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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


  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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