diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2021-05-05 11:19:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-13 18:29:11 +0200 |
| commit | 4fb266e1976ed664252d172c4889c639abd53930 (patch) | |
| tree | 5c08eb7590b3d0c91821bb7b1f093be81d200330 /drivers | |
| parent | 3d18354248b14a5ffefaa31a43fd0d45a283e97d (diff) | |
| download | linux-4fb266e1976ed664252d172c4889c639abd53930.tar.gz | |
tty: remove empty tty_operations::flush_buffer
tty_operations::flush_buffer is optional. If it doesn't exist, nothing
is called. So remove almost¹ empty flush_buffer implementations.
¹ capi had an useless pr_debug in it.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Link: https://lore.kernel.org/r/20210505091928.22010-31-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/isdn/capi/capi.c | 6 | ||||
| -rw-r--r-- | drivers/s390/char/tty3270.c | 6 |
2 files changed, 0 insertions, 12 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c index dae80197ad9c..6d99b93bb09e 100644 --- a/drivers/isdn/capi/capi.c +++ b/drivers/isdn/capi/capi.c @@ -1249,11 +1249,6 @@ static int capinc_tty_break_ctl(struct tty_struct *tty, int state) return 0; } -static void capinc_tty_flush_buffer(struct tty_struct *tty) -{ - pr_debug("capinc_tty_flush_buffer\n"); -} - static void capinc_tty_set_ldisc(struct tty_struct *tty) { pr_debug("capinc_tty_set_ldisc\n"); @@ -1279,7 +1274,6 @@ static const struct tty_operations capinc_ops = { .start = capinc_tty_start, .hangup = capinc_tty_hangup, .break_ctl = capinc_tty_break_ctl, - .flush_buffer = capinc_tty_flush_buffer, .set_ldisc = capinc_tty_set_ldisc, .send_xchar = capinc_tty_send_xchar, .install = capinc_tty_install, diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index ba1fbce63fee..adc33846bf8e 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -1756,11 +1756,6 @@ tty3270_flush_chars(struct tty_struct *tty) } } -static void -tty3270_flush_buffer(struct tty_struct *tty) -{ -} - /* * Check for visible/invisible input switches */ @@ -1881,7 +1876,6 @@ static const struct tty_operations tty3270_ops = { .put_char = tty3270_put_char, .flush_chars = tty3270_flush_chars, .write_room = tty3270_write_room, - .flush_buffer = tty3270_flush_buffer, .throttle = tty3270_throttle, .unthrottle = tty3270_unthrottle, .hangup = tty3270_hangup, |