Firmware followed by bootloader leaves watchdog running.
Keep it running in the driver.
User will not need any additional options to reboot in case of panic
during boot.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/watchdog/intel-mid_wdt.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/watchdog/intel-mid_wdt.c b/drivers/watchdog/intel-mid_wdt.c
index 45e4d02221b5..f2c66689f42c 100644
--- a/drivers/watchdog/intel-mid_wdt.c
+++ b/drivers/watchdog/intel-mid_wdt.c
@@ -147,8 +147,16 @@ static int mid_wdt_probe(struct platform_device *pdev)
return ret;
}
- /* Make sure the watchdog is not running */
- wdt_stop(wdt_dev);
+ /*
+ * Make sure the watchdog is serviced.
+ *
+ * The firmware followed by U-Boot leaves the watchdog running
+ * with the default threshold 60 seconds. Our default timeout is
+ * 90 seconds, but internal worker divides it by two, which is
+ * 45 seconds and should be enough (less by 15 seconds than
+ * threshold).
+ */
+ set_bit(WDOG_HW_RUNNING, &wdt_dev->status);
ret = devm_watchdog_register_device(&pdev->dev, wdt_dev);
if (ret) {
--
2.11.0
--
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