[PATCH v8 2/7] clocksource: Add support for the Mediatek SoCs

Thomas Gleixner tglx at linutronix.de
Wed Jun 11 11:14:02 PDT 2014


On Wed, 11 Jun 2014, Matthias Brugger wrote:
> +static void mtk_clkevt_mode(enum clock_event_mode mode,
> +				struct clock_event_device *clk)
> +{
> +	struct mtk_clock_event_device *evt = to_mtk_clk(clk);
> +
> +	mtk_clkevt_time_stop(evt, GPT_CLK_EVT);
> +
> +	switch (mode) {
> +	case CLOCK_EVT_MODE_PERIODIC:
> +		mtk_clkevt_time_setup(evt, evt->ticks_per_jiffy, GPT_CLK_EVT);
> +		mtk_clkevt_time_start(evt, true, GPT_CLK_EVT);
> +		break;
> +	case CLOCK_EVT_MODE_ONESHOT:
> +		mtk_clkevt_time_start(evt, false, GPT_CLK_EVT);

Why start the timer here? The code will call set next event right away.

> +		break;
> +	case CLOCK_EVT_MODE_UNUSED:
> +	case CLOCK_EVT_MODE_SHUTDOWN:
> +	default:
> +		/* No more interrupts will occur as source is disabled */
> +		break;
> +	}
> +}

Looks good otherwise.

Thanks,

	tglx



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