[WATCHDOG] s3c2410_wdt.c stop watchdog after boot

If the s3c2410 watchdog timer is not enabled by
the driver at startup, ensure that it is stopped
in-case the boot process has enabled it.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>

diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index 9dc5473..1ea04e9 100644
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -423,6 +423,12 @@
 	if (tmr_atboot && started == 0) {
 		printk(KERN_INFO PFX "Starting Watchdog Timer\n");
 		s3c2410wdt_start();
+	} else if (!tmr_atboot) {
+		/* if we're not enabling the watchdog, then ensure it is
+		 * disabled if it has been left running from the bootloader
+		 * or other source */
+
+		s3c2410wdt_stop();
 	}
 
 	return 0;