Input: serio - support multiple child devices per single parent
Some (rare) serio devices need to have multiple serio children. One of
the examples is PS/2 multiplexer present on several TQC STKxxx boards,
which connect PS/2 keyboard and mouse to single tty port.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 73a7af2..cd9d0c9 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1584,10 +1584,10 @@
if (!new_dev)
return -ENOMEM;
- while (serio->child) {
+ while (!list_empty(&serio->children)) {
if (++retry > 3) {
printk(KERN_WARNING
- "psmouse: failed to destroy child port, "
+ "psmouse: failed to destroy children ports, "
"protocol change aborted.\n");
input_free_device(new_dev);
return -EIO;