From: Shruthi Sanil Date: Mon, 17 May 2021 17:49:47 +0000 (+0530) Subject: watchdog: keembay: Update pretimeout to zero in the TH ISR X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=75f6c56dfeec92c53e09a72896547888ac9a27d7;p=linux.git 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: fa0f8d51e90d ("watchdog: Add watchdog driver for Intel Keembay Soc") Reviewed-by: Guenter Roeck Reviewed-by: Andy Shevchenko Tested-by: Kris Pan Signed-off-by: Shruthi Sanil Link: https://lore.kernel.org/r/20210517174953.19404-4-shruthi.sanil@intel.com Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- diff --git a/drivers/watchdog/keembay_wdt.c b/drivers/watchdog/keembay_wdt.c index b2afeb4a60e33..6053416b8d3d4 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);