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watchdog: da9052_wdt: do not disable wdt during probe

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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>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20250326-da9052-fixes-v3-3-a38a560fef0e@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
This commit is contained in:
Marcus Folkesson
2025-03-26 09:29:50 +01:00
committed by Wim Van Sebroeck
parent ec90349a94
commit 8807f0afac
1 changed files with 8 additions and 4 deletions
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drivers/watchdog/da9052_wdt.c
+8 -4
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@@ -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);