[PATCH] watchdog: wdat_wdt: Ping the watchdog on resume

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It turns out we need to ping the watchdog hardware on resume when we
re-program it. Otherwise this results inadvertent reset to trigger right
after the resume is completed.

Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
 drivers/watchdog/wdat_wdt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c
index e473e3b23720..6d1fbda0f461 100644
--- a/drivers/watchdog/wdat_wdt.c
+++ b/drivers/watchdog/wdat_wdt.c
@@ -499,6 +499,10 @@ static int wdat_wdt_resume_noirq(struct device *dev)
 		ret = wdat_wdt_enable_reboot(wdat);
 		if (ret)
 			return ret;
+
+		ret = wdat_wdt_ping(&wdat->wdd);
+		if (ret)
+			return ret;
 	}
 
 	return wdat_wdt_start(&wdat->wdd);
-- 
2.9.3

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