Wdt expire command makes the wdt to count least possible ticks(1) and expires immediately. Add expire_now option to the xlnx_wwdt_ops and implement it by calling xlnx_wwdt_start() with minimum possible count(1).
Signed-off-by: Ashok Reddy Soma ashok.reddy.soma@xilinx.com ---
drivers/watchdog/xilinx_wwdt.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/watchdog/xilinx_wwdt.c b/drivers/watchdog/xilinx_wwdt.c index d8b2ae7248..d582e3cc8f 100644 --- a/drivers/watchdog/xilinx_wwdt.c +++ b/drivers/watchdog/xilinx_wwdt.c @@ -144,6 +144,11 @@ static int xlnx_wwdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) return 0; }
+static int xlnx_wwdt_expire_now(struct udevice *dev, ulong flags) +{ + return xlnx_wwdt_start(dev, XWT_WWDT_CNT_MIN, flags); +} + static int xlnx_wwdt_probe(struct udevice *dev) { int ret; @@ -182,6 +187,7 @@ static const struct wdt_ops xlnx_wwdt_ops = { .start = xlnx_wwdt_start, .reset = xlnx_wwdt_reset, .stop = xlnx_wwdt_stop, + .expire_now = xlnx_wwdt_expire_now, };
static const struct udevice_id xlnx_wwdt_ids[] = {