linux-kernel - [PATCH v1 2/2] watchdog: wdat: add start

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Message-ID: <20210308112151.716315-3-f.suligoi@asem.it>
Date:   Mon, 8 Mar 2021 12:21:51 +0100
From:   Flavio Suligoi <f.suligoi@...m.it>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
CC:     <linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Flavio Suligoi <f.suligoi@...m.it>
Subject: [PATCH v1 2/2] watchdog: wdat: add start_enable global parameter

The "start_enable" global parameter, managed in watchdog_core.c,
forces the driver to start the watchdog countdown in the same moment of the
module insertion.
The driver also updates the watchdog status, setting the WDOG_HW_RUNNING
flag, to enable the watchdog ping feature managed by the watchdog_core
itself.

Signed-off-by: Flavio Suligoi <f.suligoi@...m.it>
---
 drivers/watchdog/wdat_wdt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c
index cec7917790e5..7304a335227f 100644
--- a/drivers/watchdog/wdat_wdt.c
+++ b/drivers/watchdog/wdat_wdt.c
@@ -437,6 +437,8 @@ static int wdat_wdt_probe(struct platform_device *pdev)
 	}
 
 	wdat_wdt_boot_status(wdat);
+	if (watchdog_global_param_start_enabled())
+		wdat_wdt_start(&wdat->wdd);
 	wdat_wdt_set_running(wdat);
 
 	ret = wdat_wdt_enable_reboot(wdat);
-- 
2.25.1