watchdog: omap_wdt: Add option nowayout

Like other watchdog drivers, this patch adds new option nowayout
which overwrite WATCHDOG_NOWAYOUT.

Signed-off-by: Pali Rohar <pali.rohar@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index b0e541d022e6..af88ffd1068f 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -45,6 +45,11 @@
 
 #include "omap_wdt.h"
 
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
+        "(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
 static unsigned timer_margin;
 module_param(timer_margin, uint, 0);
 MODULE_PARM_DESC(timer_margin, "initial watchdog timeout (in seconds)");
@@ -201,7 +206,6 @@ static const struct watchdog_ops omap_wdt_ops = {
 static int omap_wdt_probe(struct platform_device *pdev)
 {
         struct omap_wd_timer_platform_data *pdata = pdev->dev.platform_data;
-        bool nowayout = WATCHDOG_NOWAYOUT;
         struct watchdog_device *omap_wdt;
         struct resource *res, *mem;
         struct omap_wdt_dev *wdev;