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watchdog: sp805: add 'timeout-sec' DT property support 

Add support for optional devicetree property 'timeout-sec'.
'timeout-sec' is used in the driver if specified in devicetree.
Otherwise, fall back to driver default, i.e., 60 seconds

Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Scott Branden <scott.branden@broadcom.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-5.1
Ray Jui 2018-05-28 11:01:34 -07:00 committed by Wim Van Sebroeck
parent 42bf5c4442
commit b800885888
1 changed files with 8 additions and 1 deletions
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9
drivers/watchdog/sp805_wdt.c
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@ -244,7 +244,14 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
watchdog_set_nowayout(&wdt->wdd, nowayout);
watchdog_set_drvdata(&wdt->wdd, wdt);
watchdog_set_restart_priority(&wdt->wdd, 128);
wdt_setload(&wdt->wdd, DEFAULT_TIMEOUT);
/*
* If 'timeout-sec' devicetree property is specified, use that.
* Otherwise, use DEFAULT_TIMEOUT
*/
wdt->wdd.timeout = DEFAULT_TIMEOUT;
watchdog_init_timeout(&wdt->wdd, 0, &adev->dev);
wdt_setload(&wdt->wdd, wdt->wdd.timeout);
ret = watchdog_register_device(&wdt->wdd);
if (ret) {