On Sat, Oct 07, 2023 at 04:21:25PM +0800, Xing Tong Wu wrote:
> From: Xing Tong Wu <xingtong.wu@xxxxxxxxxxx>
>
> According to the WDAT spec that states about WATCHDOG_ACTION_SET_COUNTDOWN_PERIOD:
> "This action is required if WATCHDOG_ACTION_RESET does not explicitly write a new
> countdown value to a register during a reset."
> And that implies, WATCHDOG_ACTION_RESET may write a countdown value, thus may come
> with a WATCHDOG_INSTRUCTION_WRITE_COUNTDOWN, thus need the timeout value as parameter
> or would otherwise write 0.
> The watchdog for SIONCT6126 need a entry WATCHDOG_INSTRUCTION_WRITE_COUNTDOWN for
> WATCHDOG_ACTION_RESET action, I send this patch to support it.
>
> Signed-off-by: Xing Tong Wu <xingtong.wu@xxxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/watchdog/wdat_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c
> index 0ba99bed59fc..650fdc7996e1 100644
> --- a/drivers/watchdog/wdat_wdt.c
> +++ b/drivers/watchdog/wdat_wdt.c
> @@ -269,7 +269,7 @@ static int wdat_wdt_stop(struct watchdog_device *wdd)
>
> static int wdat_wdt_ping(struct watchdog_device *wdd)
> {
> - return wdat_wdt_run_action(to_wdat_wdt(wdd), ACPI_WDAT_RESET, 0, NULL);
> + return wdat_wdt_run_action(to_wdat_wdt(wdd), ACPI_WDAT_RESET, wdd->timeout, NULL);
> }
>
> static int wdat_wdt_set_timeout(struct watchdog_device *wdd,
> --
> 2.25.1
>
