diff options
| author | Marcus Folkesson <marcus.folkesson@gmail.com> | 2025-03-26 09:29:48 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@linux-watchdog.org> | 2025-05-24 16:57:50 +0200 |
| commit | 776d14d201ae8b266208e0eae6510692bc58d9f2 (patch) | |
| tree | 3ccc12432c6c1872faf8d4fadd35f84e24cd4f2a | |
| parent | 4856ebd997159f198e3177e515bda01143727463 (diff) | |
watchdog: da9052_wdt: add support for nowayout
Add nowayout module parameter for not stopping the
watchdog when userspace application quits.
Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250326-da9052-fixes-v3-1-a38a560fef0e@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
| -rw-r--r-- | drivers/watchdog/da9052_wdt.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c index 77039f2f0be5..a8ff1e6a7903 100644 --- a/drivers/watchdog/da9052_wdt.c +++ b/drivers/watchdog/da9052_wdt.c @@ -30,6 +30,12 @@ struct da9052_wdt_data { unsigned long jpast; }; +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 const struct { u8 reg_val; int time; /* Seconds */ @@ -172,6 +178,7 @@ static int da9052_wdt_probe(struct platform_device *pdev) da9052_wdt->ops = &da9052_wdt_ops; da9052_wdt->parent = dev; watchdog_set_drvdata(da9052_wdt, driver_data); + watchdog_set_nowayout(da9052_wdt, nowayout); if (da9052->fault_log & DA9052_FAULTLOG_TWDERROR) da9052_wdt->bootstatus |= WDIOF_CARDRESET; |