ARM: OMAP: Fixed compile warning

Fixed compile warning

diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c
index efcae93566d7c6bb7a703769b010d605f037f837..e702e0cb899e251c40f77de2eeef64f1de1d6ced 100644 (file)
--- a/arch/arm/mach-omap1/serial.c
+++ b/arch/arm/mach-omap1/serial.c
@@ -262,7 +262,7 @@ static void __init omap_serial_set_port_wakeup(int gpio_nr)
 static int __init omap_serial_wakeup_init(void)
 {
        if (!cpu_is_omap16xx())
-               return;
+               return 0;
 
        if (uart1_ck != NULL)
                omap_serial_set_port_wakeup(37);