[PATCH] watchdog: meson_gxbb_wdt: add nowayout parameter

From: Artem Lapkin
Date: Thu Jul 29 2021 - 03:24:12 EST


Add nowayout module parameter

Signed-off-by: Artem Lapkin <art@xxxxxxxxxx>
---
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 5a9ca10fb..5aebc3a09 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