[PATCH v2 3/9] watchdog: keembay: Update pretimeout to zero in the TH ISR

[shruthi . sanil]

From: Shruthi Sanil <shruthi.sanil@xxxxxxxxx>

The pretimeout has to be updated to zero during the ISR of the
ThresHold interrupt. Else the TH interrupt would be triggerred for
every tick until the timeout.

Fixes: fa0f8d51e90d ("watchdog: Add watchdog driver for Intel Keembay Soc")
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Tested-by: Kris Pan <kris.pan@xxxxxxxxx>
Signed-off-by: Shruthi Sanil <shruthi.sanil@xxxxxxxxx>
---
 drivers/watchdog/keembay_wdt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/keembay_wdt.c b/drivers/watchdog/keembay_wdt.c
index b2afeb4a60e3..6053416b8d3d 100644
--- a/drivers/watchdog/keembay_wdt.c
+++ b/drivers/watchdog/keembay_wdt.c
@@ -154,6 +154,8 @@ static irqreturn_t keembay_wdt_th_isr(int irq, void *dev_id)
 	struct keembay_wdt *wdt = dev_id;
 	struct arm_smccc_res res;
 
+	keembay_wdt_set_pretimeout(&wdt->wdd, 0x0);
+
 	arm_smccc_smc(WDT_ISR_CLEAR, WDT_ISR_MASK, 0, 0, 0, 0, 0, 0, &res);
 	dev_crit(wdt->wdd.parent, "Intel Keem Bay non-sec wdt pre-timeout.\n");
 	watchdog_notify_pretimeout(&wdt->wdd);
-- 
2.17.1