Re: [PATCH v3 2/7] clocksource: Add Tegra186 timers support

[Dmitry Osipenko]

03.04.2020 23:51, Dmitry Osipenko ÐÐÑÐÑ:
> 03.04.2020 23:22, Thierry Reding ÐÐÑÐÑ:
> ...
>> +static irqreturn_t tegra186_timer_irq(int irq, void *data)
>> +{
>> +	struct tegra186_timer *tegra = data;
>> +
>> +	if (watchdog_active(&tegra->wdt->base)) {
>> +		tegra186_wdt_disable(tegra->wdt);
>> +		tegra186_wdt_enable(tegra->wdt);
>> +	}
> 
> Shouldn't this return IRQ_NONE if watchdog is inactive?
> 
>> +	return IRQ_HANDLED;
>> +}
> 

Could you please explain why this interrupt handler is needed at all?
Shouldn't the watchdog's core take care of the pinging?