diff options
-rw-r--r-- | drivers/tty/serial/8250/8250_port.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 85b75ff0699e..2af89038e50e 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -2547,23 +2547,20 @@ static unsigned int serial8250_get_divisor(struct uart_port *port, return serial8250_do_get_divisor(port, baud, frac); } -static unsigned char serial8250_compute_lcr(struct uart_8250_port *up, - tcflag_t c_cflag) +static unsigned char serial8250_compute_lcr(struct uart_8250_port *up, tcflag_t c_cflag) { - unsigned char cval; - - cval = UART_LCR_WLEN(tty_get_char_size(c_cflag)); + u8 lcr = UART_LCR_WLEN(tty_get_char_size(c_cflag)); if (c_cflag & CSTOPB) - cval |= UART_LCR_STOP; + lcr |= UART_LCR_STOP; if (c_cflag & PARENB) - cval |= UART_LCR_PARITY; + lcr |= UART_LCR_PARITY; if (!(c_cflag & PARODD)) - cval |= UART_LCR_EPAR; + lcr |= UART_LCR_EPAR; if (c_cflag & CMSPAR) - cval |= UART_LCR_SPAR; + lcr |= UART_LCR_SPAR; - return cval; + return lcr; } void serial8250_do_set_divisor(struct uart_port *port, unsigned int baud, @@ -2821,12 +2818,12 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, const struct ktermios *old) { struct uart_8250_port *up = up_to_u8250p(port); - unsigned char cval; unsigned long flags; unsigned int baud, quot, frac = 0; + u8 lcr; serial8250_set_mini(port, termios); - cval = serial8250_compute_lcr(up, termios->c_cflag); + lcr = serial8250_compute_lcr(up, termios->c_cflag); baud = serial8250_get_baud_rate(port, termios, old); quot = serial8250_get_divisor(port, baud, &frac); @@ -2839,7 +2836,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios, serial8250_rpm_get(up); uart_port_lock_irqsave(port, &flags); - up->lcr = cval; /* Save computed LCR */ + up->lcr = lcr; serial8250_set_trigger_for_slow_speed(port, termios, baud); serial8250_set_afe(port, termios); uart_update_timeout(port, termios->c_cflag, baud); |