@@ -194,11 +194,15 @@ static int da9052_wdt_probe(struct platform_device *pdev)
if (da9052->fault_log & DA9052_FAULTLOG_VDDFAULT)
da9052_wdt->bootstatus |= WDIOF_POWERUNDER;
- ret = da9052_reg_update(da9052, DA9052_CONTROL_D_REG,
- DA9052_CONTROLD_TWDSCALE, 0);
- if (ret < 0) {
- dev_err(dev, "Failed to disable watchdog bits, %d\n", ret);
+ ret = da9052_reg_read(da9052, DA9052_CONTROL_D_REG);
+ if (ret < 0)
return ret;
+
+ /* Check if FW enabled the watchdog */
+ if (ret & DA9052_CONTROLD_TWDSCALE) {
+ /* Ensure proper initialization */
+ da9052_wdt_start(da9052_wdt);
+ set_bit(WDOG_HW_RUNNING, &da9052_wdt->status);
}
return devm_watchdog_register_device(dev, &driver_data->wdt);
If the watchog is started by the bootloader, we do not want the watchdog to be disabled. Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com> --- drivers/watchdog/da9052_wdt.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)