diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/serial_core.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 82a1770dd808..9a85b41caa0a 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2211,9 +2211,16 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) } put_device(tty_dev); - /* Nothing to do if the console is not suspending */ - if (!console_suspend_enabled && uart_console(uport)) + /* + * Nothing to do if the console is not suspending + * except stop_rx to prevent any asynchronous data + * over RX line. Re-start_rx, when required, is + * done by set_termios in resume sequence + */ + if (!console_suspend_enabled && uart_console(uport)) { + uport->ops->stop_rx(uport); goto unlock; + } uport->suspended = 1; |