Messages in this thread Patch in this message | | | From | poeschel@lemonage ... | Subject | [PATCH v2] watchdog: omap_wdt: early_enable module parameter | Date | Thu, 25 Jun 2015 12:21:51 +0200 |
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From: Lars Poeschel <poeschel@lemonage.de>
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> --- Documentation/watchdog/watchdog-parameters.txt | 1 + drivers/watchdog/omap_wdt.c | 8 ++++++++ 2 files changed, 9 insertions(+)
diff --git a/Documentation/watchdog/watchdog-parameters.txt b/Documentation/watchdog/watchdog-parameters.txt index 692791c..837a4e2 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) ------------------------------------------------- orion_wdt: heartbeat: Initial watchdog heartbeat in seconds diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index 1e6be9e..29c5f33 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -53,6 +53,11 @@ static unsigned timer_margin; module_param(timer_margin, uint, 0); MODULE_PARM_DESC(timer_margin, "initial watchdog timeout (in seconds)"); +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 { void __iomem *base; /* physical */ struct device *dev; @@ -269,6 +274,9 @@ static int omap_wdt_probe(struct platform_device *pdev) pm_runtime_put_sync(wdev->dev); + if (early_enable) + omap_wdt_start(omap_wdt); + return 0; } -- 2.1.4
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