wrt/tpl-wdr3600/trunk-47381 - wdr3600 base openwrt from upstream
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--- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -356,6 +356,9 @@ uart_get_baud_rate(struct uart_port *por else if (flags == UPF_SPD_WARP) altbaud = 460800; + if (tty_termios_baud_rate(termios) == 2500000) + return 250000; + for (try = 0; try < 2; try++) { baud = tty_termios_baud_rate(termios);