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Commit b2102eb3 authored by Lars Poeschel's avatar Lars Poeschel Committed by Wim Van Sebroeck
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watchdog: omap_wdt: early_enable module parameter 



Add a early_enable module parameter to the omap_wdt that starts the
watchdog on module insertion. The default value is 0 which does not
start the watchdog - which also does not change the behavior if the
parameter is not given.

Signed-off-by: default avatarLars Poeschel <poeschel@lemonage.de>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 5e53c8ed

Documentation/watchdog/watchdog-parameters.txt

+1 −0
Original line number Diff line number Diff line
@@ -208,6 +208,7 @@ nowayout: Watchdog cannot be stopped once started 
-------------------------------------------------

omap_wdt:

timer_margin: initial watchdog timeout (in seconds)

early_enable: Watchdog is started on module insertion (default=0

nowayout: Watchdog cannot be stopped once started

	(default=kernel config parameter)

-------------------------------------------------

drivers/watchdog/omap_wdt.c

+8 −0
Original line number Diff line number Diff line
@@ -55,6 +55,11 @@ MODULE_PARM_DESC(timer_margin, "initial watchdog timeout (in seconds)"); 


#define to_omap_wdt_dev(_wdog)	container_of(_wdog, struct omap_wdt_dev, wdog)



static bool early_enable;

module_param(early_enable, bool, 0);

MODULE_PARM_DESC(early_enable,

	"Watchdog is started on module insertion (default=0)");



struct omap_wdt_dev {

	struct watchdog_device wdog;

	void __iomem    *base;          /* physical */
@@ -279,6 +284,9 @@ static int omap_wdt_probe(struct platform_device *pdev) 


	pm_runtime_put_sync(wdev->dev);



	if (early_enable)

		omap_wdt_start(&wdev->wdog);



	return 0;

}