tty: serial: samsung: Increase maximum baudrate

This driver can be used to communicate with Bluetooth chip in high-speed
UART mode, so increase the maximum baudrate to 3Mbps.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
[mszyprow: rephrased commit message]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Seung-Woo Kim 2018-12-14 12:34:09 +01:00 committed by Greg Kroah-Hartman
parent 31e9336457
commit ec18f48bbc

View File

@ -1287,7 +1287,7 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
* Ask the core to calculate the divisor for us.
*/
baud = uart_get_baud_rate(port, termios, old, 0, 115200*8);
baud = uart_get_baud_rate(port, termios, old, 0, 3000000);
quot = s3c24xx_serial_getclk(ourport, baud, &clk, &clk_sel);
if (baud == 38400 && (port->flags & UPF_SPD_MASK) == UPF_SPD_CUST)
quot = port->custom_divisor;