diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2006-05-25 12:40:08 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-05-25 12:40:08 -0400 |
| commit | c6a756795d5ba0637aae8da89dd11bb7e3a1ee74 (patch) | |
| tree | 1c19f951f2604dbb6b867a6dcdf94d20c204cc5c /drivers/serial/serial_core.c | |
| parent | 382066da251132f768380f4852ed5afb72d88f80 (diff) | |
| parent | a8bd60705aa17a998516837d9c1e503ad4cbd7fc (diff) | |
Merge branch 'master'
Diffstat (limited to 'drivers/serial/serial_core.c')
| -rw-r--r-- | drivers/serial/serial_core.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c index aeb8153ccf2..17839e753e4 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) |