From: Artem Lapkin <email2tema@gmail.com>
To: narmstrong@baylibre.com
Cc: wim@linux-watchdog.org, linux@roeck-us.net, khilman@baylibre.com,
jbrunet@baylibre.com, christianshewitt@gmail.com,
martin.blumenstingl@googlemail.com,
linux-watchdog@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
art@khadas.com, nick@khadas.com, gouwa@khadas.com
Subject: [PATCH v4 1/3] watchdog: meson_gxbb_wdt: add nowayout parameter
Date: Fri, 30 Jul 2021 12:13:53 +0800 [thread overview]
Message-ID: <20210730041355.2810397-2-art@khadas.com> (raw)
In-Reply-To: <20210730041355.2810397-1-art@khadas.com>
Add nowayout module parameter
Signed-off-by: Artem Lapkin <art@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
next prev parent reply other threads:[~2021-07-30 4:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-30 4:13 [PATCH v4 0/3] watchdog: meson_gxbb_wdt: improve Artem Lapkin
2021-07-30 4:13 ` Artem Lapkin [this message]
2021-07-30 4:45 ` [PATCH v4 1/3] watchdog: meson_gxbb_wdt: add nowayout parameter Guenter Roeck
2021-11-09 7:59 ` Art Nikpal
2021-07-30 4:13 ` [PATCH v4 2/3] watchdog: meson_gxbb_wdt: add timeout parameter Artem Lapkin
2021-07-30 4:47 ` Guenter Roeck
2021-11-09 7:59 ` Art Nikpal
2021-07-30 4:13 ` [PATCH v4 3/3] watchdog: meson_gxbb_wdt: remove stop_on_reboot Artem Lapkin
2021-07-30 4:58 ` Guenter Roeck
2021-07-30 6:52 ` Art Nikpal
2021-07-30 8:20 ` Neil Armstrong
2021-11-09 7:59 ` Art Nikpal
2021-11-09 15:30 ` Guenter Roeck
2021-11-10 2:27 ` Art Nikpal
2021-11-09 7:58 ` [PATCH v4 0/3] watchdog: meson_gxbb_wdt: improve Art Nikpal
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