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authorArtem Lapkin <email2tema@gmail.com>2021-07-30 12:13:53 +0800
committerWim Van Sebroeck <wim@linux-watchdog.org>2021-10-26 21:31:06 +0200
commitbb6d7721ac3af6820edc4b17deccf1c91261da81 (patch)
treeea7cd445dc2f982a90e75c58d48c808c7679cddd /drivers/watchdog/meson_gxbb_wdt.c
parent2f61b3a746995ccf595781e34786bb69c63ab7fe (diff)
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>
Diffstat (limited to 'drivers/watchdog/meson_gxbb_wdt.c')
-rw-r--r--drivers/watchdog/meson_gxbb_wdt.c6
1 files changed, 6 insertions, 0 deletions
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 */