linux-kernel - [PATCH 3/3] sbsa_gwdt: Set WDOG_HW_RUNNING, when watchdog is already running.

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Message-Id: <1464674890-10512-4-git-send-email-fu.wei@linaro.org>
Date:	Tue, 31 May 2016 14:08:10 +0800
From:	fu.wei@...aro.org
To:	wim@...ana.be, linux@...ck-us.net, panand@...hat.com
Cc:	linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linaro-acpi@...ts.linaro.org,
	timur@...eaurora.org, dyoung@...hat.com, graeme.gregory@...aro.org,
	al.stone@...aro.org, jcm@...hat.com, Suravee.Suthikulpanit@....com,
	Fu Wei <fu.wei@...aro.org>
Subject: [PATCH 3/3] sbsa_gwdt: Set WDOG_HW_RUNNING, when watchdog is already running.

From: Pratyush Anand <panand@...hat.com>

This patch uses the new flag WDOG_HW_RUNNING in driver.
According to the definition of this flag, it should be set,
if watchdog is running after booting, before it's opened.

Signed-off-by: Pratyush Anand <panand@...hat.com>
Signed-off-by: Fu Wei <fu.wei@...aro.org>
---
 drivers/watchdog/sbsa_gwdt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/sbsa_gwdt.c b/drivers/watchdog/sbsa_gwdt.c
index 6af71e0..cc885f1 100644
--- a/drivers/watchdog/sbsa_gwdt.c
+++ b/drivers/watchdog/sbsa_gwdt.c
@@ -283,6 +283,8 @@ static int sbsa_gwdt_probe(struct platform_device *pdev)
 		dev_warn(dev, "System reset by WDT.\n");
 		wdd->bootstatus |= WDIOF_CARDRESET;
 	}
+	if (status & SBSA_GWDT_WCS_EN)
+		set_bit(WDOG_HW_RUNNING, &wdd->status);
 
 	if (action) {
 		irq = platform_get_irq(pdev, 0);
-- 
2.5.5