clocksource: arch_timer: Set dynamic irq affinity on mmio clockevent

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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 95fb944e15ee..57e823c44d2a 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;