Input: make serio and gameport more swsusp friendly

[linux-2.6] / drivers / input / gameport / gameport.c

diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 0506934244f001861f309f40fa33e0eee4e0fc3b..caac6d63d46f4a7da7ffc70293aad635d7c6bb37 100644 (file)
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -339,14 +339,20 @@ static struct gameport_event *gameport_get_event(void)
        return event;
 }
 
-static void gameport_handle_events(void)
+static void gameport_handle_event(void)
 {
        struct gameport_event *event;
        struct gameport_driver *gameport_drv;
 
        down(&gameport_sem);
 
-       while ((event = gameport_get_event())) {
+       /*
+        * Note that we handle only one event here to give swsusp
+        * a chance to freeze kgameportd thread. Gameport events
+        * should be pretty rare so we are not concerned about
+        * taking performance hit.
+        */
+       if ((event = gameport_get_event())) {
 
                switch (event->type) {
                        case GAMEPORT_REGISTER_PORT:
@@ -433,7 +439,7 @@ static struct gameport *gameport_get_pending_child(struct gameport *parent)
 static int gameport_thread(void *nothing)
 {
        do {
-               gameport_handle_events();
+               gameport_handle_event();
                wait_event_interruptible(gameport_wait,
                        kthread_should_stop() || !list_empty(&gameport_event_list));
                try_to_freeze();