diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 699b34446a55..763537943a53 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -520,6 +520,9 @@ static int serial_omap_startup(struct uart_port *port)
 	up->ier = UART_IER_RLSI | UART_IER_RDI;
 	serial_out(up, UART_IER, up->ier);
 
+	/* Enable module level wake up */
+	serial_out(up, UART_OMAP_WER, OMAP_UART_WER_MOD_WKUP);
+
 	up->port_activity = jiffies;
 	return 0;
 }
@@ -827,9 +830,6 @@ serial_omap_pm(struct uart_port *port, unsigned int state,
 	serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
 	serial_out(up, UART_EFR, efr);
 	serial_out(up, UART_LCR, 0);
-	/* Enable module level wake up */
-	serial_out(up, UART_OMAP_WER,
-		(state != 0) ? OMAP_UART_WER_MOD_WKUP : 0);
 }
 
 static void serial_omap_release_port(struct uart_port *port)