Input: psmouse - make sure we don't schedule reconnects after cleanup
authorDmitry Torokhov <dmitry.torokhov@gmail.com>
Mon, 8 Feb 2010 07:10:04 +0000 (23:10 -0800)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Mon, 8 Feb 2010 07:53:41 +0000 (23:53 -0800)
Set state of the device as "initializing" during and after cleanup
to ensure that unsolicited data from the device is not passed on.
We especially want to avoid processing new device announcements
"0xaa 0x00" that can come up before we perform reconnect operation.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/input/mouse/psmouse-base.c

index 9774bdfaa482421fa66297e2d5a87b079bc87be8..d8c0c8d6992c92936db326dc28920350b899272d 100644 (file)
@@ -1141,7 +1141,14 @@ static void psmouse_cleanup(struct serio *serio)
                psmouse_deactivate(parent);
        }
 
-       psmouse_deactivate(psmouse);
+       psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
+
+       /*
+        * Disable stream mode so cleanup routine can proceed undisturbed.
+        */
+       if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE))
+               printk(KERN_WARNING "psmouse.c: Failed to disable mouse on %s\n",
+                       psmouse->ps2dev.serio->phys);
 
        if (psmouse->cleanup)
                psmouse->cleanup(psmouse);