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| 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/crisv10.c | |
| parent | 4d29994ddb4cc97e19a533834df2e0fdb1c1d8a8 (diff) | |
| download | linux-3.10-ee7970690568b0c875467f475d9c957ec0d9e099.tar.gz linux-3.10-ee7970690568b0c875467f475d9c957ec0d9e099.tar.bz2 linux-3.10-ee7970690568b0c875467f475d9c957ec0d9e099.zip | |
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/crisv10.c')
| -rw-r--r-- | drivers/tty/serial/crisv10.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 5f37c31e32b..50f56f39d43 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -2534,8 +2534,7 @@ static void handle_ser_tx_interrupt(struct e100_serial *info) } /* Normal char-by-char interrupt */ if (info->xmit.head == info->xmit.tail - || info->port.tty->stopped - || info->port.tty->hw_stopped) { + || info->port.tty->stopped) { DFLOW(DEBUG_LOG(info->line, "tx_int: stopped %i\n", info->port.tty->stopped)); e100_disable_serial_tx_ready_irq(info); @@ -3098,7 +3097,6 @@ rs_flush_chars(struct tty_struct *tty) if (info->tr_running || info->xmit.head == info->xmit.tail || tty->stopped || - tty->hw_stopped || !info->xmit.buf) return; @@ -3176,7 +3174,6 @@ static int rs_raw_write(struct tty_struct *tty, if (info->xmit.head != info->xmit.tail && !tty->stopped && - !tty->hw_stopped && !info->tr_running) { start_transmit(info); } @@ -3733,10 +3730,8 @@ rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios) /* Handle turning off CRTSCTS */ if ((old_termios->c_cflag & CRTSCTS) && - !(tty->termios.c_cflag & CRTSCTS)) { - tty->hw_stopped = 0; + !(tty->termios.c_cflag & CRTSCTS)) rs_start(tty); - } } @@ -4256,9 +4251,6 @@ static void seq_line_info(struct seq_file *m, struct e100_serial *info) if (info->port.tty->stopped) seq_printf(m, " stopped:%i", (int)info->port.tty->stopped); - if (info->port.tty->hw_stopped) - seq_printf(m, " hw_stopped:%i", - (int)info->port.tty->hw_stopped); } { |