diff options
| author | Tilman Schmidt <tilman@imap.cc> | 2015-07-14 00:37:13 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-07-16 02:24:45 +0200 |
| commit | 62c13bad39211387afd4354e8e127a535d13e70d (patch) | |
| tree | c0fc440922c543073a7ef0dad61b16c6922a184a | |
| parent | isdn/gigaset: reset tty->receive_room when attaching ser_gigaset (diff) | |
| download | linux-62c13bad39211387afd4354e8e127a535d13e70d.tar.xz linux-62c13bad39211387afd4354e8e127a535d13e70d.zip | |
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: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/isdn/gigaset/ser-gigaset.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c index 3ac9c4194814..375be509e95f 100644 --- a/drivers/isdn/gigaset/ser-gigaset.c +++ b/drivers/isdn/gigaset/ser-gigaset.c @@ -607,28 +607,6 @@ static int gigaset_tty_hangup(struct tty_struct *tty) } /* - * 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. * Called in process context only. * May be re-entered by multiple ioctl calling threads. @@ -761,8 +739,6 @@ static struct tty_ldisc_ops gigaset_ldisc = { .open = gigaset_tty_open, .close = gigaset_tty_close, .hangup = gigaset_tty_hangup, - .read = gigaset_tty_read, - .write = gigaset_tty_write, .ioctl = gigaset_tty_ioctl, .receive_buf = gigaset_tty_receive, .write_wakeup = gigaset_tty_wakeup, |