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watchdog: gpio: add support for nowayout option 

Add support for the nowayout option in the gpio watchdog driver.

Signed-off-by: Mans Rullgard <mans@mansr.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
alistair/sunxi64-5.4-dsi
Mans Rullgard 2019-05-28 10:09:47 +01:00 committed by Wim Van Sebroeck
parent b7fbd3e55c
commit 1a4aaf9f11
1 changed files with 7 additions and 0 deletions
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7
drivers/watchdog/gpio_wdt.c
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@ -13,6 +13,12 @@
#include <linux/platform_device.h>
#include <linux/watchdog.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) ")");
#define SOFT_TIMEOUT_MIN 1
#define SOFT_TIMEOUT_DEF 60
@ -151,6 +157,7 @@ static int gpio_wdt_probe(struct platform_device *pdev)
priv->wdd.timeout = SOFT_TIMEOUT_DEF;
watchdog_init_timeout(&priv->wdd, 0, dev);
watchdog_set_nowayout(&priv->wdd, nowayout);
watchdog_stop_on_reboot(&priv->wdd);