From fb50410985e6f6874dcfe6e3f12b4bccd5d0335b Mon Sep 17 00:00:00 2001
From: "Huang, Tao" <huangtao@rock-chips.com>
Date: Wed, 18 May 2016 18:22:31 +0800
Subject: [PATCH] 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>
---
 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 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);
-- 
2.34.1