_init(void)
 {
-	gameport_register_driver(&adi_drv);
-	return 0;
+	return gameport_register_driver(&adi_drv);
 }
 
 static void __exit adi_exit(void)

drivers/input/joystick/analog.c

@@ -761,9 +761,7 @@ static struct gameport_driver analog_drv = {
 static int __init analog_init(void)
 {
 	analog_parse_options();
-	gameport_register_driver(&analog_drv);
-
-	return 0;
+	return gameport_register_driver(&analog_drv);
 }
 
 static void __exit analog_exit(void)

drivers/input/joystick/cobra.c

@@ -263,8 +263,7 @@ static struct gameport_driver cobra_drv = {
 
 static int __init cobra_init(void)
 {
-	gameport_register_driver(&cobra_drv);
-	return 0;
+	return gameport_register_driver(&cobra_drv);
 }
 
 static void __exit cobra_exit(void)

drivers/input/joystick/gf2k.c

@@ -375,8 +375,7 @@ static struct gameport_driver gf2k_drv = {
 
 static int __init gf2k_init(void)
 {
-	gameport_register_driver(&gf2k_drv);
-	return 0;
+	return gameport_register_driver(&gf2k_drv);
 }
 
 static void __exit gf2k_exit(void)

drivers/input/joystick/grip.c

@@ -426,8 +426,7 @@ static struct gameport_driver grip_drv = {
 
 static int __init grip_init(void)
 {
-	gameport_register_driver(&grip_drv);
-	return 0;
+	return gameport_register_driver(&grip_drv);
 }
 
 static void __exit grip_exit(void)

drivers/input/joystick/grip_mp.c

@@ -689,8 +689,7 @@ static struct gameport_driver grip_drv = {
 
 static int __init grip_init(void)
 {
-	gameport_register_driver(&grip_drv);
-	return 0;
+	return gameport_register_driver(&grip_drv);
 }
 
 static void __exit grip_exit(void)

drivers/input/joystick/guillemot.c

@@ -283,8 +283,7 @@ static struct gameport_driver guillemot_drv = {
 
 static int __init guillemot_init(void)
 {
-	gameport_register_driver(&guillemot_drv);
-	return 0;
+	return gameport_register_driver(&guillemot_drv);
 }
 
 static void __exit guillemot_exit(void)

drivers/input/joystick/interact.c

@@ -317,8 +317,7 @@ static struct gameport_driver interact_drv = {
 
 static int __init interact_init(void)
 {
-	gameport_register_driver(&interact_drv);
-	return 0;
+	return gameport_register_driver(&interact_drv);
 }
 
 static void __exit interact_exit(void)

drivers/input/joystick/joydump.c

@@ -161,8 +161,7 @@ static struct gameport_driver joydump_drv = {
 
 static int __init joydump_init(void)
 {
-	gameport_register_driver(&joydump_drv);
-	return 0;
+	return gameport_register_driver(&joydump_drv);
 }
 
 static void __exit joydump_exit(void)

drivers/input/joystick/sidewinder.c

@@ -818,8 +818,7 @@ static struct gameport_driver sw_drv = {
 
 static int __init sw_init(void)
 {
-	gameport_register_driver(&sw_drv);
-	return 0;
+	return gameport_register_driver(&sw_drv);
 }
 
 static void __exit sw_exit(void)

drivers/input/joystick/tmdc.c

@@ -438,8 +438,7 @@ static struct gameport_driver tmdc_drv = {
 
 static int __init tmdc_init(void)
 {
-	gameport_register_driver(&tmdc_drv);
-	return 0;
+	return gameport_register_driver(&tmdc_drv);
 }
 
 static void __exit tmdc_exit(void)