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>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c
index b991b288c803..b510863fd1e1 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);