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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: Huang 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: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
This commit is contained in:
Huang, Tao 2016-06-16 15:57:53 +02:00 committed by Daniel Lezcano
parent 85889876ca
commit 716897d90f
1 changed files with 3 additions and 2 deletions
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5
drivers/clocksource/rockchip_timer.c
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@ -150,12 +150,13 @@ static void __init rk_timer_init(struct device_node *np)
} }
ce->name = TIMER_NAME; 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_next_event = rk_timer_set_next_event;
ce->set_state_shutdown = rk_timer_shutdown; ce->set_state_shutdown = rk_timer_shutdown;
ce->set_state_periodic = rk_timer_set_periodic; ce->set_state_periodic = rk_timer_set_periodic;
ce->irq = irq; ce->irq = irq;
ce->cpumask = cpumask_of(0); ce->cpumask = cpu_possible_mask;
ce->rating = 250; ce->rating = 250;
rk_timer_interrupt_clear(ce); rk_timer_interrupt_clear(ce);