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watchdog: pnx4008: readout watchdog state 

Readout the enabled state so it is possible to get the pre-userspace
handler working. Also, avoid disabling the watchdog to ensure it continues
working and triggers if there is an issue later in the boot or if userspace
fails to start.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
hifive-unleashed-5.2
Alexandre Belloni 2019-04-11 21:14:37 +02:00 committed by Wim Van Sebroeck
parent 0843bdc14c
commit 9d7c09231e
1 changed files with 2 additions and 1 deletions
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3
drivers/watchdog/pnx4008_wdt.c
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@ -217,7 +217,8 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
watchdog_set_nowayout(&pnx4008_wdd, nowayout);
watchdog_set_restart_priority(&pnx4008_wdd, 128);
pnx4008_wdt_stop(&pnx4008_wdd); /* disable for now */
if (readl(WDTIM_CTRL(wdt_base)) & COUNT_ENAB)
set_bit(WDOG_HW_RUNNING, &pnx4008_wdd.status);
ret = devm_watchdog_register_device(dev, &pnx4008_wdd);
if (ret < 0) {