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Char: moxa, remove useless tty functions

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- moxa_flush_chars -- no code; ldics handle this well
- moxa_put_char -- only wrapper to moxa_write (same code), tty does this
  the same way if tty->driver->put_char is NULL

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Tested-by: Oyvind Aabling <Oyvind.Aabling@uni-c.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2008-04-30 00:53:47 -07:00 committed by Linus Torvalds
parent eaa95a8da6
commit 92d30a9372
1 changed files with 0 additions and 25 deletions
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25
drivers/char/moxa.c
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@ -193,8 +193,6 @@ static int moxa_write(struct tty_struct *, const unsigned char *, int);
static int moxa_write_room(struct tty_struct *);
static void moxa_flush_buffer(struct tty_struct *);
static int moxa_chars_in_buffer(struct tty_struct *);
static void moxa_flush_chars(struct tty_struct *);
static void moxa_put_char(struct tty_struct *, unsigned char);
static void moxa_throttle(struct tty_struct *);
static void moxa_unthrottle(struct tty_struct *);
static void moxa_set_termios(struct tty_struct *, struct ktermios *);
@ -391,8 +389,6 @@ static const struct tty_operations moxa_ops = {
.write_room = moxa_write_room,
.flush_buffer = moxa_flush_buffer,
.chars_in_buffer = moxa_chars_in_buffer,
.flush_chars = moxa_flush_chars,
.put_char = moxa_put_char,
.ioctl = moxa_ioctl,
.throttle = moxa_throttle,
.unthrottle = moxa_unthrottle,
@ -1284,27 +1280,6 @@ static int moxa_chars_in_buffer(struct tty_struct *tty)
return chars;
}
static void moxa_flush_chars(struct tty_struct *tty)
{
/*
* Don't think I need this, because this is called to empty the TX
* buffer for the 16450, 16550, etc.
*/
}
static void moxa_put_char(struct tty_struct *tty, unsigned char c)
{
struct moxa_port *ch = tty->driver_data;
if (ch == NULL)
return;
spin_lock_bh(&moxa_lock);
MoxaPortWriteData(ch, &c, 1);
spin_unlock_bh(&moxa_lock);
ch->statusflags |= LOWWAIT;
}
static int moxa_tiocmget(struct tty_struct *tty, struct file *file)
{
struct moxa_port *ch;