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path: root/drivers/watchdog/pm8916_wdt.c
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Diffstat (limited to 'drivers/watchdog/pm8916_wdt.c')
-rw-r--r--drivers/watchdog/pm8916_wdt.c10
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,