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Commit 716897d9 authored by Huang, Tao's avatar Huang, Tao Committed by Daniel Lezcano
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clocksource/drivers/rockchip: Add the dynamic irq flag to the timer 



The rockchip timer is a broadcast timer. Add the CLOCK_EVT_FEAT_DYNIRQ flag
and set the cpumask to all possible cpus to save power by avoiding
unnecessary wakeups and IPIs.

Signed-off-by: default avatarHuang Tao <huangtao@rock-chips.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Heiko Stuebner <heiko@sntech.de>
Tested-by: default avatarJianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: default avatarCaesar Wang <wxt@rock-chips.com>
Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 85889876

drivers/clocksource/rockchip_timer.c

+3 −2
Original line number Diff line number Diff line
@@ -150,12 +150,13 @@ static void __init rk_timer_init(struct device_node *np) 
	}



	ce->name = TIMER_NAME;

	ce->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;

	ce->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT |

		       CLOCK_EVT_FEAT_DYNIRQ;

	ce->set_next_event = rk_timer_set_next_event;

	ce->set_state_shutdown = rk_timer_shutdown;

	ce->set_state_periodic = rk_timer_set_periodic;

	ce->irq = irq;

	ce->cpumask = cpumask_of(0);

	ce->cpumask = cpu_possible_mask;

	ce->rating = 250;



	rk_timer_interrupt_clear(ce);