[PATCH v3 1/3] clocksource: timer-keystone: introduce clocksource driver for Keystone

[sboyd@codeaurora.org (Stephen Boyd)]

On 12/25, Ivan Khoronzhuk wrote:
> +
> +	/* enable timer interrupts */
> +	keystone_timer_writel(INTCTLSTAT_ENINT_MASK, INTCTLSTAT);
> +
> +	error = request_irq(irq, keystone_timer_interrupt, IRQF_TIMER,
> +			    TIMER_NAME, event_dev);
> +	if (error) {
> +		pr_err("%s: failed to setup irq\n", __func__);
> +		goto err;
> +	}
> +
> +	/* setup clockevent */
> +	event_dev->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
> +	event_dev->set_next_event = keystone_set_next_event;
> +	event_dev->set_mode = keystone_set_mode;
> +	event_dev->cpumask = cpu_all_mask;
> +	event_dev->owner = THIS_MODULE;
> +	event_dev->name = TIMER_NAME;
> +	event_dev->irq = irq;
> +
> +	clockevents_config_and_register(event_dev, rate, 1, ULONG_MAX);
> +

I hope you don't get an interrupt before you register the
clockevent. You might want to reorder the interrupt request and
the clockevent registration so that it isn't a problem. Other
than that you can have my

Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

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