diff options
| -rw-r--r-- | drivers/serial/serial_core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index eab032733790..53b03c629aff 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -2054,6 +2054,8 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) int uart_resume_port(struct uart_driver *drv, struct uart_port *port) { struct uart_state *state = drv->state + port->line; + struct device *tty_dev; + struct uart_match match = {port, drv}; mutex_lock(&state->mutex); @@ -2063,7 +2065,8 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) return 0; } - if (!port->suspended) { + tty_dev = device_find_child(port->dev, &match, serial_match_port); + if (!port->suspended && device_may_wakeup(tty_dev)) { disable_irq_wake(port->irq); mutex_unlock(&state->mutex); return 0; |