diff options
| -rw-r--r-- | drivers/watchdog/pm8916_wdt.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/watchdog/pm8916_wdt.c b/drivers/watchdog/pm8916_wdt.c index 49f1a5204526..f4bfbffaf49c 100644 --- a/drivers/watchdog/pm8916_wdt.c +++ b/drivers/watchdog/pm8916_wdt.c @@ -142,6 +142,7 @@ static int pm8916_wdt_probe(struct platform_device *pdev) struct device *dev = &pdev->dev; struct pm8916_wdt *wdt; struct device *parent; + unsigned int val; int err, irq; u8 poff[2]; @@ -199,6 +200,15 @@ static int pm8916_wdt_probe(struct platform_device *pdev) if (poff[1] & PON_POFF_REASON2_OTST3) wdt->wdev.bootstatus |= WDIOF_OVERHEAT; + err = regmap_read(wdt->regmap, wdt->baseaddr + PON_PMIC_WD_RESET_S2_CTL2, + &val); + if (err) { + dev_err(dev, "failed to check if watchdog is active: %d\n", err); + return err; + } + if (val & S2_RESET_EN_BIT) + set_bit(WDOG_HW_RUNNING, &wdt->wdev.status); + /* Configure watchdog to hard-reset mode */ err = regmap_write(wdt->regmap, wdt->baseaddr + PON_PMIC_WD_RESET_S2_CTL, |