diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2013-03-07 13:12:34 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-18 16:24:30 -0700 |
| commit | ee7970690568b0c875467f475d9c957ec0d9e099 (patch) | |
| tree | cc24352913013c5e574d055d3c52a8f778150194 /drivers/tty/serial/68328serial.c | |
| parent | 4d29994ddb4cc97e19a533834df2e0fdb1c1d8a8 (diff) | |
TTY: cleanup tty->hw_stopped uses
tty->hw_stopped is set only by drivers to remember HW state. If it is
never set to 1 in a particular driver, there is no need to check it in
the driver at all. Remove such checks.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/68328serial.c')
| -rw-r--r-- | drivers/tty/serial/68328serial.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c index 49399470794..ef2e08e9b59 100644 --- a/drivers/tty/serial/68328serial.c +++ b/drivers/tty/serial/68328serial.c @@ -630,8 +630,7 @@ static void rs_flush_chars(struct tty_struct *tty) /* Enable transmitter */ local_irq_save(flags); - if (info->xmit_cnt <= 0 || tty->stopped || tty->hw_stopped || - !info->xmit_buf) { + if (info->xmit_cnt <= 0 || tty->stopped || !info->xmit_buf) { local_irq_restore(flags); return; } @@ -697,7 +696,7 @@ static int rs_write(struct tty_struct * tty, total += c; } - if (info->xmit_cnt && !tty->stopped && !tty->hw_stopped) { + if (info->xmit_cnt && !tty->stopped) { /* Enable transmitter */ local_irq_disable(); #ifndef USE_INTS @@ -978,10 +977,8 @@ static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) change_speed(info, tty); if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios.c_cflag & CRTSCTS)) { - tty->hw_stopped = 0; + !(tty->termios.c_cflag & CRTSCTS)) rs_start(tty); - } } |