diff options
Diffstat (limited to 'drivers/char/n_hdlc.c')
| -rw-r--r-- | drivers/char/n_hdlc.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c index c3660d8781a..9f54733f162 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/char/n_hdlc.c @@ -191,7 +191,6 @@ static unsigned int n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp, poll_table *wait); static int n_hdlc_tty_open(struct tty_struct *tty); static void n_hdlc_tty_close(struct tty_struct *tty); -static int n_hdlc_tty_room(struct tty_struct *tty); static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *cp, char *fp, int count); static void n_hdlc_tty_wakeup(struct tty_struct *tty); @@ -212,7 +211,6 @@ static struct tty_ldisc n_hdlc_ldisc = { .ioctl = n_hdlc_tty_ioctl, .poll = n_hdlc_tty_poll, .receive_buf = n_hdlc_tty_receive, - .receive_room = n_hdlc_tty_room, .write_wakeup = n_hdlc_tty_wakeup, }; @@ -337,6 +335,7 @@ static int n_hdlc_tty_open (struct tty_struct *tty) tty->disc_data = n_hdlc; n_hdlc->tty = tty; + tty->receive_room = 65536; #if defined(TTY_NO_WRITE_SPLIT) /* change tty_io write() to not split large writes into 8K chunks */ @@ -478,22 +477,6 @@ static void n_hdlc_tty_wakeup(struct tty_struct *tty) } /* end of n_hdlc_tty_wakeup() */ /** - * n_hdlc_tty_room - Return the amount of space left in the receiver's buffer - * @tty - pointer to associated tty instance data - * - * Callback function from tty driver. Return the amount of space left in the - * receiver's buffer to decide if remote transmitter is to be throttled. - */ -static int n_hdlc_tty_room(struct tty_struct *tty) -{ - if (debuglevel >= DEBUG_LEVEL_INFO) - printk("%s(%d)n_hdlc_tty_room() called\n",__FILE__,__LINE__); - /* always return a larger number to prevent */ - /* throttling of remote transmitter. */ - return 65536; -} /* end of n_hdlc_tty_root() */ - -/** * n_hdlc_tty_receive - Called by tty driver when receive data is available * @tty - pointer to tty instance data * @data - pointer to received data @@ -562,7 +545,7 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data, } /* end of n_hdlc_tty_receive() */ /** - * n_hdlc_tty_read - Called to retreive one frame of data (if available) + * n_hdlc_tty_read - Called to retrieve one frame of data (if available) * @tty - pointer to tty instance data * @file - pointer to open file object * @buf - pointer to returned data buffer |