All ::flush_chars(), ::hangup(), and ::wait_until_sent() from struct
tty_operations are optional. There is no need to provide them with
empty bodies.
tty_operations::put_char() needs not be provided if it is the same as
tty_operations::write(tty, &ch, 1).
So drop all of them.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
Cc: Chris Zankel <chris@xxxxxxxxxx>
Cc: Max Filippov <jcmvbkbc@xxxxxxxxx>
---
arch/xtensa/platforms/iss/console.c | 24 ------------------------
1 file changed, 24 deletions(-)
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 10b79d3c74e0..b40b73809dd8 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -82,32 +82,12 @@ static void rs_poll(struct timer_list *unused)
mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE);
}
-
-static int rs_put_char(struct tty_struct *tty, unsigned char ch)
-{
- return rs_write(tty, &ch, 1);
-}
-
-static void rs_flush_chars(struct tty_struct *tty)
-{
-}
-
static unsigned int rs_write_room(struct tty_struct *tty)
{
/* Let's say iss can always accept 2K characters.. */
return 2 * 1024;
}
-static void rs_hangup(struct tty_struct *tty)
-{
- /* Stub, once again.. */
-}
-
-static void rs_wait_until_sent(struct tty_struct *tty, int timeout)
-{
- /* Stub, once again.. */
-}
-
static int rs_proc_show(struct seq_file *m, void *v)
{
seq_printf(m, "serinfo:1.0 driver:0.1\n");
@@ -118,11 +98,7 @@ static const struct tty_operations serial_ops = {
.open = rs_open,
.close = rs_close,
.write = rs_write,
- .put_char = rs_put_char,
- .flush_chars = rs_flush_chars,
.write_room = rs_write_room,
- .hangup = rs_hangup,
- .wait_until_sent = rs_wait_until_sent,
.proc_show = rs_proc_show,
};
--
2.41.0
