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authorTilman Schmidt <tilman@imap.cc>2013-01-21 11:57:20 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-21 17:36:25 -0500
commitcdc4827098d128423297720dcf33792d85079b78 (patch)
tree8c3b755080f25a11079409bea9e27ac309483551 /drivers/isdn/gigaset
parentd2ca8481941efca3300227f0a60003af21ad2895 (diff)
isdn/gigaset: beautify interface.c
Avoid forward declarations and remove a needless initialization. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn/gigaset')
-rw-r--r--drivers/isdn/gigaset/interface.c46
1 files changed, 15 insertions, 31 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 67abf3ff45e8..20b7e7a1190f 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -112,36 +112,6 @@ static int if_config(struct cardstate *cs, int *arg)
}
/*** the terminal driver ***/
-/* stolen from usbserial and some other tty drivers */
-
-static int if_open(struct tty_struct *tty, struct file *filp);
-static void if_close(struct tty_struct *tty, struct file *filp);
-static int if_ioctl(struct tty_struct *tty,
- unsigned int cmd, unsigned long arg);
-static int if_write_room(struct tty_struct *tty);
-static int if_chars_in_buffer(struct tty_struct *tty);
-static void if_throttle(struct tty_struct *tty);
-static void if_unthrottle(struct tty_struct *tty);
-static void if_set_termios(struct tty_struct *tty, struct ktermios *old);
-static int if_tiocmget(struct tty_struct *tty);
-static int if_tiocmset(struct tty_struct *tty,
- unsigned int set, unsigned int clear);
-static int if_write(struct tty_struct *tty,
- const unsigned char *buf, int count);
-
-static const struct tty_operations if_ops = {
- .open = if_open,
- .close = if_close,
- .ioctl = if_ioctl,
- .write = if_write,
- .write_room = if_write_room,
- .chars_in_buffer = if_chars_in_buffer,
- .set_termios = if_set_termios,
- .throttle = if_throttle,
- .unthrottle = if_unthrottle,
- .tiocmget = if_tiocmget,
- .tiocmset = if_tiocmset,
-};
static int if_open(struct tty_struct *tty, struct file *filp)
{
@@ -355,7 +325,7 @@ done:
static int if_write_room(struct tty_struct *tty)
{
struct cardstate *cs = tty->driver_data;
- int retval = -ENODEV;
+ int retval;
gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
@@ -498,6 +468,20 @@ out:
mutex_unlock(&cs->mutex);
}
+static const struct tty_operations if_ops = {
+ .open = if_open,
+ .close = if_close,
+ .ioctl = if_ioctl,
+ .write = if_write,
+ .write_room = if_write_room,
+ .chars_in_buffer = if_chars_in_buffer,
+ .set_termios = if_set_termios,
+ .throttle = if_throttle,
+ .unthrottle = if_unthrottle,
+ .tiocmget = if_tiocmget,
+ .tiocmset = if_tiocmset,
+};
+
/* wakeup tasklet for the write operation */
static void if_wake(unsigned long data)