Re: [PATCH 06/10] watchdog: keembay: Removed timeout update in the TO ISR

From: Guenter Roeck
Date: Wed May 12 2021 - 10:00:10 EST


On Wed, May 12, 2021 at 02:17:20PM +0530, shruthi.sanil@xxxxxxxxx wrote:
> From: Shruthi Sanil <shruthi.sanil@xxxxxxxxx>
>
> 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: fa0f8d51e90d ("watchdog: Add watchdog driver for Intel Keembay Soc")
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Tested-by: Kris Pan <kris.pan@xxxxxxxxx>
> Signed-off-by: Shruthi Sanil <shruthi.sanil@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

> ---
> drivers/watchdog/keembay_wdt.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/watchdog/keembay_wdt.c b/drivers/watchdog/keembay_wdt.c
> index 039753b9932b..dd192b8dff55 100644
> --- a/drivers/watchdog/keembay_wdt.c
> +++ b/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();
> --
> 2.17.1
>