watchdog: keembay: Removed timeout update in the TO ISR

[ Upstream commit 3168be5 ]

In the TO ISR removed updating the Timeout value because
its not serving any purpose as the timer would have already expired
and the system would be rebooting.

Fixes: fa0f8d5 ("watchdog: Add watchdog driver for Intel Keembay Soc")
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Kris Pan <kris.pan@intel.com>
Signed-off-by: Shruthi Sanil <shruthi.sanil@intel.com>
Link: https://lore.kernel.org/r/20210517174953.19404-7-shruthi.sanil@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

drivers/watchdog/keembay_wdt.c

@@ -141,7 +141,6 @@ static irqreturn_t keembay_wdt_to_isr(int irq, void *dev_id)
 	struct keembay_wdt *wdt = dev_id;
 	struct arm_smccc_res res;
 
-	keembay_wdt_writel(wdt, TIM_WATCHDOG, 1);
 	arm_smccc_smc(WDT_ISR_CLEAR, WDT_TO_INT_MASK, 0, 0, 0, 0, 0, 0, &res);
 	dev_crit(wdt->wdd.parent, "Intel Keem Bay non-sec wdt timeout.\n");
 	emergency_restart();