[PATCH] TTY layer buffering revamp

[powerpc.git] / drivers / input / serio / serport.c

diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index 1bd88fc..54a680c 100644 (file)
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -96,6 +96,7 @@ static int serport_ldisc_open(struct tty_struct *tty)
        init_waitqueue_head(&serport->wait);
 
        tty->disc_data = serport;
+       tty->receive_room = 256;
        set_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
 
        return 0;
@@ -139,17 +140,6 @@ out:
        spin_unlock_irqrestore(&serport->lock, flags);
 }
 
-/*
- * serport_ldisc_room() reports how much room we do have for receiving data.
- * Although we in fact have infinite room, we need to specify some value
- * here, and 256 seems to be reasonable.
- */
-
-static int serport_ldisc_room(struct tty_struct *tty)
-{
-       return 256;
-}
-
 /*
  * serport_ldisc_read() just waits indefinitely if everything goes well.
  * However, when the serio driver closes the serio port, it finishes,
@@ -237,7 +227,6 @@ static struct tty_ldisc serport_ldisc = {
        .read =         serport_ldisc_read,
        .ioctl =        serport_ldisc_ioctl,
        .receive_buf =  serport_ldisc_receive,
-       .receive_room = serport_ldisc_room,
        .write_wakeup = serport_ldisc_write_wakeup
 };