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;