[PATCH 06/92] clocksource/drivers/rockchip: Add the dynamic irq flag to the timer
From: Daniel Lezcano <hidden>
Date: 2016-06-28 10:32:54
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/rockchip soc support, clocksource, clockevent drivers, the rest · Maintainers:
Heiko Stuebner, Daniel Lezcano, Thomas Gleixner, Linus Torvalds
From: "Huang, Tao" <redacted> 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 <redacted> Cc: Daniel Lezcano <redacted> Cc: Thomas Gleixner <redacted> Cc: Heiko Stuebner <heiko@sntech.de> Tested-by: Jianqun Xu <redacted> Signed-off-by: Caesar Wang <redacted> Signed-off-by: Daniel Lezcano <redacted> --- drivers/clocksource/rockchip_timer.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c
index b991b28..b510863 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_possible_mask; ce->rating = 250; rk_timer_interrupt_clear(ce);
--
1.9.1