diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_core.c | 9 | ||||
| -rw-r--r-- | drivers/serial/sunsu.c | 1 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index aeb8153ccf24..17839e753e4c 100644 --- a/drivers/serial/serial_core.c +++ b/drivers/serial/serial_core.c @@ -1907,9 +1907,12 @@ uart_set_options(struct uart_port *port, struct console *co, static void uart_change_pm(struct uart_state *state, int pm_state) { struct uart_port *port = state->port; - if (port->ops->pm) - port->ops->pm(port, pm_state, state->pm_state); - state->pm_state = pm_state; + + if (state->pm_state != pm_state) { + if (port->ops->pm) + port->ops->pm(port, pm_state, state->pm_state); + state->pm_state = pm_state; + } } int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 1c4396c2962d..2b4f96541b8e 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -1730,3 +1730,4 @@ static void __exit sunsu_exit(void) module_init(sunsu_probe); module_exit(sunsu_exit); +MODULE_LICENSE("GPL"); |