[PATCH v4 1/3] watchdog: meson_gxbb_wdt: add nowayout parameter

[Artem Lapkin]

Add nowayout module parameter

Signed-off-by: Artem Lapkin <art at khadas.com>
---
 drivers/watchdog/meson_gxbb_wdt.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/watchdog/meson_gxbb_wdt.c b/drivers/watchdog/meson_gxbb_wdt.c
index 5a9ca10fbcfa..5aebc3a09652 100644
--- a/drivers/watchdog/meson_gxbb_wdt.c
+++ b/drivers/watchdog/meson_gxbb_wdt.c
@@ -29,6 +29,11 @@
 #define GXBB_WDT_TCNT_SETUP_MASK		(BIT(16) - 1)
 #define GXBB_WDT_TCNT_CNT_SHIFT			16
 
+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) ")");
+
 struct meson_gxbb_wdt {
 	void __iomem *reg_base;
 	struct watchdog_device wdt_dev;
@@ -175,6 +180,7 @@ static int meson_gxbb_wdt_probe(struct platform_device *pdev)
 	data->wdt_dev.max_hw_heartbeat_ms = GXBB_WDT_TCNT_SETUP_MASK;
 	data->wdt_dev.min_timeout = 1;
 	data->wdt_dev.timeout = DEFAULT_TIMEOUT;
+	watchdog_set_nowayout(&data->wdt_dev, nowayout);
 	watchdog_set_drvdata(&data->wdt_dev, data);
 
 	/* Setup with 1ms timebase */
-- 
2.25.1