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[01/17] clocksource: arch_timer: Set dynamic irq affinity on mmio clockevent

Message ID 1394577653-8615-1-git-send-email-daniel.lezcano@linaro.org
State Accepted
Commit 7b52ad2efa4926ca7f399e5e63cf9a587396cd87
Headers show

Commit Message

Daniel Lezcano March 11, 2014, 10:40 p.m. UTC 
From: Stephen Boyd <sboyd@codeaurora.org>

Set the CLOCK_EVT_FEAT_DYNIRQ flag on the memory mapped
clockevent so that we save power by waking up the CPU with the
next event when this timer is used in broadcast mode.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 drivers/clocksource/arm_arch_timer.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 95fb944..57e823c 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -277,6 +277,7 @@  static void __arch_timer_setup(unsigned type,
 			clk->set_next_event = arch_timer_set_next_event_phys;
 		}
 	} else {
+		clk->features |= CLOCK_EVT_FEAT_DYNIRQ;
 		clk->name = "arch_mem_timer";
 		clk->rating = 400;
 		clk->cpumask = cpu_all_mask;