serial: omap: make sure to suspend device before remove

before removing the driver, let's make sure
to force device into a suspended state in order
to conserve power.

Tested-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index c19d340f6ba8..0ceca4457d3b 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1369,6 +1369,7 @@ static int serial_omap_remove(struct platform_device *dev)
 {
         struct uart_omap_port *up = platform_get_drvdata(dev);
 
+        pm_runtime_put_sync(up->dev);
         pm_runtime_disable(up->dev);
         uart_remove_one_port(&serial_omap_reg, &up->port);
         pm_qos_remove_request(&up->pm_qos_request);