Commit 62c13bad authored by Tilman Schmidt's avatar Tilman Schmidt Committed by David S. Miller

isdn/gigaset: drop unused ldisc methods

The line discipline read and write methods are optional so the dummy
methods in ser_gigaset are unnecessary and can be removed.
Signed-off-by: default avatarTilman Schmidt <tilman@imap.cc>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fd98e941
...@@ -606,28 +606,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty) ...@@ -606,28 +606,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty)
return 0; return 0;
} }
/*
* Read on the tty.
* Unused, received data goes only to the Gigaset driver.
*/
static ssize_t
gigaset_tty_read(struct tty_struct *tty, struct file *file,
unsigned char __user *buf, size_t count)
{
return -EAGAIN;
}
/*
* Write on the tty.
* Unused, transmit data comes only from the Gigaset driver.
*/
static ssize_t
gigaset_tty_write(struct tty_struct *tty, struct file *file,
const unsigned char *buf, size_t count)
{
return -EAGAIN;
}
/* /*
* Ioctl on the tty. * Ioctl on the tty.
* Called in process context only. * Called in process context only.
...@@ -761,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { ...@@ -761,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = {
.open = gigaset_tty_open, .open = gigaset_tty_open,
.close = gigaset_tty_close, .close = gigaset_tty_close,
.hangup = gigaset_tty_hangup, .hangup = gigaset_tty_hangup,
.read = gigaset_tty_read,
.write = gigaset_tty_write,
.ioctl = gigaset_tty_ioctl, .ioctl = gigaset_tty_ioctl,
.receive_buf = gigaset_tty_receive, .receive_buf = gigaset_tty_receive,
.write_wakeup = gigaset_tty_wakeup, .write_wakeup = gigaset_tty_wakeup,
......
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