diff options
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r-- | drivers/tty/n_tty.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index b280abaad91b..90eca2605fbf 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c | |||
@@ -381,28 +381,6 @@ static void n_tty_flush_buffer(struct tty_struct *tty) | |||
381 | } | 381 | } |
382 | 382 | ||
383 | /** | 383 | /** |
384 | * n_tty_chars_in_buffer - report available bytes | ||
385 | * @tty: tty device | ||
386 | * | ||
387 | * Report the number of characters buffered to be delivered to user | ||
388 | * at this instant in time. | ||
389 | * | ||
390 | * Locking: exclusive termios_rwsem | ||
391 | */ | ||
392 | |||
393 | static ssize_t n_tty_chars_in_buffer(struct tty_struct *tty) | ||
394 | { | ||
395 | ssize_t n; | ||
396 | |||
397 | WARN_ONCE(1, "%s is deprecated and scheduled for removal.", __func__); | ||
398 | |||
399 | down_write(&tty->termios_rwsem); | ||
400 | n = chars_in_buffer(tty); | ||
401 | up_write(&tty->termios_rwsem); | ||
402 | return n; | ||
403 | } | ||
404 | |||
405 | /** | ||
406 | * is_utf8_continuation - utf8 multibyte check | 384 | * is_utf8_continuation - utf8 multibyte check |
407 | * @c: byte to check | 385 | * @c: byte to check |
408 | * | 386 | * |
@@ -2525,7 +2503,6 @@ struct tty_ldisc_ops tty_ldisc_N_TTY = { | |||
2525 | .open = n_tty_open, | 2503 | .open = n_tty_open, |
2526 | .close = n_tty_close, | 2504 | .close = n_tty_close, |
2527 | .flush_buffer = n_tty_flush_buffer, | 2505 | .flush_buffer = n_tty_flush_buffer, |
2528 | .chars_in_buffer = n_tty_chars_in_buffer, | ||
2529 | .read = n_tty_read, | 2506 | .read = n_tty_read, |
2530 | .write = n_tty_write, | 2507 | .write = n_tty_write, |
2531 | .ioctl = n_tty_ioctl, | 2508 | .ioctl = n_tty_ioctl, |