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-rw-r--r--drivers/tty/serial/serial_core.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 984605bb5bf1..2c67a077042a 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2008,23 +2008,24 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
}
put_device(tty_dev);
- if (console_suspend_enabled || !uart_console(uport))
- uport->suspended = 1;
+ /* Nothing to do if the console is not suspending */
+ if (!console_suspend_enabled && uart_console(uport))
+ goto unlock;
+
+ uport->suspended = 1;
if (port->flags & ASYNC_INITIALIZED) {
const struct uart_ops *ops = uport->ops;
int tries;
- if (console_suspend_enabled || !uart_console(uport)) {
- set_bit(ASYNCB_SUSPENDED, &port->flags);
- clear_bit(ASYNCB_INITIALIZED, &port->flags);
-
- spin_lock_irq(&uport->lock);
- ops->stop_tx(uport);
- ops->set_mctrl(uport, 0);
- ops->stop_rx(uport);
- spin_unlock_irq(&uport->lock);
- }
+ set_bit(ASYNCB_SUSPENDED, &port->flags);
+ clear_bit(ASYNCB_INITIALIZED, &port->flags);
+
+ spin_lock_irq(&uport->lock);
+ ops->stop_tx(uport);
+ ops->set_mctrl(uport, 0);
+ ops->stop_rx(uport);
+ spin_unlock_irq(&uport->lock);
/*
* Wait for the transmitter to empty.
@@ -2036,19 +2037,17 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport)
drv->dev_name,
drv->tty_driver->name_base + uport->line);
- if (console_suspend_enabled || !uart_console(uport))
- ops->shutdown(uport);
+ ops->shutdown(uport);
}
/*
* Disable the console device before suspending.
*/
- if (console_suspend_enabled && uart_console(uport))
+ if (uart_console(uport))
console_stop(uport->cons);
- if (console_suspend_enabled || !uart_console(uport))
- uart_change_pm(state, UART_PM_STATE_OFF);
-
+ uart_change_pm(state, UART_PM_STATE_OFF);
+unlock:
mutex_unlock(&port->mutex);
return 0;