diff options
| author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2016-01-04 15:54:46 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-06 22:54:55 -0800 |
| commit | ba47f97a18f2f9c517131fcdaceb3b5a4811dc19 (patch) | |
| tree | a4fa91174b9c776ffffeed7b9bb1a4066619aed9 /drivers/tty/serial/serial_core.c | |
| parent | 92a0574867f3329ca285b51adcf09ed3ee42e7a0 (diff) | |
serial: core: remove baud_rates when serial console setup
Currently, when tring to set up a serial console with a higher
baud rate, it would fallback to 921600.
Tested-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/serial_core.c')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 33 |
1 files changed, 2 insertions, 31 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 85829f8568e7..a126a603b083 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1875,26 +1875,6 @@ uart_parse_options(char *options, int *baud, int *parity, int *bits, int *flow) } EXPORT_SYMBOL_GPL(uart_parse_options); -struct baud_rates { - unsigned int rate; - unsigned int cflag; -}; - -static const struct baud_rates baud_rates[] = { - { 921600, B921600 }, - { 460800, B460800 }, - { 230400, B230400 }, - { 115200, B115200 }, - { 57600, B57600 }, - { 38400, B38400 }, - { 19200, B19200 }, - { 9600, B9600 }, - { 4800, B4800 }, - { 2400, B2400 }, - { 1200, B1200 }, - { 0, B38400 } -}; - /** * uart_set_options - setup the serial console parameters * @port: pointer to the serial ports uart_port structure @@ -1910,7 +1890,6 @@ uart_set_options(struct uart_port *port, struct console *co, { struct ktermios termios; static struct ktermios dummy; - int i; /* * Ensure that the serial console lock is initialised @@ -1925,16 +1904,8 @@ uart_set_options(struct uart_port *port, struct console *co, memset(&termios, 0, sizeof(struct ktermios)); - termios.c_cflag = CREAD | HUPCL | CLOCAL; - - /* - * Construct a cflag setting. - */ - for (i = 0; baud_rates[i].rate; i++) - if (baud_rates[i].rate <= baud) - break; - - termios.c_cflag |= baud_rates[i].cflag; + termios.c_cflag |= CREAD | HUPCL | CLOCAL; + tty_termios_encode_baud_rate(&termios, baud, baud); if (bits == 7) termios.c_cflag |= CS7; |