diff options
| author | Shruthi Sanil <shruthi.sanil@intel.com> | 2021-05-17 23:19:47 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-20 16:02:19 +0200 |
| commit | 5db9998e32f3fa9dace496459726f6e33024c52e (patch) | |
| tree | 372f8d641912e33dea66d39f595cf92bbd652338 /drivers | |
| parent | 49a305266e27efd6eb12aa9952600ade20473c20 (diff) | |
watchdog: keembay: Update pretimeout to zero in the TH ISR
[ Upstream commit 75f6c56dfeec92c53e09a72896547888ac9a27d7 ]
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@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/20210517174953.19404-4-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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/watchdog/keembay_wdt.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |