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Groups > linux.kernel > #1266097

[PATCH] watchdog: tegra: Stop watchdog first if restarting

From Andrew Chew <achew@nvidia.com>
Newsgroups linux.kernel
Subject [PATCH] watchdog: tegra: Stop watchdog first if restarting
Date 2015-11-10 01:20 +0100
Message-ID <qt4Pg-61O-1@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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If we need to restart the watchdog due to someone changing the timeout
interval, stop the watchdog before restarting it.  Otherwise, the new
timeout doesn't seem to take.

Signed-off-by: Andrew Chew <achew@nvidia.com>
---
 drivers/watchdog/tegra_wdt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c
index 7f97cdd..9ec5760 100644
--- a/drivers/watchdog/tegra_wdt.c
+++ b/drivers/watchdog/tegra_wdt.c
@@ -140,8 +140,10 @@ static int tegra_wdt_set_timeout(struct watchdog_device *wdd,
 {
 	wdd->timeout = timeout;
 
-	if (watchdog_active(wdd))
+	if (watchdog_active(wdd)) {
+		tegra_wdt_stop(wdd);
 		return tegra_wdt_start(wdd);
+	}
 
 	return 0;
 }
-- 
2.1.4

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[PATCH] watchdog: tegra: Stop watchdog first if restarting Andrew Chew <achew@nvidia.com> - 2015-11-10 01:20 +0100
  Re: [PATCH] watchdog: tegra: Stop watchdog first if restarting Guenter Roeck <linux@roeck-us.net> - 2015-11-13 21:00 +0100
    Re: [PATCH] watchdog: tegra: Stop watchdog first if restarting Thierry Reding <treding@nvidia.com> - 2015-11-16 11:50 +0100

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