diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-09-24 11:13:15 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-11-04 11:25:53 +0000 |
| commit | dec94e70e12c39440e63159e0050d46795dfcf09 (patch) | |
| tree | 23288ad3713e46ab71fcff90ea73b206b4c73919 /drivers/tty | |
| parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
| download | linux-dec94e70e12c39440e63159e0050d46795dfcf09.tar.bz2 | |
SERIAL: core: use local variable uport in uart_set_termios()
This is to make the following change more clear.
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 0fcfd98a9566..bc2065d323b9 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1210,6 +1210,7 @@ static void uart_set_termios(struct tty_struct *tty, struct ktermios *old_termios) { struct uart_state *state = tty->driver_data; + struct uart_port *uport = state->uart_port; unsigned long flags; unsigned int cflag = tty->termios.c_cflag; @@ -1232,31 +1233,31 @@ static void uart_set_termios(struct tty_struct *tty, /* Handle transition to B0 status */ if ((old_termios->c_cflag & CBAUD) && !(cflag & CBAUD)) - uart_clear_mctrl(state->uart_port, TIOCM_RTS | TIOCM_DTR); + uart_clear_mctrl(uport, TIOCM_RTS | TIOCM_DTR); /* Handle transition away from B0 status */ else if (!(old_termios->c_cflag & CBAUD) && (cflag & CBAUD)) { unsigned int mask = TIOCM_DTR; if (!(cflag & CRTSCTS) || !test_bit(TTY_THROTTLED, &tty->flags)) mask |= TIOCM_RTS; - uart_set_mctrl(state->uart_port, mask); + uart_set_mctrl(uport, mask); } /* Handle turning off CRTSCTS */ if ((old_termios->c_cflag & CRTSCTS) && !(cflag & CRTSCTS)) { - spin_lock_irqsave(&state->uart_port->lock, flags); + spin_lock_irqsave(&uport->lock, flags); tty->hw_stopped = 0; __uart_start(tty); - spin_unlock_irqrestore(&state->uart_port->lock, flags); + spin_unlock_irqrestore(&uport->lock, flags); } /* Handle turning on CRTSCTS */ else if (!(old_termios->c_cflag & CRTSCTS) && (cflag & CRTSCTS)) { - spin_lock_irqsave(&state->uart_port->lock, flags); - if (!(state->uart_port->ops->get_mctrl(state->uart_port) & TIOCM_CTS)) { + spin_lock_irqsave(&uport->lock, flags); + if (!(uport->ops->get_mctrl(uport) & TIOCM_CTS)) { tty->hw_stopped = 1; - state->uart_port->ops->stop_tx(state->uart_port); + uport->ops->stop_tx(uport); } - spin_unlock_irqrestore(&state->uart_port->lock, flags); + spin_unlock_irqrestore(&uport->lock, flags); } } |