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watchdog: meson_gxbb_wdt: add nowayout parameter 

Add nowayout module parameter

Signed-off-by: Artem Lapkin <art@khadas.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20210730041355.2810397-2-art@khadas.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Artem Lapkin 2021-07-30 12:13:53 +08:00 committed by Wim Van Sebroeck
parent 2f61b3a746
commit bb6d7721ac
1 changed files with 6 additions and 0 deletions
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6
drivers/watchdog/meson_gxbb_wdt.c
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@ -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 */