Commit 75f6c56d authored by Shruthi Sanil's avatar Shruthi Sanil Committed by Wim Van Sebroeck
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watchdog: keembay: Update pretimeout to zero in the TH ISR 



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: fa0f8d51 ("watchdog: Add watchdog driver for Intel Keembay Soc")
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: default avatarKris Pan <kris.pan@intel.com>
Signed-off-by: default avatarShruthi Sanil <shruthi.sanil@intel.com>
Link: https://lore.kernel.org/r/20210517174953.19404-4-shruthi.sanil@intel.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@linux-watchdog.org>
parent 0f7bfaf1

drivers/watchdog/keembay_wdt.c

+2 −0
Original line number Diff line number Diff line
@@ -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);