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| author | Lars Poeschel <poeschel@lemonage.de> | 2015-06-25 13:21:51 +0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-07-01 17:43:17 +0300 |
| commit | b2102eb36e7909c779e46f66595fda75aa219f4c (patch) | |
| tree | 081e96cdd7fbac187a46a3ac25492a4a4ee2d9f0 | |
| parent | 5e53c8ed813d6100d2cebbf83f2192b201f70772 (diff) | |
| download | linux-b2102eb36e7909c779e46f66595fda75aa219f4c.tar.xz | |
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: Lars Poeschel <poeschel@lemonage.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| -rw-r--r-- | Documentation/watchdog/watchdog-parameters.txt | 1 | ||||
| -rw-r--r-- | drivers/watchdog/omap_wdt.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt index 74252c431e05..9f9ec9f76039 100644 --- a/Documentation/watchdog/watchdog-parameters.txt +++ b/Documentation/watchdog/watchdog-parameters.txt @@ -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) ------------------------------------------------- diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index ebea6e66fba9..de911c7e477c 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -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; } |