clocksource/drivers/c-sky: fixup qemu fail to bootup sometimes.

Timer startup must after timer_irq_enable. For qemu, timer tick
irq hanppens but irq not enable, so it will cause qemu boot failed.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Tested-by: Liu Zhiwei <zhiwei_liu@c-sky.com>

diff --git a/drivers/clocksource/timer-mp-csky.c b/drivers/clocksource/timer-mp-csky.c
index a8acc431a774c61cd526abe4c945acd2b7f301cb..3cb6dbc88b6d8bea5d339503c4f38d53f7f86b4a 100644 (file)
--- a/drivers/clocksource/timer-mp-csky.c
+++ b/drivers/clocksource/timer-mp-csky.c
@@ -79,11 +79,11 @@ static int csky_mptimer_starting_cpu(unsigned int cpu)
 
        to->clkevt.cpumask = cpumask_of(cpu);
 
+       enable_percpu_irq(csky_mptimer_irq, 0);
+
        clockevents_config_and_register(&to->clkevt, timer_of_rate(to),
                                        2, ULONG_MAX);
 
-       enable_percpu_irq(csky_mptimer_irq, 0);
-
        return 0;
 }