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Subject[PATCH 46/68] TTY: simserial, remove some tty ops
Date
All ->start, ->stop and ->wait_until_sent are empty and need not be
defined. The time to remove them is now.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
---
arch/ia64/hp/sim/simserial.c | 39 +--------------------------------------
1 file changed, 1 insertion(+), 38 deletions(-)

diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 909357e..d173dba 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -64,32 +64,7 @@ static struct console *console;

extern struct console *console_drivers; /* from kernel/printk.c */

-/*
- * ------------------------------------------------------------
- * rs_stop() and rs_start()
- *
- * This routines are called before setting or resetting tty->stopped.
- * They enable or disable transmitter interrupts, as necessary.
- * ------------------------------------------------------------
- */
-static void rs_stop(struct tty_struct *tty)
-{
-#ifdef SIMSERIAL_DEBUG
- printk("rs_stop: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
- tty->stopped, tty->hw_stopped, tty->flow_stopped);
-#endif
-
-}
-
-static void rs_start(struct tty_struct *tty)
-{
-#ifdef SIMSERIAL_DEBUG
- printk("rs_start: tty->stopped=%d tty->hw_stopped=%d tty->flow_stopped=%d\n",
- tty->stopped, tty->hw_stopped, tty->flow_stopped);
-#endif
-}
-
-static void receive_chars(struct tty_struct *tty)
+static void receive_chars(struct tty_struct *tty)
{
unsigned char ch;
static unsigned char seen_esc = 0;
@@ -406,7 +381,6 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
if ((old_termios->c_cflag & CRTSCTS) &&
!(tty->termios->c_cflag & CRTSCTS)) {
tty->hw_stopped = 0;
- rs_start(tty);
}
}
/*
@@ -514,14 +488,6 @@ static void rs_close(struct tty_struct *tty, struct file * filp)
}

/*
- * rs_wait_until_sent() --- wait until the transmitter is empty
- */
-static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
-{
-}
-
-
-/*
* rs_hangup() --- called by tty_hangup() when a hangup is signaled.
*/
static void rs_hangup(struct tty_struct *tty)
@@ -736,10 +702,7 @@ static const struct tty_operations hp_ops = {
.unthrottle = rs_unthrottle,
.send_xchar = rs_send_xchar,
.set_termios = rs_set_termios,
- .stop = rs_stop,
- .start = rs_start,
.hangup = rs_hangup,
- .wait_until_sent = rs_wait_until_sent,
.proc_fops = &rs_proc_fops,
};

--
1.7.9.2



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