diff options
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 9930023e924c..2805cad10511 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -3074,6 +3074,12 @@ static int serial_core_add_one_port(struct uart_driver *drv, struct uart_port *u if (uport->cons && uport->dev) of_console_check(uport->dev->of_node, uport->cons->name, uport->line); + /* + * TTY port has to be linked with the driver before register_console() + * in uart_configure_port(), because user-space could open the console + * immediately after. + */ + tty_port_link_device(port, drv->tty_driver, uport->line); uart_configure_port(drv, state, uport); port->console = uart_console(uport); |