From: Mans Rullgard <mans@mansr.com>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
Guenter Roeck <linux@roeck-us.net>
Cc: linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] watchdog: gpio: add support for nowayout option
Date: Tue, 28 May 2019 10:09:47 +0100 [thread overview]
Message-ID: <20190528090947.2610-1-mans@mansr.com> (raw)
Add support for the nowayout option in the gpio watchdog driver.
Signed-off-by: Mans Rullgard <mans@mansr.com>
---
drivers/watchdog/gpio_wdt.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/watchdog/gpio_wdt.c b/drivers/watchdog/gpio_wdt.c
index ea77cae03c9d..63792bb70213 100644
--- a/drivers/watchdog/gpio_wdt.c
+++ b/drivers/watchdog/gpio_wdt.c
@@ -17,6 +17,12 @@
#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
@@ -155,6 +161,7 @@ static int gpio_wdt_probe(struct platform_device *pdev)
priv->wdd.timeout = SOFT_TIMEOUT_DEF;
watchdog_init_timeout(&priv->wdd, 0, &pdev->dev);
+ watchdog_set_nowayout(&priv->wdd, nowayout);
watchdog_stop_on_reboot(&priv->wdd);
--
2.21.0
next reply other threads:[~2019-05-28 9:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-28 9:09 Mans Rullgard [this message]
2019-05-28 13:26 ` Guenter Roeck
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