diff options
| author | Huang, Tao <huangtao@rock-chips.com> | 2016-05-18 18:22:31 +0800 |
|---|---|---|
| committer | Huang, Tao <huangtao@rock-chips.com> | 2016-05-19 18:29:58 +0800 |
| commit | fb50410985e6f6874dcfe6e3f12b4bccd5d0335b (patch) | |
| tree | 6bddc371d5b8a45db879ed947b7cd1a14c1b98c0 /drivers/clocksource | |
| parent | c380160aeae8b786868bd8483b9c1c9f22d15b61 (diff) | |
clocksource: rockchip: add dynamic irq flag to the timer
The rockchip timer is broadcast timer. Add CLOCK_EVT_FEAT_DYNIRQ
flag and set cpumask to all cpu to save power by avoid unnecessary
wakeups and IPIs.
Change-Id: Ie257972a4a42f6807aed22df695d8b3a4d715045
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/rockchip_timer.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c index b93fed6533c6..f3dfb1a1a610 100644 --- a/drivers/clocksource/rockchip_timer.c +++ b/drivers/clocksource/rockchip_timer.c @@ -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_all_mask; ce->rating = 250; ret = request_irq(irq, rk_timer_interrupt, IRQF_TIMER, TIMER_NAME, ce); |